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perf tools: Add tracepoint support for parse_events_error

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Allowing tracepoint events processing to report back error.

  $ perf record -e 'sched:krava' ls
  event syntax error: 'sched:krava'
                       \___ unknown tracepoint
  ...

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1429729824-13932-9-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-04-22 21:10:23 +02:00 committed by Arnaldo Carvalho de Melo
parent 3b0e371cc0
commit 492d977444
1 changed files with 7 additions and 1 deletions
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8
tools/perf/util/parse-events.y
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@ -388,7 +388,13 @@ PE_NAME ':' PE_NAME
struct list_head *list;
ALLOC_LIST(list);
ABORT_ON(parse_events_add_tracepoint(list, &data->idx, $1, $3));
if (parse_events_add_tracepoint(list, &data->idx, $1, $3)) {
struct parse_events_error *error = data->error;
error->idx = @1.first_column;
error->str = strdup("unknown tracepoint");
return -1;
}
$$ = list;
}