...torage that was used to provide a caching mechanism for getcpu (). Use of the cache could speed getcpu () calls, at the cost that there was a very small chance that the returned…...ask of all other threads to exclude that CPU), it is possible to ensure maximum execution speed for that thread. Restricting a thread to run on a single CPU also avoids the perf…...ask of all other threads to exclude that CPU), it is possible to ensure maximum execution speed for that thread. Restricting a thread to run on a single CPU also avoids the perf…...returns SECCOMP_RET_KILL . This is done to simplify the kernel code and to provide a tiny speed-up in the execution of sets of filters by avoiding a check for this uncommon case…...p_update_elem () replaces existing elements atomically. Hash-table maps are optimized for speed of lookup. BPF_MAP_TYPE_ARRAY Array maps have the following characteristics: • Op…