From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754047AbdBNUFY (ORCPT ); Tue, 14 Feb 2017 15:05:24 -0500 Received: from mail.kernel.org ([198.145.29.136]:60760 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752009AbdBNUFR (ORCPT ); Tue, 14 Feb 2017 15:05:17 -0500 Date: Tue, 14 Feb 2017 15:05:12 -0500 From: Steven Rostedt To: Luiz Capitulino Cc: linux-kernel@vger.kernel.org Subject: Re: [PATCH] tracing: hwlat: update old comment Message-ID: <20170214150512.2f0b376e@gandalf.local.home> In-Reply-To: <20170213122517.6e211955@redhat.com> References: <20170213122517.6e211955@redhat.com> X-Mailer: Claws Mail 3.14.0 (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 13 Feb 2017 12:25:17 -0500 Luiz Capitulino wrote: > The ftrace hwlat does support a cpumask. > > Signed-off-by: Luiz Capitulino Thanks! Applied. -- Steve > --- > 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) > {