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vl: add system_wakeup_request tracepoint 

It might be useful for tracing migration.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Alexey Kardashevskiy 2014-03-07 01:33:36 +05:30 committed by Juan Quintela
parent ac4df4e608
commit 4fed9421e9
2 changed files with 3 additions and 0 deletions
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1
trace-events
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@ -486,6 +486,7 @@ runstate_set(int new_state) "new state %d"
g_malloc(size_t size, void *ptr) "size %zu ptr %p" g_malloc(size_t size, void *ptr) "size %zu ptr %p"
g_realloc(void *ptr, size_t size, void *newptr) "ptr %p size %zu newptr %p" g_realloc(void *ptr, size_t size, void *newptr) "ptr %p size %zu newptr %p"
g_free(void *ptr) "ptr %p" g_free(void *ptr) "ptr %p"
system_wakeup_request(int reason) "reason=%d"
# block/qcow2.c # block/qcow2.c
qcow2_writev_start_req(void *co, int64_t sector, int nb_sectors) "co %p sector %" PRIx64 " nb_sectors %d" qcow2_writev_start_req(void *co, int64_t sector, int nb_sectors) "co %p sector %" PRIx64 " nb_sectors %d"

2
vl.c
View File

@ -1837,6 +1837,8 @@ void qemu_register_suspend_notifier(Notifier *notifier)
void qemu_system_wakeup_request(WakeupReason reason) void qemu_system_wakeup_request(WakeupReason reason)
{ {
trace_system_wakeup_request(reason);
if (!runstate_check(RUN_STATE_SUSPENDED)) { if (!runstate_check(RUN_STATE_SUSPENDED)) {
return; return;
} }