Message ID | 1502202949-8138-16-git-send-email-ldufour@linux.vnet.ibm.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c index c6cd40901dd0..112c4bc9da70 100644 --- a/arch/powerpc/mm/fault.c +++ b/arch/powerpc/mm/fault.c @@ -306,8 +306,13 @@ int do_page_fault(struct pt_regs *regs, unsigned long address, flags |= FAULT_FLAG_WRITE; fault = handle_speculative_fault(mm, address, flags); - if (!(fault & VM_FAULT_RETRY || fault & VM_FAULT_ERROR)) + if (!(fault & VM_FAULT_RETRY || fault & VM_FAULT_ERROR)) { + perf_sw_event(PERF_COUNT_SW_SPF_DONE, 1, + regs, address); goto done; + } + + perf_sw_event(PERF_COUNT_SW_SPF_FAILED, 1, regs, address); /* * Resetting flags since the following code assumes
Add support for the new speculative page faults software events. Signed-off-by: Laurent Dufour <ldufour@linux.vnet.ibm.com> --- arch/powerpc/mm/fault.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)