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2026-06-01 - 07:22
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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 01, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35488912262188,27sleep10-21swapper/119:09:501
35485542262185,62sleep00-21swapper/019:06:150
359119621720,4sleep03591194-21seq20:55:000
360595821700,8sleep013-21ksoftirqd/021:20:190
36037682770,3sleep10-21swapper/121:17:191
36753312700,4sleep03596924-21diskmemload22:55:170
179699620,5rtkit-daemon3637003-21ssh22:03:011
179699590,4rtkit-daemon3737770-21sh00:22:421
179699590,3rtkit-daemon0-21swapper/122:18:151
179699580,4rtkit-daemon0-21swapper/120:00:161
179699560,6rtkit-daemon3672879-21ssh22:51:001
179699560,3rtkit-daemon0-21swapper/120:14:591
179699550,6rtkit-daemon3726516-21ssh00:07:111
179699550,4rtkit-daemon1795-21rtkit-daemon21:00:131
179699550,3rtkit-daemon0-21swapper/123:46:151
179699550,3rtkit-daemon0-21swapper/123:18:371
179699550,3rtkit-daemon0-21swapper/122:36:571
179699550,3rtkit-daemon0-21swapper/120:40:291
179699550,3rtkit-daemon0-21swapper/119:59:001
179699550,3rtkit-daemon0-21swapper/100:18:081
179699540,4rtkit-daemon1795-21rtkit-daemon00:12:081
179699540,4rtkit-daemon1795-21rtkit-daemon00:12:081
179699540,3rtkit-daemon0-21swapper/123:59:261
179699540,3rtkit-daemon0-21swapper/122:40:341
179699540,3rtkit-daemon0-21swapper/121:08:501
179699540,3rtkit-daemon0-21swapper/120:47:521
179699540,3rtkit-daemon0-21swapper/119:30:171
179699540,3rtkit-daemon0-21swapper/100:27:251
179699530,6rtkit-daemon3551474-21fw_packets19:15:030
179699530,4rtkit-daemon0-21swapper/119:28:351
179699530,3rtkit-daemon0-21swapper/120:50:551
179699530,3rtkit-daemon0-21swapper/120:28:451
179699530,3rtkit-daemon0-21swapper/120:06:261
179699520,3rtkit-daemon0-21swapper/123:53:391
179699520,3rtkit-daemon0-21swapper/122:48:301
179699520,3rtkit-daemon0-21swapper/122:27:451
179699520,3rtkit-daemon0-21swapper/122:22:161
179699520,3rtkit-daemon0-21swapper/120:23:571
179699520,3rtkit-daemon0-21swapper/120:18:081
179699520,3rtkit-daemon0-21swapper/119:49:331
179699520,3rtkit-daemon0-21swapper/100:38:081
179699510,3rtkit-daemon1795-21rtkit-daemon22:55:541
179699510,3rtkit-daemon0-21swapper/123:43:381
179699510,3rtkit-daemon0-21swapper/123:26:271
179699510,3rtkit-daemon0-21swapper/121:59:041
179699510,3rtkit-daemon0-21swapper/121:48:221
179699510,3rtkit-daemon0-21swapper/120:39:131
179699510,3rtkit-daemon0-21swapper/120:30:371
179699510,3rtkit-daemon0-21swapper/120:30:361
179699510,1rtkit-daemon1795-21rtkit-daemon23:37:491
179699500,6rtkit-daemon3638672-21irqstats22:05:200
179699500,5rtkit-daemon3583603-21diskstats20:35:140
179699500,4rtkit-daemon1795-21rtkit-daemon21:44:401
179699500,4rtkit-daemon1795-21rtkit-daemon21:26:321
179699500,3rtkit-daemon0-21swapper/100:01:421
179699490,7rtkit-daemon3560311-21gltestperf19:35:170
179699490,4rtkit-daemon1795-21rtkit-daemon19:18:371
179699480,4rtkit-daemon1795-21rtkit-daemon23:01:501
179699480,21rtkit-daemon3548998-21cyclictest19:23:411
179699470,4rtkit-daemon1795-21rtkit-daemon23:07:311
179699470,19rtkit-daemon3548998-21cyclictest19:41:121
179699460,5rtkit-daemon3593020-21ls21:00:010
179699460,4rtkit-daemon1795-21rtkit-daemon22:10:091
179699450,17rtkit-daemon1795-21rtkit-daemon20:57:271
36575672440,3sleep00-21swapper/022:30:400
179699440,5rtkit-daemon3596924-21diskmemload00:28:490
36304212430,5sleep10-21swapper/121:54:291
179699430,4rtkit-daemon0-21swapper/120:45:010
179699390,3rtkit-daemon0-21swapper/123:23:030
179699390,3rtkit-daemon0-21swapper/121:10:210
179699390,3rtkit-daemon0-21swapper/120:00:230
179699370,3rtkit-daemon0-21swapper/123:48:500
179699370,3rtkit-daemon0-21swapper/122:04:390
179699370,3rtkit-daemon0-21swapper/100:12:580
179699370,3rtkit-daemon0-21swapper/100:12:580
179699370,12rtkit-daemon0-21swapper/023:11:441
36157922360,2sleep00-21swapper/021:34:150
179699360,3rtkit-daemon0-21swapper/122:29:430
179699360,3rtkit-daemon0-21swapper/122:12:380
179699360,3rtkit-daemon0-21swapper/120:28:020
179699350,5rtkit-daemon3596924-21diskmemload22:37:260
179699340,5rtkit-daemon26-21ksoftirqd/122:21:130
179699340,5rtkit-daemon1795-21rtkit-daemon19:10:220
179699340,3rtkit-daemon0-21swapper/123:25:090
179699340,3rtkit-daemon0-21swapper/122:18:090
179699340,3rtkit-daemon0-21swapper/100:31:171
179699340,3rtkit-daemon0-21swapper/100:07:180
179699330,3rtkit-daemon0-21swapper/122:41:160
179699330,3rtkit-daemon0-21swapper/119:48:030
179699330,3rtkit-daemon0-21swapper/100:35:250
179699330,3rtkit-daemon0-21swapper/100:18:220
3549003993211,9cyclictest161rcuc/021:57:150
179699320,3rtkit-daemon0-21swapper/123:17:360
179699320,3rtkit-daemon0-21swapper/100:23:380
179699310,3rtkit-daemon0-21swapper/122:45:150
179699310,3rtkit-daemon0-21swapper/120:21:030
354900399301,14cyclictest3596924-21diskmemload23:35:210
179699300,3rtkit-daemon0-21swapper/123:40:220
179699300,3rtkit-daemon0-21swapper/122:52:260
179699300,3rtkit-daemon0-21swapper/120:18:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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