summaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc
blob: f99b5178e00abd42f861bdad5a8d6d5cfb8b781d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
#!/bin/sh
# SPDX-License-Identifier: GPL2.0
# description: Test wakeup RT tracer

if ! which chrt ; then
  echo "chrt is not found. This test requires chrt command."
  exit_unresolved
fi

if ! grep -wq "wakeup_rt" available_tracers ; then
  echo "wakeup_rt tracer is not supported"
  exit_unsupported
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