Re: Snapshot performances

[Taylor R Campbell <campbell+netbsd-tech-kern%mumble.net@localhost>]

Emmanuel Dreyfus:
> Taylor R Campbell <campbell+netbsd-tech-kern%mumble.net@localhost> wrote:
> 
>> Can you get kernel stack traces from the stuck processes using crash(8)?
> 
> Well, that requires to crash a mail server in busy hours on purpose. I
> will collect if it happens again by accident.

Despite the confusing name, you can run crash(8) on a running system
without interrupting it -- it lets you non-intrusively examine the
kernel and get stack traces as if with ddb.