3 ms·In general your unpinned userspace threads will hit the same CPU 99.99% of the time, but not 100%.by loeg 19d agoIn general your unpinned userspace threads will hit the same CPU 99.99% of the time, but not 100%.jeffbee 19d agoSure. You get the pointer, you lock the mutex, 99.99% of the time that is uncontended, then you set all the metrics and release it.loeg 18d agoTaking the mutex uses (uncontended) atomic ops.