From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 CA140215769; Thu, 27 Feb 2025 06:04:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740636277; cv=none; b=ulw/DcDYivc2D2kjHl7GVEBLAO0iUzS3B9y46nYfQ+Fpy7D9BhbmUZXuohdpZNusFNeUWBdEcxeqHThHAUKfH6wJyzE5AQsxjMhrs5G5qIQEsFiWOGTyzwkxpg0mVrTNahVkTTKdAKgL40oGFKqWepe0H/2uHKXpCgKJIStlLYk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740636277; c=relaxed/simple; bh=yLIxoMkr0ur2OAbRZKbGVnmARCH0t2/K8u/fv8aAomQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=SRBX4X/x4A+ZdyHgk69rC9Y6O1nasMaVMqjo+IMn8xxIiostRXKoiqLbEVtCmXsZBZxMXhU09cmwxzOS8N22mYuStwC8gqq/xSthDlwwlDAC+7f5N3jX4BNSZj1gv5rYMnbhiUkWY0sndq2AV3zu3qPnNP1u1bQ49DwwvNWjoEk= 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=jcpdBJGT; arc=none smtp.client-ip=192.198.163.15 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="jcpdBJGT" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1740636276; x=1772172276; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=yLIxoMkr0ur2OAbRZKbGVnmARCH0t2/K8u/fv8aAomQ=; b=jcpdBJGTRjzLObhK2N6J4MhsktsjOlLh4RADHrZ9Ko9sfS9YwrqWyeD8 mkWRcLsyjp4VaJkM1W9qQUTwQK/sqclYSPN6dSnD7jRSsMxLl7lxq1/A8 4eBBPrXL6msq6i3HUTJAOSmsj4CTBHTv2Pv+x3FXaSQ8i5Us6WhD67p3S OGW5cYHRHBV2ar03OGG2Ttzw8dLeJRpZo/79k09b9dZyz0Cwq6VWu0j0H /jL8laEJekZhryxge4bqCazqSWGOaghtpCIkLpQdVBTjUbVwZUWtDWcmg b6mbYYINIF2FlBZE3jzei0rttXqiUjGGTvVgs9+HGEHmwVa2iNAa1/Fj9 g==; X-CSE-ConnectionGUID: KQMSTt1mThilhBIa1HC6KA== X-CSE-MsgGUID: o9ndrhS/Q0yy1dkp5sGVbw== X-IronPort-AV: E=McAfee;i="6700,10204,11357"; a="41640178" X-IronPort-AV: E=Sophos;i="6.13,319,1732608000"; d="scan'208";a="41640178" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2025 22:04:35 -0800 X-CSE-ConnectionGUID: QgCQH2GoRguX54NQ8SGVNw== X-CSE-MsgGUID: 35ZqiWAnTHi81G0DsoBGTg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.13,319,1732608000"; d="scan'208";a="147748144" Received: from tassilo.jf.intel.com (HELO tassilo) ([10.54.38.190]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Feb 2025 22:04:35 -0800 Date: Wed, 26 Feb 2025 22:04:33 -0800 From: Andi Kleen To: Chun-Tse Shao Cc: linux-kernel@vger.kernel.org, peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, kan.liang@linux.intel.com, terrelln@fb.com, leo.yan@arm.com, dvyukov@google.com, james.clark@linaro.org, christophe.leroy@csgroup.eu, ben.gainey@arm.com, linux-perf-users@vger.kernel.org Subject: Re: [PATCH v1 1/2] perf record: Add 8-byte aligned event type PERF_RECORD_COMPRESSED2 Message-ID: References: <20250227053738.788153-1-ctshao@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250227053738.788153-1-ctshao@google.com> On Wed, Feb 26, 2025 at 09:34:06PM -0800, Chun-Tse Shao wrote: > The original PERF_RECORD_COMPRESS is not 8-byte aligned, which can cause > asan runtime error: It seems pointless. Most architectures have cheap unaligned accesses these days. Just disable that error? -Andi