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2026-04-13 - 22:23
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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 792 highest latencies:
System rackdslot3.osadl.org (updated Mon Apr 13, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491221155,23phc2sys0-21swapper/307:06:013
122932203169,23sleep00-21swapper/007:07:340
122122203171,21sleep10-21swapper/107:06:291
122952200168,21sleep20-21swapper/207:07:362
42112530,3sleep2321ktimersoftd/212:25:272
263982520,2sleep20-21swapper/208:45:112
139391500,1ptp4l401ktimersoftd/311:10:393
12943994715,7cyclictest25-21ksoftirqd/112:20:001
139391430,0ptp4l401ktimersoftd/311:23:153
1294399435,3cyclictest25-21ksoftirqd/110:50:211
12943994313,4cyclictest25-21ksoftirqd/107:10:151
139391420,0ptp4l401ktimersoftd/312:00:163
139391420,0ptp4l401ktimersoftd/309:07:273
1294399426,2cyclictest25-21ksoftirqd/109:50:161
12943994212,8cyclictest25-21ksoftirqd/110:05:281
12943994212,8cyclictest25-21ksoftirqd/110:05:271
12943994212,7cyclictest25-21ksoftirqd/108:30:201
12942994212,3cyclictest9-21ksoftirqd/008:20:000
139391410,0ptp4l401ktimersoftd/308:57:083
12945994135,3cyclictest41-21ksoftirqd/307:15:003
12944994136,3cyclictest0-21swapper/207:10:012
1294399417,6cyclictest25-21ksoftirqd/109:45:181
1294399416,6cyclictest25-21ksoftirqd/109:05:271
1294399416,3cyclictest25-21ksoftirqd/111:55:161
12943994112,8cyclictest25-21ksoftirqd/112:40:001
139391400,0ptp4l401ktimersoftd/309:25:303
12945994035,3cyclictest41-21ksoftirqd/310:40:003
12945994035,3cyclictest41-21ksoftirqd/310:40:003
12944994026,12cyclictest33-21ksoftirqd/212:40:012
1294399408,3cyclictest25-21ksoftirqd/108:55:261
1294399407,2cyclictest25-21ksoftirqd/107:30:161
1294399406,6cyclictest25-21ksoftirqd/111:50:241
1294399406,2cyclictest25-21ksoftirqd/108:20:211
12943994036,2cyclictest25-21ksoftirqd/107:30:011
12943994035,3cyclictest25-21ksoftirqd/109:20:001
12943994035,3cyclictest25-21ksoftirqd/108:50:011
1294399402,35cyclictest1317-21runrttasks09:03:381
12943994012,3cyclictest25-21ksoftirqd/110:55:231
12943994011,7cyclictest25-21ksoftirqd/111:20:151
139391390,1ptp4l401ktimersoftd/308:50:333
139391390,0ptp4l401ktimersoftd/312:30:253
1294599395,3cyclictest41-21ksoftirqd/309:50:003
1294399399,9cyclictest25-21ksoftirqd/108:52:321
1294399399,3cyclictest25-21ksoftirqd/110:10:221
1294399397,6cyclictest25-21ksoftirqd/112:10:221
1294399397,6cyclictest25-21ksoftirqd/107:20:221
1294399396,5cyclictest25-21ksoftirqd/110:48:011
1294399395,3cyclictest121rcu_preempt12:20:211
12943993934,3cyclictest25-21ksoftirqd/108:40:001
12943993934,3cyclictest25-21ksoftirqd/107:40:011
1294399393,2cyclictest121rcu_preempt11:15:211
12943993911,7cyclictest25-21ksoftirqd/110:30:161
1294399390,8cyclictest25-21ksoftirqd/110:15:241
12942993935,2cyclictest9-21ksoftirqd/009:40:000
12945993827,9cyclictest41-21ksoftirqd/310:20:233
12945993827,9cyclictest41-21ksoftirqd/308:00:243
1294399388,3cyclictest25-21ksoftirqd/111:45:241
1294399387,2cyclictest25-21ksoftirqd/110:35:241
1294399387,2cyclictest25-21ksoftirqd/110:35:241
1294399385,7cyclictest25-21ksoftirqd/108:05:211
1294399385,6cyclictest25-21ksoftirqd/107:45:181
1294399384,3cyclictest121rcu_preempt12:00:181
1294399384,3cyclictest121rcu_preempt07:50:251
1294399384,2cyclictest121rcu_preempt11:30:221
1294399383,7cyclictest25-21ksoftirqd/109:40:151
12943993833,2cyclictest25-21ksoftirqd/107:20:001
12943993827,3cyclictest25-21ksoftirqd/108:40:141
1294399382,3cyclictest25-21ksoftirqd/112:30:171
1294399382,3cyclictest121rcu_preempt11:35:181
12942993833,3cyclictest9-21ksoftirqd/007:15:010
12945993732,3cyclictest41-21ksoftirqd/310:55:003
12945993732,3cyclictest41-21ksoftirqd/310:45:003
12944993731,4cyclictest33-21ksoftirqd/208:09:242
12944993731,4cyclictest33-21ksoftirqd/207:52:082
1294399378,3cyclictest25-21ksoftirqd/108:25:171
1294399377,5cyclictest25-21ksoftirqd/112:25:221
1294399376,4cyclictest25-21ksoftirqd/111:30:001
1294399376,3cyclictest25-21ksoftirqd/111:10:271
1294399376,3cyclictest25-21ksoftirqd/111:00:131
1294399375,6cyclictest25-21ksoftirqd/109:10:231
1294399374,3cyclictest121rcu_preempt10:40:271
1294399373,3cyclictest121rcu_preempt10:25:131
1294399373,3cyclictest121rcu_preempt07:40:191
12943993733,2cyclictest25-21ksoftirqd/110:00:001
12943993731,4cyclictest25-21ksoftirqd/108:02:131
12943993730,4cyclictest25-21ksoftirqd/109:20:441
1294399372,4cyclictest25-21ksoftirqd/111:05:241
1294399372,4cyclictest25-21ksoftirqd/111:05:241
12942993734,2cyclictest9-21ksoftirqd/012:14:590
12942993732,3cyclictest9-21ksoftirqd/007:40:000
1294299370,5cyclictest7136-21ls12:35:000
12945993632,2cyclictest41-21ksoftirqd/310:00:003
12945993631,3cyclictest41-21ksoftirqd/311:00:173
12945993630,4cyclictest41-21ksoftirqd/312:19:023
12945993630,4cyclictest41-21ksoftirqd/311:50:343
12945993630,3cyclictest41-21ksoftirqd/312:25:133
12945993626,8cyclictest41-21ksoftirqd/308:45:223
12944993632,2cyclictest33-21ksoftirqd/210:50:012
12944993631,3cyclictest33-21ksoftirqd/208:40:002
12944993630,4cyclictest33-21ksoftirqd/208:14:582
12944993629,5cyclictest33-21ksoftirqd/209:20:292
1294399364,3cyclictest121rcu_preempt09:25:181
1294399364,3cyclictest121rcu_preempt07:55:161
12943993632,2cyclictest25-21ksoftirqd/108:20:001
12943993630,3cyclictest25-21ksoftirqd/108:10:191
1294399361,8cyclictest25-21ksoftirqd/109:35:181
1294399360,8cyclictest25-21ksoftirqd/110:00:151
12942993633,2cyclictest9-21ksoftirqd/012:20:000
12942993632,3cyclictest9-21ksoftirqd/011:10:000
12942993632,3cyclictest9-21ksoftirqd/011:09:590
12942993631,3cyclictest9-21ksoftirqd/011:15:180
12942993631,3cyclictest9-21ksoftirqd/009:20:010
12945993530,3cyclictest41-21ksoftirqd/311:37:573
12945993529,4cyclictest41-21ksoftirqd/308:09:593
12945993528,5cyclictest41-21ksoftirqd/307:59:313
12944993530,3cyclictest33-21ksoftirqd/210:17:372
12944993529,4cyclictest33-21ksoftirqd/212:00:512
1294399354,3cyclictest121rcu_preempt10:20:211
1294399353,3cyclictest121rcu_preempt12:05:191
1294399352,4cyclictest121rcu_preempt09:30:151
1294399352,3cyclictest121rcu_preempt11:40:261
1294299354,3cyclictest29569-21cut08:50:190
12942993531,3cyclictest9-21ksoftirqd/008:05:130
12942993530,3cyclictest9-21ksoftirqd/011:20:100
12942993530,3cyclictest9-21ksoftirqd/011:15:000
12942993530,3cyclictest9-21ksoftirqd/009:00:180
12942993529,4cyclictest9-21ksoftirqd/007:54:110
12942993520,5cyclictest9-21ksoftirqd/009:50:000
1294599344,6cyclictest41-21ksoftirqd/310:10:273
12945993430,3cyclictest41-21ksoftirqd/308:10:243
12945993428,4cyclictest41-21ksoftirqd/311:42:193
12945993428,4cyclictest41-21ksoftirqd/311:32:203
12945993428,4cyclictest41-21ksoftirqd/310:28:023
12945993428,3cyclictest41-21ksoftirqd/308:15:193
12945993428,3cyclictest41-21ksoftirqd/307:45:263
1294599340,9cyclictest41-21ksoftirqd/308:45:003
12944993429,3cyclictest33-21ksoftirqd/212:15:122
12944993429,3cyclictest33-21ksoftirqd/212:05:092
12944993429,3cyclictest33-21ksoftirqd/209:39:582
12944993428,4cyclictest33-21ksoftirqd/211:40:582
12944993428,4cyclictest33-21ksoftirqd/211:28:012
12944993428,4cyclictest33-21ksoftirqd/210:26:242
12944993428,4cyclictest33-21ksoftirqd/210:21:312
12944993428,4cyclictest33-21ksoftirqd/209:58:242
12944993428,4cyclictest33-21ksoftirqd/207:31:542
12944993428,4cyclictest33-21ksoftirqd/207:15:542
12942993429,3cyclictest9-21ksoftirqd/011:50:140
12942993429,3cyclictest9-21ksoftirqd/011:30:000
12942993429,3cyclictest9-21ksoftirqd/010:50:010
12942993429,3cyclictest9-21ksoftirqd/010:21:370
12942993429,3cyclictest9-21ksoftirqd/009:05:580
12942993429,2cyclictest9-21ksoftirqd/008:00:180
12942993428,4cyclictest9-21ksoftirqd/010:58:110
12942993428,4cyclictest9-21ksoftirqd/007:31:510
12942993428,3cyclictest9-21ksoftirqd/010:40:000
12942993428,3cyclictest9-21ksoftirqd/010:40:000
139391330,10ptp4l401ktimersoftd/309:20:113
12945993330,2cyclictest41-21ksoftirqd/307:35:003
12945993329,2cyclictest41-21ksoftirqd/312:10:183
12945993329,2cyclictest41-21ksoftirqd/311:08:573
12945993329,2cyclictest41-21ksoftirqd/311:08:573
12945993329,2cyclictest41-21ksoftirqd/309:40:003
12945993328,3cyclictest41-21ksoftirqd/308:35:103
12945993328,3cyclictest41-21ksoftirqd/308:30:003
12945993328,3cyclictest41-21ksoftirqd/307:15:263
12945993327,4cyclictest41-21ksoftirqd/311:27:153
12945993327,4cyclictest41-21ksoftirqd/310:57:543
12945993327,4cyclictest41-21ksoftirqd/310:34:563
12945993327,4cyclictest41-21ksoftirqd/310:00:343
12945993327,4cyclictest41-21ksoftirqd/308:34:293
12944993328,3cyclictest33-21ksoftirqd/211:00:102
12944993327,4cyclictest33-21ksoftirqd/212:30:042
12944993327,4cyclictest33-21ksoftirqd/211:39:212
12944993327,4cyclictest33-21ksoftirqd/211:30:432
12944993327,4cyclictest33-21ksoftirqd/210:57:012
12944993327,4cyclictest33-21ksoftirqd/210:12:242
1294299333,3cyclictest9-21ksoftirqd/010:00:000
12942993330,2cyclictest9-21ksoftirqd/007:20:010
12942993328,3cyclictest9-21ksoftirqd/012:05:010
12942993327,4cyclictest9-21ksoftirqd/010:15:030
12942993327,4cyclictest9-21ksoftirqd/010:06:160
12942993327,4cyclictest9-21ksoftirqd/010:06:160
12942993327,4cyclictest9-21ksoftirqd/009:53:410
12942993327,4cyclictest9-21ksoftirqd/009:41:410
12942993327,4cyclictest9-21ksoftirqd/009:25:120
12942993327,4cyclictest9-21ksoftirqd/008:57:400
12942993327,4cyclictest9-21ksoftirqd/008:27:210
12942993327,3cyclictest9-21ksoftirqd/012:00:000
12942993326,5cyclictest9-21ksoftirqd/008:10:120
139391320,0ptp4l401ktimersoftd/312:36:433
139391320,0ptp4l401ktimersoftd/312:20:133
1294599327,2cyclictest41-21ksoftirqd/311:20:013
12945993229,2cyclictest41-21ksoftirqd/309:15:193
12945993228,2cyclictest41-21ksoftirqd/309:45:003
12945993227,3cyclictest41-21ksoftirqd/310:50:013
12945993227,3cyclictest41-21ksoftirqd/310:15:203
12945993227,3cyclictest41-21ksoftirqd/310:05:133
12945993227,3cyclictest41-21ksoftirqd/310:05:133
12945993227,3cyclictest41-21ksoftirqd/309:02:023
12945993227,3cyclictest41-21ksoftirqd/307:30:013
12945993227,2cyclictest41-21ksoftirqd/311:45:263
12945993226,4cyclictest41-21ksoftirqd/312:07:343
12945993226,4cyclictest41-21ksoftirqd/311:55:433
12944993227,3cyclictest33-21ksoftirqd/210:02:522
12944993227,3cyclictest33-21ksoftirqd/208:00:582
12944993226,4cyclictest33-21ksoftirqd/211:10:492
12944993226,4cyclictest33-21ksoftirqd/210:42:412
12944993226,4cyclictest33-21ksoftirqd/207:46:192
12944993226,4cyclictest33-21ksoftirqd/207:44:172
12944993226,4cyclictest33-21ksoftirqd/207:20:022
12944993225,5cyclictest33-21ksoftirqd/211:23:122
12942993227,3cyclictest9-21ksoftirqd/011:40:200
12942993227,3cyclictest9-21ksoftirqd/008:40:170
12942993227,3cyclictest9-21ksoftirqd/007:25:120
12942993226,4cyclictest9-21ksoftirqd/012:05:340
12942993226,4cyclictest9-21ksoftirqd/010:02:590
12942993226,4cyclictest9-21ksoftirqd/007:40:380
12942993225,4cyclictest9-21ksoftirqd/012:40:010
12942993219,3cyclictest9-21ksoftirqd/009:10:140
1294299321,3cyclictest121rcu_preempt10:35:000
1294299320,6cyclictest382-21expr12:20:150
12945993127,2cyclictest41-21ksoftirqd/308:20:183
12945993126,3cyclictest41-21ksoftirqd/307:35:193
12945993126,3cyclictest41-21ksoftirqd/307:25:003
12945993125,4cyclictest41-21ksoftirqd/309:30:503
12944993126,3cyclictest33-21ksoftirqd/210:06:562
12944993126,3cyclictest33-21ksoftirqd/210:06:562
12944993126,3cyclictest33-21ksoftirqd/209:40:582
12944993126,3cyclictest33-21ksoftirqd/208:20:292
12944993125,4cyclictest33-21ksoftirqd/211:57:222
12944993125,4cyclictest33-21ksoftirqd/210:30:452
12944993125,4cyclictest33-21ksoftirqd/209:15:072
12944993125,4cyclictest33-21ksoftirqd/209:14:402
12944993125,4cyclictest33-21ksoftirqd/209:03:362
12944993125,4cyclictest33-21ksoftirqd/208:34:082
12944993125,3cyclictest33-21ksoftirqd/208:50:582
1294299312,6cyclictest121rcu_preempt10:25:170
12942993126,3cyclictest9-21ksoftirqd/010:44:310
12942993126,3cyclictest9-21ksoftirqd/008:34:070
12942993126,3cyclictest9-21ksoftirqd/007:24:430
12942993125,4cyclictest9-21ksoftirqd/010:54:460
12942993125,4cyclictest9-21ksoftirqd/008:48:380
1294599304,3cyclictest41-21ksoftirqd/307:40:173
12945993025,3cyclictest41-21ksoftirqd/309:50:133
12944993025,3cyclictest33-21ksoftirqd/211:53:552
12944993025,3cyclictest33-21ksoftirqd/211:46:492
12944993025,3cyclictest33-21ksoftirqd/209:32:182
12944993025,3cyclictest33-21ksoftirqd/209:28:512
12944993025,3cyclictest33-21ksoftirqd/209:05:122
12944993025,3cyclictest33-21ksoftirqd/207:57:342
12944993024,4cyclictest33-21ksoftirqd/212:23:382
12944993024,4cyclictest33-21ksoftirqd/210:40:002
12944993024,4cyclictest33-21ksoftirqd/210:40:002
12944993023,5cyclictest33-21ksoftirqd/211:16:272
12942993025,3cyclictest9-21ksoftirqd/011:46:570
12942993025,3cyclictest9-21ksoftirqd/008:35:180
12942993024,4cyclictest9-21ksoftirqd/011:31:530
12942993024,4cyclictest9-21ksoftirqd/009:32:220
12942993024,4cyclictest9-21ksoftirqd/009:24:560
12945992924,3cyclictest41-21ksoftirqd/309:15:003
12945992924,3cyclictest41-21ksoftirqd/307:54:463
12944992924,3cyclictest33-21ksoftirqd/208:20:002
12944992924,3cyclictest33-21ksoftirqd/207:39:442
12942992924,3cyclictest9-21ksoftirqd/011:04:370
12942992923,4cyclictest9-21ksoftirqd/010:13:420
12942992923,4cyclictest9-21ksoftirqd/007:57:000
12944992823,3cyclictest33-21ksoftirqd/208:57:202
12942992823,3cyclictest9-21ksoftirqd/011:40:000
12942992823,3cyclictest9-21ksoftirqd/007:47:070
12942992822,4cyclictest9-21ksoftirqd/012:26:170
12944992721,4cyclictest33-21ksoftirqd/210:54:082
12944992721,4cyclictest33-21ksoftirqd/209:47:132
12944992623,2cyclictest33-21ksoftirqd/211:05:242
12944992623,2cyclictest33-21ksoftirqd/211:05:242
12944992621,3cyclictest33-21ksoftirqd/209:50:552
12944992621,3cyclictest33-21ksoftirqd/208:40:102
12944992621,3cyclictest33-21ksoftirqd/208:27:522
12944992620,4cyclictest33-21ksoftirqd/207:27:002
12942992621,3cyclictest9-21ksoftirqd/008:21:220
12944992216,4cyclictest33-21ksoftirqd/212:12:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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