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 X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 02045C433E2 for ; Thu, 16 Jul 2020 15:19:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CF2842063A for ; Thu, 16 Jul 2020 15:19:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728972AbgGPPTN (ORCPT ); Thu, 16 Jul 2020 11:19:13 -0400 Received: from mga18.intel.com ([134.134.136.126]:53787 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728515AbgGPPTJ (ORCPT ); Thu, 16 Jul 2020 11:19:09 -0400 IronPort-SDR: ZznJA+yO2UEgpm1NrWjosJfCO1KcJJJL2j5hUCC+2vxiu8U6kJdrF/ioL8oPqXpeiZh0vvfl9N Sl/wywB4k9MA== X-IronPort-AV: E=McAfee;i="6000,8403,9683"; a="136856006" X-IronPort-AV: E=Sophos;i="5.75,359,1589266800"; d="scan'208";a="136856006" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Jul 2020 08:19:08 -0700 IronPort-SDR: PK+xRiXdY0911E0R/9x3WABMpD1ZNP5Q2V+LAzXlU7D4PFL5WpIpSebiomL69Imw5BHMbWVLTz s3qWCqQVbUSA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.75,359,1589266800"; d="scan'208";a="486138548" Received: from thuang6-mobl.ccr.corp.intel.com (HELO rzhang1-mobile.ccr.corp.intel.com) ([10.249.173.59]) by fmsmga006.fm.intel.com with ESMTP; 16 Jul 2020 08:19:05 -0700 From: Zhang Rui To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org Cc: mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@redhat.com, namhyung@kernel.org, linux-kernel@vger.kernel.org, kan.liang@linux.intel.com, len.brown@intel.com Subject: [PATCH 3/3] perf/x86/rapl: Add support for Intel SPR platform Date: Thu, 16 Jul 2020 23:18:59 +0800 Message-Id: <20200716151859.6854-3-rui.zhang@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200716151859.6854-1-rui.zhang@intel.com> References: <20200716151859.6854-1-rui.zhang@intel.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Intel SPR platform uses fixed 16 bit energy unit for DRAM RAPL domain, and fixed 0 bit energy unit for Psys RAPL domain. After this, on SPR platform the energy counters appear in perf list. Signed-off-by: Zhang Rui Reviewed-by: Kan Liang Acked-by: Len Brown --- arch/x86/events/rapl.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/arch/x86/events/rapl.c b/arch/x86/events/rapl.c index 5b3e11299c8d..731e3a32f723 100644 --- a/arch/x86/events/rapl.c +++ b/arch/x86/events/rapl.c @@ -133,6 +133,7 @@ struct rapl_pmus { enum rapl_unit_quirk { RAPL_UNIT_QUIRK_NONE, RAPL_UNIT_QUIRK_INTEL_HSW, + RAPL_UNIT_QUIRK_INTEL_SPR, }; struct rapl_model { @@ -627,6 +628,14 @@ static int rapl_check_hw_unit(struct rapl_model *rm) case RAPL_UNIT_QUIRK_INTEL_HSW: rapl_hw_unit[PERF_RAPL_RAM] = 16; break; + /* + * SPR shares the same DRAM domain energy unit as HSW, plus it + * also has a fixed energy unit for Psys domain. + */ + case RAPL_UNIT_QUIRK_INTEL_SPR: + rapl_hw_unit[PERF_RAPL_RAM] = 16; + rapl_hw_unit[PERF_RAPL_PSYS] = 0; + break; default: break; } @@ -757,6 +766,16 @@ static struct rapl_model model_skl = { .rapl_msrs = intel_rapl_msrs, }; +static struct rapl_model model_spr = { + .events = BIT(PERF_RAPL_PP0) | + BIT(PERF_RAPL_PKG) | + BIT(PERF_RAPL_RAM) | + BIT(PERF_RAPL_PSYS), + .unit_quirk = RAPL_UNIT_QUIRK_INTEL_SPR, + .msr_power_unit = MSR_RAPL_POWER_UNIT, + .rapl_msrs = intel_rapl_msrs, +}; + static struct rapl_model model_amd_fam17h = { .events = BIT(PERF_RAPL_PKG), .msr_power_unit = MSR_AMD_RAPL_POWER_UNIT, @@ -793,6 +812,7 @@ static const struct x86_cpu_id rapl_model_match[] __initconst = { X86_MATCH_INTEL_FAM6_MODEL(ICELAKE_X, &model_hsx), X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE_L, &model_skl), X86_MATCH_INTEL_FAM6_MODEL(COMETLAKE, &model_skl), + X86_MATCH_INTEL_FAM6_MODEL(SAPPHIRERAPIDS_X, &model_spr), X86_MATCH_VENDOR_FAM(AMD, 0x17, &model_amd_fam17h), {}, }; -- 2.17.1