tools/testing/selftests/ftrace/test.d/tracer/wakeup.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Test wakeup tracer
   4 # requires: wakeup:tracer chrt:program
   5
   6 echo wakeup > current_tracer
   7 echo 1 > tracing_on
   8 echo 0 > tracing_max_latency
   9
  10 : "Wakeup higher priority task"
  11 chrt -f 5 sleep 1
  12
  13 echo 0 > tracing_on
  14 grep '+ \[[[:digit:]]*\]' trace
  15 grep '==> \[[[:digit:]]*\]' trace
  16