From nobody Tue Dec 16 09:02:52 2025 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) (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 29B7C285C8C; Mon, 11 Aug 2025 05:57:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754891825; cv=none; b=XIHTF/R71rDl90p3gHekpSspO6fK74JoOyeRv4vVPaxnimG0I6QP2kCz8hzDyF5MOR13d58R+Bx9L3Fsk2EpNRQijwog1Ks8DxUW3+iITw+MZkWiL90nQtLOaiPfAhB/mpZhk8KPW1zfX7HY8s5Nd/aMIhR/5g1QhqJL+s4PVwQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754891825; c=relaxed/simple; bh=oeuugssJxxfYnDQBivTR+l6U2wpfEbwCtDf6j9CUFwQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=bNy3O0PWF1AQrYQjGQh9uGru5dD8dr1hJVko4RmOJqRzUIk5rQB3q87EaCYLACPT6Z7PWQI30HLoPFran9Vi431I6GWJ9ux3mpTwFoUhmJuv7F/NrsuD3QUeTChSBHSlr/Xj6KYMNZ97d9MH0xkoVIw8jzSF4TVH318/gky3Eus= 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=a6yQEFE0; arc=none smtp.client-ip=198.175.65.21 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="a6yQEFE0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1754891824; x=1786427824; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=oeuugssJxxfYnDQBivTR+l6U2wpfEbwCtDf6j9CUFwQ=; b=a6yQEFE0FoYJNUlNhvwk88aiFRVu+Q7L8E6cu5nHkyV6lwwzdUI9efbi oXQvI7ZZPkw3YVecvXhwcZ/ZjxxylaNccFKY7MG1MehC47ow1WEBU4r41 tPxu3sW6SrZiwvjCMDoh3+CXfZ7fa8fbsS+WViH9zom0ToedSgAKo97l2 K0Mr38AOXgrgAYUxBiZEGYvOBnFT4Zp9rpC69w+T46kJx6+yTpJWhIem/ Imh36hC9mJcsWIywJWnOI087xpTs1uFEESIzmGzJZ7VReYhul2pIfB6Dr oGCcsoCIbjeaZDITbf2nH92sp7YPGoVcibDw0lUYaXPLEZ2dGx1RdJDtr g==; X-CSE-ConnectionGUID: wiPqMWqnQ6O/Pz1y+qwNSA== X-CSE-MsgGUID: b2n3h2k+TbeiLC6O1Jfeig== X-IronPort-AV: E=McAfee;i="6800,10657,11518"; a="57043623" X-IronPort-AV: E=Sophos;i="6.17,278,1747724400"; d="scan'208";a="57043623" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Aug 2025 22:57:04 -0700 X-CSE-ConnectionGUID: e8+7WmzhSViaO9NJznXg5w== X-CSE-MsgGUID: VQsiCvJ2QCu+dz34AvhGBQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,278,1747724400"; d="scan'208";a="171183760" Received: from spr.sh.intel.com ([10.112.230.239]) by orviesa005.jf.intel.com with ESMTP; 10 Aug 2025 22:57:01 -0700 From: Dapeng Mi To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin , Kan Liang Cc: Kevin Tian , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Dapeng Mi , Dapeng Mi Subject: [Patch v2 4/6] perf tools: Add helper x86__is_intel_cpu() Date: Mon, 11 Aug 2025 13:55:44 +0800 Message-Id: <20250811055546.296678-5-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250811055546.296678-1-dapeng1.mi@linux.intel.com> References: <20250811055546.296678-1-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 --- 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