From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 3F224611E; Wed, 23 Oct 2024 18:01:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729706495; cv=none; b=JAj2H0laORxuaC4t3g1JNMSbuIAGVqAlQtUuuPjQo7/BRMVgP72gHSSg0N7otJJU0H9aMJntOAmjVETab6gK+uYrDq2pQA/1yIoDcwjpddrV2igeI0FaZvmawwSbzP3tNG4vhgvJERCbXpDHKQ7CUpHtrJae676+XYG/NzXG6iU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729706495; c=relaxed/simple; bh=K6hu94uMlnMahjpTUGzUwEPK6QP+a6Re7F3l/BAs3qs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MyHj3l/N5j3gdMLSM/q1dOTPBDLuJHr5XVJNVuNRYsgJOZCu7mqftztQaV8lLq9vgW8cRjLd/aJzgKw1z1dSxDmTCMbpih4Vhju8VpVsGpu7e46AIX+Xnjn4a/Q2yrVA/Dt6dX7d22YugMrWVy/xrb1czvC1F+PHg+jgV8vxO8c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=duIGalvs; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="duIGalvs" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2E5B5C4CEC6; Wed, 23 Oct 2024 18:01:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729706494; bh=K6hu94uMlnMahjpTUGzUwEPK6QP+a6Re7F3l/BAs3qs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=duIGalvspfw1JLsGiSuRFIgsi5LqNAN9FHMs2U3ckv/6OHsnCNTslrjFfMvqiaib/ e/NwlY8vEHL8WW2bXWNGWzG0nnA0WsIduQ4IrfsLBt6+7nsPZk4v2CGdjgVODMiMbE f6eKkU/W3BS4/DGnaRSTDPNlkE3xey0DtctRmGWERgIjd20ahsoTZ3JAFlF5lC7JAT 1MpQ3ZaMg33gqlTCaoodz8p6xhc/eyU0NiTKT7pGH6HhBhFAj65KcQXMhOaa1pRsBi 1EFA9xUcrJYfCmYOL9tBlpGK6dCOnSihQZYXzA5e28KR1Stz3ZOBPSNzs8idN4dbmu C0CAsNdAvjf7Q== Date: Wed, 23 Oct 2024 11:01:32 -0700 From: Namhyung Kim To: Arnaldo Carvalho de Melo , Ian Rogers , Kan Liang Cc: Jiri Olsa , Adrian Hunter , Peter Zijlstra , Ingo Molnar , LKML , linux-perf-users@vger.kernel.org, Ravi Bangoria , Mark Rutland , James Clark , Kajol Jain , Thomas Richter , Atish Patra , Palmer Dabbelt , Mingwei Zhang Subject: Re: [PATCHSET 0/9] perf tools: Do not set attr.exclude_guest by default (v5) Message-ID: References: <20241016062359.264929-1-namhyung@kernel.org> 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=utf-8 Content-Disposition: inline In-Reply-To: <20241016062359.264929-1-namhyung@kernel.org> On Tue, Oct 15, 2024 at 11:23:50PM -0700, Namhyung Kim wrote: > Hello, > > I found perf tools set exclude_guest bit inconsistently. It used to > set the bit but now the default event for perf record doesn't. So I'm > wondering why we want the bit in the first place. > > Actually it's not good for PMUs don't support any exclusion like AMD > IBS because it disables new features after the exclude_guest due to > the missing feature detection logic. > > [...] Applied to perf-tools-next, thanks! Best regards, Namhyung