From patchwork Mon Jul 12 06:03:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 474104 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 51FA2C11F66 for ; Mon, 12 Jul 2021 06:58:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A3466141C for ; Mon, 12 Jul 2021 06:58:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239975AbhGLHBC (ORCPT ); Mon, 12 Jul 2021 03:01:02 -0400 Received: from mail.kernel.org ([198.145.29.99]:34702 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242516AbhGLHAN (ORCPT ); Mon, 12 Jul 2021 03:00:13 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A7F4D611C1; Mon, 12 Jul 2021 06:57:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626073045; bh=qUmrSzCzwDef4DosGbT/vJixNaSG9wC+PfqjEDmmArg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=nennxqIa/+FX9vdDcvJ+vZYtupA74/q9vejBsM/NimwqbHcKwAhDdYqGB1qzl/tz5 XV9FmUdgYZTASFsog8UxOax4F/d9rbHxr/JPfLO73VImgFYJDvXhM/cCnGJS4Gof52 lc1o0CMV8RdmmlSVvHXBk+fYlrU7WmcLULi5DBhA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Kan Liang , "Peter Zijlstra (Intel)" Subject: [PATCH 5.12 107/700] perf/x86/intel: Add more events requires FRONTEND MSR on Sapphire Rapids Date: Mon, 12 Jul 2021 08:03:10 +0200 Message-Id: <20210712060939.936734356@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210712060924.797321836@linuxfoundation.org> References: <20210712060924.797321836@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Kan Liang commit d18216fafecf2a3a7c2b97086892269d6ab3cd5e upstream. On Sapphire Rapids, there are two more events 0x40ad and 0x04c2 which rely on the FRONTEND MSR. If the FRONTEND MSR is not set correctly, the count value is not correct. Update intel_spr_extra_regs[] to support them. Fixes: 61b985e3e775 ("perf/x86/intel: Add perf core PMU support for Sapphire Rapids") Signed-off-by: Kan Liang Signed-off-by: Peter Zijlstra (Intel) Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/1624029174-122219-3-git-send-email-kan.liang@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- arch/x86/events/intel/core.c | 2 ++ 1 file changed, 2 insertions(+) --- a/arch/x86/events/intel/core.c +++ b/arch/x86/events/intel/core.c @@ -280,6 +280,8 @@ static struct extra_reg intel_spr_extra_ INTEL_UEVENT_EXTRA_REG(0x012b, MSR_OFFCORE_RSP_1, 0x3fffffffffull, RSP_1), INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd), INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE), + INTEL_UEVENT_EXTRA_REG(0x40ad, MSR_PEBS_FRONTEND, 0x7, FE), + INTEL_UEVENT_EXTRA_REG(0x04c2, MSR_PEBS_FRONTEND, 0x8, FE), EVENT_EXTRA_END };