$ sudo health-check -p unity-panel-service CPU usage (in terms of 1 CPU): PID Process USR% SYS% TOTAL% Duration 2990 unity-panel-service 15.27 0.98 16.25 60.00 (slight load) Page Faults: PID Process Minor/sec Major/sec Total/sec 2990 unity-panel-service 53.42 0.00 53.42 Wakeups: PID Process Wake/Sec Kernel Functions 2990 unity-panel-service 1.88 (schedule_hrtimeout_range_clock, hrtimer_wakeup) (moderate) 2990 unity-panel-service 0.05 (neigh_timer_handler, neigh_timer_handler) (very low) Total 1.93 Context Switches: PID Process Voluntary Involuntary Total Ctxt Sw/Sec Ctxt Sw/Sec Ctxt Sw/Sec 2990 unity-panel-service 1247.86 38.68 1286.55 (high) 3010 unity-panel-service 603.40 1.13 604.53 (quite high) 3000 unity-panel-service 0.05 0.00 0.05 (very low) Total 1851.31 39.82 1891.13 File I/O operations: PID Process Count Op Filename 2990 unity-panel-service 51 R /usr/share/icons/ubuntu-mono-dark/status/22/audio-volume-high-panel.svg 2990 unity-panel-service 29 O /home/king/.cache/rhythmbox/album-art/000009ee 2990 unity-panel-service 27 C /usr/share/icons/ubuntu-mono-dark/status/22/audio-volume-high-panel.svg 2990 unity-panel-service 1 CR /home/king/.cache/rhythmbox/album-art/000009ee Total 108 Op: O=Open, R=Read, W=Write, C=Close File I/O Operations per second: PID Process Open Close Read Write 2990 unity-panel-service 0.48 0.47 0.87 0.00 System calls traced: PID Process Syscall Count Rate/Sec 2990 unity-panel-service recvfrom 15731 262.1828 2990 unity-panel-service poll 12164 202.7329 2990 unity-panel-service futex 2274 37.8999 2990 unity-panel-service writev 2231 37.1833 2990 unity-panel-service write 1161 19.3500 2990 unity-panel-service read 1106 18.4333 2990 unity-panel-service stat 332 5.5333 2990 unity-panel-service brk 85 1.4167 2990 unity-panel-service eventfd2 82 1.3667 2990 unity-panel-service close 79 1.3167 2990 unity-panel-service uname 72 1.2000 2990 unity-panel-service mmap 25 0.4167 2990 unity-panel-service open 21 0.3500 2990 unity-panel-service fstat 21 0.3500 2990 unity-panel-service lseek 21 0.3500 2990 unity-panel-service munmap 21 0.3500 2990 unity-panel-service clone 9 0.1500 2990 unity-panel-service mprotect 4 0.0667 2990 unity-panel-service restart_syscall 1 0.0167 3000 unity-panel-service restart_syscall 1 0.0167 3010 unity-panel-service write 4673 77.8832 3010 unity-panel-service poll 4553 75.8832 3010 unity-panel-service futex 2531 42.1832 3010 unity-panel-service recvmsg 1790 29.8333 3010 unity-panel-service read 1611 26.8499 3010 unity-panel-service sendmsg 713 11.8833 3010 unity-panel-service close 521 8.6833 3010 unity-panel-service eventfd2 489 8.1500 3010 unity-panel-service mprotect 400 6.6667 3010 unity-panel-service restart_syscall 1 0.0167 Total 52723 878.7149 Top polling system calls: PID Process Syscall Rate/Sec Infinite Zero Minimum Maximum Average Timeouts Timeouts Timeout Timeout Timeout 2990 unity-panel-service poll 202.7329 5077 5522 0.0 sec 25.0 sec 300.1 msec 3010 unity-panel-service poll 75.8832 1370 3183 0.0 sec 0.0 sec 0.0 sec Total 278.6161 6447 8705 Distribution of poll timeout times: 10.0 100.0 1.0 10.0 100.0 1.0 10.0 100.0 up to to to to to to to to or more Zero 9.9 99.9 999.9 9.9 99.9 999.9 9.9 99.9 Infinite PID Process Syscall sec usec usec usec msec msec msec sec sec sec Wait 2990 unity-panel-service poll 5522 - - - 240 113 1079 8 125 - 5077 3010 unity-panel-service poll 3183 - - - - - - - - - 1370 Polling system call analysis: unity-panel-service (2990), poll: 4684 immediate timed out calls with zero timeout (non-blocking peeks) 74 repeated timed out polled calls with non-zero timeouts (light polling) 2403 repeated immediate timed out polled calls with zero timeouts (heavy polling peeks) unity-panel-service (3010), poll: 1171 immediate timed out calls with zero timeout (non-blocking peeks) 90 repeated immediate timed out polled calls with zero timeouts (heavy polling peeks) Filesystem Syncs: None. Per Process Memory (K): PID Process Type Size RSS PSS 2990 unity-panel-service Stack 24712 112 112 2990 unity-panel-service Heap 681008 13500 13500 2990 unity-panel-service Mapped 329092 81084 73854 Change in memory (K/second): PID Process Type Size RSS PSS 2990 unity-panel-service Stack 136.53 0.40 0.40 (growing moderately fast) 2990 unity-panel-service Heap -136.53 27.33 27.33 (shrinking moderately fast) 2990 unity-panel-service Mapped 177.13 176.67 176.57 (growing fast) Heap Change via brk(): PID brk Count Change (K) Rate (K/second) 2990 unity-panel-service 85 10496 174.93 (growing moderately fast) Memory Change via mmap() and munmap(): PID mmaps munmaps Change (K) Rate (K/second) 2990 unity-panel-service 25 21 32784 546.40 (growing fast) Open Network Connections: PID Process Proto Send Receive Address 3010 unity-panel-service UNIX 131.21 K 538.20 K /var/run/dbus/system_bus_socket 2990 unity-panel-service UNIX 0.00 B 450.38 K @/tmp/dbus-pA6UmV1cpM 2990 unity-panel-service UNIX 0.00 B 0.00 B @/tmp/.ICE-unix/2986 2990 unity-panel-service UNIX 0.00 B 0.00 B /var/run/dbus/system_bus_socket