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selftests/ftrace: mark irqsoff_tracer.tc test as unresolved if the test module does not exist

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The UNRESOLVED state is much more apporiate than the UNSUPPORTED state
for the absence of the test module, as it matches "test was set up
incorrectly" situation in the README file.

A possible scenario is that the function was enabled (supported by the
kernel) but the module was not installed properly, in this case we
cannot call this as UNSUPPORTED.

This change also make it consistent with other module-related tests
in ftrace.

Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Po-Hsu Lin 2020-05-05 18:14:45 +08:00 committed by Shuah Khan
parent d8238f9eb6
commit adb571649c
1 changed files with 8 additions and 1 deletions
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9
tools/testing/selftests/ftrace/test.d/preemptirq/irqsoff_tracer.tc
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@ -17,7 +17,14 @@ unsup() { #msg
exit_unsupported
}
modprobe $MOD || unsup "$MOD module not available"
unres() { #msg
reset_tracer
rmmod $MOD || true
echo $1
exit_unresolved
}
modprobe $MOD || unres "$MOD module not available"
rmmod $MOD
grep -q "preemptoff" available_tracers || unsup "preemptoff tracer not enabled"