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 8C5FA377AA6 for ; Sat, 3 Oct 2026 01:33:40 +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=1790991221; cv=none; b=bl3kzpYZ3LOhHxv3zlXnlpbqGhi0NgvthhokSgqSHNzGfeN3J+a0lyA5Lj19F3lXdjdfB1VH8vUJ5Oke4ViySQVdoRHmSWISOeTRdfiXqBKTdwv4FPv3mC4ba7RLhxX6Ty7bwlTw6GnjmKQjJSoN8yQGx9bjsP6O931XU4d7tz8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790991221; c=relaxed/simple; bh=ApA2VdgjbnWWpLVSxKi0NyxX3bst5UEbU2C3YVVC/AY=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=pN8SvHY/mCQNMLVqyCozbmTXwkLObDQjNVyjTHNA0dMjQKVUAzp/c/iNrp67219IqeK5yKxsxJt+6Y53EBStZ+A8M7GjFZ7lAJyjaScnl7fIwpXDNNbE+jQNSMvlVFgmr2kwnCIE19HnDtccWR4+o2xJ9/MD2GNJ28lRooVXMCk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bzb532En; 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="bzb532En" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 014FD1F00899; Sat, 3 Oct 2026 01:33:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790991220; bh=gYkMKjvqoELWtVwd3ifkqasuUaHsZclo7atTVcGpGdE=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=bzb532EnlV5LbDWx/uC+QPXhNrCvnOMMJk/3ok1aUH77lJshGbRrr0D454Jm/NtKu pB2uZ7ScpcslOSci0uYCEKX5FPAXWweZhIpaZ7KB79lqnKjMMbmDTsXZsrM15vO0Gj 6wprEQn4tfbqz/7PQpmZ/+QlJ/BtOgKNwEn6W/pVKN5esHt2+KNyBG/BgmjpxzCctY 2AP+aN7ncIJ0MEowrRB8FLp9HoEJNhnvznPPmag0Z6K0oHSrPcIb6Us3UEnj+CBeC9 pZclWM6fiB2++ujJwOSdapawULtBIlK3ZMEbPRQQVB47Y/PQu8IxspGdpkmr38EuJb jjsW4p/LHYGLQ== From: sashiko-bot@kernel.org Subject: Re: [PATCH v4 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: <20261002-perf-symbol-memory-send-v4-5-0a592bb2539e@uber.com> References: <20261002-perf-symbol-memory-send-v4-0-0a592bb2539e@uber.com> <20261002-perf-symbol-memory-send-v4-5-0a592bb2539e@uber.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sat, 03 Oct 2026 01:33:39 +0000 Message-Id: <20261003013340.014FD1F00899@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/20261002-perf-symbo= l-memory-send-v4-0-0a592bb2539e@uber.com?part=3D5