linux-kernel - Re: [PATCH v7 00/12] unwind_deferred: Implement sframe handling

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Message-ID: <20250703203628.09291030@batman.local.home>
Date: Thu, 3 Jul 2025 20:36:28 -0400
From: Steven Rostedt <rostedt@...dmis.org>
To: Jens Remus <jremus@...ux.ibm.com>
Cc: linux-kernel@...r.kernel.org, linux-trace-kernel@...r.kernel.org,
 bpf@...r.kernel.org, x86@...nel.org, Indu Bhagat <indu.bhagat@...cle.com>,
 Masami Hiramatsu <mhiramat@...nel.org>, Mathieu Desnoyers
 <mathieu.desnoyers@...icios.com>, Josh Poimboeuf <jpoimboe@...nel.org>,
 Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...nel.org>, Jiri
 Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Thomas
 Gleixner <tglx@...utronix.de>, Andrii Nakryiko <andrii@...nel.org>, "Jose
 E. Marchesi" <jemarch@....org>, Beau Belgrave <beaub@...ux.microsoft.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton
 <akpm@...ux-foundation.org>, Jens Axboe <axboe@...nel.dk>, Florian Weimer
 <fweimer@...hat.com>, Heiko Carstens <hca@...ux.ibm.com>, Vasily Gorbik
 <gor@...ux.ibm.com>
Subject: Re: [PATCH v7 00/12] unwind_deferred: Implement sframe handling

On Wed, 2 Jul 2025 14:57:22 +0200
Jens Remus <jremus@...ux.ibm.com> wrote:

> Additionally it would make sense to include the patches from Josh that
> add SFrame information to the vDSO on x86 [3].
> 
> [1]: [PATCH v12 00/11] perf: Support the deferred unwinding infrastructure,
> https://lore.kernel.org/linux-trace-kernel/20250701180410.755491417@goodmis.org/
> 
> [2]: https://lore.kernel.org/linux-trace-kernel/51903e66-56bc-42a4-b80c-9c3223e2a48a@linux.ibm.com/
> 
> [3]: [PATCH v6 0/6] x86/vdso: VDSO updates and fixes for sframes,
> https://lore.kernel.org/all/20250425023750.669174660@goodmis.org/

I didn't add the VDSO yet, but I just pushed to the linux-trace.git
tree as:

   unwind/main

that has my latest perf and sframe code merged. It's my work in
progress and is not what I published yet as patches.

It's firework holiday here so I'm going to be mostly offline until Monday.

-- Steve