Expected to have missing events for each vcpu when perf is started. After that should not have missing events.
Signed-off-by: David Ahern <[email protected]> Cc: Arnaldo Carvalho de Melo <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Frederic Weisbecker <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Namhyung Kim <[email protected]> Cc: Xiao Guangrong <[email protected]> Cc: Runzhen Wang <[email protected]> --- 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 28afc05d..41dd25a 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
