| Message ID | 20210524151828.4113777-2-jingzhangos@google.com |
|---|---|
| State | New |
| Headers | show |
| Series | KVM statistics data fd-based binary interface | expand |
On 5/24/21 8:18 AM, Jing Zhang wrote: > Put all common statistics in a separate structure to ease > statistics handling for the incoming new statistics API. > > No functional change intended. > > Reviewed-by: David Matlack <dmatlack@google.com> > Reviewed-by: Ricardo Koller <ricarkol@google.com> > Signed-off-by: Jing Zhang <jingzhangos@google.com> > --- > arch/arm64/include/asm/kvm_host.h | 9 ++------- > arch/arm64/kvm/guest.c | 12 ++++++------ > arch/mips/include/asm/kvm_host.h | 9 ++------- > arch/mips/kvm/mips.c | 12 ++++++------ > arch/powerpc/include/asm/kvm_host.h | 9 ++------- > arch/powerpc/kvm/book3s.c | 12 ++++++------ > arch/powerpc/kvm/book3s_hv.c | 12 ++++++------ > arch/powerpc/kvm/book3s_pr.c | 2 +- > arch/powerpc/kvm/book3s_pr_papr.c | 2 +- > arch/powerpc/kvm/booke.c | 14 +++++++------- > arch/s390/include/asm/kvm_host.h | 9 ++------- > arch/s390/kvm/kvm-s390.c | 12 ++++++------ > arch/x86/include/asm/kvm_host.h | 9 ++------- > arch/x86/kvm/x86.c | 14 +++++++------- > include/linux/kvm_host.h | 9 +++++++-- > include/linux/kvm_types.h | 12 ++++++++++++ > virt/kvm/kvm_main.c | 14 +++++++------- > 17 files changed, 82 insertions(+), 90 deletions(-) > > diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h > index 7cd7d5c8c4bc..f3ad7a20b0af 100644 > --- a/arch/arm64/include/asm/kvm_host.h > +++ b/arch/arm64/include/asm/kvm_host.h > @@ -556,16 +556,11 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg) > } > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > }; > > struct kvm_vcpu_stat { > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > + struct kvm_vcpu_stat_common common; > u64 hvc_exit_stat; > u64 wfe_exit_stat; > u64 wfi_exit_stat; > diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c > index 5cb4a1cd5603..0e41331b0911 100644 > --- a/arch/arm64/kvm/guest.c > +++ b/arch/arm64/kvm/guest.c > @@ -29,18 +29,18 @@ > #include "trace.h" > > struct kvm_stats_debugfs_item debugfs_entries[] = { > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("hvc_exit_stat", hvc_exit_stat), > VCPU_STAT("wfe_exit_stat", wfe_exit_stat), > VCPU_STAT("wfi_exit_stat", wfi_exit_stat), > VCPU_STAT("mmio_exit_user", mmio_exit_user), > VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel), > VCPU_STAT("exits", exits), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > { NULL } > }; > > diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h > index fca4547d580f..6f610fbcd8d1 100644 > --- a/arch/mips/include/asm/kvm_host.h > +++ b/arch/mips/include/asm/kvm_host.h > @@ -109,10 +109,11 @@ static inline bool kvm_is_error_hva(unsigned long addr) > } > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 wait_exits; > u64 cache_exits; > u64 signal_exits; > @@ -142,12 +143,6 @@ struct kvm_vcpu_stat { > #ifdef CONFIG_CPU_LOONGSON64 > u64 vz_cpucfg_exits; > #endif > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > }; > > struct kvm_arch_memory_slot { > diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c > index 4d4af97dcc88..f4fc60c05e9c 100644 > --- a/arch/mips/kvm/mips.c > +++ b/arch/mips/kvm/mips.c > @@ -68,12 +68,12 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > #ifdef CONFIG_CPU_LOONGSON64 > VCPU_STAT("vz_cpucfg", vz_cpucfg_exits), > #endif > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > {NULL} > }; > > diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h > index 1e83359f286b..473d9d0804ff 100644 > --- a/arch/powerpc/include/asm/kvm_host.h > +++ b/arch/powerpc/include/asm/kvm_host.h > @@ -80,12 +80,13 @@ struct kvmppc_book3s_shadow_vcpu; > struct kvm_nested_guest; > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > ulong num_2M_pages; > ulong num_1G_pages; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 sum_exits; > u64 mmio_exits; > u64 signal_exits; > @@ -101,14 +102,8 @@ struct kvm_vcpu_stat { > u64 emulated_inst_exits; > u64 dec_exits; > u64 ext_intr_exits; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 halt_wait_ns; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > u64 halt_successful_wait; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > u64 dbell_exits; > u64 gdbell_exits; > u64 ld; > diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c > index 2b691f4d1f26..bd3a10e1fdaf 100644 > --- a/arch/powerpc/kvm/book3s.c > +++ b/arch/powerpc/kvm/book3s.c > @@ -47,14 +47,14 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("dec", dec_exits), > VCPU_STAT("ext_intr", ext_intr_exits), > VCPU_STAT("queue_intr", queue_intr), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("halt_wait_ns", halt_wait_ns), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > VCPU_STAT("halt_successful_wait", halt_successful_wait), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("pf_storage", pf_storage), > VCPU_STAT("sp_storage", sp_storage), > VCPU_STAT("pf_instruc", pf_instruc), > diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c > index 28a80d240b76..58e187e03c52 100644 > --- a/arch/powerpc/kvm/book3s_hv.c > +++ b/arch/powerpc/kvm/book3s_hv.c > @@ -236,7 +236,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) > > waitp = kvm_arch_vcpu_get_wait(vcpu); > if (rcuwait_wake_up(waitp)) > - ++vcpu->stat.halt_wakeup; > + ++vcpu->stat.common.halt_wakeup; > > cpu = READ_ONCE(vcpu->arch.thread_cpu); > if (cpu >= 0 && kvmppc_ipi_thread(cpu)) > @@ -3925,7 +3925,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > cur = start_poll = ktime_get(); > if (vc->halt_poll_ns) { > ktime_t stop = ktime_add_ns(start_poll, vc->halt_poll_ns); > - ++vc->runner->stat.halt_attempted_poll; > + ++vc->runner->stat.common.halt_attempted_poll; > > vc->vcore_state = VCORE_POLLING; > spin_unlock(&vc->lock); > @@ -3942,7 +3942,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > vc->vcore_state = VCORE_INACTIVE; > > if (!do_sleep) { > - ++vc->runner->stat.halt_successful_poll; > + ++vc->runner->stat.common.halt_successful_poll; > goto out; > } > } > @@ -3954,7 +3954,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > do_sleep = 0; > /* If we polled, count this as a successful poll */ > if (vc->halt_poll_ns) > - ++vc->runner->stat.halt_successful_poll; > + ++vc->runner->stat.common.halt_successful_poll; > goto out; > } > > @@ -3981,13 +3981,13 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > ktime_to_ns(cur) - ktime_to_ns(start_wait); > /* Attribute failed poll time */ > if (vc->halt_poll_ns) > - vc->runner->stat.halt_poll_fail_ns += > + vc->runner->stat.common.halt_poll_fail_ns += > ktime_to_ns(start_wait) - > ktime_to_ns(start_poll); > } else { > /* Attribute successful poll time */ > if (vc->halt_poll_ns) > - vc->runner->stat.halt_poll_success_ns += > + vc->runner->stat.common.halt_poll_success_ns += > ktime_to_ns(cur) - > ktime_to_ns(start_poll); > } > diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c > index d7733b07f489..214caa9d9675 100644 > --- a/arch/powerpc/kvm/book3s_pr.c > +++ b/arch/powerpc/kvm/book3s_pr.c > @@ -493,7 +493,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr) > if (!vcpu->arch.pending_exceptions) { > kvm_vcpu_block(vcpu); > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > - vcpu->stat.halt_wakeup++; > + vcpu->stat.common.halt_wakeup++; > > /* Unset POW bit after we woke up */ > msr &= ~MSR_POW; > diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c > index 031c8015864a..9384625c8051 100644 > --- a/arch/powerpc/kvm/book3s_pr_papr.c > +++ b/arch/powerpc/kvm/book3s_pr_papr.c > @@ -378,7 +378,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) > kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); > kvm_vcpu_block(vcpu); > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > - vcpu->stat.halt_wakeup++; > + vcpu->stat.common.halt_wakeup++; > return EMULATE_DONE; > case H_LOGICAL_CI_LOAD: > return kvmppc_h_pr_logical_ci_load(vcpu); > diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c > index 7d5fe43f85c4..07fdd7a1254a 100644 > --- a/arch/powerpc/kvm/booke.c > +++ b/arch/powerpc/kvm/booke.c > @@ -49,15 +49,15 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("inst_emu", emulated_inst_exits), > VCPU_STAT("dec", dec_exits), > VCPU_STAT("ext_intr", ext_intr_exits), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("doorbell", dbell_exits), > VCPU_STAT("guest doorbell", gdbell_exits), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > { NULL } > }; > > diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h > index 8925f3969478..57a20897f3db 100644 > --- a/arch/s390/include/asm/kvm_host.h > +++ b/arch/s390/include/asm/kvm_host.h > @@ -361,6 +361,7 @@ struct sie_page { > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 exit_userspace; > u64 exit_null; > u64 exit_external_request; > @@ -370,13 +371,7 @@ struct kvm_vcpu_stat { > u64 exit_validity; > u64 exit_instruction; > u64 exit_pei; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_invalid; > u64 halt_no_poll_steal; > - u64 halt_wakeup; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 instruction_lctl; > u64 instruction_lctlg; > u64 instruction_stctl; > @@ -755,12 +750,12 @@ struct kvm_vcpu_arch { > }; > > struct kvm_vm_stat { > + struct kvm_vm_stat_common common; > u64 inject_io; > u64 inject_float_mchk; > u64 inject_pfault_done; > u64 inject_service_signal; > u64 inject_virtio; > - u64 remote_tlb_flush; > }; > > struct kvm_arch_memory_slot { > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > index 1296fc10f80c..d6bf3372bb10 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -72,13 +72,13 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("exit_program_interruption", exit_program_interruption), > VCPU_STAT("exit_instr_and_program_int", exit_instr_and_program), > VCPU_STAT("exit_operation_exception", exit_operation_exception), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > VCPU_STAT("halt_no_poll_steal", halt_no_poll_steal), > - VCPU_STAT("halt_wakeup", halt_wakeup), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("instruction_lctlg", instruction_lctlg), > VCPU_STAT("instruction_lctl", instruction_lctl), > VCPU_STAT("instruction_stctl", instruction_stctl), > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index 55efbacfc244..5bfd6893fbf6 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -1127,6 +1127,7 @@ struct kvm_arch { > }; > > struct kvm_vm_stat { > + struct kvm_vm_stat_common common; > ulong mmu_shadow_zapped; > ulong mmu_pte_write; > ulong mmu_pde_zapped; > @@ -1134,13 +1135,13 @@ struct kvm_vm_stat { > ulong mmu_recycled; > ulong mmu_cache_miss; > ulong mmu_unsync; > - ulong remote_tlb_flush; > ulong lpages; > ulong nx_lpage_splits; > ulong max_mmu_page_hash_collisions; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 pf_fixed; > u64 pf_guest; > u64 tlb_flush; > @@ -1154,10 +1155,6 @@ struct kvm_vcpu_stat { > u64 nmi_window_exits; > u64 l1d_flush; > u64 halt_exits; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > u64 request_irq_exits; > u64 irq_exits; > u64 host_state_reload; > @@ -1168,8 +1165,6 @@ struct kvm_vcpu_stat { > u64 irq_injections; > u64 nmi_injections; > u64 req_event; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 nested_run; > u64 directed_yield_attempted; > u64 directed_yield_successful; > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 9b6bca616929..9a93d80caff6 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -226,10 +226,10 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("irq_window", irq_window_exits), > VCPU_STAT("nmi_window", nmi_window_exits), > VCPU_STAT("halt_exits", halt_exits), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("hypercalls", hypercalls), > VCPU_STAT("request_irq", request_irq_exits), > VCPU_STAT("irq_exits", irq_exits), > @@ -241,8 +241,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("nmi_injections", nmi_injections), > VCPU_STAT("req_event", req_event), > VCPU_STAT("l1d_flush", l1d_flush), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("nested_run", nested_run), > VCPU_STAT("directed_yield_attempted", directed_yield_attempted), > VCPU_STAT("directed_yield_successful", directed_yield_successful), > @@ -253,7 +253,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VM_STAT("mmu_recycled", mmu_recycled), > VM_STAT("mmu_cache_miss", mmu_cache_miss), > VM_STAT("mmu_unsync", mmu_unsync), > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > VM_STAT("largepages", lpages, .mode = 0444), > VM_STAT("nx_largepages_splitted", nx_lpage_splits, .mode = 0444), > VM_STAT("max_mmu_page_hash_collisions", max_mmu_page_hash_collisions), > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 2f34487e21f2..97700e41db3b 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -1243,10 +1243,15 @@ struct kvm_stats_debugfs_item { > #define KVM_DBGFS_GET_MODE(dbgfs_item) \ > ((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644) > > -#define VM_STAT(n, x, ...) \ > +#define VM_STAT(n, x, ...) \ > { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ } > -#define VCPU_STAT(n, x, ...) \ > +#define VCPU_STAT(n, x, ...) \ > { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ } > +#define VM_STAT_COM(n, x, ...) \ > + { n, offsetof(struct kvm, stat.common.x), KVM_STAT_VM, ## __VA_ARGS__ } > +#define VCPU_STAT_COM(n, x, ...) \ > + { n, offsetof(struct kvm_vcpu, stat.common.x), \ > + KVM_STAT_VCPU, ## __VA_ARGS__ } > > extern struct kvm_stats_debugfs_item debugfs_entries[]; > extern struct dentry *kvm_debugfs_dir; > diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h > index a7580f69dda0..87eb05ad678b 100644 > --- a/include/linux/kvm_types.h > +++ b/include/linux/kvm_types.h > @@ -76,5 +76,17 @@ struct kvm_mmu_memory_cache { > }; > #endif > > +struct kvm_vm_stat_common { Should this be named as 'kvm_vm_stat_generic' by following the convention in kvm_main.c ? For example, kvm_vm_ioctl_enable_cap() vs. kvm_vm_ioctl_enable_cap_generic(). > + ulong remote_tlb_flush; > +}; > + > +struct kvm_vcpu_stat_common { Same comment as above. > + u64 halt_successful_poll; > + u64 halt_attempted_poll; > + u64 halt_poll_invalid; > + u64 halt_wakeup; > + u64 halt_poll_success_ns; > + u64 halt_poll_fail_ns; > +}; > > #endif /* __KVM_TYPES_H__ */ > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index 6b4feb92dc79..34a4cf265297 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -330,7 +330,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) > */ > if (!kvm_arch_flush_remote_tlb(kvm) > || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) > - ++kvm->stat.remote_tlb_flush; > + ++kvm->stat.common.remote_tlb_flush; > cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); > } > EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); > @@ -2940,9 +2940,9 @@ static inline void > update_halt_poll_stats(struct kvm_vcpu *vcpu, u64 poll_ns, bool waited) > { > if (waited) > - vcpu->stat.halt_poll_fail_ns += poll_ns; > + vcpu->stat.common.halt_poll_fail_ns += poll_ns; > else > - vcpu->stat.halt_poll_success_ns += poll_ns; > + vcpu->stat.common.halt_poll_success_ns += poll_ns; > } > > /* > @@ -2960,16 +2960,16 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) > if (vcpu->halt_poll_ns && !kvm_arch_no_poll(vcpu)) { > ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns); > > - ++vcpu->stat.halt_attempted_poll; > + ++vcpu->stat.common.halt_attempted_poll; > do { > /* > * This sets KVM_REQ_UNHALT if an interrupt > * arrives. > */ > if (kvm_vcpu_check_block(vcpu) < 0) { > - ++vcpu->stat.halt_successful_poll; > + ++vcpu->stat.common.halt_successful_poll; > if (!vcpu_valid_wakeup(vcpu)) > - ++vcpu->stat.halt_poll_invalid; > + ++vcpu->stat.common.halt_poll_invalid; > goto out; > } > poll_end = cur = ktime_get(); > @@ -3027,7 +3027,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu) > waitp = kvm_arch_vcpu_get_wait(vcpu); > if (rcuwait_wake_up(waitp)) { > WRITE_ONCE(vcpu->ready, true); > - ++vcpu->stat.halt_wakeup; > + ++vcpu->stat.common.halt_wakeup; > return true; > } >
Hi Krish, On Tue, May 25, 2021 at 2:49 PM Krish Sadhukhan <krish.sadhukhan@oracle.com> wrote: > > > On 5/24/21 8:18 AM, Jing Zhang wrote: > > Put all common statistics in a separate structure to ease > > statistics handling for the incoming new statistics API. > > > > No functional change intended. > > > > Reviewed-by: David Matlack <dmatlack@google.com> > > Reviewed-by: Ricardo Koller <ricarkol@google.com> > > Signed-off-by: Jing Zhang <jingzhangos@google.com> > > --- > > arch/arm64/include/asm/kvm_host.h | 9 ++------- > > arch/arm64/kvm/guest.c | 12 ++++++------ > > arch/mips/include/asm/kvm_host.h | 9 ++------- > > arch/mips/kvm/mips.c | 12 ++++++------ > > arch/powerpc/include/asm/kvm_host.h | 9 ++------- > > arch/powerpc/kvm/book3s.c | 12 ++++++------ > > arch/powerpc/kvm/book3s_hv.c | 12 ++++++------ > > arch/powerpc/kvm/book3s_pr.c | 2 +- > > arch/powerpc/kvm/book3s_pr_papr.c | 2 +- > > arch/powerpc/kvm/booke.c | 14 +++++++------- > > arch/s390/include/asm/kvm_host.h | 9 ++------- > > arch/s390/kvm/kvm-s390.c | 12 ++++++------ > > arch/x86/include/asm/kvm_host.h | 9 ++------- > > arch/x86/kvm/x86.c | 14 +++++++------- > > include/linux/kvm_host.h | 9 +++++++-- > > include/linux/kvm_types.h | 12 ++++++++++++ > > virt/kvm/kvm_main.c | 14 +++++++------- > > 17 files changed, 82 insertions(+), 90 deletions(-) > > > > diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h > > index 7cd7d5c8c4bc..f3ad7a20b0af 100644 > > --- a/arch/arm64/include/asm/kvm_host.h > > +++ b/arch/arm64/include/asm/kvm_host.h > > @@ -556,16 +556,11 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg) > > } > > > > struct kvm_vm_stat { > > - ulong remote_tlb_flush; > > + struct kvm_vm_stat_common common; > > }; > > > > struct kvm_vcpu_stat { > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > + struct kvm_vcpu_stat_common common; > > u64 hvc_exit_stat; > > u64 wfe_exit_stat; > > u64 wfi_exit_stat; > > diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c > > index 5cb4a1cd5603..0e41331b0911 100644 > > --- a/arch/arm64/kvm/guest.c > > +++ b/arch/arm64/kvm/guest.c > > @@ -29,18 +29,18 @@ > > #include "trace.h" > > > > struct kvm_stats_debugfs_item debugfs_entries[] = { > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("hvc_exit_stat", hvc_exit_stat), > > VCPU_STAT("wfe_exit_stat", wfe_exit_stat), > > VCPU_STAT("wfi_exit_stat", wfi_exit_stat), > > VCPU_STAT("mmio_exit_user", mmio_exit_user), > > VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel), > > VCPU_STAT("exits", exits), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > { NULL } > > }; > > > > diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h > > index fca4547d580f..6f610fbcd8d1 100644 > > --- a/arch/mips/include/asm/kvm_host.h > > +++ b/arch/mips/include/asm/kvm_host.h > > @@ -109,10 +109,11 @@ static inline bool kvm_is_error_hva(unsigned long addr) > > } > > > > struct kvm_vm_stat { > > - ulong remote_tlb_flush; > > + struct kvm_vm_stat_common common; > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 wait_exits; > > u64 cache_exits; > > u64 signal_exits; > > @@ -142,12 +143,6 @@ struct kvm_vcpu_stat { > > #ifdef CONFIG_CPU_LOONGSON64 > > u64 vz_cpucfg_exits; > > #endif > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > }; > > > > struct kvm_arch_memory_slot { > > diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c > > index 4d4af97dcc88..f4fc60c05e9c 100644 > > --- a/arch/mips/kvm/mips.c > > +++ b/arch/mips/kvm/mips.c > > @@ -68,12 +68,12 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > #ifdef CONFIG_CPU_LOONGSON64 > > VCPU_STAT("vz_cpucfg", vz_cpucfg_exits), > > #endif > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > {NULL} > > }; > > > > diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h > > index 1e83359f286b..473d9d0804ff 100644 > > --- a/arch/powerpc/include/asm/kvm_host.h > > +++ b/arch/powerpc/include/asm/kvm_host.h > > @@ -80,12 +80,13 @@ struct kvmppc_book3s_shadow_vcpu; > > struct kvm_nested_guest; > > > > struct kvm_vm_stat { > > - ulong remote_tlb_flush; > > + struct kvm_vm_stat_common common; > > ulong num_2M_pages; > > ulong num_1G_pages; > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 sum_exits; > > u64 mmio_exits; > > u64 signal_exits; > > @@ -101,14 +102,8 @@ struct kvm_vcpu_stat { > > u64 emulated_inst_exits; > > u64 dec_exits; > > u64 ext_intr_exits; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > u64 halt_wait_ns; > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > u64 halt_successful_wait; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > u64 dbell_exits; > > u64 gdbell_exits; > > u64 ld; > > diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c > > index 2b691f4d1f26..bd3a10e1fdaf 100644 > > --- a/arch/powerpc/kvm/book3s.c > > +++ b/arch/powerpc/kvm/book3s.c > > @@ -47,14 +47,14 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("dec", dec_exits), > > VCPU_STAT("ext_intr", ext_intr_exits), > > VCPU_STAT("queue_intr", queue_intr), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > VCPU_STAT("halt_wait_ns", halt_wait_ns), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > VCPU_STAT("halt_successful_wait", halt_successful_wait), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("pf_storage", pf_storage), > > VCPU_STAT("sp_storage", sp_storage), > > VCPU_STAT("pf_instruc", pf_instruc), > > diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c > > index 28a80d240b76..58e187e03c52 100644 > > --- a/arch/powerpc/kvm/book3s_hv.c > > +++ b/arch/powerpc/kvm/book3s_hv.c > > @@ -236,7 +236,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) > > > > waitp = kvm_arch_vcpu_get_wait(vcpu); > > if (rcuwait_wake_up(waitp)) > > - ++vcpu->stat.halt_wakeup; > > + ++vcpu->stat.common.halt_wakeup; > > > > cpu = READ_ONCE(vcpu->arch.thread_cpu); > > if (cpu >= 0 && kvmppc_ipi_thread(cpu)) > > @@ -3925,7 +3925,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > cur = start_poll = ktime_get(); > > if (vc->halt_poll_ns) { > > ktime_t stop = ktime_add_ns(start_poll, vc->halt_poll_ns); > > - ++vc->runner->stat.halt_attempted_poll; > > + ++vc->runner->stat.common.halt_attempted_poll; > > > > vc->vcore_state = VCORE_POLLING; > > spin_unlock(&vc->lock); > > @@ -3942,7 +3942,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > vc->vcore_state = VCORE_INACTIVE; > > > > if (!do_sleep) { > > - ++vc->runner->stat.halt_successful_poll; > > + ++vc->runner->stat.common.halt_successful_poll; > > goto out; > > } > > } > > @@ -3954,7 +3954,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > do_sleep = 0; > > /* If we polled, count this as a successful poll */ > > if (vc->halt_poll_ns) > > - ++vc->runner->stat.halt_successful_poll; > > + ++vc->runner->stat.common.halt_successful_poll; > > goto out; > > } > > > > @@ -3981,13 +3981,13 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > ktime_to_ns(cur) - ktime_to_ns(start_wait); > > /* Attribute failed poll time */ > > if (vc->halt_poll_ns) > > - vc->runner->stat.halt_poll_fail_ns += > > + vc->runner->stat.common.halt_poll_fail_ns += > > ktime_to_ns(start_wait) - > > ktime_to_ns(start_poll); > > } else { > > /* Attribute successful poll time */ > > if (vc->halt_poll_ns) > > - vc->runner->stat.halt_poll_success_ns += > > + vc->runner->stat.common.halt_poll_success_ns += > > ktime_to_ns(cur) - > > ktime_to_ns(start_poll); > > } > > diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c > > index d7733b07f489..214caa9d9675 100644 > > --- a/arch/powerpc/kvm/book3s_pr.c > > +++ b/arch/powerpc/kvm/book3s_pr.c > > @@ -493,7 +493,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr) > > if (!vcpu->arch.pending_exceptions) { > > kvm_vcpu_block(vcpu); > > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > > - vcpu->stat.halt_wakeup++; > > + vcpu->stat.common.halt_wakeup++; > > > > /* Unset POW bit after we woke up */ > > msr &= ~MSR_POW; > > diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c > > index 031c8015864a..9384625c8051 100644 > > --- a/arch/powerpc/kvm/book3s_pr_papr.c > > +++ b/arch/powerpc/kvm/book3s_pr_papr.c > > @@ -378,7 +378,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) > > kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); > > kvm_vcpu_block(vcpu); > > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > > - vcpu->stat.halt_wakeup++; > > + vcpu->stat.common.halt_wakeup++; > > return EMULATE_DONE; > > case H_LOGICAL_CI_LOAD: > > return kvmppc_h_pr_logical_ci_load(vcpu); > > diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c > > index 7d5fe43f85c4..07fdd7a1254a 100644 > > --- a/arch/powerpc/kvm/booke.c > > +++ b/arch/powerpc/kvm/booke.c > > @@ -49,15 +49,15 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("inst_emu", emulated_inst_exits), > > VCPU_STAT("dec", dec_exits), > > VCPU_STAT("ext_intr", ext_intr_exits), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("doorbell", dbell_exits), > > VCPU_STAT("guest doorbell", gdbell_exits), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > > { NULL } > > }; > > > > diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h > > index 8925f3969478..57a20897f3db 100644 > > --- a/arch/s390/include/asm/kvm_host.h > > +++ b/arch/s390/include/asm/kvm_host.h > > @@ -361,6 +361,7 @@ struct sie_page { > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 exit_userspace; > > u64 exit_null; > > u64 exit_external_request; > > @@ -370,13 +371,7 @@ struct kvm_vcpu_stat { > > u64 exit_validity; > > u64 exit_instruction; > > u64 exit_pei; > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_invalid; > > u64 halt_no_poll_steal; > > - u64 halt_wakeup; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > u64 instruction_lctl; > > u64 instruction_lctlg; > > u64 instruction_stctl; > > @@ -755,12 +750,12 @@ struct kvm_vcpu_arch { > > }; > > > > struct kvm_vm_stat { > > + struct kvm_vm_stat_common common; > > u64 inject_io; > > u64 inject_float_mchk; > > u64 inject_pfault_done; > > u64 inject_service_signal; > > u64 inject_virtio; > > - u64 remote_tlb_flush; > > }; > > > > struct kvm_arch_memory_slot { > > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > > index 1296fc10f80c..d6bf3372bb10 100644 > > --- a/arch/s390/kvm/kvm-s390.c > > +++ b/arch/s390/kvm/kvm-s390.c > > @@ -72,13 +72,13 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("exit_program_interruption", exit_program_interruption), > > VCPU_STAT("exit_instr_and_program_int", exit_instr_and_program), > > VCPU_STAT("exit_operation_exception", exit_operation_exception), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > VCPU_STAT("halt_no_poll_steal", halt_no_poll_steal), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > VCPU_STAT("instruction_lctlg", instruction_lctlg), > > VCPU_STAT("instruction_lctl", instruction_lctl), > > VCPU_STAT("instruction_stctl", instruction_stctl), > > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > > index 55efbacfc244..5bfd6893fbf6 100644 > > --- a/arch/x86/include/asm/kvm_host.h > > +++ b/arch/x86/include/asm/kvm_host.h > > @@ -1127,6 +1127,7 @@ struct kvm_arch { > > }; > > > > struct kvm_vm_stat { > > + struct kvm_vm_stat_common common; > > ulong mmu_shadow_zapped; > > ulong mmu_pte_write; > > ulong mmu_pde_zapped; > > @@ -1134,13 +1135,13 @@ struct kvm_vm_stat { > > ulong mmu_recycled; > > ulong mmu_cache_miss; > > ulong mmu_unsync; > > - ulong remote_tlb_flush; > > ulong lpages; > > ulong nx_lpage_splits; > > ulong max_mmu_page_hash_collisions; > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 pf_fixed; > > u64 pf_guest; > > u64 tlb_flush; > > @@ -1154,10 +1155,6 @@ struct kvm_vcpu_stat { > > u64 nmi_window_exits; > > u64 l1d_flush; > > u64 halt_exits; > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > u64 request_irq_exits; > > u64 irq_exits; > > u64 host_state_reload; > > @@ -1168,8 +1165,6 @@ struct kvm_vcpu_stat { > > u64 irq_injections; > > u64 nmi_injections; > > u64 req_event; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > u64 nested_run; > > u64 directed_yield_attempted; > > u64 directed_yield_successful; > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > > index 9b6bca616929..9a93d80caff6 100644 > > --- a/arch/x86/kvm/x86.c > > +++ b/arch/x86/kvm/x86.c > > @@ -226,10 +226,10 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("irq_window", irq_window_exits), > > VCPU_STAT("nmi_window", nmi_window_exits), > > VCPU_STAT("halt_exits", halt_exits), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("hypercalls", hypercalls), > > VCPU_STAT("request_irq", request_irq_exits), > > VCPU_STAT("irq_exits", irq_exits), > > @@ -241,8 +241,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("nmi_injections", nmi_injections), > > VCPU_STAT("req_event", req_event), > > VCPU_STAT("l1d_flush", l1d_flush), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > VCPU_STAT("nested_run", nested_run), > > VCPU_STAT("directed_yield_attempted", directed_yield_attempted), > > VCPU_STAT("directed_yield_successful", directed_yield_successful), > > @@ -253,7 +253,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VM_STAT("mmu_recycled", mmu_recycled), > > VM_STAT("mmu_cache_miss", mmu_cache_miss), > > VM_STAT("mmu_unsync", mmu_unsync), > > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > > VM_STAT("largepages", lpages, .mode = 0444), > > VM_STAT("nx_largepages_splitted", nx_lpage_splits, .mode = 0444), > > VM_STAT("max_mmu_page_hash_collisions", max_mmu_page_hash_collisions), > > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > > index 2f34487e21f2..97700e41db3b 100644 > > --- a/include/linux/kvm_host.h > > +++ b/include/linux/kvm_host.h > > @@ -1243,10 +1243,15 @@ struct kvm_stats_debugfs_item { > > #define KVM_DBGFS_GET_MODE(dbgfs_item) \ > > ((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644) > > > > -#define VM_STAT(n, x, ...) \ > > +#define VM_STAT(n, x, ...) \ > > { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ } > > -#define VCPU_STAT(n, x, ...) \ > > +#define VCPU_STAT(n, x, ...) \ > > { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ } > > +#define VM_STAT_COM(n, x, ...) \ > > + { n, offsetof(struct kvm, stat.common.x), KVM_STAT_VM, ## __VA_ARGS__ } > > +#define VCPU_STAT_COM(n, x, ...) \ > > + { n, offsetof(struct kvm_vcpu, stat.common.x), \ > > + KVM_STAT_VCPU, ## __VA_ARGS__ } > > > > extern struct kvm_stats_debugfs_item debugfs_entries[]; > > extern struct dentry *kvm_debugfs_dir; > > diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h > > index a7580f69dda0..87eb05ad678b 100644 > > --- a/include/linux/kvm_types.h > > +++ b/include/linux/kvm_types.h > > @@ -76,5 +76,17 @@ struct kvm_mmu_memory_cache { > > }; > > #endif > > > > +struct kvm_vm_stat_common { > > > Should this be named as 'kvm_vm_stat_generic' by following the > convention in kvm_main.c ? For example, kvm_vm_ioctl_enable_cap() vs. > kvm_vm_ioctl_enable_cap_generic(). > Sure. Thanks. > > + ulong remote_tlb_flush; > > +}; > > + > > +struct kvm_vcpu_stat_common { > > > Same comment as above. > > > + u64 halt_successful_poll; > > + u64 halt_attempted_poll; > > + u64 halt_poll_invalid; > > + u64 halt_wakeup; > > + u64 halt_poll_success_ns; > > + u64 halt_poll_fail_ns; > > +}; > > > > #endif /* __KVM_TYPES_H__ */ > > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > > index 6b4feb92dc79..34a4cf265297 100644 > > --- a/virt/kvm/kvm_main.c > > +++ b/virt/kvm/kvm_main.c > > @@ -330,7 +330,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) > > */ > > if (!kvm_arch_flush_remote_tlb(kvm) > > || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) > > - ++kvm->stat.remote_tlb_flush; > > + ++kvm->stat.common.remote_tlb_flush; > > cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); > > } > > EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); > > @@ -2940,9 +2940,9 @@ static inline void > > update_halt_poll_stats(struct kvm_vcpu *vcpu, u64 poll_ns, bool waited) > > { > > if (waited) > > - vcpu->stat.halt_poll_fail_ns += poll_ns; > > + vcpu->stat.common.halt_poll_fail_ns += poll_ns; > > else > > - vcpu->stat.halt_poll_success_ns += poll_ns; > > + vcpu->stat.common.halt_poll_success_ns += poll_ns; > > } > > > > /* > > @@ -2960,16 +2960,16 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) > > if (vcpu->halt_poll_ns && !kvm_arch_no_poll(vcpu)) { > > ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns); > > > > - ++vcpu->stat.halt_attempted_poll; > > + ++vcpu->stat.common.halt_attempted_poll; > > do { > > /* > > * This sets KVM_REQ_UNHALT if an interrupt > > * arrives. > > */ > > if (kvm_vcpu_check_block(vcpu) < 0) { > > - ++vcpu->stat.halt_successful_poll; > > + ++vcpu->stat.common.halt_successful_poll; > > if (!vcpu_valid_wakeup(vcpu)) > > - ++vcpu->stat.halt_poll_invalid; > > + ++vcpu->stat.common.halt_poll_invalid; > > goto out; > > } > > poll_end = cur = ktime_get(); > > @@ -3027,7 +3027,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu) > > waitp = kvm_arch_vcpu_get_wait(vcpu); > > if (rcuwait_wake_up(waitp)) { > > WRITE_ONCE(vcpu->ready, true); > > - ++vcpu->stat.halt_wakeup; > > + ++vcpu->stat.common.halt_wakeup; > > return true; > > } > >
On Mon, May 24, 2021 at 8:18 AM Jing Zhang <jingzhangos@google.com> wrote: > > Put all common statistics in a separate structure to ease > statistics handling for the incoming new statistics API. > > No functional change intended. > > Reviewed-by: David Matlack <dmatlack@google.com> FYI I think you only add Reviewed-by tags if they are offered by the reviewer explicitly [1]. Offering your Reviewed-by tag is similar to hitting the +1 button on Gerrit. But in any case, this patch looks good so here's my tag: Reviewed-by: David Matlack <dmatlack@google.com> [1] https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html#reviewer-s-statement-of-oversight > Reviewed-by: Ricardo Koller <ricarkol@google.com> > Signed-off-by: Jing Zhang <jingzhangos@google.com> > --- > arch/arm64/include/asm/kvm_host.h | 9 ++------- > arch/arm64/kvm/guest.c | 12 ++++++------ > arch/mips/include/asm/kvm_host.h | 9 ++------- > arch/mips/kvm/mips.c | 12 ++++++------ > arch/powerpc/include/asm/kvm_host.h | 9 ++------- > arch/powerpc/kvm/book3s.c | 12 ++++++------ > arch/powerpc/kvm/book3s_hv.c | 12 ++++++------ > arch/powerpc/kvm/book3s_pr.c | 2 +- > arch/powerpc/kvm/book3s_pr_papr.c | 2 +- > arch/powerpc/kvm/booke.c | 14 +++++++------- > arch/s390/include/asm/kvm_host.h | 9 ++------- > arch/s390/kvm/kvm-s390.c | 12 ++++++------ > arch/x86/include/asm/kvm_host.h | 9 ++------- > arch/x86/kvm/x86.c | 14 +++++++------- > include/linux/kvm_host.h | 9 +++++++-- > include/linux/kvm_types.h | 12 ++++++++++++ > virt/kvm/kvm_main.c | 14 +++++++------- > 17 files changed, 82 insertions(+), 90 deletions(-) > > diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h > index 7cd7d5c8c4bc..f3ad7a20b0af 100644 > --- a/arch/arm64/include/asm/kvm_host.h > +++ b/arch/arm64/include/asm/kvm_host.h > @@ -556,16 +556,11 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg) > } > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > }; > > struct kvm_vcpu_stat { > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > + struct kvm_vcpu_stat_common common; > u64 hvc_exit_stat; > u64 wfe_exit_stat; > u64 wfi_exit_stat; > diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c > index 5cb4a1cd5603..0e41331b0911 100644 > --- a/arch/arm64/kvm/guest.c > +++ b/arch/arm64/kvm/guest.c > @@ -29,18 +29,18 @@ > #include "trace.h" > > struct kvm_stats_debugfs_item debugfs_entries[] = { > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("hvc_exit_stat", hvc_exit_stat), > VCPU_STAT("wfe_exit_stat", wfe_exit_stat), > VCPU_STAT("wfi_exit_stat", wfi_exit_stat), > VCPU_STAT("mmio_exit_user", mmio_exit_user), > VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel), > VCPU_STAT("exits", exits), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > { NULL } > }; > > diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h > index fca4547d580f..6f610fbcd8d1 100644 > --- a/arch/mips/include/asm/kvm_host.h > +++ b/arch/mips/include/asm/kvm_host.h > @@ -109,10 +109,11 @@ static inline bool kvm_is_error_hva(unsigned long addr) > } > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 wait_exits; > u64 cache_exits; > u64 signal_exits; > @@ -142,12 +143,6 @@ struct kvm_vcpu_stat { > #ifdef CONFIG_CPU_LOONGSON64 > u64 vz_cpucfg_exits; > #endif > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > }; > > struct kvm_arch_memory_slot { > diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c > index 4d4af97dcc88..f4fc60c05e9c 100644 > --- a/arch/mips/kvm/mips.c > +++ b/arch/mips/kvm/mips.c > @@ -68,12 +68,12 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > #ifdef CONFIG_CPU_LOONGSON64 > VCPU_STAT("vz_cpucfg", vz_cpucfg_exits), > #endif > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > {NULL} > }; > > diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h > index 1e83359f286b..473d9d0804ff 100644 > --- a/arch/powerpc/include/asm/kvm_host.h > +++ b/arch/powerpc/include/asm/kvm_host.h > @@ -80,12 +80,13 @@ struct kvmppc_book3s_shadow_vcpu; > struct kvm_nested_guest; > > struct kvm_vm_stat { > - ulong remote_tlb_flush; > + struct kvm_vm_stat_common common; > ulong num_2M_pages; > ulong num_1G_pages; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 sum_exits; > u64 mmio_exits; > u64 signal_exits; > @@ -101,14 +102,8 @@ struct kvm_vcpu_stat { > u64 emulated_inst_exits; > u64 dec_exits; > u64 ext_intr_exits; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 halt_wait_ns; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > u64 halt_successful_wait; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > u64 dbell_exits; > u64 gdbell_exits; > u64 ld; > diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c > index 2b691f4d1f26..bd3a10e1fdaf 100644 > --- a/arch/powerpc/kvm/book3s.c > +++ b/arch/powerpc/kvm/book3s.c > @@ -47,14 +47,14 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("dec", dec_exits), > VCPU_STAT("ext_intr", ext_intr_exits), > VCPU_STAT("queue_intr", queue_intr), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("halt_wait_ns", halt_wait_ns), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > VCPU_STAT("halt_successful_wait", halt_successful_wait), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("pf_storage", pf_storage), > VCPU_STAT("sp_storage", sp_storage), > VCPU_STAT("pf_instruc", pf_instruc), > diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c > index 28a80d240b76..58e187e03c52 100644 > --- a/arch/powerpc/kvm/book3s_hv.c > +++ b/arch/powerpc/kvm/book3s_hv.c > @@ -236,7 +236,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) > > waitp = kvm_arch_vcpu_get_wait(vcpu); > if (rcuwait_wake_up(waitp)) > - ++vcpu->stat.halt_wakeup; > + ++vcpu->stat.common.halt_wakeup; > > cpu = READ_ONCE(vcpu->arch.thread_cpu); > if (cpu >= 0 && kvmppc_ipi_thread(cpu)) > @@ -3925,7 +3925,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > cur = start_poll = ktime_get(); > if (vc->halt_poll_ns) { > ktime_t stop = ktime_add_ns(start_poll, vc->halt_poll_ns); > - ++vc->runner->stat.halt_attempted_poll; > + ++vc->runner->stat.common.halt_attempted_poll; > > vc->vcore_state = VCORE_POLLING; > spin_unlock(&vc->lock); > @@ -3942,7 +3942,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > vc->vcore_state = VCORE_INACTIVE; > > if (!do_sleep) { > - ++vc->runner->stat.halt_successful_poll; > + ++vc->runner->stat.common.halt_successful_poll; > goto out; > } > } > @@ -3954,7 +3954,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > do_sleep = 0; > /* If we polled, count this as a successful poll */ > if (vc->halt_poll_ns) > - ++vc->runner->stat.halt_successful_poll; > + ++vc->runner->stat.common.halt_successful_poll; > goto out; > } > > @@ -3981,13 +3981,13 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > ktime_to_ns(cur) - ktime_to_ns(start_wait); > /* Attribute failed poll time */ > if (vc->halt_poll_ns) > - vc->runner->stat.halt_poll_fail_ns += > + vc->runner->stat.common.halt_poll_fail_ns += > ktime_to_ns(start_wait) - > ktime_to_ns(start_poll); > } else { > /* Attribute successful poll time */ > if (vc->halt_poll_ns) > - vc->runner->stat.halt_poll_success_ns += > + vc->runner->stat.common.halt_poll_success_ns += > ktime_to_ns(cur) - > ktime_to_ns(start_poll); > } > diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c > index d7733b07f489..214caa9d9675 100644 > --- a/arch/powerpc/kvm/book3s_pr.c > +++ b/arch/powerpc/kvm/book3s_pr.c > @@ -493,7 +493,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr) > if (!vcpu->arch.pending_exceptions) { > kvm_vcpu_block(vcpu); > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > - vcpu->stat.halt_wakeup++; > + vcpu->stat.common.halt_wakeup++; > > /* Unset POW bit after we woke up */ > msr &= ~MSR_POW; > diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c > index 031c8015864a..9384625c8051 100644 > --- a/arch/powerpc/kvm/book3s_pr_papr.c > +++ b/arch/powerpc/kvm/book3s_pr_papr.c > @@ -378,7 +378,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) > kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); > kvm_vcpu_block(vcpu); > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > - vcpu->stat.halt_wakeup++; > + vcpu->stat.common.halt_wakeup++; > return EMULATE_DONE; > case H_LOGICAL_CI_LOAD: > return kvmppc_h_pr_logical_ci_load(vcpu); > diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c > index 7d5fe43f85c4..07fdd7a1254a 100644 > --- a/arch/powerpc/kvm/booke.c > +++ b/arch/powerpc/kvm/booke.c > @@ -49,15 +49,15 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("inst_emu", emulated_inst_exits), > VCPU_STAT("dec", dec_exits), > VCPU_STAT("ext_intr", ext_intr_exits), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("doorbell", dbell_exits), > VCPU_STAT("guest doorbell", gdbell_exits), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > { NULL } > }; > > diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h > index 8925f3969478..57a20897f3db 100644 > --- a/arch/s390/include/asm/kvm_host.h > +++ b/arch/s390/include/asm/kvm_host.h > @@ -361,6 +361,7 @@ struct sie_page { > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 exit_userspace; > u64 exit_null; > u64 exit_external_request; > @@ -370,13 +371,7 @@ struct kvm_vcpu_stat { > u64 exit_validity; > u64 exit_instruction; > u64 exit_pei; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_invalid; > u64 halt_no_poll_steal; > - u64 halt_wakeup; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 instruction_lctl; > u64 instruction_lctlg; > u64 instruction_stctl; > @@ -755,12 +750,12 @@ struct kvm_vcpu_arch { > }; > > struct kvm_vm_stat { > + struct kvm_vm_stat_common common; > u64 inject_io; > u64 inject_float_mchk; > u64 inject_pfault_done; > u64 inject_service_signal; > u64 inject_virtio; > - u64 remote_tlb_flush; > }; > > struct kvm_arch_memory_slot { > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > index 1296fc10f80c..d6bf3372bb10 100644 > --- a/arch/s390/kvm/kvm-s390.c > +++ b/arch/s390/kvm/kvm-s390.c > @@ -72,13 +72,13 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("exit_program_interruption", exit_program_interruption), > VCPU_STAT("exit_instr_and_program_int", exit_instr_and_program), > VCPU_STAT("exit_operation_exception", exit_operation_exception), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > VCPU_STAT("halt_no_poll_steal", halt_no_poll_steal), > - VCPU_STAT("halt_wakeup", halt_wakeup), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("instruction_lctlg", instruction_lctlg), > VCPU_STAT("instruction_lctl", instruction_lctl), > VCPU_STAT("instruction_stctl", instruction_stctl), > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > index 55efbacfc244..5bfd6893fbf6 100644 > --- a/arch/x86/include/asm/kvm_host.h > +++ b/arch/x86/include/asm/kvm_host.h > @@ -1127,6 +1127,7 @@ struct kvm_arch { > }; > > struct kvm_vm_stat { > + struct kvm_vm_stat_common common; > ulong mmu_shadow_zapped; > ulong mmu_pte_write; > ulong mmu_pde_zapped; > @@ -1134,13 +1135,13 @@ struct kvm_vm_stat { > ulong mmu_recycled; > ulong mmu_cache_miss; > ulong mmu_unsync; > - ulong remote_tlb_flush; > ulong lpages; > ulong nx_lpage_splits; > ulong max_mmu_page_hash_collisions; > }; > > struct kvm_vcpu_stat { > + struct kvm_vcpu_stat_common common; > u64 pf_fixed; > u64 pf_guest; > u64 tlb_flush; > @@ -1154,10 +1155,6 @@ struct kvm_vcpu_stat { > u64 nmi_window_exits; > u64 l1d_flush; > u64 halt_exits; > - u64 halt_successful_poll; > - u64 halt_attempted_poll; > - u64 halt_poll_invalid; > - u64 halt_wakeup; > u64 request_irq_exits; > u64 irq_exits; > u64 host_state_reload; > @@ -1168,8 +1165,6 @@ struct kvm_vcpu_stat { > u64 irq_injections; > u64 nmi_injections; > u64 req_event; > - u64 halt_poll_success_ns; > - u64 halt_poll_fail_ns; > u64 nested_run; > u64 directed_yield_attempted; > u64 directed_yield_successful; > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > index 9b6bca616929..9a93d80caff6 100644 > --- a/arch/x86/kvm/x86.c > +++ b/arch/x86/kvm/x86.c > @@ -226,10 +226,10 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("irq_window", irq_window_exits), > VCPU_STAT("nmi_window", nmi_window_exits), > VCPU_STAT("halt_exits", halt_exits), > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > - VCPU_STAT("halt_wakeup", halt_wakeup), > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > VCPU_STAT("hypercalls", hypercalls), > VCPU_STAT("request_irq", request_irq_exits), > VCPU_STAT("irq_exits", irq_exits), > @@ -241,8 +241,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VCPU_STAT("nmi_injections", nmi_injections), > VCPU_STAT("req_event", req_event), > VCPU_STAT("l1d_flush", l1d_flush), > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > VCPU_STAT("nested_run", nested_run), > VCPU_STAT("directed_yield_attempted", directed_yield_attempted), > VCPU_STAT("directed_yield_successful", directed_yield_successful), > @@ -253,7 +253,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > VM_STAT("mmu_recycled", mmu_recycled), > VM_STAT("mmu_cache_miss", mmu_cache_miss), > VM_STAT("mmu_unsync", mmu_unsync), > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > VM_STAT("largepages", lpages, .mode = 0444), > VM_STAT("nx_largepages_splitted", nx_lpage_splits, .mode = 0444), > VM_STAT("max_mmu_page_hash_collisions", max_mmu_page_hash_collisions), > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 2f34487e21f2..97700e41db3b 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -1243,10 +1243,15 @@ struct kvm_stats_debugfs_item { > #define KVM_DBGFS_GET_MODE(dbgfs_item) \ > ((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644) > > -#define VM_STAT(n, x, ...) \ > +#define VM_STAT(n, x, ...) \ > { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ } > -#define VCPU_STAT(n, x, ...) \ > +#define VCPU_STAT(n, x, ...) \ > { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ } > +#define VM_STAT_COM(n, x, ...) \ > + { n, offsetof(struct kvm, stat.common.x), KVM_STAT_VM, ## __VA_ARGS__ } > +#define VCPU_STAT_COM(n, x, ...) \ > + { n, offsetof(struct kvm_vcpu, stat.common.x), \ > + KVM_STAT_VCPU, ## __VA_ARGS__ } > > extern struct kvm_stats_debugfs_item debugfs_entries[]; > extern struct dentry *kvm_debugfs_dir; > diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h > index a7580f69dda0..87eb05ad678b 100644 > --- a/include/linux/kvm_types.h > +++ b/include/linux/kvm_types.h > @@ -76,5 +76,17 @@ struct kvm_mmu_memory_cache { > }; > #endif > > +struct kvm_vm_stat_common { > + ulong remote_tlb_flush; > +}; > + > +struct kvm_vcpu_stat_common { > + u64 halt_successful_poll; > + u64 halt_attempted_poll; > + u64 halt_poll_invalid; > + u64 halt_wakeup; > + u64 halt_poll_success_ns; > + u64 halt_poll_fail_ns; > +}; > > #endif /* __KVM_TYPES_H__ */ > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > index 6b4feb92dc79..34a4cf265297 100644 > --- a/virt/kvm/kvm_main.c > +++ b/virt/kvm/kvm_main.c > @@ -330,7 +330,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) > */ > if (!kvm_arch_flush_remote_tlb(kvm) > || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) > - ++kvm->stat.remote_tlb_flush; > + ++kvm->stat.common.remote_tlb_flush; > cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); > } > EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); > @@ -2940,9 +2940,9 @@ static inline void > update_halt_poll_stats(struct kvm_vcpu *vcpu, u64 poll_ns, bool waited) > { > if (waited) > - vcpu->stat.halt_poll_fail_ns += poll_ns; > + vcpu->stat.common.halt_poll_fail_ns += poll_ns; > else > - vcpu->stat.halt_poll_success_ns += poll_ns; > + vcpu->stat.common.halt_poll_success_ns += poll_ns; > } > > /* > @@ -2960,16 +2960,16 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) > if (vcpu->halt_poll_ns && !kvm_arch_no_poll(vcpu)) { > ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns); > > - ++vcpu->stat.halt_attempted_poll; > + ++vcpu->stat.common.halt_attempted_poll; > do { > /* > * This sets KVM_REQ_UNHALT if an interrupt > * arrives. > */ > if (kvm_vcpu_check_block(vcpu) < 0) { > - ++vcpu->stat.halt_successful_poll; > + ++vcpu->stat.common.halt_successful_poll; > if (!vcpu_valid_wakeup(vcpu)) > - ++vcpu->stat.halt_poll_invalid; > + ++vcpu->stat.common.halt_poll_invalid; > goto out; > } > poll_end = cur = ktime_get(); > @@ -3027,7 +3027,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu) > waitp = kvm_arch_vcpu_get_wait(vcpu); > if (rcuwait_wake_up(waitp)) { > WRITE_ONCE(vcpu->ready, true); > - ++vcpu->stat.halt_wakeup; > + ++vcpu->stat.common.halt_wakeup; > return true; > } > > -- > 2.31.1.818.g46aad6cb9e-goog >
On Tue, May 25, 2021 at 4:36 PM David Matlack <dmatlack@google.com> wrote: > > On Mon, May 24, 2021 at 8:18 AM Jing Zhang <jingzhangos@google.com> wrote: > > > > Put all common statistics in a separate structure to ease > > statistics handling for the incoming new statistics API. > > > > No functional change intended. > > > > Reviewed-by: David Matlack <dmatlack@google.com> > > FYI I think you only add Reviewed-by tags if they are offered by the > reviewer explicitly [1]. Offering your Reviewed-by tag is similar to > hitting the +1 button on Gerrit. > > But in any case, this patch looks good so here's my tag: > > Reviewed-by: David Matlack <dmatlack@google.com> > > [1] https://www.kernel.org/doc/html/v4.17/process/submitting-patches.html#reviewer-s-statement-of-oversight > > > Reviewed-by: Ricardo Koller <ricarkol@google.com> > > Signed-off-by: Jing Zhang <jingzhangos@google.com> > > --- > > arch/arm64/include/asm/kvm_host.h | 9 ++------- > > arch/arm64/kvm/guest.c | 12 ++++++------ > > arch/mips/include/asm/kvm_host.h | 9 ++------- > > arch/mips/kvm/mips.c | 12 ++++++------ > > arch/powerpc/include/asm/kvm_host.h | 9 ++------- > > arch/powerpc/kvm/book3s.c | 12 ++++++------ > > arch/powerpc/kvm/book3s_hv.c | 12 ++++++------ > > arch/powerpc/kvm/book3s_pr.c | 2 +- > > arch/powerpc/kvm/book3s_pr_papr.c | 2 +- > > arch/powerpc/kvm/booke.c | 14 +++++++------- > > arch/s390/include/asm/kvm_host.h | 9 ++------- > > arch/s390/kvm/kvm-s390.c | 12 ++++++------ > > arch/x86/include/asm/kvm_host.h | 9 ++------- > > arch/x86/kvm/x86.c | 14 +++++++------- > > include/linux/kvm_host.h | 9 +++++++-- > > include/linux/kvm_types.h | 12 ++++++++++++ > > virt/kvm/kvm_main.c | 14 +++++++------- > > 17 files changed, 82 insertions(+), 90 deletions(-) > > > > diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h > > index 7cd7d5c8c4bc..f3ad7a20b0af 100644 > > --- a/arch/arm64/include/asm/kvm_host.h > > +++ b/arch/arm64/include/asm/kvm_host.h > > @@ -556,16 +556,11 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg) > > } > > > > struct kvm_vm_stat { > > - ulong remote_tlb_flush; > > + struct kvm_vm_stat_common common; > > }; > > > > struct kvm_vcpu_stat { > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > + struct kvm_vcpu_stat_common common; > > u64 hvc_exit_stat; > > u64 wfe_exit_stat; > > u64 wfi_exit_stat; > > diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c > > index 5cb4a1cd5603..0e41331b0911 100644 > > --- a/arch/arm64/kvm/guest.c > > +++ b/arch/arm64/kvm/guest.c > > @@ -29,18 +29,18 @@ > > #include "trace.h" > > > > struct kvm_stats_debugfs_item debugfs_entries[] = { > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("hvc_exit_stat", hvc_exit_stat), > > VCPU_STAT("wfe_exit_stat", wfe_exit_stat), > > VCPU_STAT("wfi_exit_stat", wfi_exit_stat), > > VCPU_STAT("mmio_exit_user", mmio_exit_user), > > VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel), > > VCPU_STAT("exits", exits), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > { NULL } > > }; > > > > diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h > > index fca4547d580f..6f610fbcd8d1 100644 > > --- a/arch/mips/include/asm/kvm_host.h > > +++ b/arch/mips/include/asm/kvm_host.h > > @@ -109,10 +109,11 @@ static inline bool kvm_is_error_hva(unsigned long addr) > > } > > > > struct kvm_vm_stat { > > - ulong remote_tlb_flush; > > + struct kvm_vm_stat_common common; > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 wait_exits; > > u64 cache_exits; > > u64 signal_exits; > > @@ -142,12 +143,6 @@ struct kvm_vcpu_stat { > > #ifdef CONFIG_CPU_LOONGSON64 > > u64 vz_cpucfg_exits; > > #endif > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > }; > > > > struct kvm_arch_memory_slot { > > diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c > > index 4d4af97dcc88..f4fc60c05e9c 100644 > > --- a/arch/mips/kvm/mips.c > > +++ b/arch/mips/kvm/mips.c > > @@ -68,12 +68,12 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > #ifdef CONFIG_CPU_LOONGSON64 > > VCPU_STAT("vz_cpucfg", vz_cpucfg_exits), > > #endif > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > {NULL} > > }; > > > > diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h > > index 1e83359f286b..473d9d0804ff 100644 > > --- a/arch/powerpc/include/asm/kvm_host.h > > +++ b/arch/powerpc/include/asm/kvm_host.h > > @@ -80,12 +80,13 @@ struct kvmppc_book3s_shadow_vcpu; > > struct kvm_nested_guest; > > > > struct kvm_vm_stat { > > - ulong remote_tlb_flush; > > + struct kvm_vm_stat_common common; > > ulong num_2M_pages; > > ulong num_1G_pages; > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 sum_exits; > > u64 mmio_exits; > > u64 signal_exits; > > @@ -101,14 +102,8 @@ struct kvm_vcpu_stat { > > u64 emulated_inst_exits; > > u64 dec_exits; > > u64 ext_intr_exits; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > u64 halt_wait_ns; > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > u64 halt_successful_wait; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > u64 dbell_exits; > > u64 gdbell_exits; > > u64 ld; > > diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c > > index 2b691f4d1f26..bd3a10e1fdaf 100644 > > --- a/arch/powerpc/kvm/book3s.c > > +++ b/arch/powerpc/kvm/book3s.c > > @@ -47,14 +47,14 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("dec", dec_exits), > > VCPU_STAT("ext_intr", ext_intr_exits), > > VCPU_STAT("queue_intr", queue_intr), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > VCPU_STAT("halt_wait_ns", halt_wait_ns), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > VCPU_STAT("halt_successful_wait", halt_successful_wait), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("pf_storage", pf_storage), > > VCPU_STAT("sp_storage", sp_storage), > > VCPU_STAT("pf_instruc", pf_instruc), > > diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c > > index 28a80d240b76..58e187e03c52 100644 > > --- a/arch/powerpc/kvm/book3s_hv.c > > +++ b/arch/powerpc/kvm/book3s_hv.c > > @@ -236,7 +236,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) > > > > waitp = kvm_arch_vcpu_get_wait(vcpu); > > if (rcuwait_wake_up(waitp)) > > - ++vcpu->stat.halt_wakeup; > > + ++vcpu->stat.common.halt_wakeup; > > > > cpu = READ_ONCE(vcpu->arch.thread_cpu); > > if (cpu >= 0 && kvmppc_ipi_thread(cpu)) > > @@ -3925,7 +3925,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > cur = start_poll = ktime_get(); > > if (vc->halt_poll_ns) { > > ktime_t stop = ktime_add_ns(start_poll, vc->halt_poll_ns); > > - ++vc->runner->stat.halt_attempted_poll; > > + ++vc->runner->stat.common.halt_attempted_poll; > > > > vc->vcore_state = VCORE_POLLING; > > spin_unlock(&vc->lock); > > @@ -3942,7 +3942,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > vc->vcore_state = VCORE_INACTIVE; > > > > if (!do_sleep) { > > - ++vc->runner->stat.halt_successful_poll; > > + ++vc->runner->stat.common.halt_successful_poll; > > goto out; > > } > > } > > @@ -3954,7 +3954,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > do_sleep = 0; > > /* If we polled, count this as a successful poll */ > > if (vc->halt_poll_ns) > > - ++vc->runner->stat.halt_successful_poll; > > + ++vc->runner->stat.common.halt_successful_poll; > > goto out; > > } > > > > @@ -3981,13 +3981,13 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) > > ktime_to_ns(cur) - ktime_to_ns(start_wait); > > /* Attribute failed poll time */ > > if (vc->halt_poll_ns) > > - vc->runner->stat.halt_poll_fail_ns += > > + vc->runner->stat.common.halt_poll_fail_ns += > > ktime_to_ns(start_wait) - > > ktime_to_ns(start_poll); > > } else { > > /* Attribute successful poll time */ > > if (vc->halt_poll_ns) > > - vc->runner->stat.halt_poll_success_ns += > > + vc->runner->stat.common.halt_poll_success_ns += > > ktime_to_ns(cur) - > > ktime_to_ns(start_poll); > > } > > diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c > > index d7733b07f489..214caa9d9675 100644 > > --- a/arch/powerpc/kvm/book3s_pr.c > > +++ b/arch/powerpc/kvm/book3s_pr.c > > @@ -493,7 +493,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr) > > if (!vcpu->arch.pending_exceptions) { > > kvm_vcpu_block(vcpu); > > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > > - vcpu->stat.halt_wakeup++; > > + vcpu->stat.common.halt_wakeup++; > > > > /* Unset POW bit after we woke up */ > > msr &= ~MSR_POW; > > diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c > > index 031c8015864a..9384625c8051 100644 > > --- a/arch/powerpc/kvm/book3s_pr_papr.c > > +++ b/arch/powerpc/kvm/book3s_pr_papr.c > > @@ -378,7 +378,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) > > kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); > > kvm_vcpu_block(vcpu); > > kvm_clear_request(KVM_REQ_UNHALT, vcpu); > > - vcpu->stat.halt_wakeup++; > > + vcpu->stat.common.halt_wakeup++; > > return EMULATE_DONE; > > case H_LOGICAL_CI_LOAD: > > return kvmppc_h_pr_logical_ci_load(vcpu); > > diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c > > index 7d5fe43f85c4..07fdd7a1254a 100644 > > --- a/arch/powerpc/kvm/booke.c > > +++ b/arch/powerpc/kvm/booke.c > > @@ -49,15 +49,15 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("inst_emu", emulated_inst_exits), > > VCPU_STAT("dec", dec_exits), > > VCPU_STAT("ext_intr", ext_intr_exits), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("doorbell", dbell_exits), > > VCPU_STAT("guest doorbell", gdbell_exits), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > > { NULL } > > }; > > > > diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h > > index 8925f3969478..57a20897f3db 100644 > > --- a/arch/s390/include/asm/kvm_host.h > > +++ b/arch/s390/include/asm/kvm_host.h > > @@ -361,6 +361,7 @@ struct sie_page { > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 exit_userspace; > > u64 exit_null; > > u64 exit_external_request; > > @@ -370,13 +371,7 @@ struct kvm_vcpu_stat { > > u64 exit_validity; > > u64 exit_instruction; > > u64 exit_pei; > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_invalid; > > u64 halt_no_poll_steal; > > - u64 halt_wakeup; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > u64 instruction_lctl; > > u64 instruction_lctlg; > > u64 instruction_stctl; > > @@ -755,12 +750,12 @@ struct kvm_vcpu_arch { > > }; > > > > struct kvm_vm_stat { > > + struct kvm_vm_stat_common common; > > u64 inject_io; > > u64 inject_float_mchk; > > u64 inject_pfault_done; > > u64 inject_service_signal; > > u64 inject_virtio; > > - u64 remote_tlb_flush; > > }; > > > > struct kvm_arch_memory_slot { > > diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c > > index 1296fc10f80c..d6bf3372bb10 100644 > > --- a/arch/s390/kvm/kvm-s390.c > > +++ b/arch/s390/kvm/kvm-s390.c > > @@ -72,13 +72,13 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("exit_program_interruption", exit_program_interruption), > > VCPU_STAT("exit_instr_and_program_int", exit_instr_and_program), > > VCPU_STAT("exit_operation_exception", exit_operation_exception), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > VCPU_STAT("halt_no_poll_steal", halt_no_poll_steal), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > VCPU_STAT("instruction_lctlg", instruction_lctlg), > > VCPU_STAT("instruction_lctl", instruction_lctl), > > VCPU_STAT("instruction_stctl", instruction_stctl), > > diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h > > index 55efbacfc244..5bfd6893fbf6 100644 > > --- a/arch/x86/include/asm/kvm_host.h > > +++ b/arch/x86/include/asm/kvm_host.h > > @@ -1127,6 +1127,7 @@ struct kvm_arch { > > }; > > > > struct kvm_vm_stat { > > + struct kvm_vm_stat_common common; > > ulong mmu_shadow_zapped; > > ulong mmu_pte_write; > > ulong mmu_pde_zapped; > > @@ -1134,13 +1135,13 @@ struct kvm_vm_stat { > > ulong mmu_recycled; > > ulong mmu_cache_miss; > > ulong mmu_unsync; > > - ulong remote_tlb_flush; > > ulong lpages; > > ulong nx_lpage_splits; > > ulong max_mmu_page_hash_collisions; > > }; > > > > struct kvm_vcpu_stat { > > + struct kvm_vcpu_stat_common common; > > u64 pf_fixed; > > u64 pf_guest; > > u64 tlb_flush; > > @@ -1154,10 +1155,6 @@ struct kvm_vcpu_stat { > > u64 nmi_window_exits; > > u64 l1d_flush; > > u64 halt_exits; > > - u64 halt_successful_poll; > > - u64 halt_attempted_poll; > > - u64 halt_poll_invalid; > > - u64 halt_wakeup; > > u64 request_irq_exits; > > u64 irq_exits; > > u64 host_state_reload; > > @@ -1168,8 +1165,6 @@ struct kvm_vcpu_stat { > > u64 irq_injections; > > u64 nmi_injections; > > u64 req_event; > > - u64 halt_poll_success_ns; > > - u64 halt_poll_fail_ns; > > u64 nested_run; > > u64 directed_yield_attempted; > > u64 directed_yield_successful; > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c > > index 9b6bca616929..9a93d80caff6 100644 > > --- a/arch/x86/kvm/x86.c > > +++ b/arch/x86/kvm/x86.c > > @@ -226,10 +226,10 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("irq_window", irq_window_exits), > > VCPU_STAT("nmi_window", nmi_window_exits), > > VCPU_STAT("halt_exits", halt_exits), > > - VCPU_STAT("halt_successful_poll", halt_successful_poll), > > - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), > > - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), > > - VCPU_STAT("halt_wakeup", halt_wakeup), > > + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), > > + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), > > + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), > > + VCPU_STAT_COM("halt_wakeup", halt_wakeup), > > VCPU_STAT("hypercalls", hypercalls), > > VCPU_STAT("request_irq", request_irq_exits), > > VCPU_STAT("irq_exits", irq_exits), > > @@ -241,8 +241,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VCPU_STAT("nmi_injections", nmi_injections), > > VCPU_STAT("req_event", req_event), > > VCPU_STAT("l1d_flush", l1d_flush), > > - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), > > - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), > > + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), > > + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), > > VCPU_STAT("nested_run", nested_run), > > VCPU_STAT("directed_yield_attempted", directed_yield_attempted), > > VCPU_STAT("directed_yield_successful", directed_yield_successful), > > @@ -253,7 +253,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { > > VM_STAT("mmu_recycled", mmu_recycled), > > VM_STAT("mmu_cache_miss", mmu_cache_miss), > > VM_STAT("mmu_unsync", mmu_unsync), > > - VM_STAT("remote_tlb_flush", remote_tlb_flush), > > + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), > > VM_STAT("largepages", lpages, .mode = 0444), > > VM_STAT("nx_largepages_splitted", nx_lpage_splits, .mode = 0444), > > VM_STAT("max_mmu_page_hash_collisions", max_mmu_page_hash_collisions), > > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > > index 2f34487e21f2..97700e41db3b 100644 > > --- a/include/linux/kvm_host.h > > +++ b/include/linux/kvm_host.h > > @@ -1243,10 +1243,15 @@ struct kvm_stats_debugfs_item { > > #define KVM_DBGFS_GET_MODE(dbgfs_item) \ > > ((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644) > > > > -#define VM_STAT(n, x, ...) \ > > +#define VM_STAT(n, x, ...) \ > > { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ } > > -#define VCPU_STAT(n, x, ...) \ > > +#define VCPU_STAT(n, x, ...) \ > > { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ } > > +#define VM_STAT_COM(n, x, ...) \ > > + { n, offsetof(struct kvm, stat.common.x), KVM_STAT_VM, ## __VA_ARGS__ } > > +#define VCPU_STAT_COM(n, x, ...) \ > > + { n, offsetof(struct kvm_vcpu, stat.common.x), \ > > + KVM_STAT_VCPU, ## __VA_ARGS__ } > > > > extern struct kvm_stats_debugfs_item debugfs_entries[]; > > extern struct dentry *kvm_debugfs_dir; > > diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h > > index a7580f69dda0..87eb05ad678b 100644 > > --- a/include/linux/kvm_types.h > > +++ b/include/linux/kvm_types.h > > @@ -76,5 +76,17 @@ struct kvm_mmu_memory_cache { > > }; > > #endif > > > > +struct kvm_vm_stat_common { > > + ulong remote_tlb_flush; > > +}; > > + > > +struct kvm_vcpu_stat_common { > > + u64 halt_successful_poll; > > + u64 halt_attempted_poll; > > + u64 halt_poll_invalid; > > + u64 halt_wakeup; > > + u64 halt_poll_success_ns; > > + u64 halt_poll_fail_ns; > > +}; > > > > #endif /* __KVM_TYPES_H__ */ > > diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c > > index 6b4feb92dc79..34a4cf265297 100644 > > --- a/virt/kvm/kvm_main.c > > +++ b/virt/kvm/kvm_main.c > > @@ -330,7 +330,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) > > */ > > if (!kvm_arch_flush_remote_tlb(kvm) > > || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) > > - ++kvm->stat.remote_tlb_flush; > > + ++kvm->stat.common.remote_tlb_flush; > > cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); > > } > > EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); > > @@ -2940,9 +2940,9 @@ static inline void > > update_halt_poll_stats(struct kvm_vcpu *vcpu, u64 poll_ns, bool waited) > > { > > if (waited) > > - vcpu->stat.halt_poll_fail_ns += poll_ns; > > + vcpu->stat.common.halt_poll_fail_ns += poll_ns; > > else > > - vcpu->stat.halt_poll_success_ns += poll_ns; > > + vcpu->stat.common.halt_poll_success_ns += poll_ns; > > } > > > > /* > > @@ -2960,16 +2960,16 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) > > if (vcpu->halt_poll_ns && !kvm_arch_no_poll(vcpu)) { > > ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns); > > > > - ++vcpu->stat.halt_attempted_poll; > > + ++vcpu->stat.common.halt_attempted_poll; > > do { > > /* > > * This sets KVM_REQ_UNHALT if an interrupt > > * arrives. > > */ > > if (kvm_vcpu_check_block(vcpu) < 0) { > > - ++vcpu->stat.halt_successful_poll; > > + ++vcpu->stat.common.halt_successful_poll; > > if (!vcpu_valid_wakeup(vcpu)) > > - ++vcpu->stat.halt_poll_invalid; > > + ++vcpu->stat.common.halt_poll_invalid; > > goto out; > > } > > poll_end = cur = ktime_get(); > > @@ -3027,7 +3027,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu) > > waitp = kvm_arch_vcpu_get_wait(vcpu); > > if (rcuwait_wake_up(waitp)) { > > WRITE_ONCE(vcpu->ready, true); > > - ++vcpu->stat.halt_wakeup; > > + ++vcpu->stat.common.halt_wakeup; > > return true; > > } > > > > -- > > 2.31.1.818.g46aad6cb9e-goog > > Thanks David! Jing
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h index 7cd7d5c8c4bc..f3ad7a20b0af 100644 --- a/arch/arm64/include/asm/kvm_host.h +++ b/arch/arm64/include/asm/kvm_host.h @@ -556,16 +556,11 @@ static inline bool __vcpu_write_sys_reg_to_cpu(u64 val, int reg) } struct kvm_vm_stat { - ulong remote_tlb_flush; + struct kvm_vm_stat_common common; }; struct kvm_vcpu_stat { - u64 halt_successful_poll; - u64 halt_attempted_poll; - u64 halt_poll_success_ns; - u64 halt_poll_fail_ns; - u64 halt_poll_invalid; - u64 halt_wakeup; + struct kvm_vcpu_stat_common common; u64 hvc_exit_stat; u64 wfe_exit_stat; u64 wfi_exit_stat; diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 5cb4a1cd5603..0e41331b0911 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -29,18 +29,18 @@ #include "trace.h" struct kvm_stats_debugfs_item debugfs_entries[] = { - VCPU_STAT("halt_successful_poll", halt_successful_poll), - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), - VCPU_STAT("halt_wakeup", halt_wakeup), + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), + VCPU_STAT_COM("halt_wakeup", halt_wakeup), VCPU_STAT("hvc_exit_stat", hvc_exit_stat), VCPU_STAT("wfe_exit_stat", wfe_exit_stat), VCPU_STAT("wfi_exit_stat", wfi_exit_stat), VCPU_STAT("mmio_exit_user", mmio_exit_user), VCPU_STAT("mmio_exit_kernel", mmio_exit_kernel), VCPU_STAT("exits", exits), - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), { NULL } }; diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index fca4547d580f..6f610fbcd8d1 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -109,10 +109,11 @@ static inline bool kvm_is_error_hva(unsigned long addr) } struct kvm_vm_stat { - ulong remote_tlb_flush; + struct kvm_vm_stat_common common; }; struct kvm_vcpu_stat { + struct kvm_vcpu_stat_common common; u64 wait_exits; u64 cache_exits; u64 signal_exits; @@ -142,12 +143,6 @@ struct kvm_vcpu_stat { #ifdef CONFIG_CPU_LOONGSON64 u64 vz_cpucfg_exits; #endif - u64 halt_successful_poll; - u64 halt_attempted_poll; - u64 halt_poll_success_ns; - u64 halt_poll_fail_ns; - u64 halt_poll_invalid; - u64 halt_wakeup; }; struct kvm_arch_memory_slot { diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c index 4d4af97dcc88..f4fc60c05e9c 100644 --- a/arch/mips/kvm/mips.c +++ b/arch/mips/kvm/mips.c @@ -68,12 +68,12 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { #ifdef CONFIG_CPU_LOONGSON64 VCPU_STAT("vz_cpucfg", vz_cpucfg_exits), #endif - VCPU_STAT("halt_successful_poll", halt_successful_poll), - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), - VCPU_STAT("halt_wakeup", halt_wakeup), - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), + VCPU_STAT_COM("halt_wakeup", halt_wakeup), + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), {NULL} }; diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h index 1e83359f286b..473d9d0804ff 100644 --- a/arch/powerpc/include/asm/kvm_host.h +++ b/arch/powerpc/include/asm/kvm_host.h @@ -80,12 +80,13 @@ struct kvmppc_book3s_shadow_vcpu; struct kvm_nested_guest; struct kvm_vm_stat { - ulong remote_tlb_flush; + struct kvm_vm_stat_common common; ulong num_2M_pages; ulong num_1G_pages; }; struct kvm_vcpu_stat { + struct kvm_vcpu_stat_common common; u64 sum_exits; u64 mmio_exits; u64 signal_exits; @@ -101,14 +102,8 @@ struct kvm_vcpu_stat { u64 emulated_inst_exits; u64 dec_exits; u64 ext_intr_exits; - u64 halt_poll_success_ns; - u64 halt_poll_fail_ns; u64 halt_wait_ns; - u64 halt_successful_poll; - u64 halt_attempted_poll; u64 halt_successful_wait; - u64 halt_poll_invalid; - u64 halt_wakeup; u64 dbell_exits; u64 gdbell_exits; u64 ld; diff --git a/arch/powerpc/kvm/book3s.c b/arch/powerpc/kvm/book3s.c index 2b691f4d1f26..bd3a10e1fdaf 100644 --- a/arch/powerpc/kvm/book3s.c +++ b/arch/powerpc/kvm/book3s.c @@ -47,14 +47,14 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { VCPU_STAT("dec", dec_exits), VCPU_STAT("ext_intr", ext_intr_exits), VCPU_STAT("queue_intr", queue_intr), - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), VCPU_STAT("halt_wait_ns", halt_wait_ns), - VCPU_STAT("halt_successful_poll", halt_successful_poll), - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), VCPU_STAT("halt_successful_wait", halt_successful_wait), - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), - VCPU_STAT("halt_wakeup", halt_wakeup), + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), + VCPU_STAT_COM("halt_wakeup", halt_wakeup), VCPU_STAT("pf_storage", pf_storage), VCPU_STAT("sp_storage", sp_storage), VCPU_STAT("pf_instruc", pf_instruc), diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c index 28a80d240b76..58e187e03c52 100644 --- a/arch/powerpc/kvm/book3s_hv.c +++ b/arch/powerpc/kvm/book3s_hv.c @@ -236,7 +236,7 @@ static void kvmppc_fast_vcpu_kick_hv(struct kvm_vcpu *vcpu) waitp = kvm_arch_vcpu_get_wait(vcpu); if (rcuwait_wake_up(waitp)) - ++vcpu->stat.halt_wakeup; + ++vcpu->stat.common.halt_wakeup; cpu = READ_ONCE(vcpu->arch.thread_cpu); if (cpu >= 0 && kvmppc_ipi_thread(cpu)) @@ -3925,7 +3925,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) cur = start_poll = ktime_get(); if (vc->halt_poll_ns) { ktime_t stop = ktime_add_ns(start_poll, vc->halt_poll_ns); - ++vc->runner->stat.halt_attempted_poll; + ++vc->runner->stat.common.halt_attempted_poll; vc->vcore_state = VCORE_POLLING; spin_unlock(&vc->lock); @@ -3942,7 +3942,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) vc->vcore_state = VCORE_INACTIVE; if (!do_sleep) { - ++vc->runner->stat.halt_successful_poll; + ++vc->runner->stat.common.halt_successful_poll; goto out; } } @@ -3954,7 +3954,7 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) do_sleep = 0; /* If we polled, count this as a successful poll */ if (vc->halt_poll_ns) - ++vc->runner->stat.halt_successful_poll; + ++vc->runner->stat.common.halt_successful_poll; goto out; } @@ -3981,13 +3981,13 @@ static void kvmppc_vcore_blocked(struct kvmppc_vcore *vc) ktime_to_ns(cur) - ktime_to_ns(start_wait); /* Attribute failed poll time */ if (vc->halt_poll_ns) - vc->runner->stat.halt_poll_fail_ns += + vc->runner->stat.common.halt_poll_fail_ns += ktime_to_ns(start_wait) - ktime_to_ns(start_poll); } else { /* Attribute successful poll time */ if (vc->halt_poll_ns) - vc->runner->stat.halt_poll_success_ns += + vc->runner->stat.common.halt_poll_success_ns += ktime_to_ns(cur) - ktime_to_ns(start_poll); } diff --git a/arch/powerpc/kvm/book3s_pr.c b/arch/powerpc/kvm/book3s_pr.c index d7733b07f489..214caa9d9675 100644 --- a/arch/powerpc/kvm/book3s_pr.c +++ b/arch/powerpc/kvm/book3s_pr.c @@ -493,7 +493,7 @@ static void kvmppc_set_msr_pr(struct kvm_vcpu *vcpu, u64 msr) if (!vcpu->arch.pending_exceptions) { kvm_vcpu_block(vcpu); kvm_clear_request(KVM_REQ_UNHALT, vcpu); - vcpu->stat.halt_wakeup++; + vcpu->stat.common.halt_wakeup++; /* Unset POW bit after we woke up */ msr &= ~MSR_POW; diff --git a/arch/powerpc/kvm/book3s_pr_papr.c b/arch/powerpc/kvm/book3s_pr_papr.c index 031c8015864a..9384625c8051 100644 --- a/arch/powerpc/kvm/book3s_pr_papr.c +++ b/arch/powerpc/kvm/book3s_pr_papr.c @@ -378,7 +378,7 @@ int kvmppc_h_pr(struct kvm_vcpu *vcpu, unsigned long cmd) kvmppc_set_msr_fast(vcpu, kvmppc_get_msr(vcpu) | MSR_EE); kvm_vcpu_block(vcpu); kvm_clear_request(KVM_REQ_UNHALT, vcpu); - vcpu->stat.halt_wakeup++; + vcpu->stat.common.halt_wakeup++; return EMULATE_DONE; case H_LOGICAL_CI_LOAD: return kvmppc_h_pr_logical_ci_load(vcpu); diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 7d5fe43f85c4..07fdd7a1254a 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -49,15 +49,15 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { VCPU_STAT("inst_emu", emulated_inst_exits), VCPU_STAT("dec", dec_exits), VCPU_STAT("ext_intr", ext_intr_exits), - VCPU_STAT("halt_successful_poll", halt_successful_poll), - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), - VCPU_STAT("halt_wakeup", halt_wakeup), + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), + VCPU_STAT_COM("halt_wakeup", halt_wakeup), VCPU_STAT("doorbell", dbell_exits), VCPU_STAT("guest doorbell", gdbell_exits), - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), - VM_STAT("remote_tlb_flush", remote_tlb_flush), + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), { NULL } }; diff --git a/arch/s390/include/asm/kvm_host.h b/arch/s390/include/asm/kvm_host.h index 8925f3969478..57a20897f3db 100644 --- a/arch/s390/include/asm/kvm_host.h +++ b/arch/s390/include/asm/kvm_host.h @@ -361,6 +361,7 @@ struct sie_page { }; struct kvm_vcpu_stat { + struct kvm_vcpu_stat_common common; u64 exit_userspace; u64 exit_null; u64 exit_external_request; @@ -370,13 +371,7 @@ struct kvm_vcpu_stat { u64 exit_validity; u64 exit_instruction; u64 exit_pei; - u64 halt_successful_poll; - u64 halt_attempted_poll; - u64 halt_poll_invalid; u64 halt_no_poll_steal; - u64 halt_wakeup; - u64 halt_poll_success_ns; - u64 halt_poll_fail_ns; u64 instruction_lctl; u64 instruction_lctlg; u64 instruction_stctl; @@ -755,12 +750,12 @@ struct kvm_vcpu_arch { }; struct kvm_vm_stat { + struct kvm_vm_stat_common common; u64 inject_io; u64 inject_float_mchk; u64 inject_pfault_done; u64 inject_service_signal; u64 inject_virtio; - u64 remote_tlb_flush; }; struct kvm_arch_memory_slot { diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 1296fc10f80c..d6bf3372bb10 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -72,13 +72,13 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { VCPU_STAT("exit_program_interruption", exit_program_interruption), VCPU_STAT("exit_instr_and_program_int", exit_instr_and_program), VCPU_STAT("exit_operation_exception", exit_operation_exception), - VCPU_STAT("halt_successful_poll", halt_successful_poll), - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), VCPU_STAT("halt_no_poll_steal", halt_no_poll_steal), - VCPU_STAT("halt_wakeup", halt_wakeup), - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), + VCPU_STAT_COM("halt_wakeup", halt_wakeup), + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), VCPU_STAT("instruction_lctlg", instruction_lctlg), VCPU_STAT("instruction_lctl", instruction_lctl), VCPU_STAT("instruction_stctl", instruction_stctl), diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 55efbacfc244..5bfd6893fbf6 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -1127,6 +1127,7 @@ struct kvm_arch { }; struct kvm_vm_stat { + struct kvm_vm_stat_common common; ulong mmu_shadow_zapped; ulong mmu_pte_write; ulong mmu_pde_zapped; @@ -1134,13 +1135,13 @@ struct kvm_vm_stat { ulong mmu_recycled; ulong mmu_cache_miss; ulong mmu_unsync; - ulong remote_tlb_flush; ulong lpages; ulong nx_lpage_splits; ulong max_mmu_page_hash_collisions; }; struct kvm_vcpu_stat { + struct kvm_vcpu_stat_common common; u64 pf_fixed; u64 pf_guest; u64 tlb_flush; @@ -1154,10 +1155,6 @@ struct kvm_vcpu_stat { u64 nmi_window_exits; u64 l1d_flush; u64 halt_exits; - u64 halt_successful_poll; - u64 halt_attempted_poll; - u64 halt_poll_invalid; - u64 halt_wakeup; u64 request_irq_exits; u64 irq_exits; u64 host_state_reload; @@ -1168,8 +1165,6 @@ struct kvm_vcpu_stat { u64 irq_injections; u64 nmi_injections; u64 req_event; - u64 halt_poll_success_ns; - u64 halt_poll_fail_ns; u64 nested_run; u64 directed_yield_attempted; u64 directed_yield_successful; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9b6bca616929..9a93d80caff6 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -226,10 +226,10 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { VCPU_STAT("irq_window", irq_window_exits), VCPU_STAT("nmi_window", nmi_window_exits), VCPU_STAT("halt_exits", halt_exits), - VCPU_STAT("halt_successful_poll", halt_successful_poll), - VCPU_STAT("halt_attempted_poll", halt_attempted_poll), - VCPU_STAT("halt_poll_invalid", halt_poll_invalid), - VCPU_STAT("halt_wakeup", halt_wakeup), + VCPU_STAT_COM("halt_successful_poll", halt_successful_poll), + VCPU_STAT_COM("halt_attempted_poll", halt_attempted_poll), + VCPU_STAT_COM("halt_poll_invalid", halt_poll_invalid), + VCPU_STAT_COM("halt_wakeup", halt_wakeup), VCPU_STAT("hypercalls", hypercalls), VCPU_STAT("request_irq", request_irq_exits), VCPU_STAT("irq_exits", irq_exits), @@ -241,8 +241,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { VCPU_STAT("nmi_injections", nmi_injections), VCPU_STAT("req_event", req_event), VCPU_STAT("l1d_flush", l1d_flush), - VCPU_STAT("halt_poll_success_ns", halt_poll_success_ns), - VCPU_STAT("halt_poll_fail_ns", halt_poll_fail_ns), + VCPU_STAT_COM("halt_poll_success_ns", halt_poll_success_ns), + VCPU_STAT_COM("halt_poll_fail_ns", halt_poll_fail_ns), VCPU_STAT("nested_run", nested_run), VCPU_STAT("directed_yield_attempted", directed_yield_attempted), VCPU_STAT("directed_yield_successful", directed_yield_successful), @@ -253,7 +253,7 @@ struct kvm_stats_debugfs_item debugfs_entries[] = { VM_STAT("mmu_recycled", mmu_recycled), VM_STAT("mmu_cache_miss", mmu_cache_miss), VM_STAT("mmu_unsync", mmu_unsync), - VM_STAT("remote_tlb_flush", remote_tlb_flush), + VM_STAT_COM("remote_tlb_flush", remote_tlb_flush), VM_STAT("largepages", lpages, .mode = 0444), VM_STAT("nx_largepages_splitted", nx_lpage_splits, .mode = 0444), VM_STAT("max_mmu_page_hash_collisions", max_mmu_page_hash_collisions), diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 2f34487e21f2..97700e41db3b 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -1243,10 +1243,15 @@ struct kvm_stats_debugfs_item { #define KVM_DBGFS_GET_MODE(dbgfs_item) \ ((dbgfs_item)->mode ? (dbgfs_item)->mode : 0644) -#define VM_STAT(n, x, ...) \ +#define VM_STAT(n, x, ...) \ { n, offsetof(struct kvm, stat.x), KVM_STAT_VM, ## __VA_ARGS__ } -#define VCPU_STAT(n, x, ...) \ +#define VCPU_STAT(n, x, ...) \ { n, offsetof(struct kvm_vcpu, stat.x), KVM_STAT_VCPU, ## __VA_ARGS__ } +#define VM_STAT_COM(n, x, ...) \ + { n, offsetof(struct kvm, stat.common.x), KVM_STAT_VM, ## __VA_ARGS__ } +#define VCPU_STAT_COM(n, x, ...) \ + { n, offsetof(struct kvm_vcpu, stat.common.x), \ + KVM_STAT_VCPU, ## __VA_ARGS__ } extern struct kvm_stats_debugfs_item debugfs_entries[]; extern struct dentry *kvm_debugfs_dir; diff --git a/include/linux/kvm_types.h b/include/linux/kvm_types.h index a7580f69dda0..87eb05ad678b 100644 --- a/include/linux/kvm_types.h +++ b/include/linux/kvm_types.h @@ -76,5 +76,17 @@ struct kvm_mmu_memory_cache { }; #endif +struct kvm_vm_stat_common { + ulong remote_tlb_flush; +}; + +struct kvm_vcpu_stat_common { + u64 halt_successful_poll; + u64 halt_attempted_poll; + u64 halt_poll_invalid; + u64 halt_wakeup; + u64 halt_poll_success_ns; + u64 halt_poll_fail_ns; +}; #endif /* __KVM_TYPES_H__ */ diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 6b4feb92dc79..34a4cf265297 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -330,7 +330,7 @@ void kvm_flush_remote_tlbs(struct kvm *kvm) */ if (!kvm_arch_flush_remote_tlb(kvm) || kvm_make_all_cpus_request(kvm, KVM_REQ_TLB_FLUSH)) - ++kvm->stat.remote_tlb_flush; + ++kvm->stat.common.remote_tlb_flush; cmpxchg(&kvm->tlbs_dirty, dirty_count, 0); } EXPORT_SYMBOL_GPL(kvm_flush_remote_tlbs); @@ -2940,9 +2940,9 @@ static inline void update_halt_poll_stats(struct kvm_vcpu *vcpu, u64 poll_ns, bool waited) { if (waited) - vcpu->stat.halt_poll_fail_ns += poll_ns; + vcpu->stat.common.halt_poll_fail_ns += poll_ns; else - vcpu->stat.halt_poll_success_ns += poll_ns; + vcpu->stat.common.halt_poll_success_ns += poll_ns; } /* @@ -2960,16 +2960,16 @@ void kvm_vcpu_block(struct kvm_vcpu *vcpu) if (vcpu->halt_poll_ns && !kvm_arch_no_poll(vcpu)) { ktime_t stop = ktime_add_ns(ktime_get(), vcpu->halt_poll_ns); - ++vcpu->stat.halt_attempted_poll; + ++vcpu->stat.common.halt_attempted_poll; do { /* * This sets KVM_REQ_UNHALT if an interrupt * arrives. */ if (kvm_vcpu_check_block(vcpu) < 0) { - ++vcpu->stat.halt_successful_poll; + ++vcpu->stat.common.halt_successful_poll; if (!vcpu_valid_wakeup(vcpu)) - ++vcpu->stat.halt_poll_invalid; + ++vcpu->stat.common.halt_poll_invalid; goto out; } poll_end = cur = ktime_get(); @@ -3027,7 +3027,7 @@ bool kvm_vcpu_wake_up(struct kvm_vcpu *vcpu) waitp = kvm_arch_vcpu_get_wait(vcpu); if (rcuwait_wake_up(waitp)) { WRITE_ONCE(vcpu->ready, true); - ++vcpu->stat.halt_wakeup; + ++vcpu->stat.common.halt_wakeup; return true; }