phablet@ubuntu-phablet:~$ sudo health-check -p 2137 -c -d 600 ^CCPU usage: PID Process USR% SYS% TOTAL% 2137 qmlscene 0.11 0.43 0.54 (very light load) Wakeups: PID Process Wake/Sec Kernel Functions 2156 qmlscene 0.20 (hrtimer_start_range_ns, hrtimer_wakeup) (very low) 2144 qmlscene 0.01 (hrtimer_start_range_ns, hrtimer_wakeup) (very low) 2137 qmlscene 0.00 (hrtimer_start_range_ns, hrtimer_wakeup) (very low) Total 0.21 File I/O operations: No file I/O operations detected System calls traced: PID Process Syscall Count Rate/Sec 2137 qmlscene clock_gettime 5674 9.9575 2137 qmlscene poll 2835 4.9752 2137 qmlscene read 2834 4.9735 2142 qmlscene epoll_wait 2830 4.9664 2142 qmlscene recvfrom 2829 4.9647 2142 qmlscene write 2829 4.9647 2156 qmlscene epoll_wait 114 0.2001 2142 qmlscene mprotect 53 0.0930 2150 qmlscene poll 25 0.0439 2150 qmlscene write 20 0.0351 2137 qmlscene futex 19 0.0333 2150 qmlscene futex 11 0.0193 2137 qmlscene fork 10 0.0175 2150 qmlscene recvmsg 10 0.0175 2150 qmlscene read 9 0.0158 2144 qmlscene nanosleep 8 0.0140 2144 qmlscene futex 8 0.0140 2137 qmlscene write 3 0.0053 2150 qmlscene sendmsg 3 0.0053 2150 qmlscene close 2 0.0035 2150 qmlscene eventfd2 2 0.0035 2145 qmlscene restart_syscall 1 0.0018 2150 qmlscene restart_syscall 1 0.0018 2155 qmlscene ioctl 1 0.0018 2137 qmlscene restart_syscall 1 0.0018 Total 20132 35.3302 Top polling system calls: PID Process Syscall Rate/Sec Infinite Zero Minimum Maximum Average Timeouts Timeouts Timeout Timeout Timeout 2137 qmlscene poll 4.9752 0 2 0.0 sec 300.0 sec 152.6 sec 2142 qmlscene epoll_wait 4.9664 0 0 5.0 sec 5.0 sec 5.0 sec 2156 qmlscene epoll_wait 0.2001 0 0 5.0 sec 5.0 sec 5.0 sec 2150 qmlscene poll 0.0439 7 18 0.0 sec 0.0 sec 0.0 sec 2144 qmlscene nanosleep 0.0140 0 0 900.0 usec 900.0 usec 900.0 usec Total 10.1996 7 20 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 2137 qmlscene poll 2 - - - - 1 8 90 831 1903 0 2142 qmlscene epoll_wait 0 - - - - - - 2830 - - 0 2156 qmlscene epoll_wait 0 - - - - - - 114 - - 0 2150 qmlscene poll 18 - - - - - - - - - 7 2144 qmlscene nanosleep 0 - - 8 - - - - - - 0 Polling system call analysis: qmlscene (2150), poll: 6 immediate timed out calls with zero timeout (non-blocking peeks) 2 repeated immediate timed out polled calls with zero timeouts (heavy polling peeks) qmlscene (2144), nanosleep: 99 nanosleep system call errors Per Process Memory (K): PID Process Type Size RSS PSS 2137 qmlscene Stack 73888 216 216 2137 qmlscene Heap 34900 5540 5540 2137 qmlscene Mapped 87544 39560 19418 Change in memory (K/second): PID Process Type Size RSS PSS 2137 qmlscene Heap 0.00 0.41 0.41 (growing slowly) 2137 qmlscene Mapped 0.00 0.01 0.12 (growing slowly) Open Network Connections: None.