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 EC68139855; Thu, 18 Apr 2024 22:53:17 +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=1713480798; cv=none; b=d3iKtg8+xMSu0JwU5kBL1sPJ9gQ30jktCMmWI52tSe+Y/Q5o6t1e93HbrlUliYxZW7TBeQJMg/tkNKIWKf4rFrC2eMtNE0B741332iluyH73UWab15sddr5jcVgKHHRZKaiC5k4BzaVwFGMFKrh/E8a5uITscQ0rzk5tRQ9Q5Lo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713480798; c=relaxed/simple; bh=HFF4ul5e2v3wwoR8XKGER96ZYBoacAgLz1f7S8OlMp4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=HYqbQzkm5NNUyWjxRZSVHFoxp0+Q5ShhGYhVqPXIwUC922y4Cc0tvcgE0gDbndi3vubwwRwiSTqG3+Q2+4MY2IvSCd/HtqDQjbUoFlN673BYa9Xp7+u1jxf9fWDE52lsRtvRDUSNdJSMnmr3PtcH/Z4vdwInrudcv/DQp7xf67Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=D2f1SG8l; 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="D2f1SG8l" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6A93C113CC; Thu, 18 Apr 2024 22:53:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713480797; bh=HFF4ul5e2v3wwoR8XKGER96ZYBoacAgLz1f7S8OlMp4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=D2f1SG8lCa6blXcpsdIZTtO0+7BojWCA9IOcR05QReQ4ZVGaXCVUm0oJNkbBgr+8X 1ig+1scVjgZYKkw0Ak33XcuhRrdGzXI18rDJ5IehHxyv53jwGmMK2X/t6ZLM6RqUTw PulWa7VN+97ABrIMFnuI3YnFyMPNQyrxLFRWm4pWi3781Sagm9DrSBSHU/XpC/iLyk F2ilZgbYAZNLV2e5TOo30I3cYc7uf8xtzStU37d1aal3uxM9rA+IwnzdzzeBDjmPie qfbjjhiL/v/iMK+wLue5QcjY+BFKMP/JA2Z+zlp5laT4+th1/+zuDFxaab7TuNZAF+ wZvGplm/Xep8Q== Date: Thu, 18 Apr 2024 15:53:14 -0700 From: Josh Poimboeuf To: Steven Rostedt Cc: Peter Zijlstra , Beau Belgrave , mingo@redhat.com, acme@kernel.org, namhyung@kernel.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, mark.rutland@arm.com, alexander.shishkin@linux.intel.com, jolsa@kernel.org, irogers@google.com, adrian.hunter@intel.com, primiano@google.com, aahringo@redhat.com, dcook@linux.microsoft.com, Josh Poimboeuf Subject: Re: [RFC PATCH 0/4] perf: Correlating user process data to samples Message-ID: <20240418225314.rbg7qwszbsvezz76@treble> References: <20240412001732.475-1-beaub@linux.microsoft.com> <20240412071245.GD30852@noisy.programming.kicks-ass.net> <20240412163724.GB467-beaub@linux.microsoft.com> <20240413105338.GD40213@noisy.programming.kicks-ass.net> <20240413084857.147c6f40@rorschach.local.home> Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20240413084857.147c6f40@rorschach.local.home> On Sat, Apr 13, 2024 at 08:48:57AM -0400, Steven Rostedt wrote: > On Sat, 13 Apr 2024 12:53:38 +0200 > Peter Zijlstra wrote: > > > On Fri, Apr 12, 2024 at 09:37:24AM -0700, Beau Belgrave wrote: > > > > > > Anyway, since we typically run stuff from NMI context, accessing user > > > > data is 'interesting'. As such I would really like to make this work > > > > depend on the call-graph rework that pushes all the user access bits > > > > into return-to-user. > > > > > > Cool, I assume that's the SFRAME work? Are there pointers to work I > > > could look at and think about what a rebase looks like? Or do you have > > > someone in mind I should work with for this? > > > > I've been offline for a little while and still need to catch up with > > things myself. > > > > Josh was working on that when I dropped off IIRC, I'm not entirely sure > > where things are at currently (and there is no way I can ever hope to > > process the backlog). > > > > Anybody know where we are with that? > > It's still very much on my RADAR, but with layoffs and such, my > priorities have unfortunately changed. I'm hoping to start helping out > in the near future though (in a month or two). > > Josh was working on it, but I think he got pulled off onto other > priorities too :-p Yeah, this is still a priority for me and I hope to get back to it over the next few weeks (crosses fingers). -- Josh