On Wed, 2018-03-14 at 13:04 +0100, Peter Zijlstra wrote: > On x86 we don't have to use that time_check_counter thing, > sched_clock() > is really cheap, not sure if it makes sense on other platforms.
Are you sure? I saw a 5-10% increase in CPU use, for a constant query rate to a memcache style workload, with v3 of this patch. -- All Rights Reversed.
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