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| author | Namhyung Kim <namhyung@kernel.org> | 2016-02-16 23:08:26 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-02-19 19:17:50 -0300 |
| commit | 5b2ea6f2f6ac81a230e6cc68e1473e796a583f00 (patch) | |
| tree | b0a0ae60b4cbcfcc88191cd8dd866a6cae1ab09a /tools/perf/builtin-report.c | |
| parent | bba58cdfaace2eb96d2b3cabc610d2ba033371c8 (diff) | |
| download | linux-5b2ea6f2f6ac81a230e6cc68e1473e796a583f00.tar.gz linux-5b2ea6f2f6ac81a230e6cc68e1473e796a583f00.tar.bz2 linux-5b2ea6f2f6ac81a230e6cc68e1473e796a583f00.zip | |
perf report: Check error during report__collapse_hists()
If it returns an error, warn user and bail out instead of silently
ignoring it.
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/1455631723-17345-9-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-report.c')
| -rw-r--r-- | tools/perf/builtin-report.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 1eab50ac1ef6..760e886ca9d9 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -469,10 +469,11 @@ static int report__browse_hists(struct report *rep) return ret; } -static void report__collapse_hists(struct report *rep) +static int report__collapse_hists(struct report *rep) { struct ui_progress prog; struct perf_evsel *pos; + int ret = 0; ui_progress__init(&prog, rep->nr_entries, "Merging related events..."); @@ -484,7 +485,9 @@ static void report__collapse_hists(struct report *rep) hists->socket_filter = rep->socket_filter; - hists__collapse_resort(hists, &prog); + ret = hists__collapse_resort(hists, &prog); + if (ret < 0) + break; /* Non-group events are considered as leader */ if (symbol_conf.event_group && @@ -497,6 +500,7 @@ static void report__collapse_hists(struct report *rep) } ui_progress__finish(); + return ret; } static void report__output_resort(struct report *rep) @@ -564,7 +568,11 @@ static int __cmd_report(struct report *rep) } } - report__collapse_hists(rep); + ret = report__collapse_hists(rep); + if (ret) { + ui__error("failed to process hist entry\n"); + return ret; + } if (session_done()) return 0; |