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authorArnaldo Carvalho de Melo <acme@redhat.com>2018-05-29 13:28:24 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2018-06-06 12:51:46 -0300
commit0b5d6ece5e6a8b45c4ebbaaf831675b5b605850f (patch)
tree0e7a9ebf9f996b85dd1623cdb4d85173016e3488 /tools
parent4c50563d818622bb0f99b378b4e6683f189b39fb (diff)
downloadlinux-0b5d6ece5e6a8b45c4ebbaaf831675b5b605850f.tar.bz2
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>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/sort.h6
1 files changed, 6 insertions, 0 deletions
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);