From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out30-111.freemail.mail.aliyun.com (out30-111.freemail.mail.aliyun.com [115.124.30.111]) (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 9212A341050; Tue, 17 Mar 2026 01:44:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.111 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773711898; cv=none; b=gAGGc4tUoeUXFZ3Sk3E7vfK6+exhJcO0PX35MPa33loO9jFqoRiVWHltKWSqjqFrhw6D66DQ9GbhIbxS7OC/kyNzXb/jKFyrLpqkvrTOONODMclXIQ+MUnEx35VCnPAF04djnG3Q22v3Fsvo47Y6LPjbYCRad2ph/zWhIs4JqJQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773711898; c=relaxed/simple; bh=hnmQqFAuMAXBpw0fT6RkYdaNqS6B5uagQMd8UspN4B0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=LRYIiUl/Jo9kjQbDPKzTXZmjVDR22xzC+xwuwo0fJerEC8H+6VxFAifY7bCwjfA4Kn0P2PvwFBiFCXzMDw+QJ498lY+e8t38mOMtwbt/SkODgjIpbNgpw3NjRZs4SN9XmUKEGrpzm7oa1eAefKfoIZTmhxSyjRLCW3UgbX1efuQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=Qo7CKRhg; arc=none smtp.client-ip=115.124.30.111 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="Qo7CKRhg" DKIM-Signature:v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1773711886; h=From:To:Subject:Date:Message-ID:MIME-Version; bh=jR8xXeKXRtFp4B6MzFxUH+gq5oQ7668Kpt1nBF5hgrM=; b=Qo7CKRhgn0OLEPVn/cDiKZCa2cdBfLsFd6IwkmvH19PQmXkmLseZSx+g2WLKS6pTJZFSpGqSI1oRas2yGXvyO+vUvKJQRDAdlq9zwtWxQyouzq5oGorejKpXjxSiOntbjq4zCbRCv9h3bu8DAZ9xMmUpsFVnl90VXUey7j5vORg= X-Alimail-AntiSpam:AC=PASS;BC=-1|-1;BR=01201311R141e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=maildocker-contentspam033045133197;MF=cp0613@linux.alibaba.com;NM=1;PH=DS;RN=8;SR=0;TI=SMTPD_---0X.93N8l_1773711874; Received: from DESKTOP-S9E58SO.localdomain(mailfrom:cp0613@linux.alibaba.com fp:SMTPD_---0X.93N8l_1773711874 cluster:ay36) by smtp.aliyun-inc.com; Tue, 17 Mar 2026 09:44:45 +0800 From: cp0613@linux.alibaba.com To: irogers@google.com Cc: peterz@infradead.org, mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, guoren@kernel.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] perf build: Avoid argument list too long in orphan pruning Date: Tue, 17 Mar 2026 09:44:34 +0800 Message-ID: <20260317014434.1440-1-cp0613@linux.alibaba.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: 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 On Fri, 13 Mar 2026 08:47:31 -0700, irogers@google.com: > > > The original problem was encountered when compiling the Linux tool perf in > > buildroot. I think it might also occur in buildroot or yocto environments. > > > > I also constructed a method to reproduce the issue in an x86 native > > environment by extracting a long file list. The problem can be reproduced > > using: > > make -C tools/perf O=./patches-perf NO_LIBTRACEEVENT=1 NO_LIBPYTHON=1 > > Hi cp0613, > > I'm not sure what the patch diff is, but I think you're encountering > the issue discussed here: > https://lore.kernel.org/lkml/20260303211503.165337-1-mmayer@broadcom.com/ > The fix has been merged, so I'm not sure why it remains a problem. > > Thanks, > Ian Oh, I just wanted to provide a way to reproduce the issue with this patch. It looks like the same problem, but maybe I haven't updated my local code as soon as possible. Thanks for reminding me. Thanks, Pei