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

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Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Milian Wolff <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: http://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Arnaldo Carvalho de Melo committed 2016-04-25 12:49:17 -03:00
1 parent e557b674a9
commit 7ad3561595
1 file changed
+16 -5
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tools/perf/builtin-trace.c
+16 -5
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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,
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__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");
if (sample->callchain) {
if (trace__resolve_callchain(trace, evsel, sample, &callchain_cursor) == 0)
trace__fprintf_callchain(trace, sample);
}
if (callchain_ret > 0)
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;
}