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2026-04-11 - 10:03
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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 all highest latencies:
System rackdslot2.osadl.org (updated Sat Apr 11, 2026 00:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139591234167,22phc2sys0-21swapper/319:07:453
309552209177,22sleep20-21swapper/219:06:422
310012208174,23sleep00-21swapper/019:07:130
309022205172,22sleep10-21swapper/119:06:021
139291540,1ptp4l401ktimersoftd/321:33:413
139291540,0ptp4l401ktimersoftd/323:31:313
244842520,1sleep20-21swapper/222:15:252
229462520,2sleep20-21swapper/223:20:202
31509994539,4cyclictest14391-21sh20:50:003
139291430,0ptp4l401ktimersoftd/321:57:263
139291430,0ptp4l401ktimersoftd/320:41:043
31509994237,3cyclictest41-21ksoftirqd/320:19:593
31509994237,3cyclictest3580-21sh23:50:003
139291420,0ptp4l401ktimersoftd/322:48:133
139291420,0ptp4l401ktimersoftd/319:19:483
31508994135,3cyclictest33-21ksoftirqd/219:35:012
139291410,1ptp4l401ktimersoftd/321:11:323
139291410,0ptp4l401ktimersoftd/323:03:303
41298400,7rtkit-daemon0-21swapper/319:53:373
31509994035,2cyclictest41-21ksoftirqd/320:24:593
31509994034,3cyclictest41-21ksoftirqd/300:35:273
31508994035,3cyclictest33-21ksoftirqd/200:00:002
3150999395,3cyclictest41-21ksoftirqd/321:30:003
31509993933,4cyclictest41-21ksoftirqd/322:21:363
31509993933,4cyclictest41-21ksoftirqd/321:19:513
31509993933,4cyclictest41-21ksoftirqd/320:15:003
31509993928,9cyclictest41-21ksoftirqd/322:55:223
31509993928,2cyclictest41-21ksoftirqd/300:05:213
139291390,1ptp4l401ktimersoftd/323:05:573
3150999384,3cyclictest121rcu_preempt21:50:223
31509993834,3cyclictest41-21ksoftirqd/319:40:263
31509993833,3cyclictest41-21ksoftirqd/322:40:003
31509993833,3cyclictest41-21ksoftirqd/322:40:003
31509993832,4cyclictest41-21ksoftirqd/319:35:193
31509993832,3cyclictest41-21ksoftirqd/323:55:013
31508993832,4cyclictest33-21ksoftirqd/223:34:082
31508993832,4cyclictest33-21ksoftirqd/220:34:152
31508993831,4cyclictest33-21ksoftirqd/221:56:482
31507993832,4cyclictest25-21ksoftirqd/122:44:281
31509993733,2cyclictest41-21ksoftirqd/323:20:003
31509993733,2cyclictest41-21ksoftirqd/300:30:013
31509993731,4cyclictest41-21ksoftirqd/322:44:513
31509993731,4cyclictest41-21ksoftirqd/321:05:503
31509993730,4cyclictest41-21ksoftirqd/321:02:013
31509993725,10cyclictest41-21ksoftirqd/300:15:263
31508993731,4cyclictest33-21ksoftirqd/223:47:482
31508993731,4cyclictest33-21ksoftirqd/222:26:482
31508993731,4cyclictest33-21ksoftirqd/222:03:092
31508993730,4cyclictest33-21ksoftirqd/221:35:572
31508993730,4cyclictest33-21ksoftirqd/219:24:272
31508993730,4cyclictest33-21ksoftirqd/200:07:182
31507993731,4cyclictest25-21ksoftirqd/121:58:351
31507993731,4cyclictest25-21ksoftirqd/120:02:181
31507993731,4cyclictest25-21ksoftirqd/119:44:121
31507993730,4cyclictest25-21ksoftirqd/122:32:531
31507993730,4cyclictest25-21ksoftirqd/121:26:141
31506993731,4cyclictest9-21ksoftirqd/021:11:520
31506993731,4cyclictest9-21ksoftirqd/021:06:550
31506993731,4cyclictest9-21ksoftirqd/019:36:380
31506993730,4cyclictest9-21ksoftirqd/021:51:240
31509993632,3cyclictest41-21ksoftirqd/321:20:193
31509993632,3cyclictest41-21ksoftirqd/319:30:003
31509993631,3cyclictest41-21ksoftirqd/320:35:013
31509993631,3cyclictest41-21ksoftirqd/319:30:263
31509993630,4cyclictest41-21ksoftirqd/322:02:583
31509993630,4cyclictest41-21ksoftirqd/319:20:033
31509993630,2cyclictest41-21ksoftirqd/323:40:233
31509993629,4cyclictest41-21ksoftirqd/320:07:253
31508993631,3cyclictest33-21ksoftirqd/222:40:182
31508993631,3cyclictest33-21ksoftirqd/219:45:052
31508993630,4cyclictest33-21ksoftirqd/223:53:252
31508993630,4cyclictest33-21ksoftirqd/221:54:592
31508993630,4cyclictest33-21ksoftirqd/220:22:572
31508993630,4cyclictest33-21ksoftirqd/220:10:532
31508993630,4cyclictest33-21ksoftirqd/220:04:192
31508993630,4cyclictest33-21ksoftirqd/219:36:042
31507993631,3cyclictest312-21rs:main1
31507993631,3cyclictest25-21ksoftirqd/123:35:101
31507993630,4cyclictest25-21ksoftirqd/121:17:321
31507993630,4cyclictest25-21ksoftirqd/120:38:291
31507993630,4cyclictest25-21ksoftirqd/119:16:011
31507993630,4cyclictest25-21ksoftirqd/100:25:261
31507993630,3cyclictest25-21ksoftirqd/119:45:241
31506993631,3cyclictest9-21ksoftirqd/023:35:120
31506993630,4cyclictest9-21ksoftirqd/019:45:150
31506993629,5cyclictest9-21ksoftirqd/000:18:510
31506993629,4cyclictest9-21ksoftirqd/023:50:000
41298350,2rtkit-daemon0-21swapper/200:37:292
31509993532,2cyclictest41-21ksoftirqd/323:30:003
31509993531,3cyclictest41-21ksoftirqd/322:30:213
31509993531,3cyclictest41-21ksoftirqd/321:45:003
31509993530,3cyclictest41-21ksoftirqd/300:33:263
31509993529,4cyclictest41-21ksoftirqd/320:57:553
31509993529,4cyclictest41-21ksoftirqd/319:10:533
31509993525,9cyclictest41-21ksoftirqd/320:00:273
3150999351,2cyclictest121rcu_preempt19:45:233
31508993530,3cyclictest33-21ksoftirqd/222:23:512
31508993530,3cyclictest33-21ksoftirqd/219:17:002
31508993529,4cyclictest33-21ksoftirqd/223:09:292
31508993529,4cyclictest33-21ksoftirqd/200:03:042
31508993529,3cyclictest33-21ksoftirqd/221:49:532
31508993528,4cyclictest33-21ksoftirqd/219:12:582
31507993530,3cyclictest25-21ksoftirqd/121:39:421
31507993529,4cyclictest25-21ksoftirqd/123:51:081
31507993529,4cyclictest25-21ksoftirqd/123:01:251
31507993529,4cyclictest25-21ksoftirqd/122:54:471
31507993529,4cyclictest25-21ksoftirqd/122:16:121
31507993529,4cyclictest25-21ksoftirqd/122:10:391
31507993529,4cyclictest25-21ksoftirqd/122:00:361
31507993529,4cyclictest25-21ksoftirqd/121:09:131
31507993529,4cyclictest25-21ksoftirqd/120:29:131
31507993529,3cyclictest25-21ksoftirqd/120:55:131
31507993528,4cyclictest25-21ksoftirqd/100:24:261
31506993529,4cyclictest9-21ksoftirqd/023:16:210
31506993529,4cyclictest9-21ksoftirqd/023:07:540
31506993529,4cyclictest9-21ksoftirqd/020:18:020
31506993529,4cyclictest9-21ksoftirqd/019:16:590
31506993528,4cyclictest9-21ksoftirqd/022:01:390
31509993431,2cyclictest41-21ksoftirqd/323:35:183
31509993430,2cyclictest41-21ksoftirqd/321:45:133
31509993429,3cyclictest41-21ksoftirqd/322:10:173
31509993429,3cyclictest41-21ksoftirqd/300:11:283
31509993429,3cyclictest41-21ksoftirqd/300:11:283
31508993429,3cyclictest33-21ksoftirqd/223:15:182
31508993429,3cyclictest33-21ksoftirqd/222:45:122
31508993429,3cyclictest33-21ksoftirqd/220:47:552
31508993429,3cyclictest33-21ksoftirqd/200:19:492
31508993428,4cyclictest33-21ksoftirqd/223:42:502
31508993428,4cyclictest33-21ksoftirqd/223:11:532
31508993428,4cyclictest33-21ksoftirqd/222:56:372
31508993428,4cyclictest33-21ksoftirqd/200:30:402
31508993427,4cyclictest33-21ksoftirqd/219:51:192
31507993429,3cyclictest25-21ksoftirqd/120:08:031
31507993429,3cyclictest25-21ksoftirqd/100:00:311
31507993428,4cyclictest25-21ksoftirqd/123:24:561
31507993428,4cyclictest25-21ksoftirqd/122:22:591
31507993428,4cyclictest25-21ksoftirqd/122:08:261
31507993428,3cyclictest25-21ksoftirqd/123:08:271
31506993429,3cyclictest9-21ksoftirqd/023:54:530
31506993428,4cyclictest9-21ksoftirqd/023:28:440
31506993428,4cyclictest9-21ksoftirqd/022:10:380
31506993428,4cyclictest9-21ksoftirqd/021:33:110
31506993428,4cyclictest9-21ksoftirqd/021:17:260
31506993428,4cyclictest9-21ksoftirqd/019:58:590
31506993428,4cyclictest9-21ksoftirqd/019:32:490
31506993428,4cyclictest9-21ksoftirqd/000:31:510
31506993427,5cyclictest9-21ksoftirqd/019:20:360
31506993427,4cyclictest9-21ksoftirqd/022:50:100
187312340,6sleep13150799cyclictest19:50:151
31509993329,3cyclictest41-21ksoftirqd/300:00:203
31509993328,3cyclictest41-21ksoftirqd/322:25:203
31509993327,4cyclictest41-21ksoftirqd/322:19:283
31509993327,3cyclictest41-21ksoftirqd/322:50:253
31509993323,8cyclictest41-21ksoftirqd/322:05:243
31508993328,3cyclictest33-21ksoftirqd/221:20:532
31508993328,3cyclictest33-21ksoftirqd/221:05:432
31508993328,3cyclictest33-21ksoftirqd/221:00:412
31508993327,4cyclictest33-21ksoftirqd/222:34:302
31508993327,4cyclictest33-21ksoftirqd/220:26:212
31508993327,4cyclictest33-21ksoftirqd/219:44:172
31508993326,4cyclictest33-21ksoftirqd/221:18:282
31507993327,4cyclictest25-21ksoftirqd/123:42:531
31507993327,4cyclictest25-21ksoftirqd/120:21:151
31507993327,4cyclictest25-21ksoftirqd/119:38:501
31507993327,4cyclictest25-21ksoftirqd/100:14:271
31507993327,4cyclictest25-21ksoftirqd/100:14:271
31507993326,4cyclictest25-21ksoftirqd/123:18:101
31506993329,3cyclictest9-21ksoftirqd/021:49:560
31506993328,3cyclictest9-21ksoftirqd/023:13:080
31506993328,3cyclictest9-21ksoftirqd/022:19:430
31506993328,3cyclictest9-21ksoftirqd/020:23:310
31506993328,3cyclictest9-21ksoftirqd/020:08:500
31506993327,4cyclictest9-21ksoftirqd/023:41:040
31506993327,4cyclictest9-21ksoftirqd/023:21:180
31506993327,4cyclictest9-21ksoftirqd/023:01:040
31506993327,4cyclictest9-21ksoftirqd/020:33:250
31506993327,4cyclictest9-21ksoftirqd/000:08:080
31506993327,3cyclictest9-21ksoftirqd/021:28:490
3150999325,6cyclictest41-21ksoftirqd/320:35:133
31509993228,3cyclictest41-21ksoftirqd/323:25:013
3150999322,7cyclictest41-21ksoftirqd/300:20:263
31509993226,4cyclictest41-21ksoftirqd/321:35:183
31509993226,3cyclictest41-21ksoftirqd/323:55:133
31509993226,3cyclictest41-21ksoftirqd/319:55:123
31508993227,3cyclictest33-21ksoftirqd/221:43:482
31508993227,3cyclictest33-21ksoftirqd/221:10:342
31508993227,3cyclictest33-21ksoftirqd/220:35:102
31508993226,4cyclictest33-21ksoftirqd/219:29:142
31508993221,9cyclictest33-21ksoftirqd/223:25:152
31507993227,3cyclictest25-21ksoftirqd/122:27:561
31507993227,3cyclictest25-21ksoftirqd/121:10:571
31507993227,3cyclictest25-21ksoftirqd/119:25:021
31507993226,4cyclictest25-21ksoftirqd/121:46:321
31507993226,4cyclictest25-21ksoftirqd/120:49:551
31507993226,4cyclictest25-21ksoftirqd/119:15:001
31507993226,3cyclictest25-21ksoftirqd/123:25:081
31506993227,3cyclictest9-21ksoftirqd/021:40:340
31506993227,3cyclictest9-21ksoftirqd/019:10:100
31506993227,3cyclictest9-21ksoftirqd/000:35:440
31506993226,4cyclictest9-21ksoftirqd/023:55:320
31506993226,4cyclictest9-21ksoftirqd/022:35:090
31506993226,4cyclictest9-21ksoftirqd/022:35:090
31506993226,4cyclictest9-21ksoftirqd/020:51:220
31506993226,4cyclictest9-21ksoftirqd/000:00:340
3150999311,3cyclictest41-21ksoftirqd/323:10:193
31508993126,3cyclictest33-21ksoftirqd/220:57:482
31508993126,3cyclictest33-21ksoftirqd/220:41:542
31508993126,3cyclictest33-21ksoftirqd/220:20:002
31508993124,4cyclictest33-21ksoftirqd/223:04:152
31507993125,4cyclictest25-21ksoftirqd/123:14:171
31507993125,4cyclictest25-21ksoftirqd/119:57:011
31507993125,3cyclictest25-21ksoftirqd/122:50:001
31506993126,3cyclictest9-21ksoftirqd/022:33:280
31506993126,3cyclictest9-21ksoftirqd/019:29:440
31506993126,3cyclictest9-21ksoftirqd/000:22:270
31506993125,4cyclictest9-21ksoftirqd/020:35:060
31506993125,4cyclictest9-21ksoftirqd/000:26:170
31506993124,4cyclictest9-21ksoftirqd/000:13:370
31506993124,4cyclictest9-21ksoftirqd/000:13:370
139291310,0ptp4l401ktimersoftd/320:50:433
31509993025,3cyclictest41-21ksoftirqd/320:25:553
31508993025,3cyclictest33-21ksoftirqd/223:39:172
31508993025,3cyclictest33-21ksoftirqd/222:10:002
31508993025,3cyclictest33-21ksoftirqd/221:33:552
31508993025,3cyclictest33-21ksoftirqd/220:06:132
31507993025,3cyclictest25-21ksoftirqd/121:52:431
31507993025,3cyclictest25-21ksoftirqd/120:34:171
31507993024,4cyclictest25-21ksoftirqd/122:35:581
31507993024,4cyclictest25-21ksoftirqd/122:35:581
31506993025,3cyclictest9-21ksoftirqd/021:21:070
31506993024,4cyclictest9-21ksoftirqd/022:42:280
31506993024,4cyclictest9-21ksoftirqd/020:11:030
31506993024,4cyclictest9-21ksoftirqd/019:54:180
31508992923,4cyclictest33-21ksoftirqd/222:53:522
31508992923,4cyclictest33-21ksoftirqd/220:51:372
31508992918,9cyclictest33-21ksoftirqd/200:10:202
31508992918,9cyclictest33-21ksoftirqd/200:10:202
31507992924,3cyclictest25-21ksoftirqd/123:45:461
31507992924,3cyclictest25-21ksoftirqd/121:30:131
31507992924,3cyclictest25-21ksoftirqd/120:54:081
31507992924,3cyclictest25-21ksoftirqd/100:19:541
31507992923,4cyclictest25-21ksoftirqd/123:33:351
31507992923,4cyclictest25-21ksoftirqd/119:21:291
31506992924,3cyclictest9-21ksoftirqd/022:21:450
31506992924,3cyclictest9-21ksoftirqd/021:03:230
31506992923,4cyclictest9-21ksoftirqd/022:57:390
31508992824,3cyclictest33-21ksoftirqd/219:55:222
31508992823,3cyclictest33-21ksoftirqd/222:40:002
31508992823,3cyclictest33-21ksoftirqd/222:40:002
31508992823,3cyclictest33-21ksoftirqd/222:10:152
31508992822,4cyclictest33-21ksoftirqd/221:27:432
31508992822,3cyclictest33-21ksoftirqd/200:27:422
31507992822,4cyclictest25-21ksoftirqd/122:58:461
31507992821,4cyclictest25-21ksoftirqd/123:59:381
31506992823,3cyclictest9-21ksoftirqd/023:34:360
31506992822,4cyclictest9-21ksoftirqd/020:57:410
31506992822,4cyclictest9-21ksoftirqd/020:40:590
31506992822,4cyclictest9-21ksoftirqd/020:03:450
31508992716,9cyclictest33-21ksoftirqd/200:20:262
31507992722,3cyclictest25-21ksoftirqd/121:21:291
31507992722,3cyclictest25-21ksoftirqd/119:31:171
31507992722,3cyclictest25-21ksoftirqd/100:08:491
31506992721,4cyclictest9-21ksoftirqd/022:08:450
31507992621,3cyclictest9888-21/usr/sbin/munin20:40:141
31507992621,3cyclictest25-21ksoftirqd/120:16:471
31507992620,4cyclictest25-21ksoftirqd/100:32:561
31506992621,3cyclictest9-21ksoftirqd/022:28:310
31506992621,3cyclictest9-21ksoftirqd/019:42:100
31507992520,3cyclictest25-21ksoftirqd/120:13:241
31506992519,4cyclictest9-21ksoftirqd/020:48:460
31506992519,4cyclictest9-21ksoftirqd/020:28:530
31507992418,4cyclictest25-21ksoftirqd/121:01:551
31506992419,3cyclictest9-21ksoftirqd/021:35:150
31506992116,3cyclictest9-21ksoftirqd/022:48:150
31507992015,3cyclictest25-21ksoftirqd/121:40:051
31506991611,3cyclictest1308-21runrttasks21:55:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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