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authorNamhyung Kim <namhyung@kernel.org>2016-02-16 17:08:25 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-02-20 01:16:06 +0300
commitbba58cdfaace2eb96d2b3cabc610d2ba033371c8 (patch)
treed231cfe09976a0b60bbb98d5942ef0d65f8dacb1 /tools/perf/util/hist.h
parentdca0d122e498c054b117bd4aa5568ce90ee142d5 (diff)
downloadlinux-bba58cdfaace2eb96d2b3cabc610d2ba033371c8.tar.xz
perf hists: Return error from hists__collapse_resort()
Currently hists__collapse_resort() and hists__collapse_insert_entry() don't return an error code. Now that callchain_merge() can check for errors, abort and pass the error to the user. A later patch can add more work which also can fail. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andi Kleen <andi@firstfloor.org> Cc: David Ahern <dsahern@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/r/1455631723-17345-8-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/hist.h')
-rw-r--r--tools/perf/util/hist.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 045a9e785a34..97baa1d6ae5f 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -138,7 +138,7 @@ void hist_entry__delete(struct hist_entry *he);
void perf_evsel__output_resort(struct perf_evsel *evsel, struct ui_progress *prog);
void hists__output_resort(struct hists *hists, struct ui_progress *prog);
-void hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
+int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
void hists__delete_entries(struct hists *hists);
@@ -197,7 +197,7 @@ int hists__init(void);
int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
struct rb_root *hists__get_rotate_entries_in(struct hists *hists);
-bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
+int hists__collapse_insert_entry(struct hists *hists,
struct rb_root *root, struct hist_entry *he);
struct perf_hpp {