Re: [patch] executor and slru dtrace probes

Dne 10.12.09 15:51, Bernd Helmle napsal(a):
>
>
> --On 8. Dezember 2009 11:10:44 +0100 Zdenek Kotala
> <Zdenek(dot)Kotala(at)Sun(dot)COM> wrote:
>
>> If you think that it is better I could split patch into two separate
>> patches and both can be reviewed separately.
>
> I split up this patch into two separate patches: one for SLRU and one
> for the executor probes. I've done some documentation on the SLRU part,
> maybe you can look over it (to make sure i didn't break anything).
>
> I left the executor probes out of the documentation for now, since it
> seems not to be clear how they would manifest.
>
> Out of curiosity: Why do we want to pass the SlruCtl pointer down to the
> probes? I don't understand what those probes are going to do with those
> pointers, can you explain?
>

You need to determine which SLRU is used. Because SLRUs are initialized
during startup pointer should be same in all backends. If I think
more about it. Maybe it could be goot to add probe also into
SimpleLruInit to catch name of SLRUs.

Zdenek