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: 13087778 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 96175C46467 for ; Tue, 3 Jan 2023 17:59:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=8O8TCde0hXr46ZYX+5EfLOFsgUADYTvXSEjgYACfSlA=; b=Rjplgi9j96403k ejFWxhLVBfYQiZR8DwPFiQLUBxULKvrxnVAnwW0aJ4cNu9nTCvA6AwZHAQe6bWjcCZzwruFHI1FAh YK9w5nxsDdIU0gfxJC9a+W4Bifw9p4imCXXmJIc0Oxu7mgTE3GnqyMCyRftMM9784STb0gcgD7l3s vulW9kZ5ZOM1E1KqzD1OOuG3NsChSbdG6R8dFumVBIDUBJCtgvguA3XuhIWGRb2F0LrKnjlsmUBA4 U0ut9Ri/zrp6T9zo5UWR/jjsuj/1KAgySMi6rKGmnUdRXxRqXhmjhY8efv0dHrno3lPjPL/e1rl2x MWAPMEwBlfuGlmzYACcQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pClY6-003e9y-FX; Tue, 03 Jan 2023 17:58:07 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1pCk2U-002s88-CL for linux-arm-kernel@lists.infradead.org; Tue, 03 Jan 2023 16:21:24 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230103_082122_528216_8207093D X-CRM114-Status: GOOD ( 10.11 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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