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SubjectRe: [PATCH 4/5] x86: entry_64.S: always allocate complete "struct pt_regs"
On 08/01/2014 03:11 PM, Denys Vlasenko wrote:
>>
>> Could you please try to see if there is a measurable change in the
>> latency of a trivial syscall?
>
> Will do.
> Something along the lines of "how long does it take to execute two
> gazillions of getppid()?"
>

Something like that, yes, but you have to run enough data points so you
can determine if the difference is statistically significant or just noise.

-hpa



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