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authorArnaldo Carvalho de Melo <acme@redhat.com>2017-11-14 15:01:06 +0100
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-11-28 18:23:43 +0100
commit5b0d1cb40698056f3df8ed579dde4b80c6b7508d (patch)
tree35bb9d67dad9ace3533c1689b5d98574cb97ead4 /tools
parentperf test shell: Fix test case probe libc's inet_pton on s390x (diff)
downloadlinux-5b0d1cb40698056f3df8ed579dde4b80c6b7508d.tar.xz
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.c12
-rw-r--r--tools/perf/util/evlist.h2
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 */