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[PULL,4/9] migration: add "exists" info to load-state-field trace

Message ID 20240522222034.4001-5-farosas@suse.de
State New
Headers show
Series [PULL,1/9] migration/colo: Minor fix for colo error message | expand

Commit Message

Fabiano Rosas May 22, 2024, 10:20 p.m. UTC 
From: Marc-André Lureau <marcandre.lureau@redhat.com>

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Fiona Ebner <f.ebner@proxmox.com>
Tested-by: Fiona Ebner <f.ebner@proxmox.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
---
 migration/trace-events | 2 +-
 migration/vmstate.c    | 5 +++--
 2 files changed, 4 insertions(+), 3 deletions(-)
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Patch

diff --git a/migration/trace-events b/migration/trace-events
index d0c44c3853..0b7c3324fb 100644
--- a/migration/trace-events
+++ b/migration/trace-events
@@ -58,7 +58,7 @@  postcopy_page_req_sync(void *host_addr) "sync page req %p"
 vmstate_load_field_error(const char *field, int ret) "field \"%s\" load failed, ret = %d"
 vmstate_load_state(const char *name, int version_id) "%s v%d"
 vmstate_load_state_end(const char *name, const char *reason, int val) "%s %s/%d"
-vmstate_load_state_field(const char *name, const char *field) "%s:%s"
+vmstate_load_state_field(const char *name, const char *field, bool exists) "%s:%s exists=%d"
 vmstate_n_elems(const char *name, int n_elems) "%s: %d"
 vmstate_subsection_load(const char *parent) "%s"
 vmstate_subsection_load_bad(const char *parent,  const char *sub, const char *sub2) "%s: %s/%s"
diff --git a/migration/vmstate.c b/migration/vmstate.c
index ef26f26ccd..b51212a75b 100644
--- a/migration/vmstate.c
+++ b/migration/vmstate.c
@@ -128,8 +128,9 @@  int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
         }
     }
     while (field->name) {
-        trace_vmstate_load_state_field(vmsd->name, field->name);
-        if (vmstate_field_exists(vmsd, field, opaque, version_id)) {
+        bool exists = vmstate_field_exists(vmsd, field, opaque, version_id);
+        trace_vmstate_load_state_field(vmsd->name, field->name, exists);
+        if (exists) {
             void *first_elem = opaque + field->offset;
             int i, n_elems = vmstate_n_elems(opaque, field);
             int size = vmstate_size(opaque, field);