From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 964FF4B66E6 for ; Mon, 5 Oct 2026 17:41:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791222114; cv=none; b=XrToCudDpux27RlD51m9tPs5LfcyLifVxjGj0UqFEYh/PTht2AHG19+mGyoEaYIeattJ3ngbqC8bUrBtrFewvUsAjhXKnfemcOMmtHpe0W3Z7DW47Kqq9apHL5BhzuQLPMb5MxVcXPXovho7sMo3LncqyEwtruM+aqPGrOPIFM0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791222114; c=relaxed/simple; bh=O739V31gl9OrEY4nOdyTDia4qneZioIRE7Pf04i8CnA=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=tKHKTXZ4/GZT1bwnV+YZH6O0eEIfGMtkuGIcwL8/uqc8M0v+OAf6ZVPPQ/SJcGKJaUXk7AbH6SkOJHUMX8P9Buo0YtllVS8nKZNcaP7IscPwwYoLAVFVUq5ov5IS8AGaKgFK9fds84KHPkr/bKkTM+CYSV929CgJM5GC2FEm8II= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=oydt3geB; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="oydt3geB" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 242931F000FF; Mon, 5 Oct 2026 17:41:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791222113; bh=4TXSGAuAlz1HDEh7uRb6Fha+ZpVNG1uxTbPutZhs+mU=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=oydt3geBuBFD+xwZgFnJFtxyEtghyUUIB6P2SryVBDL2qNIK+uPay1m+PlT2q0zOW BKCQPGHuI4xAl6SCnfqIIk+SjHK2NupwGlEhP7qYdM88+V3P8AD/YdheZ7Xt8fR/Gg 4Gwm8LkrJ63kpKuxSDXe2ILUP39msHjNo9+TZ8QOPul5qJpOXUJ7nQBjf6vDupHE8J E1q5rXe8UNZUxF6L4UU75MVVd25sybag+Yv87dqK2074OZL5GcqErH983oYcJA8ghj PopY2lsVjFfq1VrwwkGxRe9L76+lEw7YvJRL1NvLuwicp5lERlif2Myw5UZkhYaqJt LITT8RIaPQlBQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH v5 5/5] perf test: Test lazy symbol loading Reply-To: sashiko-reviews@lists.linux.dev To: "Alireza Haghdoost" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261005-perf-symbol-memory-send-v5-5-165dceb2b049@uber.com> References: <20261005-perf-symbol-memory-send-v5-0-165dceb2b049@uber.com> <20261005-perf-symbol-memory-send-v5-5-165dceb2b049@uber.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Mon, 05 Oct 2026 17:41:52 +0000 Message-Id: <20261005174153.242931F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > From: Alireza Haghdoost >=20 > Add a perf script shell test for --lazy-load-symbols. >=20 > Record a small callchain fixture, require evidence that the controlled > perf DSO built an on-demand index, and compare only extracted occurrences > of the controlled test_loop symbol. This avoids coupling the test to > addresses, diagnostics, or architecture-specific symbols for which the > eager and lazy loaders have documented differences. When run as root, > also profile perf in a private mount namespace whose build-id cache > directory is hidden by a tmpfs, so that names must be read from the > build-id cache in perf's own namespace. >=20 > Report unsupported recording, missing controlled output, and unavailable > libelf as skips without replacing a prior failure, and keep helper > [ ... ] > - on x86_64, a binary with an IRELATIVE PLT slot whose IFUNC loses > duplicate selection to an alias that loses to another one in turn, > so the PLT symbol name depends on how the IFUNC mark is passed on. >=20 > Signed-off-by: Alireza Haghdoost Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261005-perf-symbo= l-memory-send-v5-0-165dceb2b049@uber.com?part=3D5