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2026-06-13 - 10:39
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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 Sat Jun 13, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11009482313269,28sleep10-21swapper/119:06:581
11008702311268,28sleep00-21swapper/019:06:070
179699600,4rtkit-daemon0-21swapper/123:21:441
179699570,3rtkit-daemon0-21swapper/121:05:121
179699570,3rtkit-daemon0-21swapper/119:45:121
179699570,3rtkit-daemon0-21swapper/119:40:111
179699560,4rtkit-daemon1795-21rtkit-daemon22:19:281
179699560,3rtkit-daemon0-21swapper/120:36:371
179699540,4rtkit-daemon1795-21rtkit-daemon23:46:211
179699540,4rtkit-daemon1795-21rtkit-daemon23:46:201
179699530,4rtkit-daemon1795-21rtkit-daemon23:09:031
179699530,4rtkit-daemon1164612-21ssh21:28:181
179699530,3rtkit-daemon0-21swapper/121:18:151
179699520,4rtkit-daemon1227528-21ssh22:52:201
179699520,3rtkit-daemon0-21swapper/123:50:401
179699510,4rtkit-daemon1795-21rtkit-daemon20:44:451
179699510,3rtkit-daemon0-21swapper/123:29:001
179699510,3rtkit-daemon0-21swapper/100:29:331
179699510,3rtkit-daemon0-21swapper/100:17:031
179699500,4rtkit-daemon1795-21rtkit-daemon22:45:511
179699500,4rtkit-daemon1795-21rtkit-daemon20:47:351
179699490,3rtkit-daemon0-21swapper/119:17:461
179699480,18rtkit-daemon1795-21rtkit-daemon20:16:431
179699470,3rtkit-daemon1795-21rtkit-daemon19:34:061
179699470,3rtkit-daemon0-21swapper/019:54:340
179699470,20rtkit-daemon1101346-21cyclictest00:33:451
179699470,1rtkit-daemon1795-21rtkit-daemon23:18:561
179699470,17rtkit-daemon1795-21rtkit-daemon23:32:241
179699470,17rtkit-daemon0-21swapper/020:33:271
179699450,17rtkit-daemon1795-21rtkit-daemon00:39:581
179699440,17rtkit-daemon0-21swapper/019:51:461
179699440,17rtkit-daemon0-21swapper/019:11:551
179699430,6rtkit-daemon1795-21rtkit-daemon00:25:120
179699430,3rtkit-daemon0-21swapper/020:50:510
179699430,13rtkit-daemon0-21swapper/021:57:491
11325562420,0sleep0161rcuc/020:25:030
179699410,16rtkit-daemon768-21irqbalance22:21:571
179699410,13rtkit-daemon0-21swapper/022:31:001
179699400,7rtkit-daemon1795-21rtkit-daemon20:35:110
179699400,13rtkit-daemon0-21swapper/019:38:571
179699400,12rtkit-daemon0-21swapper/021:42:291
179699380,5rtkit-daemon1150442-21diskmemload00:04:270
179699380,3rtkit-daemon0-21swapper/123:14:011
179699370,3rtkit-daemon0-21swapper/121:33:001
179699370,3rtkit-daemon0-21swapper/100:00:361
179699360,3rtkit-daemon0-21swapper/121:22:271
179699350,3rtkit-daemon0-21swapper/123:59:271
179699350,3rtkit-daemon0-21swapper/120:14:011
179699340,3rtkit-daemon1795-21rtkit-daemon00:08:401
179699340,3rtkit-daemon0-21swapper/121:21:380
1101349993428,4cyclictest1178981-21taskset21:46:350
179699330,4rtkit-daemon1795-21rtkit-daemon22:37:381
179699330,4rtkit-daemon1267985-21ssh23:46:560
179699330,4rtkit-daemon1267985-21ssh23:46:550
179699330,3rtkit-daemon0-21swapper/121:15:280
179699330,3rtkit-daemon0-21swapper/120:09:031
1101349993313,6cyclictest13-21ksoftirqd/022:51:230
179699320,4rtkit-daemon1795-21rtkit-daemon22:13:171
179699320,4rtkit-daemon1795-21rtkit-daemon21:54:191
179699320,3rtkit-daemon0-21swapper/123:32:170
179699320,3rtkit-daemon0-21swapper/120:18:000
179699320,3rtkit-daemon0-21swapper/120:07:510
179699310,3rtkit-daemon1795-21rtkit-daemon23:42:531
179699310,3rtkit-daemon0-21swapper/123:29:060
179699310,3rtkit-daemon0-21swapper/121:28:530
179699300,4rtkit-daemon1795-21rtkit-daemon21:59:260
179699300,3rtkit-daemon0-21swapper/123:43:340
179699300,3rtkit-daemon0-21swapper/122:07:000
179699300,3rtkit-daemon0-21swapper/121:03:020
179699300,3rtkit-daemon0-21swapper/120:33:190
179699300,3rtkit-daemon0-21swapper/100:18:500
179699300,3rtkit-daemon0-21swapper/020:51:231
179699290,4rtkit-daemon1168135-21ssh21:32:390
179699290,3rtkit-daemon1795-21rtkit-daemon19:27:261
179699290,3rtkit-daemon0-21swapper/123:13:530
179699290,3rtkit-daemon0-21swapper/121:54:540
179699280,3rtkit-daemon0-21swapper/120:00:110
1101353992820,6cyclictest1176855-21cnf-update-db21:45:021
179699270,3rtkit-daemon0-21swapper/123:53:530
179699270,3rtkit-daemon0-21swapper/119:44:040
110134999270,6cyclictest0-21swapper/022:13:530
1101353992613,7cyclictest66950irq/132-enp2s021:35:121
1101349992611,9cyclictest1263949-1kworker/u9:100:05:170
179699250,1rtkit-daemon1795-21rtkit-daemon19:14:080
110134999252,15cyclictest1228937-21apt-get22:55:140
110134999252,15cyclictest1140453-21apt-get20:45:120
179699240,1rtkit-daemon1795-21rtkit-daemon21:40:520
179699240,1rtkit-daemon1795-21rtkit-daemon19:55:140
110135399248,6cyclictest0-21swapper/100:14:131
110135399240,6cyclictest0-21swapper/120:28:591
110134999249,10cyclictest1148684-21apt-get21:05:140
110134999248,8cyclictest13-21ksoftirqd/022:33:530
110134999247,7cyclictest13-21ksoftirqd/022:18:340
110134999242,15cyclictest1236502-21apt-get23:05:120
110134999242,14cyclictest1116590-21apt-get19:45:110
179699230,14rtkit-daemon26-21ksoftirqd/120:04:321
179699230,14rtkit-daemon0-21swapper/123:00:221
110135399235,16cyclictest1261470-21python323:40:001
1101353992312,5cyclictest1289756-21apt-get00:20:121
1101353992311,10cyclictest26-21ksoftirqd/122:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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