tracing: Add hist trigger 'execname' modifier

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Allow users to have common_pid field values displayed as program names
in the output by appending '.execname' to a common_pid field name:

   # echo hist:keys=common_pid.execname ... \
              [ if filter] > event/trigger

Link: http://lkml.kernel.org/r/e172e81f10f5b8d1f08450e3763c850f39fbf698.1457029949.git.tom.zanussi@linux.intel.com

Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Tested-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Reviewed-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

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Tom Zanussi 2016-03-03 12:54:50 -06:00 • committed by Steven Rostedt

parent c6afad49d1

commit 6b4827ad02

2 changed files with 101 additions and 2 deletions

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3

kernel/trace/trace.c

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100

kernel/trace/trace_events_hist.c

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