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2025-09-19 - 11:45
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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 50 highest latencies:
System rack3slot0.osadl.org (updated Fri Sep 19, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74152800,0sleep17416-21sshd21:03:441
74152800,0sleep17416-21sshd21:03:441
114842680,1sleep411465-21bash23:32:284
114842680,1sleep411465-21bash23:32:284
171912620,0sleep30-21swapper/323:06:483
292252550,0sleep60-21swapper/623:25:256
285962530,0sleep60-21swapper/621:25:526
245162520,1sleep7668-21systemd-logind21:22:247
226682500,0sleep30-21swapper/323:04:163
153912490,0sleep6763-21runrttasks21:54:036
3235724827,18sleep10-21swapper/118:56:381
3230624825,8sleep20-21swapper/218:55:592
3208424825,8sleep00-21swapper/018:53:000
3206024825,8sleep30-21swapper/318:52:393
252102460,0sleep40-21swapper/422:18:364
148352460,0sleep20-21swapper/223:26:572
50012440,0sleep70-21swapper/721:20:487
221452440,0sleep30-21swapper/323:12:573
103992440,2sleep13248399cyclictest23:09:021
284472430,0sleep60-21swapper/623:57:056
54082420,1sleep61-21systemd23:37:356
300622420,0sleep10-21swapper/122:16:081
285592420,0sleep40-21swapper/423:54:064
62002410,0sleep50-21swapper/521:11:575
3234324127,10sleep70-21swapper/718:56:287
313632410,0sleep70-21swapper/721:49:407
210422410,1sleep421044-21sed21:02:034
210422410,1sleep421044-21sed21:02:034
3223424027,9sleep60-21swapper/618:54:586
2988824026,9sleep40-21swapper/418:51:524
158392400,0sleep70-21swapper/722:23:437
147132400,0sleep70-21swapper/722:17:357
132532400,0sleep00-21swapper/023:09:170
10702400,1sleep665-21ksoftirqd/622:50:496
41862390,0sleep20-21swapper/221:35:252
3203523827,8sleep50-21swapper/518:52:175
234332380,0sleep10-21swapper/120:59:041
187902380,0sleep70-21swapper/722:43:387
134612380,1sleep665-21ksoftirqd/600:05:146
59602330,0sleep00-21swapper/023:46:100
32489992211,0cyclictest0-21swapper/721:46:407
3248799227,0cyclictest0-21swapper/521:06:085
3248799227,0cyclictest0-21swapper/521:06:085
32489992116,4cyclictest861-21gdbus22:16:107
3248999211,8cyclictest131rcu_sched00:12:277
32487992110,0cyclictest0-21swapper/520:46:285
32489992015,5cyclictest73-21ksoftirqd/723:55:177
3248799208,12cyclictest0-21swapper/520:21:105
32484992018,1cyclictest859-21polkitd23:43:302
3248799197,6cyclictest0-21swapper/523:56:155
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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