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Commit 8e0f1142 authored by Luiz Capitulino's avatar Luiz Capitulino Committed by Steven Rostedt (VMware)
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tracing/hwlat: Update old comment about migration 

The ftrace hwlat does support a cpumask.

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



Signed-off-by: default avatarLuiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: default avatarSteven Rostedt (VMware) <rostedt@goodmis.org>
parent 8a58a34b

kernel/trace/trace_hwlat.c

+1 −4
Original line number Diff line number Diff line
@@ -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)

{