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SubjectRe: [PATCH 0/5] v2: block subsystem refcounter conversions
On 04/21/2017 09:22 AM, Peter Zijlstra wrote:
> On Fri, Apr 21, 2017 at 08:03:13AM -0600, Jens Axboe wrote:
>> You have it so easy - the code is completely standalone, building a
>> small test framework around it and measuring performance in _user space_
>> is trivial.
> Something like this you mean:

Yes, exactly. But it'd be great to see better coverage of the API, and
various cases of X threads running operations on the same refcount,
so we get a full view of that side too. The above looks like just
counting cycles for a single op of foo_inc().

Jens Axboe

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