From: Steven Rostedt <rostedt@goodmis.org>
To: Marco Elver <elver@google.com>
Cc: Kees Cook <keescook@chromium.org>,
Lukas Bulwahn <lukas.bulwahn@gmail.com>,
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Shuah Khan <shuah@kernel.org>
Subject: Re: [PATCH v2 0/2] Introduce the pkill_on_warn parameter
Date: Mon, 22 Nov 2021 11:21:06 -0500 [thread overview]
Message-ID: <20211122112106.5fa656bc@gandalf.local.home> (raw)
In-Reply-To: <YZjnREFGhEO9pX6O@elver.google.com>
On Sat, 20 Nov 2021 13:17:08 +0100
Marco Elver <elver@google.com> wrote:
> I think userspace would want something other than perf tool to handle it
> of course. There are several options:
>
> 1. Open trace pipe to be notified (/sys/kernel/tracing/trace_pipe).
> This already includes the pid.
I would suggest using /sys/kernel/tracing/per_cpu/cpu*/trace_pipe_raw
and use libtracefs[1] to read it.
-- Steve
[1] https://git.kernel.org/pub/scm/libs/libtrace/libtracefs.git/
next prev parent reply other threads:[~2021-11-22 16:21 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-27 23:32 [PATCH v2 0/2] Introduce the pkill_on_warn parameter Alexander Popov
2021-10-27 23:32 ` [PATCH v2 1/2] bug: do refactoring allowing to add a warning handling action Alexander Popov
2021-10-27 23:32 ` [PATCH v2 2/2] sysctl: introduce kernel.pkill_on_warn Alexander Popov
2021-11-12 21:24 ` Steven Rostedt
2021-11-12 18:52 ` [PATCH v2 0/2] Introduce the pkill_on_warn parameter Alexander Popov
2021-11-12 21:26 ` Linus Torvalds
2021-11-13 18:14 ` Alexander Popov
2021-11-13 19:58 ` Linus Torvalds
2021-11-14 14:21 ` Marco Elver
2021-11-15 13:59 ` Lukas Bulwahn
2021-11-15 15:51 ` [ELISA Safety Architecture WG] " Gabriele Paoloni
2021-11-16 7:52 ` Alexander Popov
2021-11-16 8:01 ` Lukas Bulwahn
2021-11-16 8:41 ` Petr Mladek
2021-11-16 9:19 ` Lukas Bulwahn
2021-11-16 13:20 ` James Bottomley
2021-11-15 15:52 ` Robert Krutsch
2021-11-15 16:06 ` Steven Rostedt
2021-11-15 22:06 ` Kees Cook
2021-11-16 9:12 ` Alexander Popov
2021-11-16 18:41 ` Kees Cook
2021-11-16 19:00 ` Casey Schaufler
2021-11-18 17:32 ` Kees Cook
2021-11-18 18:30 ` Casey Schaufler
2021-11-18 20:29 ` Kees Cook
2021-11-16 13:07 ` James Bottomley
2021-11-20 12:17 ` Marco Elver
2021-11-22 16:21 ` Steven Rostedt [this message]
2021-11-16 6:37 ` Christophe Leroy
2021-11-16 8:34 ` Alexander Popov
2021-11-16 8:57 ` Lukas Bulwahn
2021-11-15 8:12 ` Kaiwan N Billimoria
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