Update etc scripts to include governor

It needs to be in performance, not powersave, to work well on my
machine.

While we're at it, also have the scripts print usage if you pass no
arguments, rather than giving an error message about $1 being unset.

1 files changed, 11 insertions, 0 deletions

diff --git a/etc/machine.sh b/etc/machine.sh
index 5fcb7289a..69edb149a 100755
--- a/etc/machine.sh
+++ b/etc/machine.sh
@@ -1,6 +1,15 @@
 #!/bin/sh
 set -eu
 
+online_governors() {
+  for cpu in "/sys/devices/system/cpu/cpu"[0-9]* ; do
+    if grep -vq '^1$' "$cpu/online" 2>/dev/null; then
+      continue
+    fi
+    cat "$cpu/cpufreq/scaling_governor"
+  done
+}
+
 printf "$(hostname)"
 printf -
 grep -q '[^0-9]' /sys/devices/system/cpu/cpu[0-9]*/topology/thread_siblings_list && printf ht || printf noht
@@ -17,5 +26,7 @@ else
   printf nops
 fi
 printf -
+printf "$(echo -n "$(online_governors | uniq)" | tr '\n' '_')"
+printf -
 printf "$(gcc -march=native -Q --help=target|grep march | cut -d= -f2 | grep -ow '\S*')"
 printf '\n'