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2025-11-23 - 04:14
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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 Sun Nov 23, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74505740,0irq/46-4a10000011854-1kworker/u3:219:04:460
13637999361,0cyclictest0-21swapper21:43:510
7450910,0irq/46-4a1000005119-21/usr/sbin/munin23:24:100
7450890,0irq/46-4a10000010197-21missed_timers23:39:050
13637998958,0cyclictest0-21swapper21:33:370
13637998857,0cyclictest0-21swapper23:08:470
7450860,0irq/46-4a100000443-21snmpd21:06:370
13637998661,0cyclictest0-21swapper19:48:250
13637998656,0cyclictest0-21swapper23:54:260
13637998652,0cyclictest0-21swapper21:38:370
7350850,0irq/45-4a10000020570-1kworker/u3:422:38:570
13637998559,0cyclictest0-21swapper00:02:430
7450810,0irq/46-4a10000029931-21kworker/u2:121:30:030
13637998154,0cyclictest0-21swapper22:35:280
13637998153,0cyclictest0-21swapper20:05:130
105232810,0sleep07235-1kworker/u3:120:30:140
7450800,0irq/46-4a10000012865-1kworker/u3:222:14:480
13637998055,0cyclictest0-21swapper23:28:240
13637998054,0cyclictest0-21swapper20:12:240
13637998053,0cyclictest0-21swapper19:30:030
7450790,0irq/46-4a10000031829-21diskstats19:58:460
7450790,0irq/46-4a100000266512sleep000:28:180
7450790,0irq/46-4a10000019303-21sshd22:30:550
7450790,0irq/46-4a10000016711-1kworker/u3:219:14:400
7450780,0irq/46-4a1000004396-21/usr/sbin/munin20:13:390
7450780,0irq/46-4a100000298182chrt00:37:050
7450780,0irq/46-4a10000029442-1kworker/u3:123:04:030
7350780,0irq/45-4a1000000-21swapper00:04:200
13637997849,0cyclictest0-21swapper23:21:180
13637997849,0cyclictest0-21swapper00:25:290
7450770,0irq/46-4a10000024476-1kworker/u3:022:58:550
7450770,0irq/46-4a10000024476-1kworker/u3:022:54:070
7450770,0irq/46-4a10000023098-1kworker/u3:000:19:190
7450770,0irq/46-4a10000019729-1kworker/u3:222:43:480
7450770,0irq/46-4a10000017460-1kworker/u3:220:59:070
7450770,0irq/46-4a100000124842sleep020:37:170
13637997749,0cyclictest0-21swapper20:43:210
7450760,0irq/46-4a10000028727-1kworker/u3:021:24:130
7450760,0irq/46-4a10000026076-1kworker/u3:121:18:370
7450760,0irq/46-4a10000015085-21sshd19:11:240
7450760,0irq/46-4a10000012480-1kworker/u3:220:39:180
7350760,0irq/45-4a1000000-21swapper19:25:560
7450750,0irq/46-4a1000007762-1kworker/u3:022:03:310
7450750,0irq/46-4a10000073232sleep021:56:080
7450750,0irq/46-4a1000007088-1kworker/u3:123:48:460
7450750,0irq/46-4a100000443-21snmpd20:49:380
7450750,0irq/46-4a10000024476-1kworker/u3:022:48:560
7450750,0irq/46-4a10000017460-1kworker/u3:220:53:530
7450750,0irq/46-4a10000011244-21/usr/sbin/munin22:08:320
7350750,0irq/45-4a1000002174-1kworker/u3:423:43:210
13637997550,0cyclictest0-21swapper23:13:490
7450740,0irq/46-4a1000007088-1kworker/u3:123:34:120
7350740,0irq/45-4a1000004702-21sort21:48:470
7350740,0irq/45-4a10000012-21ksoftirqd/000:09:170
7450730,0irq/46-4a10000029651-1kworker/u3:019:53:440
7450730,0irq/46-4a10000026076-1kworker/u3:121:16:410
7350730,0irq/45-4a1000003878-1kworker/u3:019:38:280
7350730,0irq/45-4a10000022943-21sshd00:16:560
13637997348,0cyclictest0-21swapper22:02:280
7450720,0irq/46-4a10000024286-1kworker/u3:021:11:350
7450720,0irq/46-4a10000016711-1kworker/u3:219:18:310
7450720,0irq/46-4a10000016072-1kworker/u3:122:24:070
7350720,0irq/45-4a1000009259-21latency_hist20:28:180
7350720,0irq/45-4a100000243882chrt19:37:270
7450710,0irq/46-4a10000020129-1kworker/u3:119:44:210
7350710,0irq/45-4a10000011777-1kworker/u3:022:18:260
7450700,0irq/46-4a1000007026-21runrttasks20:19:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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