#!/bin/sh # SPDX-License-Identifier: GPL-2.0 # description: Test wakeup tracer if ! which chrt ; then echo "chrt is not found. This test requires nice command." exit_unresolved fi if ! grep -wq "wakeup" available_tracers ; then echo "wakeup tracer is not supported" exit_unsupported fi echo wakeup > current_tracer echo 1 > tracing_on echo 0 > tracing_max_latency : "Wakeup higher priority task" chrt -f 5 sleep 1 echo 0 > tracing_on grep '+ \[[[:digit:]]*\]' trace grep '==> \[[[:digit:]]*\]' trace