From nobody Thu Oct 2 09:16:59 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E163D2652BD; Fri, 19 Sep 2025 02:18:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.15 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758248330; cv=none; b=hi6SN/i9nwsrk6PjkIX7w2BslMOM/66ktqSwQ/Hw79VmOG5TihDiN3hWsVBzJKhZhiq1vzfSQNfdwxguut/wN6rjwD4z8WLoOeYvgrOObbLIkf1XlYgfb7bGJGWpQP1aWQEJD5K8MlYry4fTU8ixwen2Y5o32x+RiWUCVsUHwIg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758248330; c=relaxed/simple; bh=YCyw+MCUJeOwbPXfy98u/OedlbkyV/P1BIosFFp1ZOY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=mL+t3b4+6sKTEiZFDh2cOnF/6C0rCYmYUDcUq8jnXQRoZVq0Oh77em2vix/emNTmkKWbXTwiXiUGkXf7o/zikbXTdHCb2+sUY9GNLNYO2glCu7e1fe0DuOgZSaxD5jVznYDO1bE05U+fQ1ippo4MpGM5xuwQ0axJhJ1f+RxPDUc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=im8tz6KN; arc=none smtp.client-ip=198.175.65.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="im8tz6KN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1758248329; x=1789784329; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=YCyw+MCUJeOwbPXfy98u/OedlbkyV/P1BIosFFp1ZOY=; b=im8tz6KNgzxUF/UEqAIIx9vNNwQSmlgLypTmAj+Triqv7k76lEIeGnlR 1XQGSQHhoXxQwkmJdUsLiFhtW06ACAIDmbAUqe600LOfvn/guiPnAY4Ef PupV6NAATKquFxN5YMn5E4sQbsxJbWjJKoQcMa+Jl3DlideRdE9+TIi9g D2vSjmZZJGY2lHlz9hjZt/GICk53CaacVYvx3K+HAGRDDUsZ7P7W9gEim 70PgwTusvyBezb8SLLlxLZF+zuz8gBtXuQDq+W3bzDByPA07//RY+EkcS H0IIt6sAvXi0QE82Quq4MHw3W29GQMgwdyDibhHNB3+zw4U/g9aGioV1H g==; X-CSE-ConnectionGUID: 5ydtPhR7SwaURCWXsZg7ig== X-CSE-MsgGUID: pJga5NhCSnqx8nNyqa3NpA== X-IronPort-AV: E=McAfee;i="6800,10657,11557"; a="64229145" X-IronPort-AV: E=Sophos;i="6.18,276,1751266800"; d="scan'208";a="64229145" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Sep 2025 19:18:49 -0700 X-CSE-ConnectionGUID: UZbSKKBhQ3q8FzWgukufKA== X-CSE-MsgGUID: bZr+X1nOShaYKWYozGmKlg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.18,276,1751266800"; d="scan'208";a="175535620" Received: from spr.sh.intel.com ([10.112.229.196]) by orviesa007.jf.intel.com with ESMTP; 18 Sep 2025 19:18:46 -0700 From: Dapeng Mi To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin , Kan Liang Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Dapeng Mi , Dapeng Mi Subject: [Patch v3 4/6] perf tools: Add helper x86__is_intel_cpu() Date: Fri, 19 Sep 2025 10:16:57 +0800 Message-Id: <20250919021659.1263351-5-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250919021659.1263351-1-dapeng1.mi@linux.intel.com> References: <20250919021659.1263351-1-dapeng1.mi@linux.intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add helper x86__is_intel_cpu() to indicate if it's a x86 intel platform. Signed-off-by: Dapeng Mi Acked-by: Namhyung Kim --- tools/perf/util/env.c | 22 ++++++++++++++++++++++ tools/perf/util/env.h | 2 ++ 2 files changed, 24 insertions(+) diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c index c8c248754621..f1626d2032cd 100644 --- a/tools/perf/util/env.c +++ b/tools/perf/util/env.c @@ -802,3 +802,25 @@ bool x86__is_amd_cpu(void) =20 return is_amd; } + +bool perf_env__is_x86_intel_cpu(struct perf_env *env) +{ + static int is_intel; /* 0: Uninitialized, 1: Yes, -1: No */ + + if (is_intel =3D=3D 0) + is_intel =3D env->cpuid && strstarts(env->cpuid, "GenuineIntel") ? 1 : -= 1; + + return is_intel >=3D 1 ? true : false; +} + +bool x86__is_intel_cpu(void) +{ + struct perf_env env =3D { .total_mem =3D 0, }; + bool is_intel; + + perf_env__cpuid(&env); + is_intel =3D perf_env__is_x86_intel_cpu(&env); + perf_env__exit(&env); + + return is_intel; +} diff --git a/tools/perf/util/env.h b/tools/perf/util/env.h index e00179787a34..9977b85523a8 100644 --- a/tools/perf/util/env.h +++ b/tools/perf/util/env.h @@ -201,5 +201,7 @@ void perf_env__find_br_cntr_info(struct perf_env *env, =20 bool x86__is_amd_cpu(void); bool perf_env__is_x86_amd_cpu(struct perf_env *env); +bool x86__is_intel_cpu(void); +bool perf_env__is_x86_intel_cpu(struct perf_env *env); =20 #endif /* __PERF_ENV_H */ --=20 2.34.1