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=-12.5 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham 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 3AFDCC433DB for ; Mon, 11 Jan 2021 09:56:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DE4C222AEC for ; Mon, 11 Jan 2021 09:56:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728765AbhAKJ4P (ORCPT ); Mon, 11 Jan 2021 04:56:15 -0500 Received: from foss.arm.com ([217.140.110.172]:51914 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728669AbhAKJ4P (ORCPT ); Mon, 11 Jan 2021 04:56:15 -0500 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 9212B101E; Mon, 11 Jan 2021 01:55:29 -0800 (PST) Received: from [10.57.39.145] (unknown [10.57.39.145]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id F375B3F70D; Mon, 11 Jan 2021 01:55:25 -0800 (PST) Subject: Re: [PATCH v1 6/7] perf cs-etm: Add helper cs_etm__get_pid_fmt() To: Leo Yan , Arnaldo Carvalho de Melo , Mathieu Poirier , Mike Leach , Alexander Shishkin , John Garry , Will Deacon , Peter Zijlstra , Ingo Molnar , Mark Rutland , Jiri Olsa , Namhyung Kim , Daniel Kiss , Denis Nikitin , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20210109074435.626855-1-leo.yan@linaro.org> <20210109074435.626855-7-leo.yan@linaro.org> From: Suzuki K Poulose Message-ID: <60d2c6b5-4465-188b-f4be-a762e2d57510@arm.com> Date: Mon, 11 Jan 2021 09:55:16 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 MIME-Version: 1.0 In-Reply-To: <20210109074435.626855-7-leo.yan@linaro.org> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-GB Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 1/9/21 7:44 AM, Leo Yan wrote: > This patch adds helper function cs_etm__get_pid_fmt(), by passing > parameter "traceID", it returns the corresponding PID format. > > Signed-off-by: Leo Yan Acked-by: Suzuki K Poulose > --- > tools/perf/util/cs-etm.c | 18 ++++++++++++++++++ > tools/perf/util/cs-etm.h | 1 + > 2 files changed, 19 insertions(+) > > diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c > index 8c125134a756..6705d39c8cee 100644 > --- a/tools/perf/util/cs-etm.c > +++ b/tools/perf/util/cs-etm.c > @@ -157,6 +157,24 @@ int cs_etm__get_cpu(u8 trace_chan_id, int *cpu) > return 0; > } > > +int cs_etm__get_pid_fmt(u8 trace_chan_id, u64 *pid_fmt) > +{ > + struct int_node *inode; > + u64 *metadata; > + > + inode = intlist__find(traceid_list, trace_chan_id); > + if (!inode) > + return -EINVAL; > + > + metadata = inode->priv; > + if (metadata[CS_ETM_MAGIC] == __perf_cs_etmv3_magic) > + *pid_fmt = metadata[CS_ETM_PID_FMT]; > + else > + *pid_fmt = metadata[CS_ETMV4_PID_FMT]; > + > + return 0; > +} > + > void cs_etm__etmq_set_traceid_queue_timestamp(struct cs_etm_queue *etmq, > u8 trace_chan_id) > { > diff --git a/tools/perf/util/cs-etm.h b/tools/perf/util/cs-etm.h > index 8cbbea6100a1..98801040175f 100644 > --- a/tools/perf/util/cs-etm.h > +++ b/tools/perf/util/cs-etm.h > @@ -175,6 +175,7 @@ struct cs_etm_packet_queue { > int cs_etm__process_auxtrace_info(union perf_event *event, > struct perf_session *session); > int cs_etm__get_cpu(u8 trace_chan_id, int *cpu); > +int cs_etm__get_pid_fmt(u8 trace_chan_id, u64 *pid_fmt); > int cs_etm__etmq_set_tid(struct cs_etm_queue *etmq, > pid_t tid, u8 trace_chan_id); > bool cs_etm__etmq_is_timeless(struct cs_etm_queue *etmq); >