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perf callchain: Remove unnecessary validation

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Now that the sample parsing correctly checks data sizes there is no
reason for it to be done again for callchains.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
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/1377591794-30553-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2013-08-27 11:23:05 +03:00 • committed by Arnaldo Carvalho de Melo
parent 03b6ea9b91
commit 07940293ba
3 changed files with 0 additions and 33 deletions
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20
tools/perf/util/session.c
View file

@ -997,22 +997,6 @@ static int perf_session_deliver_event(struct perf_session *session,
}
}
static int perf_session__preprocess_sample(struct perf_session *session,
union perf_event *event, struct perf_sample *sample)
{
if (event->header.type != PERF_RECORD_SAMPLE ||
!(perf_evlist__sample_type(session->evlist) & PERF_SAMPLE_CALLCHAIN))
return 0;
if (!ip_callchain__valid(sample->callchain, event)) {
pr_debug("call-chain problem with event, skipping it.\n");
++session->stats.nr_invalid_chains;
session->stats.total_invalid_chains += sample->period;
return -EINVAL;
}
return 0;
}
static int perf_session__process_user_event(struct perf_session *session, union perf_event *event,
struct perf_tool *tool, u64 file_offset)
{
@ -1075,10 +1059,6 @@ static int perf_session__process_event(struct perf_session *session,
if (ret)
return ret;
/* Preprocess sample records - precheck callchains */
if (perf_session__preprocess_sample(session, event, &sample))
return 0;
if (tool->ordered_samples) {
ret = perf_session_queue_event(session, event, &sample,
file_offset);