Changeset 362

Timestamp:

Feb 13, 2012, 9:32:02 PM (13 years ago)

Author:

Rick van der Zwet

Message:

Allow hacking on CLI by introducing some variables.

Load off-course needs to be less not more.

File:

• misc/power-saver (modified) (3 diffs)

misc/power-saver

@@ -19 +19 @@
 MAX_IDLE=60
 
+# Abuse this trick to force a quicker shutdown by ignoring some users
+IDLE_USER=${1:-1}
+SHUTDOWN_DELAY=${2:-15}
+
 # Stored as <epoch> <load>
 DAT_FILE='/tmp/power-saver.dat'
@@ -33 +37 @@
 
 # Check if all users are no longer active
-SHORTEST_IDLE=`w -ih | awk '{print $5}' | head -1`
+SHORTEST_IDLE=`w -ih | awk -vIDLE_USER=$IDLE_USER '{if (NR == IDLE_USER) print $5}'`
 # Hack to make sure time is always in minutes
 SHORTEST_IDLE_IN_MIN=`echo $SHORTEST_IDLE | awk -F: '{if (NF > 1){print $1 * 60 + $2}else{print $1}}'`
@@ -49 +53 @@
 # Count the amount entries we are current on our way
 IDLE_COUNTS=`awk -vMAX_LOAD=$MAX_LOAD -vMAX_IDLE=$MAX_IDLE -vEPOCH=$EPOCH \
-  'BEGIN{MIN_TIME=EPOCH-MAX_IDLE;s=0}{if ($1 > MIN_TIME && $2 > MAX_LOAD){s += 1}}END{print s}' $DAT_FILE`
+  'BEGIN{MIN_TIME=EPOCH-MAX_IDLE;s=0}{if ($1 > MIN_TIME && $2 < MAX_LOAD){s += 1}}END{print s}' $DAT_FILE`
 
 # We are idle for over $MAX_IDLE time, starting shutdown
 if [ $IDLE_COUNTS -gt `expr $MAX_IDLE / $CRON_INTERVAL` ]; then
-  echo shutdown -p "+15" "Cancel: sudo killall -SIGTERM shutdown"
+  echo shutdown -p "+$SHUTDOWN_DELAY" "Cancel: sudo killall -SIGTERM shutdown"
 fi