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Message-ID: <20240703224101.36r32g7j2atskidg@treble>
Date: Wed, 3 Jul 2024 15:41:01 -0700
From: Josh Poimboeuf <jpoimboe@...nel.org>
To: Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc: Andrii Nakryiko <andrii@...nel.org>, linux-trace-kernel@...r.kernel.org,
peterz@...radead.org, rostedt@...dmis.org, mhiramat@...nel.org,
x86@...nel.org, mingo@...hat.com, tglx@...utronix.de,
linux-kernel@...r.kernel.org, bpf@...r.kernel.org, rihams@...com,
linux-perf-users@...r.kernel.org
Subject: Re: [PATCH v2] perf,x86: avoid missing caller address in stack
traces captured in uprobe
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
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