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 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 3AFCBD5B16F for ; Mon, 15 Dec 2025 13:05:21 +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: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:In-Reply-To:References:List-Owner; bh=LPVvIKdIA3b0jQwCG/JxcZeYyFRvL+algLD2mQyJZKg=; b=FzLpQoy4yM/ke0sZ110rw+xjs2 Uoq7MqR3WQhm3m8DBKvy+u1JoIVSvssolElEfKVVZV2seEJOx90XaClPyg1Ocb2tWTh0N+5tCllEx mQ6oXFKKZ66+vkJOBSNT+bmzAJ4s2ozWHQ/1a677cp31CSvQ3c60+yNqWnK35tT+qmqBC2hZSWw4e wbImLixacTVhOQEeky/jKQ8zGvs7k1X73sNDCDMdnBi7z/ZZNTcws1vf9l/45gBbwNokZyfFm9j1T /lNbK62pHC103ou2x6k8Qvr7EKCIjPAtg+GfQ4yPKJayT+pD4LPhGXLsGOW9RPJ003PLh/MjyjraT wXImHfYg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vV8GJ-00000003fMh-1YXI; Mon, 15 Dec 2025 13:05:15 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vV8GG-00000003fL1-0UGc for linux-arm-kernel@lists.infradead.org; Mon, 15 Dec 2025 13:05:13 +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 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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251215_050512_221269_B5D75777 X-CRM114-Status: UNSURE ( 5.78 ) 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 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