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tracing/hwlat: Update old comment about migration
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The ftrace hwlat does support a cpumask.

Link: http://lkml.kernel.org/r/20170213122517.6e211955@redhat.com

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
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Luiz Capitulino authored and Steven Rostedt (VMware) committed Feb 15, 2017
1 parent 8a58a34 commit 8e0f114
Showing 1 changed file with 1 addition and 4 deletions.
5 changes: 1 addition & 4 deletions kernel/trace/trace_hwlat.c
Original file line number Diff line number Diff line change
Expand Up @@ -322,10 +322,7 @@ static void move_to_next_cpu(void)
* need to ensure nothing else might be running (and thus preempting).
* Obviously this should never be used in production environments.
*
* Currently this runs on which ever CPU it was scheduled on, but most
* real-world hardware latency situations occur across several CPUs,
* but we might later generalize this if we find there are any actualy
* systems with alternate SMI delivery or other hardware latencies.
* Executes one loop interaction on each CPU in tracing_cpumask sysfs file.
*/
static int kthread_fn(void *data)
{
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