tree e4e28a79febc08611252bf5c694227a5144a7609
parent 0fc3813ce1036b57598ee5cdcf891f8a19581654
author Tom Zanussi <tom.zanussi@linux.intel.com> 1457031297 -0600
committer Steven Rostedt <rostedt@goodmis.org> 1461106559 -0400

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>