From: Daniel Bristot de Oliveira <bristot@kernel.org>
To: Daniel Bristot de Oliveira <bristot@kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>,
Jonathan Corbet <corbet@lwn.net>,
Juri Lelli <juri.lelli@redhat.com>,
Clark Williams <williams@redhat.com>,
Bagas Sanjaya <bagasdotme@gmail.com>,
linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH V4 0/3] Add osnoise/options options
Date: Wed, 30 Nov 2022 19:19:08 +0100 [thread overview]
Message-ID: <cover.1669832184.git.bristot@kernel.org> (raw)
After adding the osnoise/options file, a set of on/off options
came to my mind, most based on discussions while debugging problems
with Juri and Clark.
The PANIC_ON_STOP option facilitates the vmcore generation to aid
in the latency analysis using a crash dump.
The OSNOISE_PREEMPT_DISABLE and OSNOISE_IRQ_DISABLE options refine
the type of noise that the osnoise tracer detects, allowing the
tool to measure only IRQ-related noise, or NMI/HW-related noise,
respectively.
Each patch has a description of the options and the last patch
documents them in the osnoise documentation file.
[1] https://lore.kernel.org/r/cover.1668692096.git.bristot@kernel.org/
Changes from V3:
- Fix documentation (Bagas Sanjaya)
- Optmize the preempt disable option (Steven Rostedt)
Changes from v2:
- rebased on top of linux-trace.git/ftrace/core
- removed the patches already added to the ftrace/core
Changes from v1:
- Changed the cover letter topic
- Add Acked-by Masami to the first patch
- Add the PANIC_ON_STOP option
- Add the OSNOISE_PREEMPT_DISABLE and OSNOISE_IRQ_DISABLE options
- Improved the documentation
Daniel Bristot de Oliveira (3):
tracing/osnoise: Add PANIC_ON_STOP option
tracing/osnoise: Add preempt and/or irq disabled options
Documentation/osnoise: Add osnoise/options documentation
Documentation/trace/osnoise-tracer.rst | 20 +++++++++-
kernel/trace/trace_osnoise.c | 52 +++++++++++++++++++++++---
2 files changed, 65 insertions(+), 7 deletions(-)
--
2.32.0
next reply other threads:[~2022-11-30 18:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-30 18:19 Daniel Bristot de Oliveira [this message]
2022-11-30 18:19 ` [PATCH V4 1/3] tracing/osnoise: Add PANIC_ON_STOP option Daniel Bristot de Oliveira
2022-11-30 18:19 ` [PATCH V4 2/3] tracing/osnoise: Add preempt and/or irq disabled options Daniel Bristot de Oliveira
2022-12-09 20:35 ` Steven Rostedt
2022-12-09 21:16 ` Daniel Bristot de Oliveira
2022-11-30 18:35 ` [PATCH V4 3/3] Documentation/osnoise: Add osnoise/options documentation Daniel Bristot de Oliveira
2022-12-01 3:59 ` Bagas Sanjaya
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