From mboxrd@z Thu Jan 1 00:00:00 1970 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 C16BD1419A9; Tue, 5 Aug 2025 00:47:39 +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=1754354861; cv=none; b=K7DcdMQPs2TPyh8LfxxGt95g08FxfXEhl8U0RfNtX2f/uLctWka//obN4FRiBo6P9p9VgRfS0cvG2BUQG4NHKEpEiLQtEyNZtERO0x/cVanDesDcRXA/+cMX4f9jnmkWZUeQsc7J0Uflw+i+2dbGNIMkvXDoO5V5+jT+Z+BI8hs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754354861; c=relaxed/simple; bh=oeuugssJxxfYnDQBivTR+l6U2wpfEbwCtDf6j9CUFwQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=jaPRM1QdGVzCuKe7hg4s647fjmf2pkpQtOIfISpdHCfbKOMrL6FvtAbdQfc+M/CIJjyUglUbSTi1SCaAQp9oXeB1ULSVUpPx+CEgD4es6IaMsU6X376oJ9LsIb9YhjheQR9SABbYEdzggg8WPdOQP8NQ++oc8LZoz5jfvMiq2+w= 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=VfFDjYdZ; 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="VfFDjYdZ" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1754354860; x=1785890860; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=oeuugssJxxfYnDQBivTR+l6U2wpfEbwCtDf6j9CUFwQ=; b=VfFDjYdZa79ji6gwMPidvLbXKaX5oSVtysnozUp6Lh1X9shjgeX9cBtt aJ0ZKhlWQ0iOGAi5PmO9TFAnDrL7IhNfArAwPNzykJp4nIw8lanxVk8PB 1PhWNy//IBwbQJJ+tJt4kSIX5ib00uQd5TmJuzNs+F6uBXhHaMu7/1wAS 7IZ2SCEFJrr44apOwNXjigCPwwauoeNrM8y3DAT1RrKyCyLarYPaJT5fh LmuKpUvMYlC/ax5L9yaiWYPrm/6dX1I0Yzi/YW92yxYsbcDVh4sZO2yPv Hp+IJqmn/GgblxAhqVaBOx4k2W7sg/HSt9BJVngdJvbR7rzBsSY7il2xC g==; X-CSE-ConnectionGUID: iiE8PI67SF64Bnj5EvuVEg== X-CSE-MsgGUID: R+V9obrqRJmjGKfzCKgbTw== X-IronPort-AV: E=McAfee;i="6800,10657,11512"; a="56523840" X-IronPort-AV: E=Sophos;i="6.17,265,1747724400"; d="scan'208";a="56523840" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Aug 2025 17:47:40 -0700 X-CSE-ConnectionGUID: b9tPrvM9TBuQwGxSu3FF7g== X-CSE-MsgGUID: cGFrfzA1SVquE4YNsc4CuQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.17,265,1747724400"; d="scan'208";a="169605458" Received: from spr.sh.intel.com ([10.112.230.239]) by fmviesa004.fm.intel.com with ESMTP; 04 Aug 2025 17:47:37 -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, Kevin Tian , Dapeng Mi , Dapeng Mi Subject: [PATCH 3/5] perf tools: Add helper x86__is_intel_cpu() Date: Tue, 5 Aug 2025 08:46:31 +0800 Message-Id: <20250805004633.135904-4-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250805004633.135904-1-dapeng1.mi@linux.intel.com> References: <20250805004633.135904-1-dapeng1.mi@linux.intel.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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) 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 == 0) + is_intel = env->cpuid && strstarts(env->cpuid, "GenuineIntel") ? 1 : -1; + + return is_intel >= 1 ? true : false; +} + +bool x86__is_intel_cpu(void) +{ + struct perf_env env = { .total_mem = 0, }; + bool is_intel; + + perf_env__cpuid(&env); + is_intel = 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, 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); #endif /* __PERF_ENV_H */ -- 2.34.1