On 02/11/2014 03:57 AM, Peter Zijlstra wrote:
On Tue, Feb 11, 2014 at 09:45:02AM +0100, Ingo Molnar wrote:
heh, yes, it's stupid how long many benchmarks take. Ditch it. A
change like this should be testable with a 30-line microbenchmark
which runs in 5 seconds tops.
Another very nice option would be to stick the relevant workload
patterns into 'perf bench', calibrate it to emit similar figures (and
double check the speedup is similar as well) and thus make it an AIM7
work-alike microbenchmark.
/me stares at Jason and Waiman.. :-)
It shouldn't be too hard to get the mutex exercising portion of AIM7
into perf. I will discuss with Jason about this when we finish some of
the high-priority tasks we currently have.
-Longman
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