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From: Florian Weimer <fweimer@redhat.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org,
	 linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org,
	 x86@kernel.org,  Masami Hiramatsu <mhiramat@kernel.org>,
	 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	 Josh Poimboeuf <jpoimboe@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	 Ingo Molnar <mingo@kernel.org>, Jiri Olsa <jolsa@kernel.org>,
	 Namhyung Kim <namhyung@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	 Andrii Nakryiko <andrii@kernel.org>,
	 Indu Bhagat <indu.bhagat@oracle.com>,
	 "Jose E. Marchesi" <jemarch@gnu.org>,
	 Beau Belgrave <beaub@linux.microsoft.com>,
	Jens Remus <jremus@linux.ibm.com>,
	 Linus Torvalds <torvalds@linux-foundation.org>,
	 Andrew Morton <akpm@linux-foundation.org>,
	 Jens Axboe <axboe@kernel.dk>
Subject: Re: [PATCH v11 00/14] unwind_user: x86: Deferred unwinding infrastructure
Date: Mon, 30 Jun 2025 14:50:52 +0200	[thread overview]
Message-ID: <878ql9mlzn.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <20250625225600.555017347@goodmis.org> (Steven Rostedt's message of "Wed, 25 Jun 2025 18:56:00 -0400")

* Steven Rostedt:

> SFrames is now supported in gcc binutils and soon will also be supported
> by LLVM.

Is the LLVM support discussed here?

  [RFC] Adding SFrame support to llvm
  <https://discourse.llvm.org/t/rfc-adding-sframe-support-to-llvm/86900>

Or is there a secone effort?

> I have more patches on top of this series that add perf support, ftrace
> support, sframe support and the x86 fix ups (for VDSO). But each of those
> patch series can be worked on independently, but they all depend on this
> series (although the x86 specific patches at the end isn't necessarily
> needed, at least for other architectures).

Related to perf support: I'm writing up the SFrame change proposal for
Fedora, and I want to include testing instructions.  Any idea yet what a
typical “perf top” or “perf report” command line would look like?

Thanks,
Florian


  parent reply	other threads:[~2025-06-30 12:51 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-06-25 22:56 [PATCH v11 00/14] unwind_user: x86: Deferred unwinding infrastructure Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 01/14] unwind_user: Add user space unwinding API Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 02/14] unwind_user: Add frame pointer support Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 03/14] unwind_user: Add compat mode " Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 04/14] unwind_user/deferred: Add unwind_user_faultable() Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 05/14] unwind_user/deferred: Add unwind cache Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 06/14] unwind_user/deferred: Add deferred unwinding interface Steven Rostedt
2025-06-26 16:48   ` Steven Rostedt
2025-06-26 20:34     ` Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 07/14] unwind_user/deferred: Make unwind deferral requests NMI-safe Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 08/14] unwind deferred: Use bitmask to determine which callbacks to call Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 09/14] unwind deferred: Use SRCU unwind_deferred_task_work() Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 10/14] unwind: Clear unwind_mask on exit back to user space Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 11/14] unwind: Finish up unwind when a task exits Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 12/14] unwind_user/x86: Enable frame pointer unwinding on x86 Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 13/14] perf/x86: Rename and move get_segment_base() and make it global Steven Rostedt
2025-06-26  8:44   ` Ingo Molnar
2025-06-26 12:13     ` Steven Rostedt
2025-06-26 13:07   ` Peter Zijlstra
2025-06-26 15:13     ` Steven Rostedt
2025-06-25 22:56 ` [PATCH v11 14/14] unwind_user/x86: Enable compat mode frame pointer unwinding on x86 Steven Rostedt
2025-06-26  8:33   ` Ingo Molnar
2025-06-26 12:12     ` Steven Rostedt
2025-06-27 14:01       ` Steven Rostedt
2025-06-27 16:23         ` Linus Torvalds
2025-06-30 12:50 ` Florian Weimer [this message]
2025-06-30 16:35   ` [PATCH v11 00/14] unwind_user: x86: Deferred unwinding infrastructure Namhyung Kim
2025-06-30 17:30   ` Steven Rostedt
2025-07-02 11:44   ` Sam James
2025-07-02 16:15     ` Steven Rostedt
2025-07-02 17:14       ` Namhyung Kim
2025-07-03  4:01         ` Sam James
2025-07-02 17:10     ` Namhyung Kim

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