This is the mail archive of the
systemtap@sourceware.org
mailing list for the systemtap project.
Re: [Bug translator/2293] confirm preemption/interrupt blocking in systemtap probes
hunt wrote:
> [...] For collecting large amounts of data, MAXMAPENTRIES needs
> raised and then you have to calculate how much space that data will
> take up when "printed" into the output buffers.
I suppose MAXACTION too, in order just to run enough printf's.
But really, can you imagine a reasonable scenario where an "end" probe
should produce megabytes of traffic?
> Another problem is that for relayfs the buffer is divided into
> per-cpu sub-buffers. [...]
Alternately, the relayfs buffers could each be of the given size.
- FChE