Expected to have missing events for each vcpu when perf is
started. After that should not have missing events.
Signed-off-by: David Ahern <dsah...@gmail.com>
Cc: Arnaldo Carvalho de Melo <a...@ghostprotocols.net>
Cc: Ingo Molnar <mi...@kernel.org>
Cc: Frederic Weisbecker <fweis...@gmail.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Namhyung Kim <namhy...@kernel.org>
Cc: Xiao Guangrong <xiaoguangr...@linux.vnet.ibm.com>
Cc: Runzhen Wang <runz...@linux.vnet.ibm.com>
---
tools/perf/builtin-kvm.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c
index c2fede6..76cfe59 100644
--- a/tools/perf/builtin-kvm.c
+++ b/tools/perf/builtin-kvm.c
@@ -568,11 +568,22 @@ static bool handle_kvm_event(struct perf_kvm_stat *kvm,
(kvm->trace_vcpu != vcpu_record->vcpu_id))
return true;
- if (kvm->events_ops->is_begin_event(evsel, sample, &key))
+ if (kvm->events_ops->is_begin_event(evsel, sample, &key)) {
+ if (vcpu_record->start_time) {
+ pr_debug("consecutive begin events (%s) for pid %d,
vcpu %d\n",
+ evsel->name, sample->pid,
vcpu_record->vcpu_id);
+ }
return handle_begin_event(kvm, vcpu_record, &key, sample->time);
+ }
+
- if (kvm->events_ops->is_end_event(evsel, sample, &key))
+ if (kvm->events_ops->is_end_event(evsel, sample, &key)) {
+ if (vcpu_record->start_time == 0) {
+ pr_debug("consecutive end events (%s) for pid %d, vcpu
%d\n",
+ evsel->name, sample->pid,
vcpu_record->vcpu_id);
+ }
return handle_end_event(kvm, vcpu_record, &key, sample);
+ }
return true;
}
--
1.7.10.1
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