From: Cesar Matheus <cesar.matheus@telecom-paris.fr>
To: ffmpeg-devel@ffmpeg.org
Subject: [FFmpeg-devel] [BASIC QUESTION] Profiling tool for ffmpeg
Date: Mon, 24 Feb 2025 15:43:25 +0100 (CET)
Message-ID: <577271964.20142847.1740408205310.JavaMail.zimbra@telecom-paris.fr> (raw)
Hi, I'm a CS student working on an optimisation of the ebur128 filter. First I'm looking for the nicest way to get information on code performance.
I saw that the configuration flag "--enable-linux-perf" enables Linux Performance Monitor API, I've been using the perf tool with the following commands for example :
./perf record -F 99 -a -g --call-graph dwarf ./ffmpeg -i test.wav -vn -af loudnorm=print_format=summary:dual_mono=true -f null /dev/null
but I'm not quite satisfate with the result.
Do you have any advice on how to properly extract informations such as execution time, function call graph etc.. in such a case using profiling tool (perf or gprof for example ?
Thank you very much,
César Mathéus
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".
next reply other threads:[~2025-02-24 14:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-24 14:43 Cesar Matheus [this message]
2025-02-24 14:44 ` Kieran Kunhya via ffmpeg-devel
2025-02-24 14:53 ` Devin Heitmueller
2025-02-24 17:03 ` Stone Chen
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=577271964.20142847.1740408205310.JavaMail.zimbra@telecom-paris.fr \
--to=cesar.matheus@telecom-paris.fr \
--cc=ffmpeg-devel@ffmpeg.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
Git Inbox Mirror of the ffmpeg-devel mailing list - see https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
This inbox may be cloned and mirrored by anyone:
git clone --mirror https://master.gitmailbox.com/ffmpegdev/0 ffmpegdev/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 ffmpegdev ffmpegdev/ https://master.gitmailbox.com/ffmpegdev \
ffmpegdev@gitmailbox.com
public-inbox-index ffmpegdev
Example config snippet for mirrors.
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git