Zswap isn't to blame, dropping caches may help or may not. There's the output of `sudo perf top`:
26,24% [kernel] [k] _raw_spin_lock 14,72% [kernel] [k] _raw_spin_unlock 6,62% [kernel] [k] super_cache_count 4,97% [kernel] [k] shrink_slab.part.12 4,92% [kernel] [k] list_lru_count_one 2,15% [i2c_designware_core] [k] 0x0000000000000099 1,86% [kernel] [k] shrink_lruvec 1,74% [kernel] [k] mem_cgroup_iter 1,61% [kernel] [k] native_read_tsc 1,55% [kernel] [k] delay_tsc 1,52% [kernel] [k] kswapd%
Zswap isn't to blame, dropping caches may help or may not. There's the output of `sudo perf top`:
26,24% [kernel] [k] _raw_spin_lock _core] [k] 0x0000000000000099
14,72% [kernel] [k] _raw_spin_unlock
6,62% [kernel] [k] super_cache_count
4,97% [kernel] [k] shrink_slab.part.12
4,92% [kernel] [k] list_lru_count_one
2,15% [i2c_designware
1,86% [kernel] [k] shrink_lruvec
1,74% [kernel] [k] mem_cgroup_iter
1,61% [kernel] [k] native_read_tsc
1,55% [kernel] [k] delay_tsc
1,52% [kernel] [k] kswapd%