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| author |   Masami Hiramatsu <mhiramat@kernel.org> | 2018-08-30 23:25:11 +0900 |
|---|---|---|
| committer |   Shuah Khan (Samsung OSG) <shuah@kernel.org> | 2018-10-24 14:49:36 -0600 |
| commit | c575dea2c1a50306d382615fad06767564734e0b (patch) | |
| tree | 9e9fc04c4da9149ca71beafe8a3536c6dc7d9b1b /tools/testing | |
| parent | selftests/ftrace: Add wakeup tracer testcase (diff) | |
| download | linux-dev-c575dea2c1a50306d382615fad06767564734e0b.tar.xz linux-dev-c575dea2c1a50306d382615fad06767564734e0b.zip | |
selftests/ftrace: Add wakeup_rt tracer testcase
Add a testcase for wakeup_rt tracer. This requires chrt
command to test.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
Diffstat (limited to 'tools/testing')
| -rw-r--r-- | tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc new file mode 100644 index 000000000000..f99b5178e00a --- /dev/null +++ b/tools/testing/selftests/ftrace/test.d/tracer/wakeup_rt.tc @@ -0,0 +1,25 @@ +#!/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 + |