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Elixir Cross Referencer

#!/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