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

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Message-ID: <20141203182911.1d4a8f8e@gandalf.local.home>
Date:	Wed, 3 Dec 2014 18:29:11 -0500
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc:	linux-kernel@...r.kernel.org, Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Theodore Tso <tytso@....edu>,
	Alexei Starovoitov <ast@...mgrid.com>
Subject: Re: [PATCH 3/3] ftracetests: Add test to test event filter logic

On Thu, 04 Dec 2014 08:14:01 +0900
Masami Hiramatsu <masami.hiramatsu.pt@...achi.com> wrote:

> >> to allow run this on busybox or dash, we'd better clean it.
> > 
> > Do you know how to fix this?
> 
> Yes, it's easy :).
> As the tool output, [ a == b ] can be changed to [ a = b ],
> and "let ..." can be changed to "$((...))"

OK, thanks.

> 
> > 
> >>
> >>> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
> >>> ---
> >> [...]
> >>> +# Test more complex compares (&& and !!)
> >>> +test_cmp2 -ne 0 -a -gt 10 "!= 0" "> 10" "&&" ''
> >>> +test_cmp2 -ne 0 -o -gt 10 "!= 0" "> 10" "||" ''
> >>
> >> This might better be
> >> test_cmp2 -ne 0 -a -gt 10 "!= 0" "&&" "> 10" ''
> >> test_cmp2 -ne 0 -o -gt 10 "!= 0" "||" "> 10" ''
> >>
> >> :-)
> > 
> > Sure.
> > 
> > OK, I'll hold off on sending this patch then till 3.20.
> 
> OK.
> 
> > 
> > I'll still add the update to the kernel for 3.19, but the testing for
> > it needs work. It passes my test suite, but I don't know how to handle
> > the busybox limitations.
> 
> If you are using Fedora, it provides dash and busybox packages too.

Yep, and so does Debian. In fact, I notice that my Debian boxes all
have /bin/sh linked to dash not bash (which means they were not as
susceptible to the bash bug).

-- Steve
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