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From: Josh Poimboeuf <jpoimboe@kernel.org>
To: Andrii Nakryiko <andrii.nakryiko@gmail.com>
Cc: Andrii Nakryiko <andrii@kernel.org>,
	linux-trace-kernel@vger.kernel.org, peterz@infradead.org,
	rostedt@goodmis.org, mhiramat@kernel.org, x86@kernel.org,
	mingo@redhat.com, tglx@linutronix.de,
	linux-kernel@vger.kernel.org, bpf@vger.kernel.org, rihams@fb.com,
	linux-perf-users@vger.kernel.org
Subject: Re: [PATCH v2] perf,x86: avoid missing caller address in stack traces captured in uprobe
Date: Wed, 3 Jul 2024 15:41:01 -0700	[thread overview]
Message-ID: <20240703224101.36r32g7j2atskidg@treble> (raw)
In-Reply-To: <CAEf4Bza6YdQ5HCcuPozOwVx75UrcyZL_1DGnYrJ=2pz=DxJpPQ@mail.gmail.com>

On Wed, Jul 03, 2024 at 01:23:39PM -0700, Andrii Nakryiko wrote:
> > >  [0] https://docs.google.com/presentation/d/1k10-HtK7pP5CMMa86dDCdLW55fHOut4co3Zs5akk0t4
> >
> > I don't seem to have permission to open it.
> >
> 
> Argh, sorry, it's under my corporate account which doesn't allow
> others to view it. Try this, I "published" it, let me know if that
> still doesn't work:
> 
>   [0] https://docs.google.com/presentation/d/e/2PACX-1vRgL3UPbkrznwtNPKn-sSjvan7tFeMqOrIyZAFSSEPYiWG20JGSP80jBmZqGwqMuBGVmv9vyLU4KRTx/pub

The new link doesn't work either :-)

> > > Few questions, while we are at it. Does it mean that
> > > perf_callchain_user() will support working from sleepable context and
> > > will wait for data to be paged in? Is anyone already working on this?
> > > Any pointers?
> >
> > I had a prototype here:
> >
> >   https://lkml.kernel.org/lkml/cover.1699487758.git.jpoimboe@kernel.org
> >
> > Hopefully I can get started on v2 soon.
> 
> Ok, so you are going to work on this. Please cc me on future revisions
> then. Thanks!

Will do!

-- 
Josh

  reply	other threads:[~2024-07-03 22:41 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-02 17:18 [PATCH v2] perf,x86: avoid missing caller address in stack traces captured in uprobe Andrii Nakryiko
2024-07-02 23:35 ` Josh Poimboeuf
2024-07-02 23:39   ` Josh Poimboeuf
2024-07-03  0:06     ` Andrii Nakryiko
2024-07-03  1:11       ` Josh Poimboeuf
2024-07-03  3:35         ` Andrii Nakryiko
2024-07-03  6:11           ` Josh Poimboeuf
2024-07-03 20:23             ` Andrii Nakryiko
2024-07-03 22:41               ` Josh Poimboeuf [this message]
2024-07-03 22:58                 ` Andrii Nakryiko

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