Re: Re: [RFC][PATCH] ftracetest: Add a couple of ftrace test cases

From: Masami Hiramatsu
Date: Mon Sep 29 2014 - 06:33:33 EST

(2014/09/26 23:18), Steven Rostedt wrote:
> On Fri, 26 Sep 2014 21:04:26 +0900
> Masami Hiramatsu <> wrote:
>>> Please go ahead and get them in. The framework might have to wait
>>> until 3.19, so there is no need to have it gate test development.
>>> We can evolve them as we go. If tests require special, it means that
>>> they aren't suitable for certain envs such as qemu boot with busybox.
>>> There is a plan to add test targets to cover such cases.
>> Agreed, anyway, in some env those tools(commands) may not supported
>> by busybox because of the memory size etc. In that case, we can just
>> mark the test unsupported or xfail.
> Note, if memory size is such a big issue it that other tools may not be
> there, then most of the ftrace features will probably be disabled due
> to memory constraints on the kernel itself.

Agreed :)

> As we have a way to state "unsupported" we can just return that from
> tests that require tools not available, and say why it is the case.

OK, if we can count "unsupported" as a test failure (yes, it is
unexpectedly failed), it is easy to fix. I'll update XFAIL and
other error code support patch and send it.

Thank you,

Software Platform Research Dept. Linux Technology Research Center
Hitachi, Ltd., Yokohama Research Laboratory

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