From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=100.103.45.18 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792878218; b=TcFNTJhpJbpvag1yBbr5HA7aueWZ0LyUZVQfVk8HIkPpnt+kn67tyRiEuoqr/e5OmKPJ Pk5EIZi0/F1CH+76T4RLrs75TE3mXi4eluUky5trVLhA7Dr01LWHg9r/wIW2O9U5gDIqH IpH1Jy8wfFYwxcLxDu50xOcGenLA/PpGR+BPNuPqZjeHbGLrh82KSGJxH4k8vOSaYUDt7 eByw9P05B1Mcw+X/GSagyxO1epESF6qPvE3+cH58XSyP3GMQsUPu4kn37FI1xdsO5LFgF mdeAbnbzTt/kO15vlj1w52QRon6GTMcrcb2OMdX+X21ZmkYLcXvBukUeMbg+/Dn8h3Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792878218; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=3vNy5lDyOA+3yUWv9aoF6k9tgLVtBvniDXua5LXf9kg=; b=y8iu3AyVjuILW3aATPmCjCBErgV1zohgInv3R5vzutw+CAn1+uxN5Asl1My8D0jTRPiD RZtktKMBTQQEhQa6ScrkFraJk4tOhwdm3OGYN/cubQwNVCuJ/xJbdE+758B+uaZcsZnVQ iQ/FRmGEDd2Rc2KsFjjl3PlzVWNCNiJBGUc7TwXgWw72dRdEdDvYxdW3O1trfSoVLvzXL vkWKXDsd4T0L4NI/n4RYA0BLYtXaRDHcSOcSK2BZgRCG03dFcH3qLp9Z7RWUM6/2HyzC5 zL25a9cTDq7LFOjr8BObHVPNWRHpCWcnlceubvFvtwAtyG2igDT5V6wcLBmvwWPeqaw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=RYWzdbi7; arc=none smtp.remote-ip=100.103.45.18 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0526E606A330 for ; Sat, 24 Oct 2026 21:43:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=RYWzdbi7 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6B67B1F031E2; Sat, 24 Oct 2026 21:43:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1792878217; bh=3vNy5lDyOA+3yUWv9aoF6k9tgLVtBvniDXua5LXf9kg=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=RYWzdbi7zSZjpEaPIl3HNGIZ0EVUDgLie/r6bBahdLXr5Pcv3yxv4odRHZFd4o6Jy EFoIdOVeuVuEBmhbanrzQcc77L6NLWNJw6wpiAemsY/fGdB74xjtS7WeP4IM2QZCmS nMS/3i4axnIgfPTz+HeqqiXnReeQcpY+iEAAcb8vJpq4ALmRdR19rhV0ETPzqS8BlP yLRM96x9QHdXX+/6G/a4ZnhcVyEqb2/6QhazZ13LvEVx/OCkXoXbmIqfScFIMyr3eI yvf4TOAVuOd3hLPim/XpvkJJr+sKtOg61OSkNKGyWJIGpFiprLS4Mi7Jlc0WBB+ohy C3b5CmF7q22pQ== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH perf-tools-next v10 08/10] perf test: Add test for ftrace inline and task stack tracking Reply-To: sashiko-reviews@lists.linux.dev To: "Aaron Tomlin" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261024212549.450634-9-atomlin@atomlin.com> References: <20261024212549.450634-1-atomlin@atomlin.com> <20261024212549.450634-9-atomlin@atomlin.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sat, 24 Oct 2026 21:43:37 +0000 X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Add an automated unit test suite ("Ftrace inline processing") in > tools/perf/tests/ftrace.c to validate the function graph call stack > tracking and inlined function reconstruction implementation. >=20 > The test suite verifies: >=20 > 1. DWARF inline symbol resolution >=20 > Uses vmlinux_path__find() to locate the kernel image, setting up > symbol resolution and validating activate_task inlining within > wake_up_new_task at offset 0x1d1. >=20 > 2. Inline presentation and return address filtering >=20 > Verifies that synthesised inlined entries and exits are > [ ... ] > Verifies that dynamic call stack growth and depth recovery > operate cleanly under deep call stacks exceeding the initial > FTRACE_MAX_STACK capacity. >=20 > Signed-off-by: Aaron Tomlin Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261024212549.4506= 34-1-atomlin@atomlin.com?part=3D8