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 8AA3CE95A9A for ; Mon, 9 Oct 2023 04:38:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=saY/XHatFqLgRp/XiYtmpP4w8JMRQ7IcHEnsWeMu3Jo=; b=R1gCnBzh73mqX6 zExcjtRE0KcundIUMXNfmv38S21iK55s9zpG57hiQvfoQdKpzql/eXkG1s1ChtAsp3Rr2/1+3pkVX zIK4vz5/+yEfeZjemJ5vZuexQ1tgvHpRKUHfw24yVZUc1nActqzNzv7ztV0lSRu5Dg2K8j7yE4Tsq GzGqCI0FTSXLUlI1EgDeDlyncdK9X2uj2ygzR4ZDoXKyLrUSr2DjUYoGO/8FI3JbXYbbnEWjzowhU 1Xb+tnhjBn+Rp8OTSVr78+L7xV1BW78iJ1x6VZ3H8lqmMLfqlfX1qk68ug3YR1UTfERu+7UUckDEY sedZH3G+uNFVd1+tPKzg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qpi1V-009kzI-2j; Mon, 09 Oct 2023 04:37:41 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qpi1S-009kyz-3A for linux-arm-kernel@lists.infradead.org; Mon, 09 Oct 2023 04:37:40 +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 1F8631FB; Sun, 8 Oct 2023 21:38:16 -0700 (PDT) Received: from a077893.blr.arm.com (a077893.blr.arm.com [10.162.41.8]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id AC24D3F7A6; Sun, 8 Oct 2023 21:37:33 -0700 (PDT) From: Anshuman Khandual To: linux-arm-kernel@lists.infradead.org Cc: Anshuman Khandual , Will Deacon , Mark Rutland , linux-kernel@vger.kernel.org Subject: [PATCH] drivers: perf: arm_pmuv3: Update 'pmc_width' based on actual HW event width Date: Mon, 9 Oct 2023 10:07:24 +0530 Message-Id: <20231009043724.175100-1-anshuman.khandual@arm.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231008_213739_086299_488E0304 X-CRM114-Status: UNSURE ( 7.78 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This updates 'perf_event_mmap_page->pmc_width' based on actual HW event's width that are currently missing i.e ARMPMU_EVT_63BIT and ARMPMU_EVT_47BIT. Cc: Will Deacon Cc: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual --- This applies on v6.6-rc5. drivers/perf/arm_pmuv3.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/perf/arm_pmuv3.c b/drivers/perf/arm_pmuv3.c index fe4db1831662..94723d00548e 100644 --- a/drivers/perf/arm_pmuv3.c +++ b/drivers/perf/arm_pmuv3.c @@ -1375,6 +1375,10 @@ void arch_perf_update_userpage(struct perf_event *event, if (userpg->cap_user_rdpmc) { if (event->hw.flags & ARMPMU_EVT_64BIT) userpg->pmc_width = 64; + else if (event->hw.flags & ARMPMU_EVT_63BIT) + userpg->pmc_width = 63; + else if (event->hw.flags & ARMPMU_EVT_47BIT) + userpg->pmc_width = 47; else userpg->pmc_width = 32; } -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel