Re: [pcp] Debugging sigpipe in pmda

[Nathan Scott <nathans@xxxxxxxxxx>]

Hi Jeff,

----- Original Message -----
> [...]
> after a while pmdacluster crashes, then the pmval only give (as expected):
> 
> pmval: pmFetch: No PMCD agent for domain of request
> 
> pmval: pmFetch: No PMCD agent for domain of request
> 
> pmval: pmFetch: No PMCD agent for domain of request
> 
> pmval: pmFetch: No PMCD agent for domain of request
> 
> 
> On a similar sized system I have yet to reproduce.  Assuming at some
> point I can what would be good debugging tools for a sigpipe in a pmda?
> Or general pmda debugging tools?
> 

I tend to use a combination of dbpmda(1) and gdb if that helps.  You
may have some initial luck with setting a breakpoint in _exit if the
PMDA is choosing to exit itself, to get an initial backtrace.

cheers.

--
Nathan