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2021-10-24 - 02:54

Intel(R) Xeon(R) CPU E3-1220L V2 @ 2.30GHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #8, slot #0
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack8slot0.osadl.org (updated Sun Oct 24, 2021 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3164321420,3sleep325162-21systemd21:46:583
573921100,0sleep20-21swapper/222:15:162
1836021060,0sleep30-21swapper/322:13:163
315002880,1sleep05956-21httpd21:01:580
66452850,1sleep26643-21sshd21:08:172
183032850,1sleep09027-21in:imuxsock22:42:350
187002820,0sleep20-21swapper/221:27:012
103732820,0sleep010372-21sshd21:41:180
103732820,0sleep010372-21sshd21:41:180
229132810,1sleep20-21swapper/221:02:522
209782800,1sleep220937-21sshd22:45:062
209622800,0sleep30-21swapper/323:04:393
6572780,0sleep10-21swapper/121:20:151
212932780,1sleep05928-21httpd22:58:310
88512770,1sleep0878-21NetworkManager21:43:390
317572770,2sleep231750-21sshd21:37:152
148932770,2sleep22383599cyclictest22:20:292
292552760,0sleep1241rcuc/100:07:151
111052760,0sleep011099-21sshd22:16:420
63902740,1sleep01627-21gdbus23:35:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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