From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C6EF61DDC5; Wed, 10 Jul 2024 14:56:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720623381; cv=none; b=IvdZJCDyxWYMNTgVHPbd4YkjfVRpVhEMALyzNAdqF8lcrIyVF0SXv0ssciBExX5zyYeRBO4L5hyhRAWUKfkVC5by3AYc6j6HDrAoPAhIU/e4tWSOENrd7z9PGw2BVKtpKSQbJG5egdqATJitH5uewFUYl6XHC0plcM65clmJZtY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720623381; c=relaxed/simple; bh=tnbDTbpHQOnSqTuFAT5Bl6MvUDU4H/kU92kC2+0SVuk=; h=Date:From:To:Cc:Subject:Message-Id:In-Reply-To:References: Mime-Version:Content-Type; b=m8el30ezsnitl1aHiO26SziUZe6Yj6RQSPSt6Xj13ZS2+/AHtZNNv/dNFqCG0Csrnk7VZ8GJU8yrVx88UQWe+rAPPC31Dd77A7JxVGxCra0xXxczdgyPs8415WTVi7ntnwoHz4tCID0Lk6+ae7mp4eOM0k/AY4iFin7hI9ojKvE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WKNn1fpw; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="WKNn1fpw" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9069CC4AF09; Wed, 10 Jul 2024 14:56:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720623381; bh=tnbDTbpHQOnSqTuFAT5Bl6MvUDU4H/kU92kC2+0SVuk=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=WKNn1fpwU6pWrI+mMptruQDzqTuI/k9lf327zPjejidU1V7jMeo8fg4H/ZETuV+xK 2kOC6vrMGp9sa5FxbzrODl8huXQ52+qTLpvcbcEzOCWz+f6bYi8y6gNbUq/GJlwPMN rlSxpOZPgFjVITcs/KpJ+SDTyT/LN7TekT8gn+AcuAmdGxGHASJ2dwsJ0Kwt6PIizW sMcOEPCyQro6CavdI3rORtHzILJFJhnBnMJ5pW5TniBS3/BuSnbV2nD/ZaknEHQC0Y XnLv/9JmwLsHgN41pl3tI2CE/aeeTW9p+THXAn7O2gbZwHwPcN1lYaYWjV/njXgHVp jC99YzU/Q2iVA== Date: Wed, 10 Jul 2024 23:56:16 +0900 From: Masami Hiramatsu (Google) To: Peter Zijlstra Cc: Jiri Olsa , Andrii Nakryiko , mingo@kernel.org, andrii@kernel.org, linux-kernel@vger.kernel.org, rostedt@goodmis.org, oleg@redhat.com, clm@meta.com, paulmck@kernel.org, bpf Subject: Re: [PATCH 00/10] perf/uprobe: Optimize uprobes Message-Id: <20240710235616.5a9142faf152572db62d185c@kernel.org> In-Reply-To: <20240710101003.GV27299@noisy.programming.kicks-ass.net> References: <20240708091241.544262971@infradead.org> <20240709075651.122204f1358f9f78d1e64b62@kernel.org> <20240709090304.GG27299@noisy.programming.kicks-ass.net> <20240709101634.GJ27299@noisy.programming.kicks-ass.net> <20240710071046.e032ee74903065bddba9a814@kernel.org> <20240710101003.GV27299@noisy.programming.kicks-ass.net> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 10 Jul 2024 12:10:03 +0200 Peter Zijlstra wrote: > On Wed, Jul 10, 2024 at 07:10:46AM +0900, Masami Hiramatsu wrote: > > > > FFS :-/ That touches all sorts and doesn't have any perf ack on. Masami > > > what gives? > > > > This is managing *probes and related dynamic trace-events. Those has been > > moved from tip. Could you also add linux-trace-kernel@vger ML to CC? > > ./scripts/get_maintainer.pl -f kernel/events/uprobes.c > > disagrees with that, also things like: > > https://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git/commit/?h=probes/for-next&id=4a365eb8a6d9940e838739935f1ce21f1ec8e33f > > touch common perf stuff, and very much would require at least an ack > from the perf folks. Hmm, indeed. I'm OK to pass those patches (except for trace_uprobe things) to -tip if you can. > > Not cool. Yeah, the probe things are boundary. BTW, IMHO, there could be dependency issues on *probes. Those are usually used by ftrace/perf/bpf, which are managed by different trees. This means a series can span multiple trees. Mutually reviewing is the solution? Thank you, -- Masami Hiramatsu (Google)