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=1794601581; b=PIbeqTdWiZkHvN8oaxIyXn4EMzC+g2PrcXIOlY+bkew3/0h3yLwWReKXvzoVDOsMZyGg mSbjIr/h2huf4VUPrpbjIXQT2j6kAOsQhH/x8SchqG6NBHuOA+b7SCBkPiF0XTXv2AwVE xHHUyZd4VlCOfPAG+6rxpvNneNRr9OF/GQO1frmWETf9IA12/egD/SYCogXjIp/NFz6ic p2qFEpQ4YQxrSfwYBuYHkWde5bYYIp/Nu3x/gtJmu1dCbhq2Wrgb5B21NWb2PlbGKfVMY Ca9v2pRgvg7b6vVJanhsnfY6ZcSj433fmpLNclsaNmGqJjayFAWq8UeeVbkWRR1okwQ== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794601581; h=Received:DKIM-Signature:Message-ID:From:Subject:Reply-To:To:Cc: In-Reply-To:References:Content-Type:Content-Transfer-Encoding:Date; bh=cYwKFNqzlAGS1Tis2Iyth77sSdlQu2JduBWKYAaRo9E=; b=15TbXord/aRfzPFgXcXB5UTHAffV43y0hhS4H1jf0ZwuW2++sHR/BYumTgedNtkJ7hRs n4ycN1s9kqBbDIsuhggLwM/u2e6uobEedo/+GlRx/y7pbZqTwdrj42Oo8fMvQw+UdvsCn AmqfGPtTTFkto3P2QUVUSHwHdKbwRNjxlVNwQ54WQPphtOPGz82rI6BkI7BP+naEyVfCo Yp/rJgi9DDcyJ4iZmpSN//0nEaA1rRMIGcfN2bXPaAVMJm6NYpPsletQYxKYm0OrlJbLH zdFmS5ZqhiAM+Cgrm8qQA0Z7Or6ICHKtYf3VaipLSEoaxJw0a54bbSmzlKm4q6i8ylw== 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=goMZE0xD; 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 6CBD5606A332 for ; Fri, 13 Nov 2026 20:26:21 +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=goMZE0xD Received: by smtp.kernel.org (Postfix) with ESMTPSA id 027731F000C4; Fri, 13 Nov 2026 20:26:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1794601581; bh=cYwKFNqzlAGS1Tis2Iyth77sSdlQu2JduBWKYAaRo9E=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=goMZE0xDJq2TQV4LF1vS1ealehDQsxtSFSZDxfmTIJpRvyWnk1w0oE0X8qDG1AT01 om7MistUue6KcDRZ0ax2g/O9KEEtwSW9QrxxDyUa003tVr5prx9iqOg/2C7HDqxAFL kD/1xnImlnNV/jk6+CkKEigkZva5EMyXAeuwZFsFsWRcUwGA7bUeWSaRxwvFtXv6QM FWX+iMOQnQlPJMHL3mWFwfnXzVYL/EYz2a8RtE4L7UG9K2B+cgcKCnDhRLBIcaMOsm Du74udkA4G5sReBakuZdsHxqKxyjQkQFJWq66pythFcbpH5aDVeX6Rugg2GuSPdxUc 3xlcckwrUZbVg== Message-ID: From: sashiko-bot@kernel.org Subject: Re: [PATCH v2 01/11] perf scripts: Add a coverage harness for perf Reply-To: sashiko-reviews@lists.linux.dev To: "Arnaldo Carvalho de Melo" Cc: linux-perf-users@vger.kernel.org In-Reply-To: <20261113200850.2803460-2-acme@kernel.org> References: <20261113200850.2803460-1-acme@kernel.org> <20261113200850.2803460-2-acme@kernel.org> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 13 Nov 2026 20:26:20 +0000 X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list > From: Arnaldo Carvalho de Melo >=20 > Build perf with clang source based coverage, run the complete perf test > suite, merge the raw profiles and report line and function coverage for > perf, optionally against a baseline. This is pahole's > coverage/coverage.sh + coverage-diff.sh merged into one script, wired as > 'make -C tools/perf coverage' and listed in 'make help'. >=20 > Without -f the report lists the files with the most uncovered lines, > which is where new tests should try to get more coverage; -t narrows > the tests, -f focuses on specific files, --html writes a browsable > report and --table/-T, also available as 'make -C tools/perf > coverage-table', prints the last run as an ASCII table with the > per-file line and function coverage, like pahole's coverage_table.py. >=20 > [ ... ] >=20 > The run above was unprivileged, so tests that need root are skipped or > fail; the report still points at the gaps. >=20 > 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/20261113200850.2803= 460-1-acme@kernel.org?part=3D1