add setsched tool

1 files changed, 41 insertions, 0 deletions

diff --git a/setsched b/setsched
new file mode 100755
index 0000000..411d999
--- /dev/null
+++ b/setsched
@@ -0,0 +1,41 @@
+#!/bin/bash
+#
+# setsched: facilitate changing the active scheduler plugin.
+
+ADIR=/proc/litmus/active_plugin
+PDIR=/proc/litmus/plugins
+
+CHOICE=$1
+
+if [ ! -e $ADIR ]; then
+    KERN=`uname -s -r`
+    echo "Error: LITMUS^RT not found on $KERN!" 
+    exit 1
+fi
+
+ACTIVE=`cat $ADIR`
+
+if [ -z "$1" ]; then
+    TMP=`mktemp`
+    (awk "{print \$1 \" 'Plugin'\"}" $PDIR | \
+    xargs  dialog --title "Select Plugin" --backtitle "Current: $ACTIVE"  \
+        --cancel-label "Cancel" --ok-label "Select Plugin" \
+        --menu "Select a new plugin to run: " 23 60 16) 2> $TMP
+    OK=$?
+    clear
+    if [ "$OK" != "0" ]; then   
+        exit 0;
+    fi
+    CHOICE=`cat $TMP`
+    rm $TMP   
+fi
+
+
+echo "$CHOICE" > $ADIR
+
+ACTIVE=`cat $ADIR`
+
+if [ "$ACTIVE" != "$CHOICE" ]; then
+    echo "Error: Setting new plugin failed."
+    exit 1
+fi