[Bug 266259] www/firefox 104: high CPU usage

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 21 Sep 2022 20:50:28 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266259

--- Comment #7 from Riccardo Torrini <riccardo@torrini.org> ---
Some step into the right direction !!

About an hour ago I ran pkg update/upgrade:
- drm-fbsd13-kmod-5.4.191.g20220604_1 deinstalled
- drm-510-kmod-5.10.113_6 installed
- firefox upgraded: 103.0.1,2 -> 105.0_1,2
(reboot)

Not perfect as with 103 or lower but much better.
- CPU remain to 20-25% (never lower than this)
- first firefox process eat 50-70% of CPU (instead of 300+% as before)
- WebGL-Fluid-Simulation is responsive
- chrome perform much better than firefox :-(

  PID USERNAME    THR PRI NICE   SIZE    RES STATE    C   TIME    WCPU COMMAND
 1281 riccardo    144  22    0    13G  1549M select   2  33:20  55.86% firefox
 1201 root          8  22    0   481M   265M select   3   1:43   3.27% Xorg
 1322 riccardo     20  20    0  2678M   372M select   3   0:16   0.29% firefox
 1320 riccardo      3  20    0   545M   220M select   0   6:54   0.00% firefox
 1291 riccardo     21  20    0    19G   275M select   0   0:10   0.00% firefox
[...]

Maybe a mix of fix on drm-510 and firefox-105.
How can I help any further?

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