On Wed, 23 Oct 2024 03:24:38 +0800 Kairui Song <ryncsn@xxxxxxxxx> wrote: > After this series, lock contention on si->lock is nearly unobservable > with `perf lock` with the same test above : > > contended total wait max wait avg wait type caller > ... snip ... > 91 204.62 us 4.51 us 2.25 us spinlock cluster_move+0x2e > ... snip ... > 47 125.62 us 4.47 us 2.67 us spinlock cluster_move+0x2e > ... snip ... > 23 63.15 us 3.95 us 2.74 us spinlock cluster_move+0x2e > ... snip ... > 17 41.26 us 4.58 us 2.43 us spinlock cluster_isolate_lock+0x1d > ... snip ... Were any overall runtime benefits observed?
