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2026-03-30 - 00:04
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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 Sun Mar 29, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
121042222159,51sleep20-21swapper/207:09:552
139491210176,22phc2sys0-21swapper/307:08:063
119752204171,22sleep00-21swapper/007:08:200
119302201168,22sleep10-21swapper/107:07:441
12408996332,4cyclictest41-21ksoftirqd/312:00:173
12408996331,7cyclictest41-21ksoftirqd/311:50:163
12408996230,7cyclictest41-21ksoftirqd/308:45:003
12408996230,4cyclictest41-21ksoftirqd/312:05:273
12408996230,4cyclictest41-21ksoftirqd/310:05:003
12408996229,7cyclictest41-21ksoftirqd/308:00:233
12408996228,4cyclictest41-21ksoftirqd/310:35:233
106662620,2sleep20-21swapper/209:20:192
12408996131,8cyclictest41-21ksoftirqd/311:30:003
12408996131,4cyclictest41-21ksoftirqd/310:45:143
12408996131,4cyclictest41-21ksoftirqd/309:25:183
12408996131,4cyclictest41-21ksoftirqd/307:35:243
12408996130,4cyclictest41-21ksoftirqd/308:45:223
12408996128,4cyclictest41-21ksoftirqd/311:15:013
12408996128,4cyclictest41-21ksoftirqd/308:55:123
12408996128,4cyclictest41-21ksoftirqd/307:20:263
12408996124,7cyclictest41-21ksoftirqd/312:25:143
12408996122,8cyclictest41-21ksoftirqd/307:15:243
12408996031,3cyclictest41-21ksoftirqd/311:35:273
12408996029,4cyclictest41-21ksoftirqd/309:45:003
12408996028,3cyclictest41-21ksoftirqd/310:15:133
12408996027,4cyclictest41-21ksoftirqd/310:50:243
1394915942,10phc2sys0-21swapper/307:10:003
12408995931,3cyclictest41-21ksoftirqd/311:15:133
12408995928,4cyclictest41-21ksoftirqd/307:35:003
12408995926,4cyclictest41-21ksoftirqd/311:45:263
12408995829,8cyclictest41-21ksoftirqd/311:05:153
12408995829,4cyclictest41-21ksoftirqd/311:20:143
12408995827,4cyclictest41-21ksoftirqd/309:15:143
12408995729,8cyclictest41-21ksoftirqd/309:30:223
12408995728,3cyclictest41-21ksoftirqd/311:30:263
12408995727,7cyclictest41-21ksoftirqd/308:35:003
12408995725,5cyclictest41-21ksoftirqd/312:15:143
12408995725,4cyclictest41-21ksoftirqd/310:10:013
12408995725,4cyclictest41-21ksoftirqd/308:20:183
12408995724,3cyclictest41-21ksoftirqd/311:00:263
71582560,1sleep10-21swapper/112:35:131
7122560,2sleep00-21swapper/012:20:200
12408995629,7cyclictest41-21ksoftirqd/308:05:243
12408995627,8cyclictest41-21ksoftirqd/309:05:193
12408995623,4cyclictest41-21ksoftirqd/310:25:263
12408995611,11cyclictest41-21ksoftirqd/309:05:003
12408995528,3cyclictest41-21ksoftirqd/307:55:013
12408995527,3cyclictest41-21ksoftirqd/308:20:013
12408995525,4cyclictest41-21ksoftirqd/307:40:173
12408995524,4cyclictest41-21ksoftirqd/310:10:233
12408995523,4cyclictest41-21ksoftirqd/309:20:193
12408995521,4cyclictest41-21ksoftirqd/310:30:253
12408995521,4cyclictest41-21ksoftirqd/308:00:013
12408995520,4cyclictest41-21ksoftirqd/312:35:133
12408995520,4cyclictest41-21ksoftirqd/308:55:013
203162540,1sleep10-21swapper/107:25:161
12408995427,3cyclictest41-21ksoftirqd/307:25:123
12408995424,4cyclictest41-21ksoftirqd/310:20:233
12408995424,4cyclictest41-21ksoftirqd/309:55:153
12408995423,4cyclictest41-21ksoftirqd/310:55:243
12408995423,4cyclictest41-21ksoftirqd/308:35:233
12408995421,4cyclictest41-21ksoftirqd/312:30:263
12408995420,4cyclictest41-21ksoftirqd/309:45:273
12408995323,4cyclictest41-21ksoftirqd/309:40:003
12408995322,4cyclictest41-21ksoftirqd/308:10:133
154192510,2sleep00-21swapper/010:35:260
12408995124,9cyclictest41-21ksoftirqd/312:00:013
12408995118,4cyclictest41-21ksoftirqd/310:40:173
12408995114,6cyclictest41-21ksoftirqd/312:10:243
1240699515,44cyclictest0-21swapper/110:15:531
1240699510,49cyclictest0-21swapper/108:22:531
12408995021,4cyclictest41-21ksoftirqd/312:25:013
12408994919,3cyclictest41-21ksoftirqd/307:45:173
12405994943,3cyclictest8927-21dump-pmu-power12:40:010
1240899473,6cyclictest41-21ksoftirqd/309:10:143
1240899463,7cyclictest41-21ksoftirqd/311:45:013
12407994627,16cyclictest6550-21cron12:34:592
1240899454,3cyclictest41-21ksoftirqd/308:25:193
1240899442,3cyclictest41-21ksoftirqd/309:50:153
1240899442,3cyclictest41-21ksoftirqd/309:50:153
12405994338,3cyclictest25221-21cron08:45:000
57898410,1rtkit-daemon0-21swapper/109:42:311
12407994034,3cyclictest5415-21cron11:24:592
12407993730,4cyclictest33-21ksoftirqd/210:53:142
12407993730,4cyclictest33-21ksoftirqd/209:28:162
12405993732,3cyclictest9-21ksoftirqd/010:55:000
12407993630,4cyclictest33-21ksoftirqd/211:08:182
12406993630,4cyclictest25-21ksoftirqd/109:14:031
12406993630,4cyclictest25-21ksoftirqd/107:20:321
12407993530,3cyclictest33-21ksoftirqd/208:59:262
12407993529,4cyclictest33-21ksoftirqd/211:38:502
12407993529,4cyclictest33-21ksoftirqd/208:41:362
12407993529,4cyclictest33-21ksoftirqd/208:01:082
12407993528,4cyclictest33-21ksoftirqd/207:15:582
1240699358,26cyclictest0-21swapper/109:45:231
12406993530,3cyclictest25-21ksoftirqd/112:15:101
12406993530,3cyclictest25-21ksoftirqd/108:37:051
12406993529,4cyclictest25-21ksoftirqd/110:03:131
12406993529,4cyclictest25-21ksoftirqd/109:05:541
12406993529,4cyclictest25-21ksoftirqd/108:28:471
12406993529,4cyclictest25-21ksoftirqd/107:57:461
12406993529,4cyclictest25-21ksoftirqd/107:52:481
12406993529,3cyclictest25-21ksoftirqd/108:15:111
12405993531,2cyclictest9-21ksoftirqd/008:40:000
12405993530,3cyclictest9-21ksoftirqd/009:20:130
12405993530,3cyclictest9-21ksoftirqd/007:35:140
57898340,1rtkit-daemon0-21swapper/009:51:500
57898340,1rtkit-daemon0-21swapper/009:51:490
12407993429,3cyclictest33-21ksoftirqd/210:20:122
12407993429,3cyclictest33-21ksoftirqd/207:47:402
12407993428,4cyclictest33-21ksoftirqd/212:00:052
12407993428,4cyclictest33-21ksoftirqd/211:44:532
12407993428,4cyclictest33-21ksoftirqd/211:28:552
12407993428,4cyclictest33-21ksoftirqd/211:13:592
12407993428,4cyclictest33-21ksoftirqd/209:08:272
12406993430,3cyclictest25-21ksoftirqd/111:49:561
12406993429,3cyclictest25-21ksoftirqd/112:30:121
12406993429,3cyclictest25-21ksoftirqd/108:51:541
12406993429,3cyclictest25-21ksoftirqd/108:04:561
12406993428,4cyclictest25-21ksoftirqd/112:02:131
12406993428,4cyclictest25-21ksoftirqd/109:58:451
12406993428,4cyclictest25-21ksoftirqd/109:17:091
12406993428,4cyclictest25-21ksoftirqd/108:11:301
12405993428,4cyclictest9-21ksoftirqd/012:02:270
12405993426,5cyclictest9-21ksoftirqd/007:15:120
12407993329,3cyclictest33-21ksoftirqd/209:18:352
12407993328,3cyclictest33-21ksoftirqd/211:48:422
12407993328,3cyclictest33-21ksoftirqd/209:32:442
12407993327,4cyclictest33-21ksoftirqd/209:44:182
12407993327,4cyclictest33-21ksoftirqd/208:52:232
12407993327,4cyclictest33-21ksoftirqd/207:52:532
12406993328,3cyclictest25-21ksoftirqd/111:04:321
12406993327,4cyclictest25-21ksoftirqd/111:59:591
12406993327,4cyclictest25-21ksoftirqd/111:32:161
12406993327,4cyclictest25-21ksoftirqd/110:51:041
12406993327,4cyclictest25-21ksoftirqd/110:05:311
12406993327,4cyclictest25-21ksoftirqd/107:48:031
12406993327,4cyclictest25-21ksoftirqd/107:11:161
12405993328,3cyclictest9-21ksoftirqd/007:45:200
12405993327,4cyclictest9-21ksoftirqd/010:19:490
12405993327,4cyclictest9-21ksoftirqd/008:02:300
12405993327,4cyclictest9-21ksoftirqd/007:14:480
12407993227,3cyclictest33-21ksoftirqd/210:25:382
12407993227,3cyclictest33-21ksoftirqd/208:34:352
12407993226,4cyclictest33-21ksoftirqd/212:27:402
12407993226,4cyclictest33-21ksoftirqd/210:45:352
12407993226,4cyclictest33-21ksoftirqd/210:03:512
12407993226,4cyclictest33-21ksoftirqd/208:49:502
12407993226,4cyclictest33-21ksoftirqd/208:28:282
12407993226,4cyclictest33-21ksoftirqd/207:58:072
12407993225,5cyclictest33-21ksoftirqd/211:59:482
1240699324,26cyclictest0-21swapper/108:06:231
12406993227,3cyclictest25-21ksoftirqd/107:17:141
12406993226,4cyclictest25-21ksoftirqd/112:21:461
12406993226,4cyclictest25-21ksoftirqd/112:09:301
12406993226,4cyclictest25-21ksoftirqd/111:24:101
12406993226,4cyclictest25-21ksoftirqd/110:10:041
12406993226,4cyclictest25-21ksoftirqd/108:58:031
12406993226,4cyclictest25-21ksoftirqd/107:44:381
12405993226,4cyclictest9-21ksoftirqd/012:06:330
12405993226,4cyclictest9-21ksoftirqd/010:42:200
12405993226,4cyclictest9-21ksoftirqd/010:32:300
12405993226,4cyclictest9-21ksoftirqd/009:16:320
12405993226,4cyclictest9-21ksoftirqd/008:22:480
12405993226,4cyclictest9-21ksoftirqd/008:11:090
12405993226,3cyclictest9-21ksoftirqd/009:42:070
12407993126,3cyclictest33-21ksoftirqd/210:15:522
12407993126,3cyclictest33-21ksoftirqd/209:59:542
12407993126,3cyclictest33-21ksoftirqd/209:48:132
12407993126,3cyclictest33-21ksoftirqd/207:20:122
12407993126,3cyclictest33-21ksoftirqd/207:13:492
12407993125,4cyclictest33-21ksoftirqd/212:20:062
12407993125,4cyclictest33-21ksoftirqd/211:30:522
12407993125,4cyclictest33-21ksoftirqd/210:43:382
12407993125,4cyclictest33-21ksoftirqd/208:19:132
12407993125,4cyclictest33-21ksoftirqd/208:11:152
12406993126,3cyclictest25-21ksoftirqd/112:10:141
12406993126,3cyclictest25-21ksoftirqd/111:39:381
12406993126,3cyclictest25-21ksoftirqd/110:40:011
12406993125,4cyclictest25-21ksoftirqd/111:42:151
12406993125,4cyclictest25-21ksoftirqd/108:47:271
12405993126,3cyclictest9-21ksoftirqd/007:54:120
12405993125,4cyclictest9-21ksoftirqd/012:34:240
12405993125,4cyclictest9-21ksoftirqd/011:55:370
12405993125,4cyclictest9-21ksoftirqd/011:09:240
12405993125,4cyclictest9-21ksoftirqd/010:10:550
12405993125,4cyclictest9-21ksoftirqd/008:53:210
12405993125,4cyclictest9-21ksoftirqd/008:49:040
12405993125,4cyclictest9-21ksoftirqd/008:15:260
12405993125,3cyclictest9-21ksoftirqd/011:23:530
12407993025,3cyclictest33-21ksoftirqd/211:54:302
12407993025,3cyclictest33-21ksoftirqd/210:37:512
12407993025,3cyclictest33-21ksoftirqd/210:30:142
12407993025,3cyclictest33-21ksoftirqd/209:38:382
12407993025,3cyclictest33-21ksoftirqd/209:01:102
12407993025,3cyclictest33-21ksoftirqd/208:05:202
12407993024,4cyclictest33-21ksoftirqd/210:09:452
12407993024,4cyclictest33-21ksoftirqd/209:13:492
12407993024,4cyclictest33-21ksoftirqd/208:22:582
12406993025,3cyclictest25-21ksoftirqd/111:16:591
12406993025,3cyclictest25-21ksoftirqd/109:35:571
12406993025,3cyclictest25-21ksoftirqd/109:02:481
12406993024,4cyclictest25-21ksoftirqd/109:33:171
12405993026,2cyclictest9-21ksoftirqd/009:10:190
12405993025,3cyclictest9-21ksoftirqd/012:17:560
12405993025,3cyclictest9-21ksoftirqd/010:20:170
12405993025,3cyclictest9-21ksoftirqd/008:25:190
12405993024,4cyclictest9-21ksoftirqd/011:13:120
12405993024,4cyclictest9-21ksoftirqd/010:02:090
12405993024,4cyclictest9-21ksoftirqd/009:39:220
12405993024,4cyclictest9-21ksoftirqd/009:00:590
12405993024,4cyclictest9-21ksoftirqd/008:58:510
12407992924,3cyclictest33-21ksoftirqd/210:55:122
12407992924,3cyclictest33-21ksoftirqd/209:50:012
12407992924,3cyclictest33-21ksoftirqd/209:50:002
12407992924,3cyclictest33-21ksoftirqd/207:41:482
12407992923,4cyclictest33-21ksoftirqd/212:10:082
12407992923,4cyclictest33-21ksoftirqd/207:28:582
12406992924,3cyclictest25-21ksoftirqd/111:10:511
12406992924,3cyclictest25-21ksoftirqd/110:40:561
12406992924,3cyclictest25-21ksoftirqd/110:30:101
12406992924,3cyclictest25-21ksoftirqd/107:32:131
12406992918,10cyclictest0-21swapper/110:26:131
12405992924,3cyclictest9-21ksoftirqd/009:08:410
12405992923,4cyclictest9-21ksoftirqd/010:05:580
12405992923,4cyclictest9-21ksoftirqd/007:24:350
12407992823,3cyclictest33-21ksoftirqd/207:35:302
12406992823,3cyclictest25-21ksoftirqd/112:28:561
12406992823,3cyclictest25-21ksoftirqd/111:50:401
12406992823,3cyclictest25-21ksoftirqd/108:42:021
12406992822,4cyclictest25-21ksoftirqd/110:58:491
12405992824,3cyclictest9-21ksoftirqd/010:50:000
12405992824,2cyclictest9-21ksoftirqd/008:00:010
12405992823,3cyclictest9-21ksoftirqd/011:35:160
12405992823,3cyclictest9-21ksoftirqd/011:32:020
12405992823,3cyclictest9-21ksoftirqd/008:33:290
12405992823,3cyclictest9-21ksoftirqd/008:09:080
12405992823,3cyclictest9-21ksoftirqd/007:30:050
12405992823,3cyclictest9-21ksoftirqd/007:29:150
12407992722,3cyclictest33-21ksoftirqd/212:16:172
12407992722,3cyclictest33-21ksoftirqd/208:40:002
12407992721,4cyclictest33-21ksoftirqd/212:35:432
12406992721,4cyclictest25-21ksoftirqd/107:35:111
12405992722,3cyclictest9-21ksoftirqd/011:49:410
12405992722,3cyclictest9-21ksoftirqd/010:28:490
12405992721,4cyclictest9-21ksoftirqd/011:42:420
12405992721,4cyclictest9-21ksoftirqd/011:15:370
12405992721,4cyclictest9-21ksoftirqd/010:57:290
12405992720,5cyclictest9-21ksoftirqd/011:03:430
12407992621,3cyclictest33-21ksoftirqd/211:15:412
12406992621,3cyclictest25-21ksoftirqd/109:28:151
12406992621,3cyclictest25-21ksoftirqd/108:32:001
12406992620,4cyclictest25-21ksoftirqd/109:20:181
12405992623,2cyclictest9-21ksoftirqd/011:25:210
12405992621,3cyclictest9-21ksoftirqd/012:29:590
12405992620,3cyclictest9-21ksoftirqd/011:50:240
12405992620,3cyclictest9-21ksoftirqd/009:55:040
12405992521,3cyclictest9-21ksoftirqd/009:30:190
12405992520,3cyclictest9-21ksoftirqd/007:40:170
12405992519,4cyclictest9-21ksoftirqd/009:48:490
12407992419,3cyclictest33-21ksoftirqd/212:05:122
12407992419,3cyclictest33-21ksoftirqd/211:04:232
12406992419,3cyclictest25-21ksoftirqd/110:49:351
12406992419,3cyclictest25-21ksoftirqd/109:50:491
12406992419,3cyclictest25-21ksoftirqd/109:50:491
12407992318,3cyclictest33-21ksoftirqd/207:34:252
1240699230,22cyclictest0-21swapper/110:21:251
12405992318,3cyclictest9-21ksoftirqd/012:10:130
12405992318,3cyclictest9-21ksoftirqd/009:25:290
12407992217,3cyclictest33-21ksoftirqd/210:14:512
12406992116,3cyclictest25-21ksoftirqd/111:10:011
12406991712,3cyclictest6588-21irqstats11:25:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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