diff options
| author |   Dongsheng Yang <yangds.fnst@cn.fujitsu.com> | 2013-12-20 15:52:59 -0500 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-23 16:49:50 -0300 |
| commit | f5db57c4c47f3985dfc677152e25636a3401fa13 (patch) | |
| tree | 81da5bd51b3a6c7fb72fae902a049d8565c4c15c /tools/perf/util/event.c | |
| parent | perf tools: Set event->header.misc to PERF_RECORD_MISC_GUEST_USER if machine is guest. (diff) | |
| download | linux-dev-f5db57c4c47f3985dfc677152e25636a3401fa13.tar.xz linux-dev-f5db57c4c47f3985dfc677152e25636a3401fa13.zip | |
perf tools: Use machine->pid for tgid if machine is guest.
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.fnst@cn.fujitsu.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Link: http://lkml.kernel.org/r/22455abe107c618a361e7b667ad0f098f7c9b4a3.1387572416.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/event.c')
| -rw-r--r-- | tools/perf/util/event.c | 8 |
1 files 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; |