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2026-06-16 - 23:59
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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 rackcslot4.osadl.org (updated Tue Jun 16, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
296732280246,19sleep10-21swapper/107:08:221
295492276191,28sleep00-21swapper/007:07:020
179699780,3rtkit-daemon1795-21rtkit-daemon07:59:350
179699650,3rtkit-daemon1795-21rtkit-daemon09:58:371
1674452600,10sleep0161rcuc/011:09:370
179699560,4rtkit-daemon1795-21rtkit-daemon11:36:281
179699530,4rtkit-daemon1795-21rtkit-daemon09:34:051
1878232520,2sleep00-21swapper/011:36:050
179699520,4rtkit-daemon1795-21rtkit-daemon11:13:300
1498502520,4sleep0149286-21/usr/sbin/munin10:45:200
179699510,3rtkit-daemon0-21swapper/110:03:221
179699500,1rtkit-daemon1795-21rtkit-daemon09:55:230
29958994714,5cyclictest26-21ksoftirqd/110:10:011
29958994515,11cyclictest26-21ksoftirqd/112:30:011
179699450,3rtkit-daemon1795-21rtkit-daemon09:12:340
179699450,3rtkit-daemon0-21swapper/110:37:431
1035062450,1sleep00-21swapper/009:42:320
29958994412,9cyclictest26-21ksoftirqd/111:20:011
179699440,4rtkit-daemon1795-21rtkit-daemon11:02:391
179699440,4rtkit-daemon1795-21rtkit-daemon08:02:151
179699440,3rtkit-daemon1795-21rtkit-daemon10:29:271
179699440,3rtkit-daemon1795-21rtkit-daemon07:48:301
179699440,1rtkit-daemon1795-21rtkit-daemon10:57:300
29958994315,5cyclictest26-21ksoftirqd/112:00:011
29958994314,11cyclictest26-21ksoftirqd/112:25:001
29958994313,5cyclictest26-21ksoftirqd/110:50:001
179699430,5rtkit-daemon169249-21vmstat11:10:241
179699430,3rtkit-daemon1795-21rtkit-daemon12:30:231
179699430,3rtkit-daemon1795-21rtkit-daemon08:37:341
29958994216,6cyclictest26-21ksoftirqd/108:55:001
29958994215,10cyclictest26-21ksoftirqd/107:25:011
29958994211,11cyclictest26-21ksoftirqd/111:25:001
29958994210,5cyclictest26-21ksoftirqd/111:35:021
179699420,7rtkit-daemon1795-21rtkit-daemon09:00:130
179699420,4rtkit-daemon1795-21rtkit-daemon11:49:111
179699420,4rtkit-daemon1795-21rtkit-daemon09:45:161
179699420,2rtkit-daemon1795-21rtkit-daemon08:43:140
29958994111,5cyclictest26-21ksoftirqd/109:40:011
29958994111,5cyclictest26-21ksoftirqd/107:35:011
179699410,4rtkit-daemon1795-21rtkit-daemon09:43:171
179699410,3rtkit-daemon0-21swapper/108:55:511
179699410,3rtkit-daemon0-21swapper/010:10:241
179699410,1rtkit-daemon1795-21rtkit-daemon08:20:540
2995899408,5cyclictest26-21ksoftirqd/110:20:001
2995899407,6cyclictest26-21ksoftirqd/109:15:011
2995899404,8cyclictest26-21ksoftirqd/111:00:011
29958994018,4cyclictest26-21ksoftirqd/108:35:011
29958994012,10cyclictest26-21ksoftirqd/109:23:431
29958994010,10cyclictest26-21ksoftirqd/112:40:011
179699400,4rtkit-daemon1795-21rtkit-daemon07:35:531
179699400,3rtkit-daemon0-21swapper/110:52:531
179699400,3rtkit-daemon0-21swapper/108:16:411
2995899396,5cyclictest26-21ksoftirqd/109:30:011
29958993910,5cyclictest26-21ksoftirqd/109:55:011
179699390,4rtkit-daemon1795-21rtkit-daemon07:40:021
179699390,3rtkit-daemon0-21swapper/108:11:391
179699390,1rtkit-daemon1795-21rtkit-daemon11:33:480
2995899389,6cyclictest26-21ksoftirqd/109:20:001
2995899384,3cyclictest26-21ksoftirqd/110:25:001
29958993836,1cyclictest0-21swapper/111:43:161
29958993814,5cyclictest26-21ksoftirqd/108:45:011
29958993810,6cyclictest26-21ksoftirqd/112:10:011
179699380,3rtkit-daemon1795-21rtkit-daemon10:34:281
179699380,3rtkit-daemon0-21swapper/111:54:111
179699380,3rtkit-daemon0-21swapper/109:02:241
2995899377,5cyclictest26-21ksoftirqd/111:10:001
2995899376,5cyclictest26-21ksoftirqd/109:10:011
29958993713,5cyclictest26-21ksoftirqd/107:50:571
29958993712,4cyclictest26-21ksoftirqd/110:40:191
29958993710,6cyclictest26-21ksoftirqd/107:20:011
29958993710,5cyclictest26-21ksoftirqd/112:05:021
179699370,1rtkit-daemon1795-21rtkit-daemon08:51:050
179699370,1rtkit-daemon1795-21rtkit-daemon07:54:380
2995899367,5cyclictest26-21ksoftirqd/108:30:001
29958993627,7cyclictest212190-21cut12:10:181
29958993619,4cyclictest26-21ksoftirqd/108:50:011
29958993619,4cyclictest26-21ksoftirqd/107:15:001
29958993619,4cyclictest26-21ksoftirqd/107:15:001
29958993611,5cyclictest26-21ksoftirqd/108:10:011
29958993611,5cyclictest26-21ksoftirqd/108:00:011
29958993610,4cyclictest26-21ksoftirqd/111:30:011
2995399361,4cyclictest13-21ksoftirqd/009:35:010
29953993614,3cyclictest141rcu_preempt07:10:130
29953993614,3cyclictest141rcu_preempt07:10:130
2995399360,8cyclictest62481-21apt-get08:30:140
179699360,3rtkit-daemon0-21swapper/010:13:520
179699360,1rtkit-daemon1795-21rtkit-daemon07:27:430
179699350,3rtkit-daemon1795-21rtkit-daemon11:24:340
179699350,3rtkit-daemon1795-21rtkit-daemon07:28:301
179699350,3rtkit-daemon0-21swapper/111:56:480
2995899346,10cyclictest26-21ksoftirqd/108:20:231
29958993418,4cyclictest26-21ksoftirqd/112:15:251
2995399341,4cyclictest13-21ksoftirqd/007:25:010
2995399340,8cyclictest82418-21apt-get09:15:130
2995399340,8cyclictest204710-21apt-get12:00:110
2995399340,7cyclictest89816-21apt-get09:25:130
2995399340,7cyclictest130529-21apt-get10:20:120
179699340,3rtkit-daemon0-21swapper/111:48:120
179699340,3rtkit-daemon0-21swapper/109:54:160
2995399338,4cyclictest141rcu_preempt12:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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