linuxdebug/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc

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