From patchwork Tue Jan 3 16:20:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: James Clark X-Patchwork-Id: 3507 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a5d:4e01:0:0:0:0:0 with SMTP id p1csp4703737wrt; Tue, 3 Jan 2023 08:23:00 -0800 (PST) X-Google-Smtp-Source: AMrXdXvDIlFTONl0jFa6ySNgpLTFpHdfjpU02Tx7K2H36t46h3F17uqCLGZ6Gxr21lM3Myz4UFMY X-Received: by 2002:a05:6a20:2d22:b0:b0:30d8:d48 with SMTP id g34-20020a056a202d2200b000b030d80d48mr58101936pzl.42.1672762980679; Tue, 03 Jan 2023 08:23:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1672762980; cv=none; d=google.com; s=arc-20160816; b=MPFN1V+ndB4j2jluV98CuQhxnYQujcwKQGZThcxsDPFkdFsj4opxTJDxOaWlu9OrZ7 l/fulYUDPXeYH6X/HO/sWR+QTHM57wfh8YL1CPnxvnmrEg91+k7ooiQt+P3AlRaw27sD 19ESMQ451+8g9+LnQeb/sO3xuWl/HXPB1a00wUIG7ew/q13BKRmdnM5W33uEfHWuDCMo TSWOQ+H+dVKYMXZQr3krmvYgbhEUSvUaX3TBfJBw7UkZFj8qjFsu1cesw8d1IFLawH2r 87+f1sQAObe/gel46iu+KM8AutdfD6Il+vvxL7jbCJr7mgwQbSRKsJKnjjZ31W9TpkH9 iS+A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=PtLKJhAX7YmYJ3Yh18IrjboasmyokVOrRI7fcZbFNcQ=; b=ul1k8PdY5CNTCmglWPrHhrBcnm8AtOkZ7iv4Xe56TIUVDRI4yQbLv0A9Ra7JqbOIOO A1LIPRGGRo9McE+UdnijTdgO1zqSzKWOzyrrf6wWQaO9Xo8eFxQdQ57Vbei9ZzzCuRsI tUMFE/HNuW5KZcTyz7U/QwmxpeZ2WycLo+BS0eEMHyhpD5fCU1rXz2sRscbmBmi84B8c LK/bnD3J6fpJSl/bkNZp8zA0L8G1T9iD3Ne8M59QOdDq0eV2Sg+vylaLgsogJsQtm0lW ziUqKwy9v04uJjeyGzgig2q+QkdKL0v6kr4bZ5/0YLOsY/dgA3Nl1MKRJTgqZ2RvbnVy xe2g== ARC-Authentication-Results: i=1; mx.google.com; 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=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id i185-20020a6387c2000000b004609faa2dbesi31881784pge.285.2023.01.03.08.22.48; Tue, 03 Jan 2023 08:23:00 -0800 (PST) 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; 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=fail (p=NONE sp=NONE dis=NONE) header.from=arm.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238115AbjACQWS (ORCPT + 99 others); Tue, 3 Jan 2023 11:22:18 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47642 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238167AbjACQVr (ORCPT ); Tue, 3 Jan 2023 11:21:47 -0500 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 18F1C12D2B; Tue, 3 Jan 2023 08:21:20 -0800 (PST) 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 7EC1D1516; Tue, 3 Jan 2023 08:22:01 -0800 (PST) Received: from e126815.warwick.arm.com (e126815.arm.com [10.32.32.26]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id DC4F43F71A; Tue, 3 Jan 2023 08:21:16 -0800 (PST) From: James Clark To: linux-perf-users@vger.kernel.org, tanmay@marvell.com, leo.yan@linaro.org, mike.leach@linaro.org Cc: sgoutham@marvell.com, gcherian@marvell.com, lcherian@marvell.com, bbhushan2@marvell.com, James Clark , Mathieu Poirier , Suzuki K Poulose , John Garry , Will Deacon , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 0/7] perf cs_etm: Basic support for virtual/kernel timestamps Date: Tue, 3 Jan 2023 16:20:34 +0000 Message-Id: <20230103162042.423694-1-james.clark@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE autolearn=ham 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: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1754019115380850634?= X-GMAIL-MSGID: =?utf-8?q?1754019115380850634?= Changes since v2: * Remove const to non-const change and copy strings where needed instead. * Use sizeof() instead of PATH_MAX * Append "will not be set accurately." to new error message * Remove unneeded stat() call * Rebase on perf/core ========================== Changes since v1: * Add 3 refactor commits for sysfs reading around pmu.c as suggested by Arnaldo here [1] * The dependency on [2] has now reached mainline so is no longer blocking * Rebase on perf/core [1]: https://lore.kernel.org/all/YnqVqq5QW%2Fb14oPZ@kernel.org/ [2]: https://lore.kernel.org/all/20220503123537.1003035-1-german.gomez@arm.com/ German Gomez (4): perf pmu: Add function to check if a pmu file exists perf cs_etm: Keep separate symbols for ETMv4 and ETE parameters perf cs_etm: Record ts_source in AUXTRACE_INFO for ETMv4 and ETE perf cs_etm: Set the time field in the synthetic samples James Clark (3): perf: Remove duplication around EVENT_SOURCE_DEVICE_PATH perf: Use perf_pmu__open_file() and perf_pmu__scan_file() perf: Remove remaining duplication of bus/event_source/devices/... tools/perf/arch/arm/util/auxtrace.c | 5 +- tools/perf/arch/arm/util/cs-etm.c | 91 ++++++++++++-- tools/perf/arch/x86/util/pmu.c | 12 +- tools/perf/util/cputopo.c | 9 +- tools/perf/util/cs-etm-base.c | 34 ++++-- tools/perf/util/cs-etm.c | 86 ++++++++++++-- tools/perf/util/cs-etm.h | 13 +- tools/perf/util/pmu-hybrid.c | 27 +---- tools/perf/util/pmu.c | 177 +++++++++++----------------- tools/perf/util/pmu.h | 10 +- 10 files changed, 284 insertions(+), 180 deletions(-) base-commit: 09e6f9f98370be9a9f8978139e0eb1be87d1125f Tested-by: Tanmay Jagdale