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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E637CC77B7C for ; Tue, 11 Apr 2023 13:05:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230370AbjDKNFN (ORCPT ); Tue, 11 Apr 2023 09:05:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230373AbjDKNE6 (ORCPT ); Tue, 11 Apr 2023 09:04:58 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 85A444691; Tue, 11 Apr 2023 06:04:43 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 068756257C; Tue, 11 Apr 2023 13:04:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 851F9C433EF; Tue, 11 Apr 2023 13:04:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1681218282; bh=tyTIQwVKdX0/WRB75WkZb/RTdecO4q51O68cOhveqHc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oxSzl16mHxwmf+HYhIFVwvsIpW77K1Bcdv28LYHljKkj+q/kYFBlZJMJH+XO41cX3 M8JDOppuX83/32wqcI9OrV0POGJ4VFJzhEV0gljyByHT3LZFdbo1a0QV6rIReYrqel CGJasdD8bZtRIGOenRyeGnPjn0uaW/qAF7w4woDlTBKGQ2gn7QD5qYTom5ZqxH2Rgy zCnQ5BFfvPduLUmenI7cgjBUDY6Kz7uaCW0D9sUQlH9rhXGR5uA6JJ8XxPgyzz6YzU Zco9dHtIch7Bb2R0PU51wsCU3sPBR3h/4m7F/c4cdEUn+NQJrxdS5MlECW0ptOkthX NMGB8StFJRiGA== From: Will Deacon To: Peter Newman Cc: catalin.marinas@arm.com, kernel-team@android.com, Will Deacon , linux-kernel@vger.kernel.org, jolsa@kernel.org, alexander.shishkin@linux.intel.com, irogers@google.com, peterz@infradead.org, mark.rutland@arm.com, acme@kernel.org, eranian@google.com, adrian.hunter@intel.com, linux-arm-kernel@lists.infradead.org, namhyung@kernel.org, linux-perf-users@vger.kernel.org, mingo@redhat.com Subject: Re: [PATCH v6] arm64: pmuv3: dynamically map PERF_COUNT_HW_BRANCH_INSTRUCTIONS Date: Tue, 11 Apr 2023 14:04:35 +0100 Message-Id: <168121292090.358997.14432007488088025550.b4-ty@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230411093809.657501-1-peternewman@google.com> References: <20230411093809.657501-1-peternewman@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 11 Apr 2023 11:38:09 +0200, Peter Newman wrote: > From: Stephane Eranian > > The mapping of perf_events generic hardware events to actual PMU events on > ARM PMUv3 may not always be correct. This is in particular true for the > PERF_COUNT_HW_BRANCH_INSTRUCTIONS event. Although the mapping points to an > architected event, it may not always be available. This can be seen with a > simple: > > [...] Applied to will (for-next/perf), thanks! [1/1] arm64: pmuv3: dynamically map PERF_COUNT_HW_BRANCH_INSTRUCTIONS https://git.kernel.org/will/c/a30b87e6bd7d Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev