Configuring the kernel for iotop +----------------------------------------------------------------------------+ | General Setup --> | | [*] Export task/process statistics through netlink | | [ ] Enable per-task delay accounting | | [*] Enable extended accounting over taskstats | | [*] Enable per-task storage I/O accounting | +----------------------------------------------------------------------------+
+-----------------------------------------------------------------------------+ | $ iotop | | Total DISK READ: 387.25 K/s | Total DISK WRITE: 221.29 K/s | | PID USER DISK READ DISK WRITE SWAPIN IO> COMMAND | | 7703 root 387.25 K/s 0 B/s 0.00 % 0.00 % tccat -i /shared/... | | 211 root 0 B/s 13.83 K/s 0.00 % 0.00 % [pdflush] | | 7672 root 0 B/s 207.46 K/s 0.00 % 0.00 % transcode -H 10 ... | +-----------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------+ | $ iotop | | Total DISK READ: 5.21 K/s | Total DISK WRITE: 7.37 M/s | | PID USER DISK READ DISK WRITE SWAPIN IO> COMMAND | | 7936 user1 5.21 K/s 7.37 M/s 0.00 % 0.00 % dd if /dev/zero of ./bigfile | +-------------------------------------------------------------------------------------+