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perf auxtrace: Add helpers for AUX area tracing errors

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Add functions to synthesize, count and print AUX area tracing error
events.

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: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1428594864-29309-11-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter
2015-04-09 18:53:50 +03:00
committed by Arnaldo Carvalho de Melo
parent f6986c95af
commit 85ed47299e
4 changed files with 104 additions and 0 deletions
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3
tools/perf/util/session.c
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@@ -1093,6 +1093,7 @@ static s64 perf_session__process_user_event(struct perf_session *session,
lseek(fd, file_offset + event->header.size, SEEK_SET);
return tool->auxtrace(tool, event, session);
case PERF_RECORD_AUXTRACE_ERROR:
perf_session__auxtrace_error_inc(session, event);
return tool->auxtrace_error(tool, event, session);
default:
return -EINVAL;
@@ -1282,6 +1283,8 @@ static void perf_session__warn_about_errors(const struct perf_session *session)
if (oe->nr_unordered_events != 0)
ui__warning("%u out of order events recorded.\n", oe->nr_unordered_events);
events_stats__auxtrace_error_warn(stats);
}
volatile int session_done;