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perf tools: Fix lost and unknown events handling

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Fix it by explaining what can be happening and giving the number of processed
and lost events.

Also holler if unknown events were found, that can be due to processing a
perf.data file collected using a newer tool where newer events got added on
reporting using an older perf tool, that or a bug, so ask for a report to be
made.

Works on both --tui and --stdio.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2010-11-27 02:41:01 -02:00
parent 008f29d386
commit 068ffaa8bf
4 changed files with 46 additions and 1 deletions
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2
tools/perf/util/debug.h
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@ -35,4 +35,6 @@ int ui_helpline__show_help(const char *format, va_list ap);
#include "ui/progress.h"
#endif
void ui__warning(const char *format, ...) __attribute__((format(printf, 1, 2)));
#endif /* __PERF_DEBUG_H */