On Tue, Apr 16, 2024 at 07:51:19PM +0200, Jesper Dangaard Brouer wrote: > This patchset is focused on the global cgroup_rstat_lock. > > Patch-1: Adds tracepoints to improve measuring lock behavior. > Patch-2: Converts the global lock into a mutex. > Patch-3: Limits userspace triggered pressure on the lock. Imma wait for people's inputs on patch 2 and 3. ISTR switching the lock to mutex made some tail latencies really bad for some workloads at google? Yosry, was that you? Thanks. -- tejun
