From: Dongsheng Yang <yangds.f...@cn.fujitsu.com> When we synthesize an comm event, if machine is guest, we should use the pid of machine as the event->comm.pid, rather than tgid of thread.
Signed-off-by: Dongsheng Yang <yangds.f...@cn.fujitsu.com> Cc: David Ahern <dsah...@gmail.com> Cc: Ingo Molnar <mi...@kernel.org> Cc: Jiri Olsa <jo...@redhat.com> Cc: Namhyung Kim <namhyung....@lge.com> Link: http://lkml.kernel.org/r/22455abe107c618a361e7b667ad0f098f7c9b4a3.1387572416.git.yangds.f...@cn.fujitsu.com Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/event.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 07c07833de53..2905771a1f49 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -106,8 +106,12 @@ static pid_t perf_event__synthesize_comm(struct perf_tool *tool, memset(&event->comm, 0, sizeof(event->comm)); - tgid = perf_event__get_comm_tgid(pid, event->comm.comm, - sizeof(event->comm.comm)); + if (machine__is_host(machine)) + tgid = perf_event__get_comm_tgid(pid, event->comm.comm, + sizeof(event->comm.comm)); + else + tgid = machine->pid; + if (tgid < 0) goto out; -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/