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Re: Can't set statement probe in self-built linux-4.4
- From: Chris Dunlop <chris at onthe dot net dot au>
- To: "Frank Ch. Eigler" <fche at redhat dot com>
- Cc: systemtap at sourceware dot org
- Date: Fri, 1 Jul 2016 08:34:10 +1000
- Subject: Re: Can't set statement probe in self-built linux-4.4
- Authentication-results: sourceware.org; auth=none
- References: <20160630075744 dot GA3637 at onthe dot net dot au> <y0mk2h6vi3c dot fsf at fche dot csb>
Hi Frank,
On Thu, Jun 30, 2016 at 10:58:47AM -0400, Frank Ch. Eigler wrote:
>> [...]
>> I can't seem to set statement probes in a self-built linux-4.4. What can
>> be going wrong? [...]
[...]
> Have you tried:
>
> $ stap -L 'kernel.statement("register_shrinker@*:*")'
>
> to get the list of line numbers that systemtap recognizes?
No, I hadn't come across that option in my travels - that's useful!
Unfortunately it doesn't come back with anything:
$ stap -v -L 'kernel.statement("register_shrinker@*:*")'
Pass 1: parsed user script and 116 library scripts using 93372virt/31140res/3000shr/28456data kb, in 190usr/20sys/206real ms.
Pass 2: analyzed script: 0 probes, 0 functions, 0 embeds, 0 globals using 131260virt/69116res/3764shr/66344data kb, in 310usr/40sys/354real ms.
$