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2026-04-18 - 19:13
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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 rack3slot0.osadl.org (updated Sat Apr 18, 2026 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1614321000,0sleep30-21swapper/310:59:583
80692940,0sleep40-21swapper/412:21:134
21922780,1sleep7686-21dbus-daemon10:57:147
221892690,2sleep2587199cyclictest09:06:242
5877996653,8cyclictest65-21ksoftirqd/611:08:066
5883996032,0cyclictest0-21swapper/711:08:067
5865995756,1cyclictest25-21ksoftirqd/111:08:061
586499540,53cyclictest9397-21kworker/0:111:08:050
227732530,0sleep6641ktimersoftd/611:48:396
572825228,8sleep70-21swapper/707:05:317
558725227,9sleep00-21swapper/007:03:320
162592510,0sleep2311rcuc/211:05:342
14312510,0sleep70-21swapper/709:13:107
154022490,0sleep70-21swapper/711:05:317
567124725,8sleep60-21swapper/607:04:426
37802470,0sleep40-21swapper/412:13:364
294202460,1sleep2587199cyclictest09:57:262
203942460,0sleep50-21swapper/509:34:465
203942460,0sleep50-21swapper/509:34:465
189532460,2sleep4587599cyclictest09:55:044
557024524,8sleep30-21swapper/307:03:193
541924524,9sleep40-21swapper/407:01:114
43222450,2sleep2587199cyclictest09:46:452
194852450,0sleep419468-21sshd11:18:414
194852450,0sleep419468-21sshd11:18:414
33102440,0sleep50-21swapper/512:15:295
291262440,0sleep329119-21sshd12:26:083
178362440,0sleep60-21swapper/611:42:466
82652430,1sleep5587699cyclictest09:52:335
564824332,8sleep50-21swapper/507:04:255
44922430,0sleep2321ktimersoftd/209:24:342
320362430,1sleep332027-21bash10:34:513
276852430,0sleep10-21swapper/111:19:101
276852430,0sleep10-21swapper/111:19:101
211842430,0sleep50-21swapper/512:23:545
194542420,0sleep20-21swapper/210:56:212
144132420,0sleep60-21swapper/612:17:546
124252420,0sleep30-21swapper/311:18:163
124252420,0sleep30-21swapper/311:18:163
587699410,40cyclictest14171-21kworker/u16:211:08:065
34172410,2sleep0586499cyclictest11:40:080
237102410,0sleep70-21swapper/711:46:487
162442410,0sleep40-21swapper/411:51:574
158552410,0sleep70-21swapper/712:14:197
105752410,0sleep60-21swapper/609:37:526
6322400,0sleep30-21swapper/310:06:563
5871994039,1cyclictest22379-21kworker/2:011:08:062
256582400,2sleep4587599cyclictest11:13:294
160072400,0sleep50-21swapper/509:41:515
13812400,0sleep10-21swapper/110:47:551
547423917,8sleep10-21swapper/107:01:571
543523926,9sleep20-21swapper/207:01:252
293002390,0sleep20-21swapper/211:52:432
256912390,0sleep00-21swapper/010:17:420
219682390,1sleep449-21ksoftirqd/411:04:004
186512390,0sleep3391rcuc/311:13:043
160532390,1sleep016047-21systemd11:18:290
160532390,1sleep016047-21systemd11:18:290
152002360,0sleep00-21swapper/011:40:480
225982230,2sleep1586599cyclictest12:16:291
100392210,10sleep687950irq/25-em1-rx-012:00:566
100392210,10sleep687950irq/25-em1-rx-012:00:566
5874992018,2cyclictest786-21snmpd11:08:063
321882200,0sleep60-21swapper/612:13:226
175632190,0sleep00-21swapper/012:05:070
175632190,0sleep00-21swapper/012:05:070
5883991815,2cyclictest73-21ksoftirqd/712:27:267
5883991811,2cyclictest73-21ksoftirqd/711:13:417
73712170,0sleep30-21swapper/311:44:033
5883991716,1cyclictest73-21ksoftirqd/711:21:597
5883991715,1cyclictest73-21ksoftirqd/711:36:247
5883991715,1cyclictest73-21ksoftirqd/710:11:107
5883991714,2cyclictest73-21ksoftirqd/711:29:177
5876991715,1cyclictest57-21ksoftirqd/509:56:215
587599171,15cyclictest1-21systemd11:08:064
5865991715,1cyclictest25-21ksoftirqd/111:12:461
5865991715,1cyclictest25-21ksoftirqd/110:54:211
80862160,0sleep38082-21sshd10:37:083
5883991615,1cyclictest73-21ksoftirqd/712:06:017
5883991615,1cyclictest73-21ksoftirqd/712:06:017
5883991615,1cyclictest73-21ksoftirqd/710:06:047
5883991615,1cyclictest73-21ksoftirqd/709:06:427
5883991614,1cyclictest73-21ksoftirqd/712:21:407
5883991614,1cyclictest73-21ksoftirqd/710:36:067
5883991614,1cyclictest73-21ksoftirqd/710:30:037
5883991614,1cyclictest73-21ksoftirqd/709:56:347
5883991614,1cyclictest73-21ksoftirqd/709:26:547
5883991613,1cyclictest73-21ksoftirqd/712:17:597
5883991612,2cyclictest73-21ksoftirqd/712:31:007
588399160,2cyclictest131rcu_sched09:51:427
588399160,15cyclictest17380-21kworker/7:211:15:557
588399160,15cyclictest17380-21kworker/7:211:15:557
587599160,12cyclictest24348-21sshd09:29:254
5865991614,1cyclictest25-21ksoftirqd/110:40:221
116652160,0sleep40-21swapper/410:02:014
588399158,3cyclictest73-21ksoftirqd/709:47:577
5883991513,1cyclictest73-21ksoftirqd/711:55:557
5883991513,1cyclictest73-21ksoftirqd/710:47:497
5883991513,1cyclictest73-21ksoftirqd/710:44:047
5883991513,1cyclictest73-21ksoftirqd/710:32:337
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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