perf tools: Set event->header.misc to PERF_RECORD_MISC_GUEST_USER if machine is guest.

When we synthesize the mmap events of user space, if machine is guest,
we should set the event->header.misc to PERF_RECORD_MISC_GUEST_USER,
rather than PERF_RECORD_MISC_USER.

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/e6f8ff6505d2db8a4b21bff8e448bb9be0bcff35.1387572416.git.yangds.fnst@cn.fujitsu.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index a61726e..07c0783 100644 (file)
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -220,7 +220,10 @@ static int perf_event__synthesize_mmap_events(struct perf_tool *tool,
                /*
                 * Just like the kernel, see __perf_event_mmap in kernel/perf_event.c
                 */
-               event->header.misc = PERF_RECORD_MISC_USER;
+               if (machine__is_host(machine))
+                       event->header.misc = PERF_RECORD_MISC_USER;
+               else
+                       event->header.misc = PERF_RECORD_MISC_GUEST_USER;
 
                if (prot[2] != 'x') {
                        if (!mmap_data || prot[0] != 'r')