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authorNamhyung Kim <namhyung.kim@lge.com>2012-05-16 18:45:49 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-05-17 12:32:54 -0300
commitd1cb9fce92c41454bd594fb0920575fc63301878 (patch)
tree02b1c6b97504b2ba3a2a8f3e33bbb651bb6e98e2 /tools/perf/builtin-record.c
parent879d77d0cbe20ad1d6099a1e16f03b72c0649828 (diff)
downloadtalos-op-linux-d1cb9fce92c41454bd594fb0920575fc63301878.tar.gz
talos-op-linux-d1cb9fce92c41454bd594fb0920575fc63301878.zip
perf target: Add uses_mmap field
If perf doesn't mmap on event (like perf stat), it should not create per-task-per-cpu events. So just use a dummy cpu map to create a per-task event for this case. Signed-off-by: Namhyung Kim <namhyung.kim@lge.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1337161549-9870-3-git-send-email-namhyung.kim@lge.com [ committer note: renamed .need_mmap to .uses_mmap ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
-rw-r--r--tools/perf/builtin-record.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index d19058a7b84c..8a3dfac161e2 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -754,6 +754,9 @@ static struct perf_record record = {
.user_freq = UINT_MAX,
.user_interval = ULLONG_MAX,
.freq = 1000,
+ .target = {
+ .uses_mmap = true,
+ },
},
.write_mode = WRITE_FORCE,
.file_new = true,
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