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[2620:137:e000::1:20]) by mx.google.com with ESMTP id o19-20020a50fd93000000b0042df4ea0c4asi24496847edt.560.2022.06.09.22.20.38; Thu, 09 Jun 2022 22:21:07 -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; 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 S1346317AbiFJDwF (ORCPT + 99 others); Thu, 9 Jun 2022 23:52:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45424 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346310AbiFJDwA (ORCPT ); Thu, 9 Jun 2022 23:52:00 -0400 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 9EDFF38C084; Thu, 9 Jun 2022 20:51:59 -0700 (PDT) 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 85D841692; Thu, 9 Jun 2022 20:51:59 -0700 (PDT) Received: from a077893.blr.arm.com (unknown [10.162.42.8]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 8DD283F766; Thu, 9 Jun 2022 20:51:54 -0700 (PDT) From: Anshuman Khandual To: linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, peterz@infradead.org, alexander.shishkin@linux.intel.com, jolsa@redhat.com, acme@kernel.org Cc: Anshuman Khandual , Robin Murphy , Suzuki Poulose , James Clark , Ingo Molnar , Mark Rutland , Namhyung Kim , Thomas Gleixner , Will Deacon , linux-arm-kernel@lists.infradead.org Subject: [PATCH V6 8/8] perf/tools: Add PERF_BR_NEW_ARCH_[N] map for BRBE on arm64 platform Date: Fri, 10 Jun 2022 09:21:01 +0530 Message-Id: <20220610035101.424112-9-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220610035101.424112-1-anshuman.khandual@arm.com> References: <20220610035101.424112-1-anshuman.khandual@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE 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 This updates the perf tool with arch specific branch type classification used for BRBE on arm64 platform as added in the kernel earlier. Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Arnaldo Carvalho de Melo Cc: Mark Rutland Cc: Alexander Shishkin Cc: Jiri Olsa Cc: Namhyung Kim Cc: Thomas Gleixner Cc: Will Deacon Cc: linux-arm-kernel@lists.infradead.org Cc: linux-perf-users@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- tools/include/uapi/linux/perf_event.h | 6 ++++++ tools/perf/util/branch.c | 13 +++++++++++++ 2 files changed, 19 insertions(+) diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h index 193dba2ecdc1..4cf1c8e22cab 100644 --- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -282,6 +282,12 @@ enum { PERF_BR_PRIV_HV = 3, }; +#define PERF_BR_ARM64_FIQ PERF_BR_NEW_ARCH_1 +#define PERF_BR_ARM64_DEBUG_HALT PERF_BR_NEW_ARCH_2 +#define PERF_BR_ARM64_DEBUG_EXIT PERF_BR_NEW_ARCH_3 +#define PERF_BR_ARM64_DEBUG_INST PERF_BR_NEW_ARCH_4 +#define PERF_BR_ARM64_DEBUG_DATA PERF_BR_NEW_ARCH_5 + #define PERF_SAMPLE_BRANCH_PLM_ALL \ (PERF_SAMPLE_BRANCH_USER|\ PERF_SAMPLE_BRANCH_KERNEL|\ diff --git a/tools/perf/util/branch.c b/tools/perf/util/branch.c index 6d962b0a4532..d40776c44b06 100644 --- a/tools/perf/util/branch.c +++ b/tools/perf/util/branch.c @@ -45,11 +45,24 @@ const char *branch_new_type_name(int new_type) "FAULT_ALGN", "FAULT_DATA", "FAULT_INST", +/* + * TODO: This switch should happen on 'session->header.env.arch' + * instead, because an arm64 platform perf recording could be + * opened for analysis on other platforms as well. + */ +#ifdef __aarch64__ + "ARM64_FIQ", + "ARM64_DEBUG_HALT", + "ARM64_DEBUG_EXIT", + "ARM64_DEBUG_INST", + "ARM64_DEBUG_DATA" +#else "ARCH_1", "ARCH_2", "ARCH_3", "ARCH_4", "ARCH_5" +#endif }; if (new_type >= 0 && new_type < PERF_BR_NEW_MAX) -- 2.25.1