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2 Commits

Author SHA1 Message Date
Steven Rostedt (Red Hat) 0330f7aa8e tracing: Have hwlat trace migrate across tracing_cpumask CPUs 
Instead of having the hwlat detector thread stay on one CPU, have it migrate
across all the CPUs specified by tracing_cpumask. If the user modifies the
thread's CPU affinity, the migration will stop until the next instance that
the tracer is instantiated. The migration happens at the end of each window
(period).

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
 2016-09-02 12:47:54 -04:00
Jon Masters c850ed38db tracing: Add documentation for hwlat_detector tracer 
Added the documentation on how to use th hwlat_detector.

Signed-off-by: Jon Masters <jcm@redhat.com>
[ Various updates and modified to show hwlat as a tracer ]
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
 2016-09-02 12:47:53 -04:00