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2025-09-16 - 18:55
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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 Tue Sep 16, 2025 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34253062261180,26sleep00-21swapper/007:07:430
34252532258184,59sleep10-21swapper/107:07:131
125899750,22rtkit-daemon1257-21rtkit-daemon11:35:010
3425733997268,3cyclictest3582314-21kworker/u8:011:37:401
34393112630,5sleep10-21swapper/107:40:231
125899560,4rtkit-daemon1257-21rtkit-daemon11:43:300
125899560,4rtkit-daemon1257-21rtkit-daemon07:21:270
125899550,4rtkit-daemon1257-21rtkit-daemon09:09:490
125899550,4rtkit-daemon1257-21rtkit-daemon07:35:490
125899540,4rtkit-daemon1257-21rtkit-daemon08:00:470
125899530,4rtkit-daemon1257-21rtkit-daemon12:37:410
125899530,4rtkit-daemon1257-21rtkit-daemon12:24:520
125899530,4rtkit-daemon1257-21rtkit-daemon10:39:171
125899530,4rtkit-daemon1257-21rtkit-daemon09:05:351
125899530,4rtkit-daemon1257-21rtkit-daemon07:13:280
125899520,3rtkit-daemon1257-21rtkit-daemon11:08:240
125899520,1rtkit-daemon1257-21rtkit-daemon07:50:141
35942842510,6sleep10-21swapper/111:51:541
125899510,3rtkit-daemon1257-21rtkit-daemon12:29:150
125899510,3rtkit-daemon1257-21rtkit-daemon11:12:470
125899510,3rtkit-daemon0-21swapper/110:30:571
35006452500,8chrt3500644-21wc09:45:001
125899500,4rtkit-daemon1257-21rtkit-daemon12:12:421
125899500,4rtkit-daemon1257-21rtkit-daemon10:26:060
125899500,3rtkit-daemon0-21swapper/108:26:561
125899490,3rtkit-daemon1257-21rtkit-daemon09:54:081
125899490,3rtkit-daemon1257-21rtkit-daemon09:01:530
125899480,4rtkit-daemon1257-21rtkit-daemon10:55:441
125899480,3rtkit-daemon1257-21rtkit-daemon09:10:321
125899480,2rtkit-daemon1257-21rtkit-daemon12:23:401
125899470,4rtkit-daemon1257-21rtkit-daemon12:19:421
125899470,4rtkit-daemon1257-21rtkit-daemon11:10:041
125899470,3rtkit-daemon1257-21rtkit-daemon07:49:521
125899460,3rtkit-daemon1257-21rtkit-daemon10:43:481
35017762450,3sleep13501774-21grep09:45:241
125899450,4rtkit-daemon1257-21rtkit-daemon10:03:031
125899440,4rtkit-daemon1257-21rtkit-daemon10:25:371
125899440,1rtkit-daemon1257-21rtkit-daemon11:05:091
125899440,1rtkit-daemon1257-21rtkit-daemon09:19:251
125899440,1rtkit-daemon1257-21rtkit-daemon09:02:301
125899430,4rtkit-daemon1257-21rtkit-daemon10:10:200
125899430,4rtkit-daemon1257-21rtkit-daemon09:43:290
125899430,4rtkit-daemon1257-21rtkit-daemon09:14:440
125899430,3rtkit-daemon1257-21rtkit-daemon09:38:260
125899430,3rtkit-daemon0-21swapper/111:01:520
125899430,3rtkit-daemon0-21swapper/012:30:260
125899430,3rtkit-daemon0-21swapper/007:54:310
125899430,1rtkit-daemon1257-21rtkit-daemon12:36:071
125899430,1rtkit-daemon1257-21rtkit-daemon08:00:381
125899430,1rtkit-daemon1257-21rtkit-daemon07:57:261
342573399424,28cyclictest3617272-21apt-get12:25:121
125899420,4rtkit-daemon1257-21rtkit-daemon09:20:370
125899420,4rtkit-daemon1257-21rtkit-daemon08:10:360
125899420,2rtkit-daemon1257-21rtkit-daemon09:47:040
125899410,5rtkit-daemon3474513-21diskmemload09:26:041
125899410,3rtkit-daemon0-21swapper/108:38:120
125899410,1rtkit-daemon1257-21rtkit-daemon07:17:261
125899400,4rtkit-daemon1257-21rtkit-daemon07:18:030
125899400,3rtkit-daemon1257-21rtkit-daemon08:58:100
125899390,3rtkit-daemon0-21swapper/108:22:280
125899380,1rtkit-daemon1257-21rtkit-daemon11:45:011
125899380,11rtkit-daemon0-21swapper/010:14:461
125899370,3rtkit-daemon0-21swapper/108:18:440
125899370,11rtkit-daemon0-21swapper/010:15:081
3425733993618,4cyclictest26-21ksoftirqd/110:50:011
125899360,11rtkit-daemon0-21swapper/010:45:451
3425726993524,3cyclictest13-21ksoftirqd/007:35:000
3425726993514,7cyclictest13-21ksoftirqd/011:35:000
3425733993417,4cyclictest26-21ksoftirqd/108:55:011
342572699349,10cyclictest13-21ksoftirqd/011:55:150
125899340,3rtkit-daemon0-21swapper/108:35:321
125899340,11rtkit-daemon0-21swapper/008:41:531
342573399337,14cyclictest26-21ksoftirqd/109:58:561
3425733993315,4cyclictest26-21ksoftirqd/109:24:551
342572699332,8cyclictest3566665-21apt-get11:15:150
3425726993314,6cyclictest13-21ksoftirqd/009:30:150
3425726993312,7cyclictest13-21ksoftirqd/011:50:010
342572699329,7cyclictest13-21ksoftirqd/010:45:010
342572699320,7cyclictest3509477-1kworker/u9:110:00:120
125899320,3rtkit-daemon1257-21rtkit-daemon11:03:381
342573399311,3cyclictest141rcu_preempt07:34:591
342572699317,5cyclictest13-21ksoftirqd/010:20:140
342572699310,20cyclictest3540575-21perf10:40:000
342573399306,2cyclictest141rcu_preempt10:20:131
342573399302,2cyclictest141rcu_preempt12:35:011
3425726993013,6cyclictest13-21ksoftirqd/011:20:130
3425726993012,7cyclictest13-21ksoftirqd/011:30:000
3425726993012,4cyclictest13-21ksoftirqd/012:20:000
3425726993011,5cyclictest13-21ksoftirqd/010:50:010
125899300,4rtkit-daemon1257-21rtkit-daemon11:42:251
3425733992910,2cyclictest141rcu_preempt09:33:291
342572699299,6cyclictest13-21ksoftirqd/010:00:010
342572699297,2cyclictest141rcu_preempt12:10:010
342572699297,11cyclictest0-21swapper/008:25:240
342572699296,13cyclictest13-21ksoftirqd/012:04:310
342572699293,5cyclictest13-21ksoftirqd/011:55:000
3425726992915,4cyclictest13-21ksoftirqd/010:20:000
3425726992914,5cyclictest13-21ksoftirqd/008:45:010
3425726992914,4cyclictest13-21ksoftirqd/010:54:590
3425726992913,8cyclictest13-21ksoftirqd/010:09:160
3425726992913,6cyclictest13-21ksoftirqd/009:55:000
3425726992913,6cyclictest13-21ksoftirqd/008:00:010
3425726992911,5cyclictest13-21ksoftirqd/012:12:500
3425726992910,5cyclictest3550369-21rm10:51:440
3425733992811,2cyclictest141rcu_preempt11:58:311
3425733992811,2cyclictest141rcu_preempt11:24:381
342572699288,2cyclictest141rcu_preempt07:45:010
342572699286,7cyclictest13-21ksoftirqd/008:35:010
342572699286,2cyclictest141rcu_preempt09:20:000
3425726992810,5cyclictest13-21ksoftirqd/010:33:030
125899280,23rtkit-daemon3425716-21cyclictest09:38:201
342573399274,5cyclictest251rcuc/111:19:131
342573399270,8cyclictest3426283-21apt-get07:10:201
342573399270,6cyclictest0-21swapper/108:09:281
342572699271,14cyclictest13-21ksoftirqd/007:25:130
3425733992612,2cyclictest141rcu_preempt08:18:421
3425733992612,2cyclictest141rcu_preempt07:20:081
3425733992610,4cyclictest26-21ksoftirqd/112:04:201
342572699265,6cyclictest13-21ksoftirqd/009:30:000
3425726992612,9cyclictest3440634-21apt-get07:45:160
342573399259,2cyclictest141rcu_preempt10:05:531
342573399259,2cyclictest141rcu_preempt08:45:191
3425733992511,2cyclictest141rcu_preempt12:06:211
3425733992511,2cyclictest141rcu_preempt11:25:091
342573399250,8cyclictest3456478-21cron08:25:011
342573399250,7cyclictest3565764-21kworker/dying11:30:171
342572699252,16cyclictest3448860-21apt-get08:05:140
342573399249,2cyclictest141rcu_preempt08:12:241
342573399249,2cyclictest141rcu_preempt07:38:031
3425733992411,4cyclictest26-21ksoftirqd/107:25:231
342573399240,6cyclictest0-21swapper/108:30:151
342573399240,5cyclictest0-21swapper/108:56:411
342572699242,15cyclictest3464521-21apt-get08:45:130
3425726992313,3cyclictest13-21ksoftirqd/008:50:160
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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