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2026-06-01 - 11:14
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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 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
179699300,3rtkit-daemon0-21swapper/119:50:270
179699290,3rtkit-daemon0-21swapper/123:54:360
3549013992823,3cyclictest66950irq/132-enp2s022:34:521
354901399280,7cyclictest3640832-21ssh22:08:351
179699280,3rtkit-daemon0-21swapper/123:55:550
354900399263,14cyclictest13-21ksoftirqd/023:04:560
3549003992610,6cyclictest13-21ksoftirqd/021:49:220
3549013992514,6cyclictest66950irq/132-enp2s021:20:131
354900399259,4cyclictest13-21ksoftirqd/021:39:590
3549003992510,10cyclictest3554085-21apt-get19:20:140
354901399246,16cyclictest3693238-21fschecks_time23:20:171
354901399242,16cyclictest3616385-21apt-get21:35:131
354900399242,16cyclictest3573624-21apt-get20:10:150
354900399242,14cyclictest3593230-21apt-get21:00:120
354900399242,13cyclictest3567751-21apt-get19:55:130
354901399230,6cyclictest0-21swapper/121:30:401
354901399230,5cyclictest3599094-21ssh21:10:391
354900399235,12cyclictest3619889-21apt-get21:40:140
354900399232,15cyclictest3742872-21apt-get00:30:110
354900399231,5cyclictest3596924-21diskmemload23:10:230
179699230,3rtkit-daemon1795-21rtkit-daemon19:34:420
354900399224,3cyclictest96-21kswapd021:50:130
354900399223,7cyclictest141rcu_preempt00:00:270
354900399222,14cyclictest3595181-21apt-get21:05:150
354900399222,14cyclictest3561905-21apt-get19:40:140
354900399222,13cyclictest3571675-21apt-get20:05:170
354900399221,6cyclictest3596924-21diskmemload23:06:070
354900399221,4cyclictest13-21ksoftirqd/020:50:010
3549003992214,6cyclictest3601832-21seq21:15:200
354900399221,15cyclictest3700095-21apt-get23:30:130
354900399220,6cyclictest0-21swapper/021:26:420
179699220,1rtkit-daemon1795-21rtkit-daemon19:54:571
354901399211,3cyclictest3560760-21pmu-power19:35:211
354900399212,14cyclictest3556033-21apt-get19:25:150
354900399200,8cyclictest3582796-21anacron20:30:570
354900399200,8cyclictest3582796-21anacron20:30:570
3549013991914,4cyclictest3550927-21latency_hist19:15:001
3549013991914,3cyclictest3700897-21ntp_offset23:30:211
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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