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Date: Tue, 28 Nov 2017 22:32:16 -0800 From: tip-bot for Arnaldo Carvalho de Melo <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: hpa@...or.com, namhyung@...nel.org, linux-kernel@...r.kernel.org, mingo@...nel.org, adrian.hunter@...el.com, acme@...hat.com, torvalds@...ux-foundation.org, jolsa@...nel.org, wangnan0@...wei.com, tglx@...utronix.de, dsahern@...il.com Subject: [tip:perf/core] perf evlist: Add helper to check if attr.exclude_kernel is set in all evsels Commit-ID: 5b0d1cb40698056f3df8ed579dde4b80c6b7508d Gitweb: https://git.kernel.org/tip/5b0d1cb40698056f3df8ed579dde4b80c6b7508d Author: Arnaldo Carvalho de Melo <acme@...hat.com> AuthorDate: Tue, 14 Nov 2017 11:01:06 -0300 Committer: Arnaldo Carvalho de Melo <acme@...hat.com> CommitDate: Tue, 28 Nov 2017 14:23:43 -0300 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@...el.com> Cc: David Ahern <dsahern@...il.com> Cc: Jiri Olsa <jolsa@...nel.org> Cc: Linus Torvalds <torvalds@...ux-foundation.org> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Wang Nan <wangnan0@...wei.com> Link: http://lkml.kernel.org/n/tip-fh7drty6yljei9gxxzer6eup@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- tools/perf/util/evlist.c | 12 ++++++++++++ tools/perf/util/evlist.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index ccb749f..b62e523 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 e72ae64..491f695 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 */
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