RE: [Fault-injection-developer] Need for benchmarking

[Lynch, R. <rus...@in...>]

There have been people posting benchmarking results on LKML.  I haven't =

looked into the results or which tool they are using to generate the
results,
but I am guessing that they would do the job.

The iterations you listed sound fine.

	-rustyl

> -----Original Message-----
> From: Gao, Kevin [mailto:kev...@in...]
> Sent: Sunday, December 15, 2002 4:31 PM
> To: 'Rusty Lynch'; fau...@li...
> Subject: RE: [Fault-injection-developer] Need for benchmarking
>=20
>=20
> We can do some tiny program to test the time of MMIO read,
> write operation in such situation:
>=20
> common kernel.
> Kernel with our FITH, but no faultset.
> Kernel with our FITH, but the address of faultset is not=20
> associate with the
> operation.
> Kernel with our FITH, corresponding faultset but no action.
> Kernel with our FITH, and injection corresponding fault into=20
> the operation.
>=20
> Any other ideas?
>=20
> Kevin
>=20
>=20
> -----Original Message-----
> From: Rusty Lynch [mailto:ru...@li...]=20
> Sent: 2002=C4=EA12=D4=C214=C8=D5 0:36
> To: fau...@li...
> Subject: [Fault-injection-developer] Need for benchmarking
>=20
>=20
> We could use some standardized benchmarking to=20
> periodically run on our code base to get a feel for how
> much overhead our changes are adding.
>=20
> For example our current code adds a hook to the
> page fault handler.  It would be really easy to thrash
> the kernel with even the smallest of tweaks to that
> code.
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> Any idea's?  Kevin, have planned on putting something
> together?
>=20
>     -rustyl=20
>=20
>=20
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