diff options
Diffstat (limited to 'guides/setups/operating-systems')
| -rw-r--r-- | guides/setups/operating-systems/debian.org | 50 | ||||
| -rw-r--r-- | guides/setups/operating-systems/opensuse.org | 3 |
2 files changed, 53 insertions, 0 deletions
diff --git a/guides/setups/operating-systems/debian.org b/guides/setups/operating-systems/debian.org index 8f92025..3037bc1 100644 --- a/guides/setups/operating-systems/debian.org +++ b/guides/setups/operating-systems/debian.org @@ -413,6 +413,56 @@ suspects. Some things I considered: Now to pinpoint what's wrong with 5.8… ***** TODO fixing +Found a way to "quantify" the problem; asked around on the +debian-kernel mailing list, to no avail. + +- [[https://lists.debian.org/debian-kernel/2020/11/msg00084.html][2020-11]] - original report that 5.8 from backports triggers the + issue: "wait for 5.9 to be available from backports or even 5.10" + (LTS for the next Debian stable version) +- [[https://lists.debian.org/debian-kernel/2020/12/msg00040.html][2020-12]] - quick report that 5.9 from backports does not improve + things: 🦗 +- [[https://lists.debian.org/debian-kernel/2021/02/msg00231.html][2021-02]] - quick report that 5.10 from backports does not improve + things *✨with scripts & numbers✨*: 🦗 + +#+begin_quote + for ((i=0; i<100; i++)); do + time -p terminator -x 'bash -c exit' + done &> time-$(uname -r) + + grep $mode time-$(uname -r) | sort -k2 + +Where $mode is either real, user or sys. Here are the extrema: + + real user sys + min max min max min max +5.7 0.44 0.48 0.29 0.35 0.02 0.08 +5.10 0.47 3.30 0.31 2.87 0.02 0.30 +5.10-after-suspend 0.46 0.50 0.30 0.36 0.03 0.08 + +Averages & standard deviations: + + real user sys +5.7 0.454±0.006 0.322±0.013 0.046±0.013 +5.10 0.961±0.607 0.559±0.518 0.074±0.052 +5.10-after-suspend 0.469±0.005 0.332±0.012 0.050±0.011 + +These results feel consistent with the stutter I observe: 5.7 and +5.10-after-suspend have roughly the same performance, while +freshly-booted 5.10 is overall very jittery: terminator startup is twice +as slow on average, with 100× more variance. + + +Some more stats, eyeballed from /proc/cpuinfo and +/sys/devices/system/cpu/cpufreq/policy*/scaling_governor: + + idle frequency CPU governor +5.7 < 800 MHz powersave +5.10 > 1900 MHz ondemand +5.10 (after suspend) < 900 MHz ondemand +#+end_quote + +- [[https://lists.debian.org/debian-kernel/2021/08/msg00278.html][2022-08]] - quick report that 5.10 from a fresh bullseye install does + not improve things: 🦗 * Someday ** fix xfce4-terminal opening links with firefox-esr ** fix Thunar opening images with Firefox instead of Ristretto diff --git a/guides/setups/operating-systems/opensuse.org b/guides/setups/operating-systems/opensuse.org index 8ac7a82..2416f5f 100644 --- a/guides/setups/operating-systems/opensuse.org +++ b/guides/setups/operating-systems/opensuse.org @@ -72,6 +72,9 @@ Following instructions from [[https://en.opensuse.org/SDB:Administer_with_sudo][ $ sudo localectl set-x11-keymap fr pc105 latin9 ctrl:nocaps #+end_src To set this for TTYs: cf. [[./console.org]]. +** Applications +*** Firefox +- Clear =browser.newtabpage.pinned= * Packages that took me more than one minute to find ** spell-checking - hunspell |