trunk/ltt-control/lttctl/ltt-armall.sh

   1 #excluding core markers (already connected)
   2 #excluding locking markers (high traffic)
   3
   4 echo Connecting all markers
   5 MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u|grep -v ^core_|grep -v ^locking_|grep -v ^lockdep_`
   6
   7 for a in $MARKERS; do
   8         echo Connecting $a
   9
  10         #redirect markers carrying state information to dedicated channels
  11         case $a in
  12         list_process_state|list_file_descriptor|user_generic_thread_brand|fs_exec|kernel_process_fork|kernel_process_free|kernel_process_exit|kernel_arch_kthread_create|list_statedump_end|list_vm_map)
  13                 CHANNEL=processes
  14                 ;;
  15         list_interrupt|statedump_idt_table|statedump_sys_call_table|statedump_softirq_vec)
  16                 CHANNEL=interrupts
  17                 ;;
  18         list_network_ipv4_interface|list_network_ip_interface)
  19                 CHANNEL=network
  20                 ;;
  21         list_module|kernel_module_load|kernel_module_free)
  22                 CHANNEL=modules
  23                 ;;
  24         *)
  25                 CHANNEL=
  26                 ;;
  27         esac
  28
  29         echo "connect $a default dynamic $CHANNEL" > /proc/ltt
  30 done
  31
  32
  33 # Connect the interesting high-speed markers to the marker tap.
  34 # Markers starting with "tap_" are considered high-speed.
  35 echo Connecting high-rate markers to tap
  36 MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u |grep ^tap_`
  37
  38 #Uncomment the following to also record lockdep events.
  39 #MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u|grep -e ^tap_ -e ^lockdep`
  40
  41 for a in $MARKERS; do
  42         echo Connecting $a
  43
  44         #redirect markers carrying state information to dedicated channels
  45         case $a in
  46         *)
  47                 CHANNEL=
  48                 ;;
  49         esac
  50
  51         echo "connect $a ltt_tap_marker dynamic $CHANNEL" > /proc/ltt
  52 done