From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-171.mta0.migadu.com (out-171.mta0.migadu.com [91.218.175.171]) (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 E7B651DB546 for ; Wed, 27 Aug 2025 06:54:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=91.218.175.171 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756277684; cv=none; b=SkomXqAeQ08ntFUdtoCfv/lqjUWtlmDUhOX/kEJSPSElMt/O5kiKcY8daOZqYTVJrRLmU9tVLggv5dn8z79/Z6Y6YR9b1vfecpYgKOaC41IMH2lZAmApe0lyvhVi8r0w9TIPzy7Zklf006jayvRYY/GKcYIPUFU3uJHTWrl3LEE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756277684; c=relaxed/simple; bh=skkMaqJJ+U3kGklh+BMpgZ/SHZGzQXad2rHRCM6J5RQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=SuF+RRURZxUvb6hhl68DZT39wCbApUXl+HoFWahIp6Zsso/cStxrRUDFuWqvqBtyiakRewkXnHS/B5Bf6D8YQOFWWwiK+uN2+sNTbzuEgrOsmWVFHv+RdnobfD3dzzzckL4GCQlzyGyRM8WD4+ONmnJROMMOHuR/xGDjkjseEao= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=dCFVyUgy; arc=none smtp.client-ip=91.218.175.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="dCFVyUgy" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1756277678; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=skkMaqJJ+U3kGklh+BMpgZ/SHZGzQXad2rHRCM6J5RQ=; b=dCFVyUgyh81T2anCnyTj3HBh4+W2MO8awED6tEyqwZtQkNrFE+npdx0pEcv80PpedYvjBZ FReaeZ0w8I/OMgVdpyvFRzsTtUMLbI9qiG0HoDLgOudSuOhwNK9Ha2uEAeKQSOXYMz1Vtk HZeRxL8KTmnz4ipOQ79uKkojEwvCQH0= From: Menglong Dong To: Menglong Dong , Jiri Olsa Cc: andrii@kernel.org, eddyz87@gmail.com, mykolal@fb.com, ast@kernel.org, daniel@iogearbox.net, martin.lau@linux.dev, song@kernel.org, yonghong.song@linux.dev, john.fastabend@gmail.com, kpsingh@kernel.org, sdf@fomichev.me, haoluo@google.com, shuah@kernel.org, yikai.lin@vivo.com, memxor@gmail.com, bpf@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH bpf-next v2 3/3] selftests/bpf: add benchmark testing for kprobe-multi-all Date: Wed, 27 Aug 2025 14:54:29 +0800 Message-ID: <6338236.lOV4Wx5bFT@7940hx> In-Reply-To: References: <20250826080430.79043-1-dongml2@chinatelecom.cn> <20250826080430.79043-4-dongml2@chinatelecom.cn> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-Migadu-Flow: FLOW_OUT On 2025=E5=B9=B48=E6=9C=8827=E6=97=A5=E6=98=9F=E6=9C=9F=E4=B8=89 02:48 Jiri= Olsa write: > On Tue, Aug 26, 2025 at 04:04:30PM +0800, Menglong Dong wrote: > > For now, the benchmark for kprobe-multi is single, which means there is > > only 1 function is hooked during testing. Add the testing > > "kprobe-multi-all", which will hook all the kernel functions during > > the benchmark. And the "kretprobe-multi-all" is added too. >=20 > hi, > fyi this bench causes panic on my setup.. very silent, so not sure > yet which function we should blacklist next, attaching my .config >=20 Yeah, I can reproduce it easily with your config. Let me have a debug on this problem. Thanks! Menglong Dong > jirka >=20