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| author | Adrian Hunter <adrian.hunter@intel.com> | 2014-07-31 09:00:59 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-13 19:21:53 -0300 |
| commit | 98526ee7229be8537373aebe037b74cac112d84b (patch) | |
| tree | a68949723c6c66d00f9ddce7b9e6d3490c0ca55a | |
| parent | 5a52f33adf02a3e5eafdc1e597a3fe172e620bec (diff) | |
| download | op-kernel-dev-98526ee7229be8537373aebe037b74cac112d84b.zip op-kernel-dev-98526ee7229be8537373aebe037b74cac112d84b.tar.gz | |
perf script: Allow callchains if any event samples them
perf script was not displaying callchains if any selected event did not
have PERF_SAMPLE_CALLCHAIN.
Change this to disable callchains only if all selected events do not
have PERF_SAMPLE_CALLCHAIN.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1406786474-9306-17-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
| -rw-r--r-- | tools/perf/builtin-script.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 37d2b60..c1b7029 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -184,10 +184,6 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, if (perf_evsel__check_stype(evsel, PERF_SAMPLE_IP, "IP", PERF_OUTPUT_IP)) return -EINVAL; - - if (!no_callchain && - !(attr->sample_type & PERF_SAMPLE_CALLCHAIN)) - symbol_conf.use_callchain = false; } if (PRINT_FIELD(ADDR) && @@ -290,6 +286,19 @@ static int perf_session__check_output_opt(struct perf_session *session) set_print_ip_opts(&evsel->attr); } + if (!no_callchain) { + bool use_callchain = false; + + evlist__for_each(session->evlist, evsel) { + if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) { + use_callchain = true; + break; + } + } + if (!use_callchain) + symbol_conf.use_callchain = false; + } + /* * set default for tracepoints to print symbols only * if callchains are present |
