From patchwork Tue Dec 3 19:32:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oliver Upton X-Patchwork-Id: 13892837 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 43017E74AC8 for ; Tue, 3 Dec 2024 19:37:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=S9OvSlPazCgFtig4k2fUccNlDviHoE6kU11ttZKdFgo=; b=Wnw3QtmCbgooc2r9NJ4QqDdqin tGXeCWsS7iFRNNIE7O1tsKqviAXXEqEMcyHLPbTLN/KYLt8Rx03RwmijSgbpIQ6OsL4OT8QhGhU1I wzqUIFb2/Vs5ADW5Q19RyoMiqHNNRJe7FwugeVseeDcc90mZWHpA9BM4WWhuUhg3YOfTXUbjrqtY5 YnReeh+q/FMsc3jQylQto8jgOGrC6hxCkOmAq32q8sbscXfyiLPP8WDCCPeCTBL4k+QvwzqAa8pLv OZQ0kxzHzhgKj9O48s6BdHzLqao+orAIoL1CuRBHGBljkhg/zsm8mc/lN11BAK95enVMnQW8Ax5/Q g9eFIu+Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tIYhh-0000000AUwV-44Em; Tue, 03 Dec 2024 19:37:01 +0000 Received: from out-178.mta1.migadu.com ([2001:41d0:203:375::b2]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tIYdr-0000000ATyc-2L9w for linux-arm-kernel@lists.infradead.org; Tue, 03 Dec 2024 19:33:04 +0000 X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1733254381; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=S9OvSlPazCgFtig4k2fUccNlDviHoE6kU11ttZKdFgo=; b=CphpkuBekQ/ZqHvtCaCPQxVsciHNxHsaQxAL4qy522T5vb0sPEhOIYGfPG4BADtLtLq91L SUjcqrnDAAHMnfoh9flpwKxSHUV/A2KG/25vc0zFhxxP1OdzsV7xAs13Zz2dUCXPshuZTK bplpdilpm4d/BZLV03wypJJLmT3kHck= From: Oliver Upton To: kvmarm@lists.linux.dev Cc: Marc Zyngier , Joey Gouly , Suzuki K Poulose , Zenghui Yu , Mingwei Zhang , Colton Lewis , Raghavendra Rao Ananta , Catalin Marinas , Will Deacon , Mark Rutland , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Oliver Upton Subject: [RFC PATCH 03/14] drivers/perf: apple_m1: Map generic branch events Date: Tue, 3 Dec 2024 11:32:09 -0800 Message-Id: <20241203193220.1070811-4-oliver.upton@linux.dev> In-Reply-To: <20241203193220.1070811-1-oliver.upton@linux.dev> References: <20241203193220.1070811-1-oliver.upton@linux.dev> MIME-Version: 1.0 X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241203_113303_731834_62C0C9F5 X-CRM114-Status: UNSURE ( 8.55 ) X-CRM114-Notice: Please train this message. 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 Map the generic perf events for branch prediction stats to the corresponding hardware events. Signed-off-by: Oliver Upton --- drivers/perf/apple_m1_cpu_pmu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/perf/apple_m1_cpu_pmu.c b/drivers/perf/apple_m1_cpu_pmu.c index 2a34523500f8..d6d4ff6da862 100644 --- a/drivers/perf/apple_m1_cpu_pmu.c +++ b/drivers/perf/apple_m1_cpu_pmu.c @@ -170,6 +170,8 @@ static const unsigned m1_pmu_perf_map[PERF_COUNT_HW_MAX] = { PERF_MAP_ALL_UNSUPPORTED, [PERF_COUNT_HW_CPU_CYCLES] = M1_PMU_PERFCTR_CORE_ACTIVE_CYCLE, [PERF_COUNT_HW_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_ALL, + [PERF_COUNT_HW_BRANCH_INSTRUCTIONS] = M1_PMU_PERFCTR_INST_BRANCH, + [PERF_COUNT_HW_BRANCH_MISSES] = M1_PMU_PERFCTR_BRANCH_MISPRED_NONSPEC, }; /* sysfs definitions */