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 " " $4}'|sort -u|grep -v ^metadata|grep -v ^locking|grep -v ^lockdep`
   6
   7 #separator is newline, ensure compatibility with bash and ash
   8 N="
   9 "
  10
  11 IFS=${N}
  12 for a in $MARKERS; do
  13         echo Connecting $a
  14
  15         echo "connect $a default" > /proc/ltt
  16 #       #redirect markers carrying state information to dedicated channels
  17 #       case $a in
  18 #       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)
  19 #               CHANNEL=processes
  20 #               ;;
  21 #       list_interrupt|statedump_idt_table|statedump_sys_call_table|statedump_softirq_vec)
  22 #               CHANNEL=interrupts
  23 #               ;;
  24 #       list_network_ipv4_interface|list_network_ip_interface)
  25 #               CHANNEL=network
  26 #               ;;
  27 #       list_module|kernel_module_load|kernel_module_free)
  28 #               CHANNEL=modules
  29 #               ;;
  30 #       *)
  31 #               CHANNEL=
  32 #               ;;
  33 #       esac
  34
  35 done
  36
  37
  38 # Connect the interesting high-speed markers to the marker tap.
  39 # Markers starting with "tap_" are considered high-speed.
  40 echo Connecting high-rate markers to tap
  41 MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u |grep ^tap_`
  42
  43 #Uncomment the following to also record lockdep events.
  44 #MARKERS=`cat /proc/ltt|grep -v %k|awk '{print $2}'|sort -u|grep -e ^tap_ -e ^lockdep`
  45
  46 IFS=${N}
  47 for a in $MARKERS; do
  48         echo Connecting $a
  49
  50         #redirect markers carrying state information to dedicated channels
  51         case $a in
  52         *)
  53                 CHANNEL=
  54                 ;;
  55         esac
  56
  57         echo "connect $a ltt_tap_marker" > /proc/ltt
  58 done