perf tools: Add flex support for parse_events_error

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Allowing flex parser to report back event parsing error, like:

  $ perf record -e cycles,cache-mises ls
  event syntax error: '..es,cache-mises'
                                 \___ parser error
  ...

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
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/1429729824-13932-3-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 21:10:17 +02:00 • committed by Arnaldo Carvalho de Melo

parent b39b839309

commit 6297d42372

3 changed files with 37 additions and 8 deletions

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1

tools/perf/util/parse-events.h

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37

tools/perf/util/parse-events.l

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7

tools/perf/util/parse-events.y

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