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2025-12-02 - 12:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 highest latencies:
System rack4slot2.osadl.org (updated Tue Dec 02, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509740,0irq/46-4a10000012-21ksoftirqd/019:03:180
31221999257,0cyclictest0-21swapper21:13:570
31221999255,0cyclictest0-21swapper20:43:530
31221998954,0cyclictest0-21swapper21:33:380
31221998954,0cyclictest0-21swapper00:28:030
31221998855,0cyclictest0-21swapper21:48:530
2890228810,0sleep028926-21cstates22:08:140
31221998755,0cyclictest0-21swapper22:38:150
31221998754,0cyclictest0-21swapper23:18:520
31221998754,0cyclictest0-21swapper19:28:250
31221998747,0cyclictest0-21swapper21:23:040
7350860,0irq/45-4a10000010149-21apt00:23:030
31221998664,0cyclictest0-21swapper19:23:390
241122867,0sleep024110-21fw_conntrack21:53:560
31221998564,0cyclictest0-21swapper23:33:590
31221998562,0cyclictest0-21swapper22:03:510
31221998554,0cyclictest0-21swapper19:08:400
31221998553,0cyclictest0-21swapper21:58:470
7350840,0irq/45-4a1000008764-21/usr/sbin/munin22:43:330
31221998462,0cyclictest0-21swapper22:58:410
31221998454,0cyclictest0-21swapper21:31:120
31221998352,0cyclictest0-21swapper19:48:340
31221998349,0cyclictest0-21swapper22:53:590
7450820,0irq/46-4a10000020160-21chrt20:08:130
7350820,0irq/45-4a10000018564-21/usr/sbin/munin23:13:050
7350820,0irq/45-4a10000011664-21cat19:43:140
31221998259,0cyclictest0-21swapper19:58:580
31221998250,0cyclictest0-21swapper23:48:530
7450810,0irq/46-4a1000009244-21users19:35:040
7450810,0irq/46-4a1000003407-21wget00:03:130
7350810,0irq/45-4a1000003337-21chrt20:53:220
7450800,0irq/46-4a10000019191-21mailstats20:03:570
7450800,0irq/46-4a10000015130-21sh00:37:540
7350800,0irq/45-4a10000023732-21chrt23:28:100
7450790,0irq/46-4a1000009814-21wget19:38:140
7450790,0irq/46-4a1000004998-21chrt00:08:080
7450790,0irq/46-4a1000003195-21aten_r4power_en22:28:110
7450790,0irq/46-4a10000021827-21runrttasks21:47:560
7450790,0irq/46-4a10000017215-21tune2fs23:08:250
7450790,0irq/46-4a1000001607-21wget23:58:090
31221997948,0cyclictest0-21swapper19:18:190
7450780,0irq/46-4a1000007894-1kworker/u3:121:08:300
7450780,0irq/46-4a1000006810-21/usr/sbin/munin21:03:250
7450780,0irq/46-4a1000004335-1kworker/u3:223:43:190
7450780,0irq/46-4a100000343-21memory22:18:440
7450780,0irq/46-4a10000030456-21sshd22:13:080
7450780,0irq/46-4a10000023504-21sshd20:18:070
7450780,0irq/46-4a1000001669-21fw_conntrack19:13:470
7450780,0irq/46-4a10000016428-21runrttasks23:05:350
7450780,0irq/46-4a10000010282-21grep22:48:190
7350780,0irq/45-4a1000008902-21fw_forwarded_lo00:18:300
7350780,0irq/45-4a10000032652-1kworker/u3:122:33:080
7350780,0irq/45-4a10000015218-21diskstats19:53:230
50712780,0sleep03744-1kworker/u3:120:58:210
31221997854,0cyclictest0-21swapper21:41:420
7450770,0irq/46-4a1000007025-21diskstats00:13:240
7450770,0irq/46-4a100000467-21missed_timers23:53:460
7450770,0irq/46-4a10000030151-21runrttasks20:37:380
7450770,0irq/46-4a10000027807-21ls23:38:450
7450770,0irq/46-4a10000026931-21runrttasks20:28:120
7450770,0irq/46-4a10000026782-21apt20:27:540
7450770,0irq/46-4a10000022493-21idleruntime23:23:350
7450770,0irq/46-4a10000013101-21runrttasks21:22:110
7350770,0irq/45-4a1000003070-21copy22:27:590
228992770,0chrt22414-1kworker/u3:220:14:240
7450760,0irq/46-4a1000001523-21seq20:48:160
7450750,0irq/46-4a10000031070-21ntpq20:38:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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