root@d-i-test:~# ps aux | grep diamon
root     22035  6.0  5.8 118724 59356 ?        Ss   08:12   0:00 diamond
root     22037  0.1  1.6 278036 16532 ?        Sl   08:12   0:00 diamond - SyncManager
root     22046  0.0  5.3 118724 54496 ?        S    08:12   0:00 diamond - Handlers
root     22049  0.1  5.4 118724 55136 ?        S    08:12   0:00 diamond - TCPCollector
root     22054  0.0  5.3 118724 54488 ?        S    08:12   0:00 diamond - NetworkCollector
root     22060  0.0  5.3 118724 54544 ?        S    08:12   0:00 diamond - DiskUsageCollector
root     22062  0.0  5.3 118724 55012 ?        S    08:12   0:00 diamond - CPUCollector
root     22094  0.0  0.0  12784   940 pts/0    S+   08:12   0:00 grep diamon
root@d-i-test:~# time systemctl stop diamond

real    0m0.047s
user    0m0.000s
sys     0m0.000s
root@d-i-test:~# ps aux | grep diamon
root     22112  0.0  0.0  12784   936 pts/0    S+   08:12   0:00 grep diamon