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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-11-14 11:01:06 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2017-11-28 14:23:43 -0300 |
| commit | 5b0d1cb40698056f3df8ed579dde4b80c6b7508d (patch) | |
| tree | 35bb9d67dad9ace3533c1689b5d98574cb97ead4 /tools | |
| parent | d5c5e46aa7a2b256a526f9ce832ffbf622c3c19a (diff) | |
| download | talos-op-linux-5b0d1cb40698056f3df8ed579dde4b80c6b7508d.tar.gz talos-op-linux-5b0d1cb40698056f3df8ed579dde4b80c6b7508d.zip | |
perf evlist: Add helper to check if attr.exclude_kernel is set in all evsels
The warning about kptr_restrict needs to be emitted only when it is set
and we ask for kernel space samples, so add a helper to help with that.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-fh7drty6yljei9gxxzer6eup@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/evlist.c | 12 | ||||
| -rw-r--r-- | tools/perf/util/evlist.h | 2 |
2 files changed, 14 insertions, 0 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index ccb749f9a83f..b62e523a7035 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1786,3 +1786,15 @@ void perf_evlist__toggle_bkw_mmap(struct perf_evlist *evlist, state_err: return; } + +bool perf_evlist__exclude_kernel(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + + evlist__for_each_entry(evlist, evsel) { + if (!evsel->attr.exclude_kernel) + return false; + } + + return true; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index e72ae64c11ac..491f69542920 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -312,4 +312,6 @@ perf_evlist__find_evsel_by_str(struct perf_evlist *evlist, const char *str); struct perf_evsel *perf_evlist__event2evsel(struct perf_evlist *evlist, union perf_event *event); + +bool perf_evlist__exclude_kernel(struct perf_evlist *evlist); #endif /* __PERF_EVLIST_H */ |
