Messages in this thread Patch in this message | | | Date | Mon, 13 Feb 2017 12:25:17 -0500 | From | Luiz Capitulino <> | Subject | [PATCH] tracing: hwlat: update old comment |
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The ftrace hwlat does support a cpumask.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> --- kernel/trace/trace_hwlat.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
diff --git a/kernel/trace/trace_hwlat.c b/kernel/trace/trace_hwlat.c index af344a1b..1199fe1 100644 --- a/kernel/trace/trace_hwlat.c +++ b/kernel/trace/trace_hwlat.c @@ -322,10 +322,7 @@ static void move_to_next_cpu(bool initmask) * 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) { -- 2.5.5
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