From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0FD1B27702D for ; Mon, 15 Dec 2025 13:05:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765803909; cv=none; b=ZCSxSeqy8CvXby/WpKVktssJOc/T30F6XTV3ZA2kZBaYZhtW+L5JX2x8xeDNvMK7hNV1p28xxramGHl5fMQSFvwdPuHdthd91n6kHQTLxXt0o0F2E3bwzEchzBa8v/DbrPppuRmAALVLUP6/7J2o7kLkI/vf7p6yKTtE7ioAmNQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765803909; c=relaxed/simple; bh=dQPtPA4YaykXPbNVoSex+hfFGB6UQmR3l4NgTEN/7bI=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=U5zBuM2mcalIufU1vjjssvYnp4KZIgsGO9wEoOtfoWj9LeYxF8nKLNmGr+QN6GsoTTl+22p4WI9FNzs6reTCTCfkr4IWeCAiChFBcLzdoSY6cTXf+JjXbrSgkMs+1+uUyQA81XGhZBtLfHimpJuuGzvc+DKG+2q5vgRhwesyg6w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com 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 3A6B1497; Mon, 15 Dec 2025 05:05:00 -0800 (PST) Received: from e121345-lin.cambridge.arm.com (e121345-lin.cambridge.arm.com [10.1.196.95]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 5AA2F3F73B; Mon, 15 Dec 2025 05:05:06 -0800 (PST) From: Robin Murphy To: will@kernel.org Cc: mark.rutland@arm.com, suzuki.poulose@arm.com, linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org Subject: [PATCH 0/3] perf/arm_dsu: Support newer DSUs Date: Mon, 15 Dec 2025 13:04:57 +0000 Message-Id: X-Mailer: git-send-email 2.39.2.101.g768bb238c484.dirty Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Hi all, DSU-110 and 120 have been out for a while, and although they continue to share the same basic system register interface, they have subtle functional changes that require a little attention to support properly. And while DSUs still aren't widely exposed in current systems, at least some folks do apparently care. Sanity-checked on DSU-120 in FPGA, and original DSU on Rockchip RK3566 with TF-A hacked to set ACTLR_EL3.CLUSTERPMUEN. Cheers, Robin. Robin Murphy (3): perf/arm_dsu: Support DSU-110 perf/arm_dsu: Support DSU-120 perf/arm_dsu: Allow standard cycles events drivers/perf/arm_dsu_pmu.c | 37 +++++++++++++++++++++++-------------- 1 file changed, 23 insertions(+), 14 deletions(-) -- 2.39.2.101.g768bb238c484.dirty