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2024-04-19 - 14:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack2slot7.osadl.org (updated Fri Apr 19, 2024 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
335907199320,21cyclictest1-21systemd09:46:180
3359071993019,5cyclictest3482392-21ssh12:36:170
335907299264,16cyclictest3476815-21ssh12:26:181
3359071992613,2cyclictest0-21swapper/010:58:500
3359071992613,10cyclictest0-21swapper/011:41:180
335907199260,1cyclictest0-21swapper/010:31:420
335907199254,4cyclictest3451150-21apt-get11:41:190
3359071992515,2cyclictest3431571-21latency_hist11:11:180
335907299243,17cyclictest3451354-21ssh11:41:191
335907299243,11cyclictest3441537-21latency_hist11:26:181
335907199249,8cyclictest0-21swapper/011:26:180
335907199241,21cyclictest0-21swapper/011:27:370
335907199232,19cyclictest0-21swapper/011:11:220
335907399222,6cyclictest171rcu_preempt11:41:192
335907199222,7cyclictest171rcu_preempt07:11:170
335907299191,9cyclictest3460209-21latency_hist11:56:181
335907199190,10cyclictest3373444-21cat09:26:170
335907399183,10cyclictest3445410-21ssh11:31:502
335907399182,12cyclictest3450605-21sh11:40:262
3359071991815,2cyclictest3420648-21cat10:51:180
3359073991712,3cyclictest1001-21mta-sts-daemon10:58:002
335907299174,7cyclictest3359024-21munin-run07:11:171
335907299172,13cyclictest3428130-21cron11:06:181
3359072991714,2cyclictest3438283-21tr11:21:171
335907199173,9cyclictest3484920-21munin-plugin-st12:41:170
335907199171,1cyclictest0-21swapper/010:53:520
112299170,0rtkit-daemon0-21swapper/212:33:392
335907399162,4cyclictest3485115-21latency_hist12:41:182
335907299163,7cyclictest3359733-21grep07:21:181
335907199168,1cyclictest321-21systemd-journal10:16:170
335907199165,8cyclictest3365217-21ssh09:11:180
335907199162,8cyclictest11050irq/107-eth%d12:26:500
335907199162,4cyclictest0-21swapper/011:31:180
335907199160,10cyclictest3367827-21latency_hist09:16:170
112299160,2rtkit-daemon0-21swapper/110:32:431
335907399159,4cyclictest0-21swapper/211:06:182
335907399154,2cyclictest3400834-21latency_hist10:16:182
335907399153,9cyclictest3420463-21munin-run10:51:172
335907299159,5cyclictest697-21in:imuxsock09:51:171
335907299154,8cyclictest3392844-21sed10:01:171
335907299152,11cyclictest3422992-21munin-run10:56:181
335907199155,7cyclictest3360875-21grep07:46:170
112299150,2rtkit-daemon1121-21rtkit-daemon12:14:131
112299150,2rtkit-daemon1121-21rtkit-daemon10:54:332
112299150,2rtkit-daemon1121-21rtkit-daemon08:53:252
112299150,2rtkit-daemon1121-21rtkit-daemon08:19:542
3359073991411,2cyclictest1003-21mta-sts-daemon10:00:132
3359073991410,3cyclictest3370639-21cron09:21:172
335907299143,8cyclictest3425538-21unin-run11:01:171
335907299143,7cyclictest3360582-21munin-plugin-st07:41:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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