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SubjectRe: [RFC PATCH] a simple hardware detector for lattency as well as throughput
On Thu, May 3, 2012 at 11:27 AM, Jon Masters <> wrote:
> On Apr 10, 2012, at 7:45 PM, Luming Yu wrote:
>> The rfc patch reuses some code and idea from jcm's hwlat_detector but
>> target for a broader problem that sometime we need to run a simple few minutes
>> hardware test to understand if there is any hardware latency as well as
>> throughput problem exposed on bare metal or left behind by BIOS or
>> interfered by SMI.
> Hey thanks. This is totally something I hoped would eventually go upstream,
> but I never got around to cleaning it up enough for mass consumption beyond
> the use case we had in mind (beating certain folks over the head when they
> have "value add" in BIOS code that causes huge SMIs, and the like, for RT).
> Did anyone ever get back to you on this one? I never saw any followup. I
> will be happy to do some testing and help you get this mainlined.

So far you are the only one. :-)
If you can find a maintainer for it, and find a way into mainline,
We probably can make it become a popular tool for hardware enabling.


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