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2026-06-22 - 21:07
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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 Mon Jun 22, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30001822268191,28sleep10-21swapper/107:05:521
30005522262180,19sleep00-21swapper/007:09:500
308296321370,5sleep10-21swapper/109:55:081
32014792860,12sleep013-21ksoftirqd/012:39:230
179699680,8rtkit-daemon3015111-21expr07:40:220
179699610,5rtkit-daemon3020149-21diskstats07:55:170
179699610,5rtkit-daemon3001617-21ntp_states07:10:220
179699590,4rtkit-daemon3049073-21diskmemload11:41:020
179699570,3rtkit-daemon0-21swapper/009:40:230
179699560,5rtkit-daemon3039498-21apt-get08:45:140
179699560,4rtkit-daemon1795-21rtkit-daemon12:15:240
179699560,3rtkit-daemon0-21swapper/008:55:160
179699550,5rtkit-daemon3049073-21diskmemload09:47:450
179699550,3rtkit-daemon0-21swapper/011:48:170
179699550,3rtkit-daemon0-21swapper/009:25:010
179699540,4rtkit-daemon1795-21rtkit-daemon11:26:390
179699540,4rtkit-daemon1795-21rtkit-daemon10:06:460
179699540,4rtkit-daemon1795-21rtkit-daemon08:07:450
179699540,3rtkit-daemon0-21swapper/011:56:520
179699540,3rtkit-daemon0-21swapper/009:50:240
179699540,3rtkit-daemon0-21swapper/009:35:520
179699540,3rtkit-daemon0-21swapper/009:10:180
30111982530,4sleep03011197-21seq07:30:240
179699530,4rtkit-daemon1795-21rtkit-daemon12:30:110
179699530,4rtkit-daemon1795-21rtkit-daemon10:22:200
179699530,3rtkit-daemon0-21swapper/010:15:060
179699530,3rtkit-daemon0-21swapper/009:21:260
179699530,3rtkit-daemon0-21swapper/008:53:590
179699520,4rtkit-daemon1795-21rtkit-daemon11:37:030
179699520,3rtkit-daemon0-21swapper/010:00:260
179699520,23rtkit-daemon3000703-21cyclictest10:58:430
179699510,4rtkit-daemon1795-21rtkit-daemon12:23:430
179699510,4rtkit-daemon1795-21rtkit-daemon11:21:520
179699510,4rtkit-daemon1795-21rtkit-daemon07:22:370
179699510,3rtkit-daemon1795-21rtkit-daemon12:28:010
179699510,3rtkit-daemon0-21swapper/011:07:550
179699510,3rtkit-daemon0-21swapper/009:31:210
179699500,4rtkit-daemon1795-21rtkit-daemon12:11:330
179699500,4rtkit-daemon1795-21rtkit-daemon08:13:540
179699500,3rtkit-daemon1795-21rtkit-daemon11:31:430
179699500,3rtkit-daemon0-21swapper/009:19:270
179699500,19rtkit-daemon1795-21rtkit-daemon08:00:220
179699490,3rtkit-daemon0-21swapper/010:34:210
179699490,3rtkit-daemon0-21swapper/009:08:470
179699490,1rtkit-daemon1795-21rtkit-daemon10:48:000
179699480,3rtkit-daemon1795-21rtkit-daemon08:23:450
179699480,22rtkit-daemon3000703-21cyclictest08:41:140
30607362460,2sleep10-21swapper/109:25:151
179699460,3rtkit-daemon0-21swapper/112:22:131
179699460,18rtkit-daemon0-21swapper/110:41:210
179699450,18rtkit-daemon0-21swapper/112:05:320
179699440,17rtkit-daemon0-21swapper/110:35:420
179699420,14rtkit-daemon0-21swapper/110:26:510
179699420,10rtkit-daemon3070144-21sh09:36:051
179699400,3rtkit-daemon0-21swapper/007:35:140
179699380,3rtkit-daemon0-21swapper/011:03:050
179699360,5rtkit-daemon3160706-21ssh11:41:361
179699360,3rtkit-daemon0-21swapper/009:12:481
179699360,13rtkit-daemon0-21swapper/108:28:320
31461962350,4chrt0-21swapper/111:21:381
179699350,3rtkit-daemon0-21swapper/010:39:511
179699350,3rtkit-daemon0-21swapper/009:59:510
179699350,3rtkit-daemon0-21swapper/009:24:551
179699350,3rtkit-daemon0-21swapper/008:43:141
179699350,3rtkit-daemon0-21swapper/008:37:001
179699350,3rtkit-daemon0-21swapper/008:04:021
179699340,4rtkit-daemon1795-21rtkit-daemon11:17:350
179699340,4rtkit-daemon0-21swapper/012:06:121
179699340,3rtkit-daemon0-21swapper/009:16:171
179699340,3rtkit-daemon0-21swapper/008:50:231
179699340,3rtkit-daemon0-21swapper/008:45:351
179699340,3rtkit-daemon0-21swapper/007:47:390
3000713993330,2cyclictest3075205-21kworker/1:209:48:031
179699330,3rtkit-daemon0-21swapper/011:07:011
179699330,3rtkit-daemon0-21swapper/009:50:171
179699330,3rtkit-daemon0-21swapper/009:30:051
179699330,3rtkit-daemon0-21swapper/007:23:161
3000709993214,4cyclictest13-21ksoftirqd/010:10:290
179699320,4rtkit-daemon1795-21rtkit-daemon12:04:321
179699320,3rtkit-daemon0-21swapper/009:06:271
179699320,3rtkit-daemon0-21swapper/008:55:311
179699320,3rtkit-daemon0-21swapper/008:31:371
179699320,3rtkit-daemon0-21swapper/007:25:381
3000713993123,6cyclictest3200093-21seq12:35:571
179699310,5rtkit-daemon3073424-21ssh09:40:381
179699310,3rtkit-daemon1795-21rtkit-daemon08:32:410
179699310,3rtkit-daemon0-21swapper/010:40:051
179699310,3rtkit-daemon0-21swapper/009:04:501
179699310,3rtkit-daemon0-21swapper/007:58:101
179699310,3rtkit-daemon0-21swapper/007:10:031
179699300,4rtkit-daemon0-21swapper/011:50:031
179699300,3rtkit-daemon0-21swapper/011:15:511
179699300,3rtkit-daemon0-21swapper/007:51:111
179699300,3rtkit-daemon0-21swapper/007:47:461
179699300,3rtkit-daemon0-21swapper/007:40:431
3000713992914,9cyclictest3190951-21apt-get12:25:131
3000713992913,10cyclictest3023858-21apt-get08:05:131
179699290,3rtkit-daemon0-21swapper/010:00:061
300071399280,15cyclictest893-21snmpd11:13:131
179699280,4rtkit-daemon1795-21rtkit-daemon10:32:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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