Message ID | 16e18d61d69073d0192ace07bf61e405cca96e9c.1680104184.git.bristot@kernel.org |
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State | New |
Headers |
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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n15-20020aa7c78f000000b00501c32ce664si27866267eds.325.2023.03.29.08.58.46; Wed, 29 Mar 2023 08:59:11 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b="p1d/75k2"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229849AbjC2Pum (ORCPT <rfc822;rua109.linux@gmail.com> + 99 others); Wed, 29 Mar 2023 11:50:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37476 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230272AbjC2Pub (ORCPT <rfc822;linux-kernel@vger.kernel.org>); Wed, 29 Mar 2023 11:50:31 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 71455469C; Wed, 29 Mar 2023 08:50:30 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id E287C61D84; Wed, 29 Mar 2023 15:50:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E98C3C433EF; Wed, 29 Mar 2023 15:50:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1680105029; bh=2tVl9UGX52wuunDco8JD3qwtKdEDsXFZ5A6RPBCNMuM=; h=From:To:Cc:Subject:Date:From; b=p1d/75k2P1b9x5VEEKcCUXBAF+mJF/l25lthonFZXcGlnBqDARpn491qzTs4UJp7+ gc0x4tMB22H0K1cOnqFTZUDQWukKo/EQAz4PJ6JNMOM5wq5vIwd5PuIjT+dmesn4QL VtUM05QWvhHbEQqKYH9VjzC86mrcf+DeGuh3n0x1EY2cDuxY8I22xZHv5JnklufUgr uvKQzh9NyXdLZ0VQM+nBDrA+OB/+3bPk4nbDwpjUcQzue9Mi/RSk3nyIh5Z5i47Vjh wPJByOH9KEXDhaTw0IClQK8iMB2QcCTlKGb6cl4D9OcUSEEcwbirDB1yErG3FhFlnE c99EhNEjf2+Ng== From: Daniel Bristot de Oliveira <bristot@kernel.org> To: Steven Rostedt <rostedt@goodmis.org> Cc: Daniel Bristot de Oliveira <bristot@kernel.org>, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Masami Hiramatsu <mhiramat@kernel.org> Subject: [PATCH V2 1/2] tracing/timerlat: Notify new max thread latency Date: Wed, 29 Mar 2023 17:50:15 +0200 Message-Id: <16e18d61d69073d0192ace07bf61e405cca96e9c.1680104184.git.bristot@kernel.org> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1761718359129429455?= X-GMAIL-MSGID: =?utf-8?q?1761718359129429455?= |
Series |
[V2,1/2] tracing/timerlat: Notify new max thread latency
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Commit Message
Daniel Bristot de Oliveira
March 29, 2023, 3:50 p.m. UTC
timerlat is not reporting a new tracing_max_latency for the thread
latency. The reason is that it is not calling notify_new_max_latency()
function after the new thread latency is sampled.
Call notify_new_max_latency after computing the thread latency.
Changes from V1:
Split the patch into two patches (Steve)
Fixes: dae181349f1e ("tracing/osnoise: Support a list of trace_array *tr")
Cc: Daniel Bristot de Oliveira <bristot@kernel.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org>
---
kernel/trace/trace_osnoise.c | 2 ++
1 file changed, 2 insertions(+)
Comments
On Wed, 29 Mar 2023 17:50:15 +0200 Daniel Bristot de Oliveira <bristot@kernel.org> wrote: > timerlat is not reporting a new tracing_max_latency for the thread > latency. The reason is that it is not calling notify_new_max_latency() > function after the new thread latency is sampled. > > Call notify_new_max_latency after computing the thread latency. > > Changes from V1: > Split the patch into two patches (Steve) FYI, when doing this, please place the updates below the "---" That way it doesn't automatically end up in the git log, and I have to go back in and remove it. > > Fixes: dae181349f1e ("tracing/osnoise: Support a list of trace_array *tr") > Cc: Daniel Bristot de Oliveira <bristot@kernel.org> > Cc: Steven Rostedt <rostedt@goodmis.org> > Cc: Masami Hiramatsu <mhiramat@kernel.org> > Signed-off-by: Daniel Bristot de Oliveira <bristot@kernel.org> > --- Here, you can add: Changes from V1: https://lore.kernel.org/linux-trace-kernel/c22302a7db3cee6bcabf87462ed22a35dd38690f.1679675521.git.bristot@kernel.org/ Split the patch into two patches (Steve) Notice, that I also added the link to the previous version, so it's easy to find if someone wanted to investigate this series. -- Steve > kernel/trace/trace_osnoise.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c > index 9176bb7a9bb4..e8116094bed8 100644 > --- a/kernel/trace/trace_osnoise.c > +++ b/kernel/trace/trace_osnoise.c > @@ -1738,6 +1738,8 @@ static int timerlat_main(void *data) > > trace_timerlat_sample(&s); > > + notify_new_max_latency(diff); > + > timerlat_dump_stack(time_to_us(diff)); > > tlat->tracing_thread = false;
diff --git a/kernel/trace/trace_osnoise.c b/kernel/trace/trace_osnoise.c index 9176bb7a9bb4..e8116094bed8 100644 --- a/kernel/trace/trace_osnoise.c +++ b/kernel/trace/trace_osnoise.c @@ -1738,6 +1738,8 @@ static int timerlat_main(void *data) trace_timerlat_sample(&s); + notify_new_max_latency(diff); + timerlat_dump_stack(time_to_us(diff)); tlat->tracing_thread = false;