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2026-05-08 - 15:54
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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 rackdslot3.osadl.org (updated Fri May 08, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
912722930,7sleep30-21swapper/307:05:113
109362205172,22sleep00-21swapper/007:06:080
109122205172,22sleep10-21swapper/107:05:501
111822201168,22sleep20-21swapper/207:09:202
835721480,3sleep21153599cyclictest08:10:142
469121200,6sleep21153599cyclictest09:10:142
323312570,2sleep00-21swapper/009:00:140
216042550,3sleep20-21swapper/209:45:162
178862530,2sleep20-21swapper/207:20:232
139391530,1ptp4l401ktimersoftd/309:11:423
139391530,1ptp4l401ktimersoftd/307:25:433
129472530,2sleep00-21swapper/009:25:250
26972520,2sleep32696-21head07:55:263
139391420,0ptp4l401ktimersoftd/310:50:183
139391410,0ptp4l401ktimersoftd/310:10:023
139391410,0ptp4l401ktimersoftd/308:36:453
11536994135,3cyclictest19801-21dump-pmu-power08:35:013
139391400,0ptp4l401ktimersoftd/310:49:523
11535993833,3cyclictest207-21systemd-journal10:35:312
11534993830,5cyclictest25-21ksoftirqd/110:45:111
11536993732,3cyclictest23091-21cron09:50:003
11533993729,5cyclictest9-21ksoftirqd/008:40:110
11536993631,3cyclictest41-21ksoftirqd/308:50:093
11536993630,4cyclictest41-21ksoftirqd/311:15:103
11534993630,4cyclictest25-21ksoftirqd/111:42:051
11534993629,4cyclictest25-21ksoftirqd/112:01:141
139391350,13ptp4l401ktimersoftd/307:45:263
11536993529,4cyclictest41-21ksoftirqd/312:10:403
11536993529,4cyclictest41-21ksoftirqd/311:28:473
11536993529,4cyclictest41-21ksoftirqd/307:30:583
11536993528,4cyclictest41-21ksoftirqd/309:23:553
11535993528,5cyclictest33-21ksoftirqd/210:28:172
11534993530,3cyclictest25-21ksoftirqd/110:31:081
11534993530,3cyclictest25-21ksoftirqd/107:56:131
11534993529,4cyclictest25-21ksoftirqd/109:32:251
11534993529,4cyclictest25-21ksoftirqd/108:37:011
11534993529,4cyclictest25-21ksoftirqd/108:22:511
11533993530,3cyclictest9-21ksoftirqd/011:45:470
11533993530,3cyclictest9-21ksoftirqd/010:50:140
11533993529,4cyclictest9-21ksoftirqd/010:14:070
11533993528,5cyclictest9-21ksoftirqd/007:26:550
11536993429,3cyclictest41-21ksoftirqd/310:35:003
11536993429,3cyclictest41-21ksoftirqd/308:00:113
11536993428,4cyclictest41-21ksoftirqd/309:01:293
11536993428,4cyclictest41-21ksoftirqd/308:49:093
11536993428,4cyclictest41-21ksoftirqd/307:50:093
11535993428,4cyclictest33-21ksoftirqd/212:34:292
11535993428,4cyclictest33-21ksoftirqd/211:03:192
11535993428,4cyclictest33-21ksoftirqd/209:21:092
11535993428,4cyclictest33-21ksoftirqd/209:03:292
11535993428,4cyclictest33-21ksoftirqd/208:02:432
11535993428,4cyclictest33-21ksoftirqd/207:42:292
11534993429,3cyclictest25-21ksoftirqd/110:59:551
11534993429,3cyclictest25-21ksoftirqd/107:14:481
11534993428,4cyclictest25-21ksoftirqd/112:38:181
11534993428,4cyclictest25-21ksoftirqd/112:16:271
11534993428,4cyclictest25-21ksoftirqd/110:40:311
11534993428,4cyclictest25-21ksoftirqd/110:01:561
11534993428,4cyclictest25-21ksoftirqd/109:39:151
11534993428,4cyclictest25-21ksoftirqd/108:54:041
11534993428,4cyclictest25-21ksoftirqd/108:27:461
11534993428,4cyclictest25-21ksoftirqd/108:27:451
11534993428,4cyclictest25-21ksoftirqd/108:12:321
11533993428,4cyclictest9-21ksoftirqd/011:32:500
11533993428,4cyclictest9-21ksoftirqd/010:33:200
11533993428,4cyclictest9-21ksoftirqd/007:41:500
11536993328,3cyclictest41-21ksoftirqd/312:01:333
11536993328,3cyclictest41-21ksoftirqd/308:14:583
11536993327,4cyclictest41-21ksoftirqd/310:41:263
11536993327,4cyclictest41-21ksoftirqd/310:38:053
11536993327,4cyclictest41-21ksoftirqd/310:20:043
11536993327,4cyclictest41-21ksoftirqd/309:34:513
11536993327,4cyclictest41-21ksoftirqd/309:28:363
11536993327,4cyclictest41-21ksoftirqd/308:42:193
11536993327,4cyclictest41-21ksoftirqd/308:29:523
11536993327,4cyclictest41-21ksoftirqd/308:29:523
11535993327,4cyclictest33-21ksoftirqd/212:22:212
11535993327,4cyclictest33-21ksoftirqd/212:19:252
11535993327,4cyclictest33-21ksoftirqd/212:04:252
11535993327,4cyclictest33-21ksoftirqd/211:07:562
11535993327,4cyclictest33-21ksoftirqd/210:19:182
11535993327,4cyclictest33-21ksoftirqd/209:57:482
11535993327,4cyclictest33-21ksoftirqd/209:38:142
11535993327,4cyclictest33-21ksoftirqd/208:05:522
11534993328,3cyclictest25-21ksoftirqd/111:16:061
11534993328,3cyclictest25-21ksoftirqd/110:29:161
11534993328,3cyclictest25-21ksoftirqd/108:01:251
11534993327,4cyclictest25-21ksoftirqd/110:14:321
11534993327,4cyclictest25-21ksoftirqd/109:29:351
11534993327,4cyclictest25-21ksoftirqd/107:44:081
11534993327,4cyclictest25-21ksoftirqd/107:35:461
11534993327,4cyclictest25-21ksoftirqd/107:18:091
11534993321,10cyclictest25-21ksoftirqd/111:24:461
11533993327,4cyclictest9-21ksoftirqd/012:20:030
11533993327,4cyclictest9-21ksoftirqd/011:03:010
11533993327,4cyclictest9-21ksoftirqd/010:47:000
11533993327,4cyclictest9-21ksoftirqd/010:44:400
11533993327,4cyclictest9-21ksoftirqd/010:08:420
11533993327,4cyclictest9-21ksoftirqd/007:45:280
11533993327,3cyclictest9-21ksoftirqd/008:25:120
11533993327,3cyclictest9-21ksoftirqd/008:25:120
11536993227,3cyclictest41-21ksoftirqd/309:17:173
11536993226,4cyclictest41-21ksoftirqd/311:48:333
11536993226,4cyclictest41-21ksoftirqd/307:44:473
11535993226,4cyclictest33-21ksoftirqd/212:26:152
11535993226,4cyclictest33-21ksoftirqd/211:19:482
11535993226,4cyclictest33-21ksoftirqd/210:46:182
11535993226,4cyclictest33-21ksoftirqd/210:34:392
11535993226,4cyclictest33-21ksoftirqd/210:04:592
11535993226,4cyclictest33-21ksoftirqd/208:55:472
11535993226,4cyclictest33-21ksoftirqd/208:15:592
11535993226,4cyclictest33-21ksoftirqd/207:28:542
11534993226,4cyclictest25-21ksoftirqd/111:09:561
11534993226,4cyclictest25-21ksoftirqd/110:51:391
11534993226,4cyclictest25-21ksoftirqd/110:24:231
11534993226,4cyclictest25-21ksoftirqd/109:11:331
11534993226,4cyclictest25-21ksoftirqd/107:48:261
11534993222,4cyclictest25-21ksoftirqd/108:48:151
11533993228,3cyclictest9-21ksoftirqd/007:19:490
11533993227,3cyclictest5185-21cron10:20:000
11533993226,4cyclictest9-21ksoftirqd/012:11:570
11533993226,4cyclictest9-21ksoftirqd/012:06:510
11533993226,4cyclictest9-21ksoftirqd/011:52:430
11533993226,4cyclictest9-21ksoftirqd/011:17:210
11533993226,4cyclictest9-21ksoftirqd/009:09:530
11533993226,4cyclictest9-21ksoftirqd/008:01:000
11533993226,4cyclictest9-21ksoftirqd/007:21:590
139391310,0ptp4l401ktimersoftd/309:36:153
11536993126,3cyclictest41-21ksoftirqd/310:06:033
11536993126,3cyclictest41-21ksoftirqd/309:55:053
11536993125,4cyclictest41-21ksoftirqd/311:58:203
11536993125,4cyclictest41-21ksoftirqd/308:56:433
11536993125,4cyclictest41-21ksoftirqd/308:22:013
11536993125,4cyclictest41-21ksoftirqd/308:18:033
11536993125,4cyclictest41-21ksoftirqd/307:21:163
11536993125,4cyclictest41-21ksoftirqd/307:17:383
11536993125,4cyclictest41-21ksoftirqd/307:11:053
11536993125,3cyclictest41-21ksoftirqd/309:55:003
11535993127,2cyclictest22397-21sshd08:40:042
11535993126,3cyclictest33-21ksoftirqd/210:10:002
11535993126,3cyclictest33-21ksoftirqd/209:33:202
11535993126,3cyclictest33-21ksoftirqd/209:09:332
11535993126,3cyclictest33-21ksoftirqd/207:36:452
11535993125,4cyclictest33-21ksoftirqd/212:35:342
11535993125,4cyclictest33-21ksoftirqd/211:49:402
11535993125,4cyclictest33-21ksoftirqd/211:31:392
11535993125,4cyclictest33-21ksoftirqd/209:43:122
11535993125,4cyclictest33-21ksoftirqd/207:54:482
11535993123,4cyclictest25473-21sh09:55:002
11534993126,3cyclictest25-21ksoftirqd/112:00:001
11534993126,3cyclictest25-21ksoftirqd/111:53:071
11534993126,3cyclictest25-21ksoftirqd/111:39:161
11534993126,3cyclictest25-21ksoftirqd/108:41:371
11534993126,3cyclictest25-21ksoftirqd/107:31:001
11534993125,4cyclictest25-21ksoftirqd/111:14:411
11534993125,4cyclictest25-21ksoftirqd/110:05:291
11534993125,4cyclictest25-21ksoftirqd/108:05:341
11533993126,3cyclictest9-21ksoftirqd/008:46:050
11533993125,4cyclictest9-21ksoftirqd/011:41:000
11533993125,4cyclictest9-21ksoftirqd/011:39:400
11533993125,4cyclictest9-21ksoftirqd/009:34:470
11533993125,4cyclictest9-21ksoftirqd/009:14:210
11533993125,4cyclictest9-21ksoftirqd/008:30:490
11533993125,4cyclictest9-21ksoftirqd/008:13:290
11533993125,4cyclictest9-21ksoftirqd/007:12:100
11533993124,4cyclictest9-21ksoftirqd/009:15:140
139391300,23ptp4l35892irq/126-enp1s0-11:50:243
139391300,0ptp4l401ktimersoftd/312:20:173
139391300,0ptp4l401ktimersoftd/311:00:353
139391300,0ptp4l401ktimersoftd/308:09:453
139391300,0ptp4l401ktimersoftd/307:37:003
11536993025,3cyclictest22984-21sed10:55:193
11536993024,4cyclictest41-21ksoftirqd/311:08:423
11536993024,4cyclictest41-21ksoftirqd/310:19:193
11535993025,3cyclictest33-21ksoftirqd/211:55:102
11535993025,3cyclictest33-21ksoftirqd/208:52:142
11535993024,4cyclictest33-21ksoftirqd/211:38:452
11535993024,4cyclictest33-21ksoftirqd/210:23:432
11535993024,4cyclictest33-21ksoftirqd/207:16:302
11534993025,3cyclictest25-21ksoftirqd/110:16:061
11534993024,4cyclictest25-21ksoftirqd/112:10:051
11534993024,4cyclictest25-21ksoftirqd/109:58:591
11534993024,4cyclictest25-21ksoftirqd/109:16:311
11534993024,4cyclictest25-21ksoftirqd/107:26:471
1153499301,27cyclictest0-21swapper/109:20:341
11533993025,3cyclictest9-21ksoftirqd/012:15:550
11533993025,3cyclictest9-21ksoftirqd/011:27:440
11533993025,3cyclictest9-21ksoftirqd/010:59:580
11533993025,3cyclictest9-21ksoftirqd/010:25:110
11533993025,3cyclictest9-21ksoftirqd/009:40:570
11533993025,3cyclictest9-21ksoftirqd/008:21:250
11533993024,4cyclictest9-21ksoftirqd/011:24:590
11533993024,4cyclictest9-21ksoftirqd/009:21:070
11533993024,4cyclictest9-21ksoftirqd/008:54:440
1153699290,28cyclictest0-21swapper/312:25:543
11535992924,3cyclictest33-21ksoftirqd/211:20:112
11535992924,3cyclictest33-21ksoftirqd/209:19:542
11535992924,3cyclictest33-21ksoftirqd/208:47:262
11535992924,3cyclictest33-21ksoftirqd/208:39:572
11535992924,3cyclictest33-21ksoftirqd/208:25:372
11535992924,3cyclictest33-21ksoftirqd/208:25:372
11535992924,3cyclictest33-21ksoftirqd/207:11:162
11535992923,4cyclictest33-21ksoftirqd/211:52:052
11535992923,4cyclictest33-21ksoftirqd/210:44:462
11535992923,4cyclictest33-21ksoftirqd/208:23:122
11535992922,5cyclictest33-21ksoftirqd/211:26:382
11534992926,2cyclictest25-21ksoftirqd/107:55:011
11534992924,3cyclictest25-21ksoftirqd/109:45:271
11534992923,4cyclictest25-21ksoftirqd/108:55:011
11534992923,3cyclictest25-21ksoftirqd/108:17:211
11533992924,3cyclictest9-21ksoftirqd/011:56:360
11533992924,3cyclictest9-21ksoftirqd/008:19:140
11533992923,4cyclictest9-21ksoftirqd/010:39:460
11533992923,4cyclictest9-21ksoftirqd/007:37:340
11536992823,3cyclictest41-21ksoftirqd/312:05:353
11535992823,3cyclictest33-21ksoftirqd/208:35:002
11534992823,3cyclictest25-21ksoftirqd/112:25:001
11534992823,3cyclictest25-21ksoftirqd/111:26:501
11534992823,3cyclictest25-21ksoftirqd/109:54:431
11533992823,3cyclictest9-21ksoftirqd/012:26:060
11533992823,3cyclictest9-21ksoftirqd/012:00:110
11533992823,3cyclictest9-21ksoftirqd/011:09:020
11533992823,3cyclictest9-21ksoftirqd/009:39:060
11533992823,3cyclictest9-21ksoftirqd/008:10:000
11533992822,4cyclictest9-21ksoftirqd/009:57:220
11533992822,4cyclictest9-21ksoftirqd/009:54:090
139391270,0ptp4l401ktimersoftd/311:39:523
11536992722,3cyclictest41-21ksoftirqd/311:40:523
11536992722,3cyclictest41-21ksoftirqd/311:24:273
11536992721,4cyclictest41-21ksoftirqd/311:32:043
11536992721,4cyclictest41-21ksoftirqd/310:04:193
11535992721,4cyclictest33-21ksoftirqd/207:59:382
11535992721,3cyclictest33-21ksoftirqd/212:05:112
11534992722,3cyclictest25-21ksoftirqd/111:33:151
11534992722,3cyclictest25-21ksoftirqd/111:03:151
11534992722,3cyclictest25-21ksoftirqd/110:37:171
11534992722,3cyclictest25-21ksoftirqd/107:21:101
11534992721,4cyclictest25-21ksoftirqd/111:46:271
11533992722,3cyclictest9-21ksoftirqd/012:37:320
11533992722,3cyclictest9-21ksoftirqd/008:59:500
11533992722,3cyclictest9-21ksoftirqd/007:32:090
11533992721,4cyclictest9-21ksoftirqd/008:38:590
11536992621,3cyclictest41-21ksoftirqd/312:34:313
11536992620,4cyclictest41-21ksoftirqd/311:11:503
11536992620,4cyclictest41-21ksoftirqd/310:26:453
11535992620,4cyclictest33-21ksoftirqd/211:12:542
11535992620,4cyclictest33-21ksoftirqd/210:59:462
11534992621,3cyclictest25-21ksoftirqd/109:02:111
11534992619,4cyclictest25-21ksoftirqd/108:30:191
1153499261,3cyclictest121rcu_preempt09:43:151
11533992621,3cyclictest9-21ksoftirqd/011:14:570
11533992621,3cyclictest9-21ksoftirqd/010:22:490
11533992621,3cyclictest9-21ksoftirqd/010:02:270
139391250,0ptp4l401ktimersoftd/312:15:123
139391250,0ptp4l401ktimersoftd/309:05:253
11535992520,3cyclictest33-21ksoftirqd/212:12:392
11535992520,3cyclictest33-21ksoftirqd/207:49:592
11535992519,4cyclictest33-21ksoftirqd/209:27:272
11535992519,4cyclictest33-21ksoftirqd/207:32:392
11534992519,4cyclictest25-21ksoftirqd/112:09:571
11534992519,4cyclictest25-21ksoftirqd/109:06:281
139391240,0ptp4l401ktimersoftd/312:35:113
11535992418,4cyclictest33-21ksoftirqd/210:12:402
11533992419,3cyclictest9-21ksoftirqd/009:46:190
11533992419,3cyclictest9-21ksoftirqd/007:50:090
139391230,0ptp4l401ktimersoftd/309:40:033
1153599233,17cyclictest22255-21cat10:55:012
11535992317,4cyclictest33-21ksoftirqd/211:42:372
11534992317,3cyclictest25-21ksoftirqd/112:25:261
11534992217,3cyclictest25-21ksoftirqd/112:31:151
11533992216,4cyclictest9-21ksoftirqd/012:30:420
11533991712,3cyclictest2441-21threads07:55:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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