linux-kernel - Re: [PATCH 3/3] ftracetests: Add test to test event filter logic

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Date:	Wed, 3 Dec 2014 13:01:34 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Alexei Starovoitov <ast@...mgrid.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>,
	Theodore Tso <tytso@....edu>
Subject: Re: [PATCH 3/3] ftracetests: Add test to test event filter logic

On Wed, 3 Dec 2014 09:53:18 -0800
Alexei Starovoitov <ast@...mgrid.com> wrote:

> aren't we all starting to hack things only to realize
> that the scope of work is too large? ;)

Yep. Although I did say I would only spend a few hours on a solution,
and would give up if it too longer. The patches themselves took much
shorter than I expected. It was writing the tests that brought me over
the brink. Although, I did a lot of manual tests to make sure things
did what was expected. But those manual tests need to become automatic
ones.

> Anyway, will try to add these tests when your patches land.

I'm placing the code changes in my 3.19 queue, and the test cases in my
3.20 queue. This is probably a good idea anyway, as the test cases will
fail if the code wasn't implemented, and the test goes in a separate
branch, where the code isn't implemented :-)  I did a merge to do the
test cases.

I also need to solve the busybox limitation. I don't know how that
shell can do bit logic, which is needed to verify that the filters
really did work.

-- Steve 
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