Linux Perf Users
 help / color / mirror / Atom feed
From: Milian Wolff <milian.wolff@kdab.com>
To: linux-perf-users@vger.kernel.org
Subject: Accessing sample data (like period) for trace events from python scripts
Date: Tue, 16 Aug 2016 20:42:01 +0200	[thread overview]
Message-ID: <12483222.2TZrqxLJ8H@agathebauer> (raw)

[-- Attachment #1: Type: text/plain, Size: 887 bytes --]

Hey all,

It doesn't seem to be possible to access the period, tid and various other 
sample fields from a python (and perl?) script using `perf script`. My use-
case would be analyzing a perf data file created by perf inject --sched-stat.

I have hacked something together locally in python_process_tracepoint, but 
wonder what an upstreamable version should look like:

- I simply added the sample data to the dict, like is done in 
python_process_general_event

- Alternatively, one could think of more `common_period(context)` functions. 
If that is preferable, I could add the sample to the scripting_context and 
make that work.

Please advise the path forward, I'm willing to send a patch upstream to make 
it work.

Cheers
-- 
Milian Wolff | milian.wolff@kdab.com | Software Engineer
KDAB (Deutschland) GmbH&Co KG, a KDAB Group company
Tel: +49-30-521325470
KDAB - The Qt Experts

[-- Attachment #2: smime.p7s --]
[-- Type: application/pkcs7-signature, Size: 5903 bytes --]

             reply	other threads:[~2016-08-16 18:42 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-16 18:42 Milian Wolff [this message]
2016-08-17  3:05 ` Accessing sample data (like period) for trace events from python scripts Namhyung Kim
2016-08-17  8:48   ` Milian Wolff
2016-08-19  1:35     ` Namhyung Kim
2016-08-19  1:51       ` Namhyung Kim
2016-08-20 20:30         ` Milian Wolff
2016-08-23  2:42           ` Namhyung Kim
2016-08-23 19:48             ` Milian Wolff

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=12483222.2TZrqxLJ8H@agathebauer \
    --to=milian.wolff@kdab.com \
    --cc=linux-perf-users@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox