Messages in this thread Patch in this message | | | Date | Thu, 7 Jun 2018 01:16:29 -0700 | From | tip-bot for Arnaldo Carvalho de Melo <> | Subject | [tip:perf/urgent] perf hists: Introduce hist_entry__has_callchain() method |
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Commit-ID: 0b5d6ece5e6a8b45c4ebbaaf831675b5b605850f Gitweb: https://git.kernel.org/tip/0b5d6ece5e6a8b45c4ebbaaf831675b5b605850f Author: Arnaldo Carvalho de Melo <acme@redhat.com> AuthorDate: Tue, 29 May 2018 13:28:24 -0300 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Wed, 6 Jun 2018 12:51:46 -0300
perf hists: Introduce hist_entry__has_callchain() method
We'll use this helper more frequently when reworking symbol_conf.use_callchain logic, where knowing if a hist_entry has callchains is the important bit, so make going from hist_entry to hists to evsel easier, compact.
Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Wang Nan <wangnan0@huawei.com> Link: https://lkml.kernel.org/n/tip-p6gioxkzpkpz71dtt4wcs36o@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/util/sort.h | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index f007a26d6f6d..1a046157bfef 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -151,6 +151,12 @@ struct hist_entry { struct callchain_root callchain[0]; /* must be last member */ }; +static __pure inline bool hist_entry__has_callchains(struct hist_entry *he) +{ + const struct perf_evsel *evsel = hists_to_evsel(he->hists); + return evsel__has_callchain(evsel); +} + static inline bool hist_entry__has_pairs(struct hist_entry *he) { return !list_empty(&he->pairs.node);
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