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 E87B62620F1; Wed, 30 Apr 2025 13:06:33 +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=1746018394; cv=none; b=gbXGWkFVn0YZCeEepGARvsMuqLSfBG+VHtQP/++UjNE6csX/kUC1G4+ZYoNR0E7vAKMUiYvUD7gb2JjpzqUiHcJlCwkGfFxdmQv9uZo7bful+lEVbNe5r9+uWeJ92jW3QY/23Rbru2Wdlh2BRsK43q5leBbMwKj+y1Put1L6TjU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746018394; c=relaxed/simple; bh=B56c2X14qHZ4Yj3ML01q9Bz07Deisw0vJi8ciltC+fk=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=UKAvi3ASrWNFCnzVYTsy+xGuGCuR5W+YkEcAGXgGPFqcUehXeGC0sBXl7WISmeMSEyvBJAZyP4imaXn+Inxpj0C/Paxop090nr6sO/iYs+1fq5SgmVwgBhMwY9l5X05kPWRMah6xl10Bd62Gj84oiyP6gjXKtGCkF4iYK1fiZzY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=mFFWjWM2; 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="mFFWjWM2" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BFE74C4CEE9; Wed, 30 Apr 2025 13:06:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746018393; bh=B56c2X14qHZ4Yj3ML01q9Bz07Deisw0vJi8ciltC+fk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mFFWjWM2K43mt1MkDa65QXGy8Q1/Szb7pMpXhfz3xIdsDcPZWRqKHpP9mcETAPdDe AzeRYqXLbV8jpgMpk1EABYv0+eypHt9QjY9labRSvopXYaz9HHVVqXF9dAufcIqHWM g0vbOpYZvDfvBz6JfzTuDQ2k+uxUNA2epN85jJ9VYW0Ss9Cfpj8VljFA6Rtl6QgsZ9 jb5lAIyV7cATurVAieNjL4MClcfcujBqSJFiL0AeK7MQxqyQLngLGtX0KpTT/Ata6h CfnCdyQro9CZbsjvXz2mXuHRUbST0Tu7Bcf8bHNRwXcNuzdierzkI3Ht8sAvs7kSCw VTNyTexUfmBPg== Date: Wed, 30 Apr 2025 10:06:30 -0300 From: Arnaldo Carvalho de Melo To: Ravi Bangoria Cc: Ingo Molnar , Namhyung Kim , Peter Zijlstra , Joe Mario , Stephane Eranian , Jiri Olsa , Ian Rogers , Kan Liang , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Santosh Shukla , Ananth Narayan , Sandipan Das Subject: Re: [PATCH v4 4/4] perf test amd ibs: Add sample period unit test Message-ID: References: <20250429035938.1301-1-ravi.bangoria@amd.com> <20250429035938.1301-5-ravi.bangoria@amd.com> <4bea7b8a-9ff5-4ae9-8154-57ec7377ee4e@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@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: <4bea7b8a-9ff5-4ae9-8154-57ec7377ee4e@amd.com> On Wed, Apr 30, 2025 at 02:32:12PM +0530, Ravi Bangoria wrote: > On 30-Apr-25 6:52 AM, Arnaldo Carvalho de Melo wrote: > > On Tue, Apr 29, 2025 at 10:13:53PM -0300, Arnaldo Carvalho de Melo wrote: > >> Adding the patch below cures it, still need to test on a Zen 5 system. > >> These issues were just in the regression test. > > BTW, all is at the tmp.perf-tools-next branch at: > > https://git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git > I tested with few simple perf mem/c2c commands and it seems to be working > fine. Thanks for checking! While testing it I noticed that locally built kernels using O= to separate the build files from source are ending up with: root@number:/home/acme/git/linux# readelf -wi ../build/v6.15.0-rc4+/vmlinux | grep -m1 DW_AT_comp_dir <17> DW_AT_comp_dir : (indirect line string, offset: 0): /home/acme/git/build/v6.15.0-rc4+ root@number:/home/acme/git/linux# readelf -wi ../build/v6.15.0-rc4+/vmlinux | grep DW_AT_comp_dir | cut -d: -f4 | sort | uniq -c 49 /home/acme/git/build/v6.15.0-rc2+ 3104 /home/acme/git/build/v6.15.0-rc4+ root@number:/home/acme/git/linux# I reused a previous build dir, something got reused, but then tools like annotate, objdump -dS can't find the sources. A distraction while testing your patches :-\ - Arnaldo