debian/changelog

@@ -1,29 +1,3 @@
-tileos-system-adjustments (1.6.1~tileos) unstable; urgency=medium
-
-  * Remove absolete 80-io-tweaks.rules
-  * Move Zram settings from udev to zram-generator.conf
-
- -- Aleksey Samoilov <samoilov.lex@gmail.com>  Mon, 28 Apr 2025 19:47:43 +0400
-
-tileos-system-adjustments (1.6.0~tileos) unstable; urgency=medium
-
-  * Update polkit rules 
-
- -- Aleksey Samoilov <samoilov.lex@gmail.com>  Tue, 09 Apr 2024 15:48:39 +0400
-
-tileos-system-adjustments (1.5.1~tileos) unstable; urgency=medium
-
-  * Fix comments
-
- -- Aleksey Samoilov <samoilov.lex@gmail.com>  Thu, 07 Mar 2024 11:27:49 +0400
-
-tileos-system-adjustments (1.5~tileos) unstable; urgency=medium
-
-  * Disable Kyber scheduler for SSD and set mq-deadline
-  * Disable scheduler for NVMe
-
- -- Aleksey Samoilov <samoilov.lex@gmail.com>  Fri, 16 Feb 2024 17:55:41 +0400
-
 tileos-system-adjustments (1.4~tileos) unstable; urgency=medium
 
   * Add Zram config

debian/tileos-system-adjustments.install

@@ -1,3 +1,2 @@
 /etc
 /var
-/usr

etc/sysctl.d/tileos.conf

@@ -1,12 +1,12 @@
 # Set the maximum watches on files
 fs.inotify.max_user_watches = 600000
 
-# For efficiency run-time is transferred between the global pool and CPU local
+For efficiency run-time is transferred between the global pool and CPU local
-# "silos" in a batch fashion.  This greatly reduces global accounting pressure
+"silos" in a batch fashion.  This greatly reduces global accounting pressure
-# on large systems.  The amount transferred each time such an update is required
+on large systems.  The amount transferred each time such an update is required
-# is described as the "slice".
+is described as the "slice".
-# Larger slice values will reduce transfer overheads, while smaller values allow
+Larger slice values will reduce transfer overheads, while smaller values allow
-# for more fine-grained consumption.
+for more fine-grained consumption.
 kernel.sched_cfs_bandwidth_slice_us = 3000
 
 # This file contains the maximum number of memory map areas a process may have. Memory map areas are used as a side-effect of calling malloc, directly by mmap, mprotect, and madvise, and also when loading shared libraries.

etc/systemd/zram-generator.conf.d/zram-generator.conf

@@ -1,5 +0,0 @@
-[zram0]
-compression-algorithm = zstd lz4 (type=huge)
-zram-size = ram
-swap-priority = 100
-fs-type = swap

etc/udev/rules.d/30-zram.rules

@@ -1,3 +1,9 @@
+# Prefer to recompress only huge pages. This will result in additional memory
+# savings, but may slightly increase CPU load due to additional compression
+# overhead.
+ACTION=="add", KERNEL=="zram[0-9]*", ATTR{recomp_algorithm}="algo=lz4 priority=1", \
+  RUN+="/sbin/sh -c echo 'type=huge' > /sys/block/%k/recompress"
+
 TEST!="/dev/zram0", GOTO="zram_end"
 
 # Since ZRAM stores all pages in compressed form in RAM, we should prefer
@@ -7,4 +13,10 @@ TEST!="/dev/zram0", GOTO="zram_end"
 # the disk.
 SYSCTL{vm.swappiness}="150"
 
+# Optimal value for games, so sets not too aggressive, but also not too weak
+# kswapd behavior, as described there:
+# https://www.reddit.com/r/linux_gaming/comments/vla9gd/comment/ie1cnrh/
+SYSCTL{vm.watermark_scale_factor}="125"
+SYSCTL{vm.watermark_boost_factor}="0"
+
 LABEL="zram_end"

etc/udev/rules.d/60-ioschedulers.rules

@@ -1,6 +1,7 @@
-# disable scheduler for NVMe
+# set scheduler for NVMe
-ACTION=="add|change", KERNEL=="nvme[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="none"
+ACTION=="add|change", KERNEL=="nvme[0-9]n[0-9]", ATTR{queue/scheduler}="kyber"
 # set scheduler for SSD
-ACTION=="add|change", KERNEL=="sd[a-z]*|mmcblk[0-9]*", ATTR{queue/rotational}=="0", ATTR{queue/scheduler}="mq-deadline"
+ACTION=="add|change", SUBSYSTEM=="block", ATTR{queue/rotational}=="0", KERNEL=="sd?", ATTR{queue/scheduler}="kyber"
-# set scheduler for HDD
+# set scheduler for rotating disks and SD cards
-ACTION=="add|change", KERNEL=="sd[a-z]*", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="bfq"
+ACTION=="add|change", SUBSYSTEM=="block", ATTR{queue/rotational}=="1", ATTR{queue/scheduler}="bfq"
+ACTION=="add|change", SUBSYSTEM=="block", KERNEL=="mmcblk?", ATTR{queue/scheduler}="bfq"

etc/udev/rules.d/80-io-tweaks.rules

@@ -0,0 +1,3 @@
+# Forced I/O multithreading
+ACTION=="add|change", SUBSYSTEM=="block", ATTR{queue/rq_affinity}="1"
+ACTION=="add|change", SUBSYSTEM=="block", ATTR{queue/iosched/fifo_batch}=="32"

usr/share/polkit-1/rules.d/com.tileos.desktop.rules

@@ -1,76 +0,0 @@
-// Mounting, checking, etc. of internal drives
-polkit.addRule(function(action, subject) {
-    if ((action.id == "org.freedesktop.udisks2.filesystem-mount-system" ||
-         action.id == "org.freedesktop.udisks2.encrypted-unlock-system" ||
-         action.id == "org.freedesktop.udisks2.filesystem-fstab") &&
-        subject.active == true && subject.local == true &&
-        subject.isInGroup("sudo")) {
-            return polkit.Result.YES;
-    }
-});
-
-// Change CPU Frequency scaling
-polkit.addRule(function(action, subject) {
-    if ((action.id == "org.gnome.cpufreqselector" ||
-         action.id == "org.mate.cpufreqselector" ) &&
-        subject.active == true && subject.local == true &&
-        subject.isInGroup("sudo")) {
-            return polkit.Result.YES;
-    }
-});
-
-// Setting the clock
-polkit.addRule(function(action, subject) {
-    if ((action.id == "org.gnome.controlcenter.datetime.configure" ||
-         action.id == "org.kde.kcontrol.kcmclock.save" ||
-         action.id == "org.freedesktop.timedate1.set-time" ||
-         action.id == "org.freedesktop.timedate1.set-timezone" ||
-         action.id == "org.freedesktop.timedate1.set-local-rtc" ||
-         action.id == "org.freedesktop.timedate1.set-ntp" ||
-         action.id == "com.canonical.controlcenter.datetime.configure" ||
-         action.id == "org.mate.settingsdaemon.datetimemechanism.settime") &&
-        subject.active == true && subject.local == true &&
-        subject.isInGroup("sudo")) {
-            return polkit.Result.YES;
-    }
-});
-
-// Update already installed software
-polkit.addRule(function(action, subject) {
-    if (action.id == "org.debian.apt.upgrade-packages" &&
-        subject.active == true && subject.local == true &&
-        subject.isInGroup("sudo")) {
-            return polkit.Result.YES;
-    }
-});
-
-// Printer administration
-polkit.addRule(function(action, subject) {
-    if (action.id.indexOf("org.opensuse.cupspkhelper.mechanism.") == 0 &&
-        subject.active == true && subject.local == true &&
-        (subject.isInGroup("sudo") || subject.isInGroup("lpadmin"))) {
-            return polkit.Result.YES;
-    }
-});
-
-// Disable hibernate by default in Ubuntu
-polkit.addRule(function(action, subject) {
-    if (action.id == "org.freedesktop.upower.hibernate" ||
-         action.id == "org.freedesktop.login1.hibernate" ||
-         action.id == "org.freedesktop.login1.handle-hibernate-key" ||
-         action.id == "org.freedesktop.login1.hibernate-multiple-sessions") {
-            return polkit.Result.NO;
-    }
-});
-
-// Allow admins to set the hostname,locale,keyboard,date/time without prompting
-polkit.addRule(function(action, subject) {
-    if ((action.id == "org.freedesktop.locale1.set-locale" ||
-         action.id == "org.freedesktop.locale1.set-keyboard" ||
-         action.id == "org.freedesktop.hostname1.set-static-hostname" ||
-         action.id == "org.freedesktop.hostname1.set-hostname") &&
-        subject.active == true && subject.local == true &&
-        subject.isInGroup("sudo")) {
-            return polkit.Result.YES;
-    }
-});

var/lib/polkit-1/localauthority/10-vendor.d/com.tileos.desktop.pkla

@@ -1,39 +1,6 @@
 [Mounting, checking, etc. of internal drives]
 Identity=unix-group:admin;unix-group:sudo
-Action=org.freedesktop.udisks2.filesystem-mount-system;org.freedesktop.udisks2.encrypted-unlock-system;org.freedesktop.udisks2.filesystem-fstab;
+Action=org.freedesktop.udisks.filesystem-*;org.freedesktop.udisks.drive-ata-smart*;org.freedesktop.udisks2.filesystem-mount-system;org.freedesktop.udisks2.encrypted-unlock-system;org.freedesktop.udisks2.filesystem-fstab;
-ResultActive=yes
+ResultAny=auth_admin
-
+ResultInactive=auth_admin
-[Change CPU Frequency scaling]
-Identity=unix-group:admin;unix-group:sudo
-Action=org.gnome.cpufreqselector;org.mate.cpufreqselector
-ResultActive=yes
-
-[Setting the clock]
-Identity=unix-group:admin;unix-group:sudo
-Action=org.gnome.clockapplet.mechanism.*;org.gnome.controlcenter.datetime.configure;org.kde.kcontrol.kcmclock.save;org.freedesktop.timedate1.set-time;org.freedesktop.timedate1.set-timezone;org.freedesktop.timedate1.set-local-rtc;org.freedesktop.timedate1.set-ntp;com.canonical.controlcenter.datetime.configure;org.mate.settingsdaemon.datetimemechanism.settime
-ResultActive=yes
-
-[Update already installed software]
-Identity=unix-group:admin;unix-group:sudo
-Action=org.debian.apt.upgrade-packages
-ResultActive=yes
-
-[Printer administration]
-Identity=unix-group:lpadmin;unix-group:admin;unix-group:sudo
-Action=org.opensuse.cupspkhelper.mechanism.*
-ResultActive=yes
-
-[Disable hibernate by default in upower]
-Identity=unix-user:*
-Action=org.freedesktop.upower.hibernate
-ResultActive=no
-
-[Disable hibernate by default in logind]
-Identity=unix-user:*
-Action=org.freedesktop.login1.hibernate;org.freedesktop.login1.handle-hibernate-key;org.freedesktop.login1;org.freedesktop.login1.hibernate-multiple-sessions;org.freedesktop.login1.hibernate-ignore-inhibit
-ResultActive=no
-
-[Allow admins to set the hostname,locale,keyboard,date/time without prompting]
-Identity=unix-group:admin;unix-group:sudo
-Action=org.freedesktop.locale1.set-locale;org.freedesktop.locale1.set-keyboard;org.freedesktop.hostname1.set-static-hostname;org.freedesktop.hostname1.set-hostname
 ResultActive=yes