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authorTom Zanussi <tom.zanussi@linux.intel.com>2016-03-03 12:54:57 -0600
committerSteven Rostedt <rostedt@goodmis.org>2016-04-19 18:55:59 -0400
commit52a7f16dedff8f23d03df3ea556dec95b92a5801 (patch)
treee4e28a79febc08611252bf5c694227a5144a7609 /kernel/trace/trace_events_trigger.c
parent0fc3813ce1036b57598ee5cdcf891f8a19581654 (diff)
downloadlinux-52a7f16dedff8f23d03df3ea556dec95b92a5801.tar.bz2
tracing: Add support for multiple hist triggers per event
Allow users to define any number of hist triggers per trace event. Any number of hist triggers may be added for a given event, which may differ by key, value, or filter. Reading the event's 'hist' file will display the output of all the hist triggers defined on an event concatenated in the order they were defined. Link: http://lkml.kernel.org/r/48a0c8dd34c344571de880fb35e211c6d9a28961.1457029949.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>
Diffstat (limited to 'kernel/trace/trace_events_trigger.c')
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