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

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.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e557b674
......@@ -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)
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;
}
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment