From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 46AB2C43461 for ; Mon, 14 Sep 2020 23:25:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0860E20771 for ; Mon, 14 Sep 2020 23:25:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="QRoGXamJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725997AbgINXZ2 (ORCPT ); Mon, 14 Sep 2020 19:25:28 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:18528 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725953AbgINXZY (ORCPT ); Mon, 14 Sep 2020 19:25:24 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1600125924; h=In-Reply-To: Content-Type: MIME-Version: References: Message-ID: Subject: Cc: To: From: Date: Sender; bh=i0McWH3ChhVD51TjTlBQAsRufyXydsyKQ1IxlVdDtwk=; b=QRoGXamJqM4dRCHbLLahQWEIelJHp/mA3hx4dzNUhSAJnXIf/o34kCoVw2MHXa0bENWCSf+S /YFwYqTdlu95z+qJK1puWKmeT2tQgTNvRpuwIT7JTvwR9ejHQFtlAkUVpviVqQNlOhE5e2Xc Mz/wXFmXn5M1l5v/xx7ok42S11w= X-Mailgun-Sending-Ip: 104.130.122.29 X-Mailgun-Sid: WyI0MWYwYSIsICJsaW51eC1rZXJuZWxAdmdlci5rZXJuZWwub3JnIiwgImJlOWU0YSJd Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by smtp-out-n02.prod.us-west-2.postgun.com with SMTP id 5f5ffbcb252c522440b80ecb (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 14 Sep 2020 23:24:59 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id 41DFDC433F1; Mon, 14 Sep 2020 23:24:59 +0000 (UTC) Received: from codeaurora.org (unknown [180.166.53.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: tingwei) by smtp.codeaurora.org (Postfix) with ESMTPSA id A802EC433CA; Mon, 14 Sep 2020 23:24:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A802EC433CA Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=fail smtp.mailfrom=tingweiz@codeaurora.org Date: Tue, 15 Sep 2020 07:24:48 +0800 From: Tingwei Zhang To: Steven Rostedt Cc: Tingwei Zhang , Ingo Molnar , Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin , tsoni@codeaurora.org, Sai Prakash Ranjan , Mao Jinlong , linux-kernel@vger.kernel.org, coresight@lists.linaro.org Subject: Re: [PATCH v3 0/6] tracing: export event trace and trace_marker Message-ID: <20200914232448.GA20431@codeaurora.org> References: <20200813014552.23539-1-tingwei@codeaurora.org> <20200901232839.GB13346@codeaurora.org> <20200914184309.7a9de53a@gandalf.local.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200914184309.7a9de53a@gandalf.local.home> User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Sep 15, 2020 at 06:43:09AM +0800, Steven Rostedt wrote: > On Wed, 2 Sep 2020 07:28:39 +0800 > Tingwei Zhang wrote: > > > Hi Alexander, > > > > May I know your comments for this patch set? > > I ran your patch set against get_maintainers.pl and it came up with this: > > Alexander Shishkin (maintainer:SYSTEM > TRACE MODULE CLASS) > Maxime Coquelin (maintainer:ARM/STM32 > ARCHITECTURE) > Alexandre Torgue (maintainer:ARM/STM32 > ARCHITECTURE) > Steven Rostedt (maintainer:TRACING) > Ingo Molnar (maintainer:TRACING) > linux-stm32@st-md-mailman.stormreply.com (moderated list:ARM/STM32 > ARCHITECTURE) > linux-arm-kernel@lists.infradead.org (moderated list:ARM/STM32 > ARCHITECTURE) > linux-kernel@vger.kernel.org (open list) > > I would use that to know who to send to. > > You have Alexander, myself, Ingo and LKML, but you should add the others > in > that list for this series, and then it may get noticed. Please use > get_maintainers.pl for future patches if you don't know who to send them > to. > > -- Steve > Thanks a lot for the detail instructions, Steve. I noticed that after senting previous mail to Alexander. I sent the patchset to maintainers and mail list as you mentioned in https://patchwork.kernel.org/cover/11752107/. Thanks, Tingwei > > > > Thanks, > > Tingwei > > > > On Thu, Aug 13, 2020 at 09:45:46AM +0800, Tingwei Zhang wrote: > > > Ftrace has ability to export trace packets to other destination. > > > Currently, only function trace can be exported. This series extends > the > > > support to event trace and trace_maker. STM is one possible > destination to > > > export ftrace. Use separate channel for each CPU to avoid mixing up > > > packets > > > from different CPUs together. > > > > > > Change from v2: > > > Change flag definition to BIT(). (Steven) > > > Add comment in stm_ftrace_write() to clarify it's safe to use > > > smp_processor_id() here since preempt is disabled. (Steven) > > > > > > Change from v1: > > > All changes are suggested by Steven Rostedt. > > > User separate flag to control function trace, event trace and trace > mark. > > > Allocate channels according to num_possible_cpu() dynamically. > > > Move ftrace_exports routines up so all ftrace can use them. > > > > > > Tingwei Zhang (6): > > > stm class: ftrace: change dependency to TRACING > > > tracing: add flag to control different traces > > > tracing: add trace_export support for event trace > > > tracing: add trace_export support for trace_marker > > > stm class: ftrace: enable supported trace export flag > > > stm class: ftrace: use different channel accroding to CPU > > > > > > drivers/hwtracing/stm/Kconfig | 2 +- > > > drivers/hwtracing/stm/ftrace.c | 7 +- > > > include/linux/trace.h | 7 + > > > kernel/trace/trace.c | 270 > ++++++++++++++++++--------------- > > > 4 files changed, 159 insertions(+), 127 deletions(-) > > > > > > -- > > > The Qualcomm Innovation Center, Inc. is a member of the Code Aurora > Forum, > > > a Linux Foundation Collaborative Project > > > >