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2025-12-06 - 22:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack1slot1.osadl.org (updated Sat Dec 06, 2025 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326042210152,47sleep30-21swapper/307:08:473
324792203163,27sleep20-21swapper/207:07:102
325452201162,26sleep10-21swapper/107:08:011
324622197158,26sleep00-21swapper/007:06:550
246172780,0sleep00-21swapper/010:35:230
244882580,0sleep30-21swapper/311:20:433
226452570,1sleep321417-21/usr/sbin/munin09:00:203
323991311,1cyclictest28-21ksoftirqd/208:50:002
330991212,0cyclictest35-21ksoftirqd/311:19:593
306991211,1cyclictest9-21ksoftirqd/012:05:000
306991211,1cyclictest9-21ksoftirqd/007:45:000
33099119,1cyclictest1449-21ntpd09:11:283
330991111,0cyclictest35-21ksoftirqd/312:35:333
330991110,1cyclictest35-21ksoftirqd/311:50:013
32399118,1cyclictest254-21systemd-journal10:23:572
306991110,1cyclictest9-21ksoftirqd/008:10:000
30699110,4cyclictest742-21runrttasks09:42:510
33099109,1cyclictest35-21ksoftirqd/310:15:003
330991010,0cyclictest35-21ksoftirqd/310:55:173
32399109,1cyclictest28-21ksoftirqd/211:00:202
32399108,1cyclictest28-21ksoftirqd/208:15:002
30699109,1cyclictest9-21ksoftirqd/010:50:010
30699109,1cyclictest9-21ksoftirqd/010:20:080
30699108,1cyclictest9-21ksoftirqd/008:45:130
30699107,1cyclictest9-21ksoftirqd/008:00:000
30699107,1cyclictest9-21ksoftirqd/008:00:000
3309998,1cyclictest35-21ksoftirqd/311:30:153
3309997,1cyclictest35-21ksoftirqd/310:45:133
3309997,1cyclictest35-21ksoftirqd/308:00:013
3309997,1cyclictest35-21ksoftirqd/308:00:003
3309990,4cyclictest0-21swapper/311:00:143
3239997,1cyclictest28-21ksoftirqd/208:19:592
3239993,3cyclictest254-21systemd-journal11:32:132
3239990,4cyclictest5344-21/usr/sbin/munin10:10:132
3069998,1cyclictest9-21ksoftirqd/012:29:590
3069998,1cyclictest9-21ksoftirqd/011:15:140
3069998,1cyclictest9-21ksoftirqd/011:10:010
3069990,5cyclictest557-21nscd11:22:120
21648290,0sleep30-21swapper/312:04:493
10958290,1sleep30-21swapper/310:16:403
3309988,0cyclictest35-21ksoftirqd/312:25:163
3309987,1cyclictest35-21ksoftirqd/309:40:013
3309987,1cyclictest35-21ksoftirqd/307:50:003
3309986,1cyclictest35-21ksoftirqd/310:52:423
3309986,1cyclictest35-21ksoftirqd/307:25:433
3309984,1cyclictest254-21systemd-journal07:45:013
3309983,1cyclictest26106-21diskmemload09:42:583
3309982,3cyclictest554-21in:imuxsock08:34:243
3309981,5cyclictest26106-21diskmemload09:56:183
3309981,4cyclictest0-21swapper/309:45:123
3309980,6cyclictest0-21swapper/311:41:423
3309980,5cyclictest22009-21/usr/sbin/munin12:05:243
3309980,1cyclictest0-21swapper/308:55:143
3239987,1cyclictest291982sleep209:57:282
3239987,1cyclictest28-21ksoftirqd/209:53:082
3239986,1cyclictest6302-21sensors10:55:252
3239986,1cyclictest60950irq/123-eno110:30:202
3239986,1cyclictest60950irq/123-eno110:15:152
3239986,1cyclictest60950irq/123-eno109:21:402
3239986,1cyclictest28-21ksoftirqd/210:35:152
3239983,2cyclictest303-21cyclictest11:15:012
3239981,4cyclictest0-21swapper/210:00:152
3239981,3cyclictest254-21systemd-journal09:00:002
3239980,3cyclictest0-21swapper/210:51:132
3159988,0cyclictest21-21ksoftirqd/111:07:391
3159987,1cyclictest20926-21taskset08:57:101
3159980,6cyclictest0-21swapper/108:25:001
3159980,4cyclictest0-21swapper/111:40:121
3069987,1cyclictest9-21ksoftirqd/012:25:000
3069987,1cyclictest9-21ksoftirqd/008:57:420
3069987,1cyclictest9-21ksoftirqd/008:35:000
3069986,1cyclictest22314-21cat09:00:170
3069985,1cyclictest9-21ksoftirqd/010:31:410
3069985,1cyclictest254-21systemd-journal09:22:100
3069984,0cyclictest0-21swapper/010:05:140
3069982,3cyclictest16156-21kworker/0:009:40:010
3069981,6cyclictest28224-1kworker/u9:012:16:190
3069980,7cyclictest7510-21ssh10:58:110
3069980,7cyclictest28491-21ssh12:14:160
3069980,7cyclictest24957-21ssh12:09:100
3069980,5cyclictest26106-21diskmemload12:33:300
3069980,2cyclictest0-21swapper/011:25:280
3309976,1cyclictest35-21ksoftirqd/307:55:003
3309976,1cyclictest35-21ksoftirqd/307:25:013
3309976,1cyclictest35-21ksoftirqd/307:15:003
3309975,1cyclictest35-21ksoftirqd/312:00:003
3309975,1cyclictest35-21ksoftirqd/308:15:003
3309975,1cyclictest16797-21cat10:25:183
3309973,1cyclictest26106-21diskmemload11:36:583
3309970,6cyclictest0-21swapper/312:10:253
3309970,4cyclictest0-21swapper/311:25:153
3309970,3cyclictest0-21swapper/311:52:593
3309970,3cyclictest0-21swapper/309:30:273
3309970,1cyclictest0-21swapper/310:02:103
3239976,1cyclictest60950irq/123-eno112:15:132
3239976,1cyclictest60950irq/123-eno112:00:172
3239976,1cyclictest60950irq/123-eno111:40:222
3239976,1cyclictest60950irq/123-eno111:37:062
3239976,1cyclictest60950irq/123-eno111:15:582
3239976,1cyclictest60950irq/123-eno109:44:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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