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2026-09-24 - 19:53
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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 Thu Sep 24, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300092870,2sleep5106299cyclictest10:43:055
278662690,0sleep30-21swapper/309:47:533
48312650,0sleep20-21swapper/212:19:532
99612550,1sleep39945-21sshd11:49:353
59425226,9sleep40-21swapper/407:01:464
93132510,1sleep233-21ksoftirqd/209:31:262
76225026,8sleep70-21swapper/707:03:347
55025026,8sleep00-21swapper/007:01:100
191062500,0sleep40-21swapper/409:47:224
79182480,2sleep4721-21dbus-daemon09:10:374
54222480,0sleep50-21swapper/509:04:145
325392480,0sleep1721-21dbus-daemon11:09:361
317162480,0sleep50-21swapper/510:26:075
254652480,1sleep025463-21sshd09:45:490
78824723,8sleep20-21swapper/207:03:532
52182470,2sleep4105699cyclictest11:04:274
49062470,1sleep5721-21dbus-daemon12:25:415
133092470,0sleep00-21swapper/011:21:450
72222460,1sleep37220-21sshd09:40:563
72222460,1sleep37220-21sshd09:40:563
192402450,0sleep30-21swapper/309:09:243
81762440,0sleep50-21swapper/509:37:135
77102440,0sleep30-21swapper/310:19:003
25882440,2sleep1103299cyclictest10:45:091
166202440,0sleep70-21swapper/712:24:317
8262430,0sleep60-21swapper/610:28:086
46692430,0sleep60-21swapper/612:33:276
149772430,1sleep341-21ksoftirqd/310:32:463
13552430,0sleep10-21swapper/111:00:231
100392430,1sleep310015-21sshd11:12:103
68024128,9sleep60-21swapper/607:02:456
38252410,0sleep20-21swapper/209:17:562
33132410,0sleep40-21swapper/411:45:274
322442410,0sleep30-21swapper/310:39:273
269562410,0sleep60-21swapper/611:16:546
72724028,9sleep10-21swapper/107:03:121
63424028,8sleep30-21swapper/307:02:183
62424028,8sleep50-21swapper/507:02:125
325692400,0sleep10-21swapper/112:31:141
31912400,0sleep50-21swapper/507:04:355
126772390,0sleep60-21swapper/612:04:526
101192390,0sleep50-21swapper/512:20:125
283182370,0sleep5551rcuc/511:39:285
1056992710,3cyclictest49-21ksoftirqd/412:26:544
105699249,1cyclictest49-21ksoftirqd/409:39:344
105699249,1cyclictest49-21ksoftirqd/409:39:344
1056992310,1cyclictest49-21ksoftirqd/411:18:084
105699228,2cyclictest49-21ksoftirqd/412:03:384
1056992210,2cyclictest49-21ksoftirqd/411:40:204
105699218,1cyclictest49-21ksoftirqd/412:15:394
105699216,2cyclictest49-21ksoftirqd/409:49:424
1056992116,3cyclictest49-21ksoftirqd/409:30:364
105699207,4cyclictest49-21ksoftirqd/410:25:294
105699207,3cyclictest49-21ksoftirqd/409:23:454
105699207,2cyclictest49-21ksoftirqd/412:22:424
105699206,3cyclictest49-21ksoftirqd/411:53:124
105699206,1cyclictest49-21ksoftirqd/410:29:284
105699204,3cyclictest49-21ksoftirqd/410:12:124
105699204,1cyclictest49-21ksoftirqd/411:14:104
105699203,1cyclictest49-21ksoftirqd/409:56:544
1056992016,3cyclictest49-21ksoftirqd/409:38:574
105699201,4cyclictest31564-21sshd11:24:414
229122190,1sleep122913-21sshd10:23:471
105699198,3cyclictest49-21ksoftirqd/411:35:254
105699197,2cyclictest49-21ksoftirqd/409:18:024
105699197,1cyclictest49-21ksoftirqd/411:29:184
105699195,3cyclictest49-21ksoftirqd/410:04:434
105699195,2cyclictest49-21ksoftirqd/410:49:354
105699194,2cyclictest49-21ksoftirqd/410:56:404
1056991915,1cyclictest49-21ksoftirqd/410:16:284
1056991913,3cyclictest49-21ksoftirqd/412:11:354
105699190,2cyclictest131rcu_sched10:41:304
105699190,1cyclictest29495-21sshd10:20:104
105699188,4cyclictest49-21ksoftirqd/412:05:504
105699187,1cyclictest49-21ksoftirqd/409:07:434
105699184,1cyclictest49-21ksoftirqd/411:21:344
105699183,1cyclictest49-21ksoftirqd/409:59:264
1056991815,2cyclictest49-21ksoftirqd/411:54:254
1056991815,1cyclictest49-21ksoftirqd/410:36:574
1056991814,1cyclictest49-21ksoftirqd/411:01:574
105699181,1cyclictest24614-21systemd-cgroups10:46:314
105699181,1cyclictest121rcu_preempt12:29:324
1040991816,1cyclictest33-21ksoftirqd/210:50:542
1032991816,1cyclictest25-21ksoftirqd/112:21:241
1032991816,1cyclictest25-21ksoftirqd/110:43:421
1032991815,1cyclictest25-21ksoftirqd/109:31:351
99062170,0sleep60-21swapper/611:53:306
1082991715,1cyclictest73-21ksoftirqd/712:15:067
105699171,2cyclictest49-21ksoftirqd/409:29:134
1040991715,1cyclictest33-21ksoftirqd/212:31:522
1040991715,1cyclictest33-21ksoftirqd/211:00:092
1040991713,4cyclictest33-21ksoftirqd/209:28:122
1032991716,1cyclictest25-21ksoftirqd/110:06:471
1032991715,1cyclictest25-21ksoftirqd/111:55:071
1032991715,1cyclictest25-21ksoftirqd/111:49:171
1032991715,1cyclictest25-21ksoftirqd/111:42:301
1032991715,1cyclictest25-21ksoftirqd/110:01:321
103299170,14cyclictest11195-21kworker/u16:411:24:391
103299170,1cyclictest19897-21bash12:07:191
102599173,10cyclictest0-21swapper/009:20:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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