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=1794707271; b=VJSyMwwTuWqY2A93NaLdnJeZsZc4aQhU2SPG+M+tcwsHvIpRtvU2ns4xAaMDdkZgMIVn d37K0NhU3nBdP2A+v432k3jt5vxBGA6beJRLEKpwSiMEmaE5mG3su4paivmgpXvFIE7/4 ZdlMZsXgCPkZevxVSE+bsg/SzVY8nJI9Xp9vRlenVpOAZ0yny9+baUQd+mX0NtTsLhs6c 3xP4Xn/MVs2IjvzwaaqixJPg2MjKFsegIzVe3ttwRy9DGHDc0tvT+lDxGDkD95mjRv3kj CvqEomVQ4Tff4nRE+nXBaKISzWH+Auo0rEGZLFClJj1p1zPtoyPWp0vCA5oaIkqg42Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794707271; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=D0YuuZHE5mlN25CDi1OZz8ldedrsk8mTDwZbIoFufZE=; b=E1saIeyCSckOsY7SqXxdyQt14An0KubOZlQoZKqgBUClbI/owEam0YWTDU02JznQ1uoq 8yCxpgVRpc5Wn7tzjkYWMQq8VmBQCX9skki6UAJuSG7tIlCbwcdPxhJ7ZRNUE9hQJ9ZON 0qFRadiiHIUroL0MajEdISPSudA1I/7IYR3QM7NWxVF0PjY0tbZ2TfuTjjodVSt/Be7ek BRmecKXnIS1Y1rLVE0oI6Erz7u+gpoyt7Qv9RuhXNwErn+Tem5oRLQ+6awHl24VA0Ze/6 SibRqnYzYbMco/dxEhX8Bd1m0BN0GPO7QSBNYoheGNmpIEWKKc9eY7qc1av2kO6znJg== 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=fbH6mpVj; 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 59D5D606A323 for ; Sun, 15 Nov 2026 01:47:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20260515 header.b=fbH6mpVj Received: by smtp.kernel.org (Postfix) with ESMTPSA id 035071F000C4; Sun, 15 Nov 2026 01:47:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794707271; bh=D0YuuZHE5mlN25CDi1OZz8ldedrsk8mTDwZbIoFufZE=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=fbH6mpVj+0OvEof/G60Hn866zzY4VW+gr+kic13VTZmsYZLom4+/64MXZr6Tujf+g qo/y0fr+PVnsUDBC5JLuXkY4gmKX2c+ctYmbAzoMoDNTvkno8rAJX1wwxZ9K4FXxU7 ThfvY6RY3cfCXDJuOK84n/fooJeVdSOtywV+yV/D4TcpjUHmq1io6XFjwXDeCKNQ23 3M13/BSWzmAXcK87/OM7OrPD01WdLEzPADdG4IaJrkVay5u0RnWHVLxnpRdulFtPQM QjnC+C7aom2nI0//PZu1Nnd4Wyrh5hVJSt37WpeJZ1w6O1iD+GTOpznrowJ/KwCYiX k3QL2pnmbMNlg== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v3 11/12] perf test: Drop samples without an IP in the dlfilter test Reply-To: sashiko-reviews@lists.linux.dev To: "Arnaldo Carvalho de Melo" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261115014102.2879372-12-acme@kernel.org> References: <20261115014102.2879372-1-acme@kernel.org> <20261115014102.2879372-12-acme@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Sun, 15 Nov 2026 01:47:50 +0000 X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > Since v7.3 the kernel zeroes PERF_SAMPLE_IP when a userspace-only event > skids into kernel mode, so that kernel register state is not exposed to > an unprivileged event (166f10836a653dfa "perf/core: Fix kernel register > info leak via hardware skid"). >=20 > The test dlfilter keeps those samples, and the check that nothing but > test_loop survives then trips on their lines: the comm column reads > "perf". Drop them, which is what the test wants, everything except > test_loop must be filtered out. >=20 > Fixes: 199d5e872a9ce737 ("perf tests script dlfilter: Add a dlfilter test= ") > Cc: Ian Rogers > Signed-off-by: Arnaldo Carvalho de Melo Sashiko has reviewed this patch and found no issues. --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20261115014102.2879= 372-1-acme@kernel.org?part=3D11