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2025-07-01 - 04:16
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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 Tue Jul 01, 2025 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
339538699666,37cyclictest3552956-21ntpq23:26:520
339538699461,6cyclictest3600022-21cpuspeed00:21:470
339538699419,20cyclictest171rcu_preempt23:14:270
3395387993829,8cyclictest3584765-21ssh00:02:221
3395386993621,5cyclictest171rcu_preempt20:31:500
339538699356,5cyclictest14-21ksoftirqd/020:46:490
3395386993534,1cyclictest0-21swapper/019:26:520
339538799341,8cyclictest11050irq/107-eth%d00:12:521
3395386993421,1cyclictest0-21swapper/023:58:560
339538699341,25cyclictest3519519-21cat22:48:520
3395386993321,7cyclictest3442625-21/usr/sbin/munin21:21:470
3395386993315,5cyclictest3464591-21/usr/sbin/munin21:47:000
3395386993315,5cyclictest3464591-21/usr/sbin/munin21:47:000
3395388993127,3cyclictest1008-21mta-sts-daemon19:56:512
3395388993122,7cyclictest3590790-21fschecks_count00:11:422
3395386993121,1cyclictest0-21swapper/021:41:440
339538899307,19cyclictest619-21mta-sts-daemon20:09:152
112699300,3rtkit-daemon1125-21rtkit-daemon22:31:042
339538799293,6cyclictest0-21swapper/123:36:501
339538699283,5cyclictest3592740-21apt-get00:13:170
339538899275,16cyclictest3487187-21ntp_states22:11:562
339538699271,22cyclictest0-21swapper/021:31:570
3395386992623,2cyclictest3508355-21grep22:36:490
3395386992617,6cyclictest3565618-21grep23:41:460
3395386992616,3cyclictest0-21swapper/023:11:580
339538699261,25cyclictest0-21swapper/000:25:560
339538699261,24cyclictest3490581-21/usr/sbin/munin22:16:530
339538699261,1cyclictest0-21swapper/023:45:570
339538699260,13cyclictest0-21swapper/023:19:550
339538799254,6cyclictest11050irq/107-eth%d21:28:551
339538699251,22cyclictest3440700-21cron21:18:530
339538699251,22cyclictest3426364-21cron20:43:530
3395386992510,12cyclictest1006-21mta-sts-daemon20:33:550
339538799240,3cyclictest3474023-21ntpq21:56:551
339538699246,4cyclictest171rcu_preempt20:24:180
339538699242,17cyclictest3413994-21awk20:08:530
3395386992415,2cyclictest3575160-21ssh23:51:550
339538899232,8cyclictest11050irq/107-eth%d20:46:512
339538899231,16cyclictest3474024-21ssh21:56:552
339538699234,7cyclictest3486400-21/usr/sbin/munin22:11:490
339538699232,3cyclictest3612259-21head00:36:430
3395386992316,1cyclictest0-21swapper/021:24:070
339538699231,22cyclictest0-21swapper/023:03:590
339538899222,7cyclictest11050irq/107-eth%d22:46:492
339538899222,4cyclictest0-21swapper/221:53:522
339538899221,2cyclictest171rcu_preempt00:18:552
339538799225,3cyclictest11050irq/107-eth%d23:31:511
339538799222,17cyclictest3517647-21ntpq22:46:531
339538699224,5cyclictest171rcu_preempt21:36:540
339538699223,7cyclictest14-21ksoftirqd/019:33:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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