From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) (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 A41F4145A18; Wed, 28 Aug 2024 05:16:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.10 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724822197; cv=none; b=kymSyKALle0pcbTM8A3uAQD4rurncvtYPQZxxCcY5GkSfXBCyBHwnw8f4yNAYh72hPQFC2JRzIn+LvEdxNxggwigakEFT8MmlsMIB87Jovw1vQZVDEXJZcS2x0pelx7thD7oj0FTUX8cyvYTAsbsQNwevGZG8unRAQpbwiisOpM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724822197; c=relaxed/simple; bh=uQ4zHhOASLf5+tQUdvE7W1/GxJn6R2hEG5FvZy+cLF4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=CpdnEGHpNZK0mVhkU31bsWngZ5insLUUfcjjKqkgeQykSaDfNh5Yk564gytj+7evMyvGQZJGHiQ3oBbHX+wOv8yD4p5WSIjh4E6A321051if9crIs+7UYByQMwXbZotCElIWuphLyGntv1yjv0JWBgLsuC3ROMDPP8zeeawlOrM= 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=depymiI0; arc=none smtp.client-ip=198.175.65.10 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="depymiI0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724822196; x=1756358196; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=uQ4zHhOASLf5+tQUdvE7W1/GxJn6R2hEG5FvZy+cLF4=; b=depymiI0bFuW+jd2AZTjbYrrfx+th8xzIoDMwfb34EqbXUgtCXuaWtaU mv+peKEQRexmyefa48Tsn92aPY6nk4kJIBzXm/AHnVDOYETeCykV+ErKL KsUDvNu8001OQhU7/e6tkZ8DS+qqF1TfwvA22WkDPStulIeToLtwS87/R 0+zG0oML+Lo6kmnfzMgnR+niU01kG1IHwp7hYsF9C4WST3T+CwbOymmQW dK5IMQiaMfwKLfY+IKcZ1JFCvcqmvvEuEJhqFRHFlVqAex2w4uYE5h5lC BIhcgxNQdXnXWsuup4NpDvFoRiNaxpUj3YDSu261LU36ZtkQ4OL/ZeBdA Q==; X-CSE-ConnectionGUID: Op5vOUlsRHCj/aPC7s/6Xg== X-CSE-MsgGUID: 2BNIXkzNTaOtd8xVwXLjVA== X-IronPort-AV: E=McAfee;i="6700,10204,11177"; a="40805355" X-IronPort-AV: E=Sophos;i="6.10,181,1719903600"; d="scan'208";a="40805355" Received: from orviesa003.jf.intel.com ([10.64.159.143]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2024 22:16:35 -0700 X-CSE-ConnectionGUID: iyONb+z2Qq+g9wVeNiYrog== X-CSE-MsgGUID: hZyHfb87S9++pIFxUtKPxg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,181,1719903600"; d="scan'208";a="67917350" Received: from tassilo.jf.intel.com (HELO tassilo) ([10.54.38.190]) by ORVIESA003-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Aug 2024 22:16:35 -0700 Date: Tue, 27 Aug 2024 22:16:31 -0700 From: Andi Kleen To: James Clark Cc: irogers@google.com, linux-perf-users@vger.kernel.org, John Garry , Will Deacon , Mike Leach , Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Mark Rutland , Alexander Shishkin , Jiri Olsa , Adrian Hunter , "Liang, Kan" , Weilin Wang , Athira Rajeev , Dominique Martinet , Yang Jihong , Colin Ian King , Ze Gao , Jing Zhang , Sun Haiyong , Yicong Yang , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 0/7] Event parsing fixes Message-ID: References: <20240822132506.1468090-1-james.clark@linaro.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=us-ascii Content-Disposition: inline In-Reply-To: <20240822132506.1468090-1-james.clark@linaro.org> > There is one small difference where it now shows "stalled-cycles-..." > as events, when before it just didn't show them at all when > they weren't supported: > > $ perf stat -- true > > Performance counter stats for 'true': > > 0.66 msec task-clock # 0.384 CPUs utilized > 0 context-switches # 0.000 /sec > 0 cpu-migrations # 0.000 /sec > 52 page-faults # 78.999 K/sec > cpu_atom/instructions/ (0.00%) > 978,399 cpu_core/instructions/ # 1.02 insn per cycle > cpu_atom/cycles/ (0.00%) > 959,722 cpu_core/cycles/ # 1.458 GHz > cpu_atom/stalled-cycles-frontend/ > cpu_core/stalled-cycles-frontend/ > > I don't think that's a big deal though and could probably be fixed up > later if we really want to. I would prefer if that was fixed up. That's quite ugly for the default view on x86/Intel. -Andi