tools/testing/ktest/examples/bootconfigs/verify-boottrace.sh

   1 #!/bin/sh
   2
   3 cd /sys/kernel/tracing
   4
   5 compare_file() {
   6         file="$1"
   7         val="$2"
   8         content=`cat $file`
   9         if [ "$content" != "$val" ]; then
  10                 echo "FAILED: $file has '$content', expected '$val'"
  11                 exit 1
  12         fi
  13 }
  14
  15 compare_file_partial() {
  16         file="$1"
  17         val="$2"
  18         content=`cat $file | sed -ne "/^$val/p"`
  19         if [ -z "$content" ]; then
  20                 echo "FAILED: $file does not contain '$val'"
  21                 cat $file
  22                 exit 1
  23         fi
  24 }
  25
  26 file_contains() {
  27         file=$1
  28         val="$2"
  29
  30         if ! grep -q "$val" $file ; then
  31                 echo "FAILED: $file does not contain $val"
  32                 cat $file
  33                 exit 1
  34         fi
  35 }
  36
  37 compare_mask() {
  38         file=$1
  39         val="$2"
  40
  41         content=`cat $file | sed -ne "/^[0 ]*$val/p"`
  42         if [ -z "$content" ]; then
  43                 echo "FAILED: $file does not have mask '$val'"
  44                 cat $file
  45                 exit 1
  46         fi
  47 }
  48
  49 compare_file "events/task/task_newtask/filter" "pid < 128"
  50 compare_file "events/task/task_newtask/enable" "1"
  51
  52 compare_file "events/kprobes/vfs_read/filter" "common_pid < 200"
  53 compare_file "events/kprobes/vfs_read/enable" "1"
  54
  55 compare_file_partial "events/synthetic/initcall_latency/trigger" "hist:keys=func.sym,lat:vals=hitcount,lat:sort=lat"
  56 compare_file_partial "events/synthetic/initcall_latency/enable" "0"
  57
  58 compare_file_partial "events/initcall/initcall_start/trigger" "hist:keys=func:vals=hitcount:ts0=common_timestamp.usecs"
  59 compare_file_partial "events/initcall/initcall_start/enable" "1"
  60
  61 compare_file_partial "events/initcall/initcall_finish/trigger" 'hist:keys=func:vals=hitcount:lat=common_timestamp.usecs-\$ts0:sort=hitcount:size=2048:clock=global:onmatch(initcall.initcall_start).trace(initcall_latency,func,\$lat)'
  62 compare_file_partial "events/initcall/initcall_finish/enable" "1"
  63
  64 compare_file "instances/foo/current_tracer" "function"
  65 file_contains "instances/foo/set_ftrace_filter" "^user"
  66 compare_file "instances/foo/buffer_size_kb" "512"
  67 compare_mask "instances/foo/tracing_cpumask" "1"
  68 compare_file "instances/foo/options/sym-addr" "0"
  69 file_contains "instances/foo/trace_clock" '\[mono\]'
  70 compare_file_partial "instances/foo/events/signal/signal_deliver/trigger" "snapshot"
  71
  72 compare_file "instances/bar/current_tracer" "function"
  73 file_contains "instances/bar/set_ftrace_filter" "^kernel"
  74 compare_mask "instances/bar/tracing_cpumask" "2"
  75 file_contains "instances/bar/trace_clock" '\[x86-tsc\]'
  76
  77 file_contains "snapshot" "Snapshot is allocated"
  78 compare_file "options/sym-addr" "1"
  79 compare_file "events/initcall/enable" "1"
  80 compare_file "buffer_size_kb" "1027"
  81 compare_file "current_tracer" "function"
  82 file_contains "set_ftrace_filter" '^vfs'
  83
  84 exit 0