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perf trace: Make --event honour --min-stack too

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Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Milian Wolff <milian.wolff@kdab.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-shj0fazntmskhjild5i6x73l@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2016-04-20 19:55:48 -03:00
parent e557b674a9
commit 7ad3561595
1 changed files with 16 additions and 5 deletions
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21
tools/perf/builtin-trace.c
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@ -2126,6 +2126,17 @@ static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel,
union perf_event *event __maybe_unused, union perf_event *event __maybe_unused,
struct perf_sample *sample) struct perf_sample *sample)
{ {
int callchain_ret = 0;
if (sample->callchain) {
callchain_ret = trace__resolve_callchain(trace, evsel, sample, &callchain_cursor);
if (callchain_ret == 0) {
if (callchain_cursor.nr < trace->min_stack)
goto out;
callchain_ret = 1;
}
}
trace__printf_interrupted_entry(trace, sample); trace__printf_interrupted_entry(trace, sample);
trace__fprintf_tstamp(trace, sample->time, trace->output); trace__fprintf_tstamp(trace, sample->time, trace->output);
@ -2144,11 +2155,11 @@ static int trace__event_handler(struct trace *trace, struct perf_evsel *evsel,
fprintf(trace->output, ")\n"); fprintf(trace->output, ")\n");
if (sample->callchain) { if (callchain_ret > 0)
if (trace__resolve_callchain(trace, evsel, sample, &callchain_cursor) == 0) trace__fprintf_callchain(trace, sample);
trace__fprintf_callchain(trace, sample); else if (callchain_ret < 0)
} pr_err("Problem processing %s callchain, skipping...\n", perf_evsel__name(evsel));
out:
return 0; return 0;
} }