[sheepdog-users] 50.000 iops per VM
Christoph Hellwig
hch at infradead.org
Tue Jul 10 15:54:46 CEST 2012
On Mon, Jul 09, 2012 at 08:13:10PM +0200, Stefan Priebe wrote:
> *argh* i really tried -g record ;-( i'm on holiday right now so it
> will take some days. What is the expected output of this command?
> Should i attach it?
It will save the callchain data into the perf.data file, allowing to
see where the calls for the functions showing up in the profiles come
from.
Try doing either a perf record -g -a or start the sheep daemon
fro mthe perf record command line.
> >Would be nice to get a slightly long run.
> How long
30 seconds to a minute.
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