Differences

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--- linux:notes:misc [2026/04/29 22:40] – Sean Rhone
+++ linux:notes:misc [2026/08/02 21:16] (current) – Sean Rhone
@@ Line 176: / Line 176: @@
 ====== PipeWire ======
-===== Set Default Rate =====
+===== Set Default Rates =====
+  * [[https://wiki.archlinux.org/title/PipeWire#Changing_the_allowed_sample_rate(s)|Source]]
+  grep -E 'Codec|Audio Output|rates' /proc/asound/card*/codec#*
   mkdir -p ~/'.config/pipewire/pipewire.conf.d' && nano ~/'.config/pipewire/pipewire.conf.d/99-custom.conf'
@@ Line 182: / Line 186: @@
 <code>
 context.properties = {
-    default.clock.rate          = 192000
+    default.clock.allowed-rates = [ 44100 48000 96000 192000 ]
-    default.clock.allowed-rates = [ 44100 48000 88200 96000 192000 ]
+}
-}</code>
+# End</code>
 ===== User Config =====
@@ Line 362: / Line 367: @@
   * [[linux;notes;x86_energy_perf_policy]]
+  watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo'
   grep 'MHz' '/proc/cpuinfo'
-  watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo'
+  cat '/sys/devices/system/cpu/cpu'*'/cpufreq/scaling_cur_freq'
+  cpupower frequency-info
 ====== OpenSSL Supported Ciphers ======
@@ Line 607: / Line 616: @@
   OSU_SDL3='1'
+====== sysctl Checks ======
+===== All Overrides =====
+  cat '/etc/sysctl.d/'*
+  ls '/etc/sysctl.d/'*
+===== BPF Disable =====
+  * ''kernel.unprivileged_bpf_disabled = 0''
+  '/usr/sbin/sysctl' 'kernel.unprivileged_bpf_disabled'
+===== Legacy MMap =====
+  * ''vm.legacy_va_layout = 1''
+  '/usr/sbin/sysctl' 'vm.legacy_va_layout'
+===== Perf Counters =====
+  * ''kernel.perf_event_paranoid = -1''
+  '/usr/sbin/sysctl' 'kernel.perf_event_paranoid'
+===== Intel Perf Counters =====
+  * ''dev.i915.perf_stream_paranoid = 0''
+  '/usr/sbin/sysctl' 'dev.i915.perf_stream_paranoid'
+===== Magic SysRq key =====
+  * ''kernel.sysrq = 1''
+  '/usr/sbin/sysctl' 'kernel.sysrq'
+===== Memory Map Count =====
+  * ''vm.max_map_count = 2147483642''
+  '/usr/sbin/sysctl' 'vm.max_map_count'
+===== Swappiness =====
+  * ''vm.swappiness = 0''
+  '/usr/sbin/sysctl' 'vm.swappiness'
 ====== Wine Envs ======