lttctl/ltt-disarmall.sh

   1 #excluding core markers (already connected)
   2 #excluding locking markers (high traffic)
   3
   4 DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -1 | awk '{print $2}')
   5 MARKERSROOT=${DEBUGFSROOT}/ltt/markers
   6
   7 echo Disconnecting all markers
   8
   9 for c in ${MARKERSROOT}/*; do
  10         case ${c} in
  11         ${MARKERSROOT}/metadata)
  12                 ;;
  13         ${MARKERSROOT}/locking)
  14                 ;;
  15         ${MARKERSROOT}/lockdep)
  16                 ;;
  17         *)
  18                 for m in ${c}/*; do
  19                         echo Disconnecting ${m}
  20                         echo 0 > ${m}/enable
  21                 done
  22                 ;;
  23         esac
  24 done
  25
  26 ## Markers starting with "tap_" are considered high-speed.
  27 #echo Disconnecting high-rate markers to tap
  28 #MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2 " " $4}'|sort -u |grep ^tap`
  29 #
  30 ##Uncomment the following to also stop recording lockdep events.
  31 ##MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u|grep -e ^tap_ -e ^lockdep`
  32 #
  33 #IFS=${N}
  34 #for a in $MARKERS; do
  35 #       echo Disconnecting $a
  36 #
  37 #       echo "disconnect $a ltt_tap_marker" > /proc/ltt
  38 #done