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2026-04-15 - 03:09
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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 Wed Apr 15, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2432999124122,2cyclictest0-21swapper/321:29:103
2432999124122,2cyclictest0-21swapper/321:29:103
94212970,1sleep09399-21cp21:10:530
2435499860,85cyclictest14251-21kworker/6:121:29:096
2435499860,85cyclictest14251-21kworker/6:121:29:096
2432499790,78cyclictest19842-21kworker/2:221:29:092
2432499790,78cyclictest19842-21kworker/2:221:29:092
187832630,2sleep618781-21sshd23:56:546
2431699540,53cyclictest985-21kworker/1:121:29:101
2431699540,53cyclictest985-21kworker/1:121:29:101
306122530,0sleep20-21swapper/221:53:002
2415025228,9sleep70-21swapper/719:05:307
190602520,0sleep319058-21sshd21:48:363
272542510,0sleep60-21swapper/621:41:356
2434199510,38cyclictest18470-21kworker/4:221:29:094
2434199510,38cyclictest18470-21kworker/4:221:29:094
170952510,1sleep417093-21systemd-cgroups22:08:564
326032500,0sleep70-21swapper/721:06:047
238942500,1sleep623893-21grepconf.sh22:35:256
192152500,0sleep10-21swapper/121:16:551
160702500,0sleep40-21swapper/423:25:124
63332490,0sleep46332-21systemd-cgroups00:22:154
278192490,0sleep227818-21sshd22:22:312
2413524926,8sleep10-21swapper/119:05:161
183032490,0sleep50-21swapper/523:14:085
141562490,0sleep313946-21sshd21:55:493
2397424825,8sleep30-21swapper/319:03:013
185862480,1sleep118584-21sshd23:41:591
17422480,0sleep20-21swapper/222:30:242
99942470,0sleep00-21swapper/000:15:060
160532470,0sleep50-21swapper/521:39:095
160532470,0sleep50-21swapper/521:39:095
322702460,0sleep50-21swapper/500:08:545
289022460,0sleep30-21swapper/322:13:193
261972460,0sleep00-21swapper/021:22:550
178542460,0sleep717851-21sshd21:48:327
85812450,0sleep30-21swapper/300:15:013
41582450,0sleep70-21swapper/723:22:357
308982440,1sleep1686-21dbus-daemon23:57:371
183552440,1sleep418353-21sshd22:18:174
129972440,0sleep10-21swapper/121:33:211
45502430,0sleep30-21swapper/321:14:173
2393724330,9sleep00-21swapper/019:02:340
291582420,0sleep20-21swapper/222:18:552
4962410,0sleep2784-21runrttasks23:22:222
223692410,0sleep00-21swapper/022:46:240
182212410,0sleep50-21swapper/522:05:205
93722400,0sleep20-21swapper/200:29:582
2405324028,9sleep60-21swapper/619:04:086
2403124026,10sleep40-21swapper/419:03:504
226452400,0sleep10-21swapper/123:18:051
180252400,0sleep20-21swapper/223:43:532
174872400,1sleep417454-21cp22:44:204
129302400,0sleep10-21swapper/100:07:461
64052390,0sleep70-21swapper/723:04:097
294342390,0sleep30-21swapper/323:07:173
251842390,0sleep70-21swapper/721:32:077
218352390,0sleep30-21swapper/323:31:043
2170223927,8sleep20-21swapper/219:01:002
2169623926,9sleep50-21swapper/519:00:555
95202380,0sleep30-21swapper/323:48:583
24356993838,0cyclictest3410-21kworker/7:221:29:107
24356993838,0cyclictest3410-21kworker/7:221:29:107
222392380,0sleep40-21swapper/421:24:354
304272360,1sleep530409-21bash23:37:075
292912360,2sleep52434899cyclictest21:17:315
178122360,2sleep32432999cyclictest21:39:153
178122360,2sleep32432999cyclictest21:39:153
211932350,0sleep70-21swapper/720:51:067
49192340,0sleep50-21swapper/521:29:085
49192340,0sleep50-21swapper/521:29:085
24308993221,11cyclictest0-21swapper/021:29:100
24308993221,11cyclictest0-21swapper/021:29:100
2434199259,3cyclictest49-21ksoftirqd/422:37:374
24341992511,1cyclictest49-21ksoftirqd/400:16:014
2434199245,1cyclictest49-21ksoftirqd/422:25:054
2434199236,3cyclictest49-21ksoftirqd/400:01:194
24316992217,3cyclictest25-21ksoftirqd/123:30:361
76242200,0sleep00-21swapper/022:19:330
2434199208,2cyclictest49-21ksoftirqd/400:32:134
2434199207,3cyclictest49-21ksoftirqd/421:09:594
2434199203,1cyclictest49-21ksoftirqd/423:06:314
24341992016,1cyclictest49-21ksoftirqd/422:55:174
24316992016,1cyclictest25-21ksoftirqd/122:34:221
24341991916,3cyclictest49-21ksoftirqd/423:53:304
24341991916,1cyclictest49-21ksoftirqd/423:17:034
24341991916,1cyclictest49-21ksoftirqd/423:11:364
24341991915,1cyclictest49-21ksoftirqd/421:48:054
24341991913,4cyclictest49-21ksoftirqd/422:00:224
2431699195,3cyclictest25-21ksoftirqd/123:07:411
24316991918,1cyclictest25-21ksoftirqd/122:40:081
24316991917,1cyclictest25-21ksoftirqd/123:48:291
24316991915,3cyclictest25-21ksoftirqd/122:00:201
24316991915,1cyclictest25-21ksoftirqd/121:37:131
24316991915,1cyclictest25-21ksoftirqd/121:37:131
24316991914,2cyclictest25-21ksoftirqd/123:32:511
2430899192,16cyclictest0-21swapper/023:08:590
260132180,1sleep1241ktimersoftd/121:21:031
2434199187,1cyclictest49-21ksoftirqd/400:14:244
2434199182,1cyclictest49-21ksoftirqd/423:44:284
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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