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2025-11-17 - 01:57
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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 rackdslot4.osadl.org (updated Sun Nov 16, 2025 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427791232160,23phc2sys0-21swapper/307:06:153
10592202167,23sleep00-21swapper/007:08:460
11502201166,23sleep10-21swapper/107:09:471
11512200167,22sleep20-21swapper/207:09:492
326492610,11sleep00-21swapper/009:15:130
130192600,7sleep2148099cyclictest09:40:162
320672590,3sleep30-21swapper/309:15:013
319832560,3sleep1147999cyclictest08:10:161
136272560,3sleep20-21swapper/208:35:282
1479995018,7cyclictest25-21ksoftirqd/110:05:201
40372480,2sleep2311rcuc/207:15:012
1479994810,4cyclictest25-21ksoftirqd/109:00:241
1479994810,4cyclictest25-21ksoftirqd/109:00:241
270352470,2sleep20-21swapper/212:15:282
14072460,1sleep31410-21wc09:15:263
1479994513,4cyclictest25-21ksoftirqd/110:15:151
1479994513,4cyclictest25-21ksoftirqd/110:00:021
1481994439,3cyclictest41-21ksoftirqd/310:50:003
1481994439,3cyclictest41-21ksoftirqd/309:05:013
1481994439,3cyclictest41-21ksoftirqd/309:05:003
1481994438,3cyclictest41-21ksoftirqd/310:10:003
1481994431,10cyclictest41-21ksoftirqd/312:25:303
1479994434,4cyclictest25-21ksoftirqd/108:55:121
1479994416,4cyclictest25-21ksoftirqd/108:35:251
427291430,0ptp4l401ktimersoftd/312:10:243
427291430,0ptp4l401ktimersoftd/312:10:243
427291430,0ptp4l401ktimersoftd/308:50:023
237552430,1sleep00-21swapper/012:10:220
237552430,1sleep00-21swapper/012:10:210
1481994338,3cyclictest41-21ksoftirqd/307:55:003
1481994338,3cyclictest41-21ksoftirqd/307:25:003
147999437,4cyclictest25-21ksoftirqd/110:45:171
147999436,7cyclictest25-21ksoftirqd/107:25:001
1479994310,4cyclictest25-21ksoftirqd/108:15:171
427291420,0ptp4l401ktimersoftd/307:57:003
1481994237,3cyclictest41-21ksoftirqd/310:55:003
1481994237,3cyclictest41-21ksoftirqd/307:15:013
147999424,8cyclictest25-21ksoftirqd/109:35:261
147999421,5cyclictest25-21ksoftirqd/108:05:191
147999421,5cyclictest25-21ksoftirqd/107:50:231
147999421,4cyclictest25-21ksoftirqd/107:45:171
427291410,0ptp4l401ktimersoftd/307:35:293
427091410,6getstats148199cyclictest10:17:573
148199417,9cyclictest41-21ksoftirqd/310:24:593
1481994135,4cyclictest41-21ksoftirqd/308:48:093
1481994135,3cyclictest41-21ksoftirqd/310:55:293
1481994135,3cyclictest41-21ksoftirqd/309:00:003
147999415,7cyclictest25-21ksoftirqd/107:15:241
147999413,8cyclictest25-21ksoftirqd/108:40:261
1479994135,3cyclictest25-21ksoftirqd/107:45:001
147999411,5cyclictest25-21ksoftirqd/110:50:211
147999411,5cyclictest25-21ksoftirqd/110:25:191
147999411,4cyclictest25-21ksoftirqd/109:15:281
1479994114,7cyclictest25-21ksoftirqd/112:15:201
1478994136,3cyclictest9-21ksoftirqd/010:00:000
427291400,0ptp4l401ktimersoftd/310:40:083
1481994035,3cyclictest41-21ksoftirqd/309:50:013
1481994034,4cyclictest41-21ksoftirqd/312:21:193
147999409,4cyclictest25-21ksoftirqd/111:28:091
147999404,3cyclictest121rcu_preempt10:35:201
147999404,2cyclictest121rcu_preempt11:30:181
147999403,8cyclictest25-21ksoftirqd/110:20:231
1479994035,3cyclictest25-21ksoftirqd/109:20:201
1479994034,3cyclictest25-21ksoftirqd/110:14:591
1479994034,3cyclictest25-21ksoftirqd/109:45:271
147999403,2cyclictest121rcu_preempt08:50:291
147999402,4cyclictest25-21ksoftirqd/107:55:241
1479994016,22cyclictest25-21ksoftirqd/111:00:171
147999401,5cyclictest25-21ksoftirqd/112:00:201
147999401,5cyclictest25-21ksoftirqd/111:05:181
147999401,5cyclictest25-21ksoftirqd/108:45:261
147999401,2cyclictest121rcu_preempt09:30:161
1479994010,4cyclictest25-21ksoftirqd/109:05:181
1478994033,3cyclictest9-21ksoftirqd/012:15:320
427291390,0ptp4l401ktimersoftd/307:31:283
1481993935,3cyclictest41-21ksoftirqd/308:20:193
1481993935,2cyclictest41-21ksoftirqd/311:40:013
1481993934,3cyclictest41-21ksoftirqd/310:05:003
1481993934,3cyclictest41-21ksoftirqd/309:58:593
1481993934,3cyclictest41-21ksoftirqd/308:29:593
1481993933,4cyclictest41-21ksoftirqd/312:00:113
1481993933,4cyclictest41-21ksoftirqd/311:12:513
1481993933,4cyclictest41-21ksoftirqd/311:12:513
1481993933,4cyclictest41-21ksoftirqd/310:32:563
1481993933,3cyclictest41-21ksoftirqd/310:40:003
1480993933,4cyclictest33-21ksoftirqd/208:03:422
1480993918,19cyclictest8967-21kworker/2:108:45:262
147999396,7cyclictest25-21ksoftirqd/112:40:001
1479993935,2cyclictest25-21ksoftirqd/111:40:271
1479993935,2cyclictest25-21ksoftirqd/110:55:171
1479993934,3cyclictest25-21ksoftirqd/111:35:211
1479993934,3cyclictest25-21ksoftirqd/107:30:001
1479993933,3cyclictest25-21ksoftirqd/109:30:001
1479993933,3cyclictest25-21ksoftirqd/107:35:171
1479993932,4cyclictest25-21ksoftirqd/111:50:011
1479993932,4cyclictest25-21ksoftirqd/111:10:151
1479993932,4cyclictest25-21ksoftirqd/111:10:141
1479993932,4cyclictest25-21ksoftirqd/108:30:411
1479993932,4cyclictest25-21ksoftirqd/108:05:011
147999391,4cyclictest25-21ksoftirqd/112:25:181
147999391,4cyclictest25-21ksoftirqd/110:30:211
1478993933,3cyclictest9-21ksoftirqd/007:15:010
1481993834,3cyclictest41-21ksoftirqd/310:30:013
1481993834,3cyclictest41-21ksoftirqd/310:14:593
1481993833,3cyclictest41-21ksoftirqd/312:20:003
1481993833,3cyclictest41-21ksoftirqd/311:45:013
1481993833,3cyclictest41-21ksoftirqd/311:20:003
1481993832,4cyclictest41-21ksoftirqd/311:06:183
1481993832,4cyclictest41-21ksoftirqd/308:18:253
1481993832,3cyclictest41-21ksoftirqd/307:15:223
1481993831,5cyclictest41-21ksoftirqd/311:22:583
1480993832,3cyclictest33-21ksoftirqd/210:35:072
147999387,2cyclictest25-21ksoftirqd/112:10:191
147999387,2cyclictest25-21ksoftirqd/112:10:191
147999385,6cyclictest121rcu_preempt09:55:261
147999384,7cyclictest25-21ksoftirqd/112:20:171
147999384,6cyclictest121rcu_preempt08:20:261
147999384,5cyclictest25-21ksoftirqd/111:50:151
147999383,2cyclictest121rcu_preempt09:10:151
1479993832,3cyclictest25-21ksoftirqd/108:25:281
1479993832,3cyclictest25-21ksoftirqd/107:10:131
147999381,4cyclictest25-21ksoftirqd/109:50:231
1478993833,3cyclictest9-21ksoftirqd/011:50:000
1478993832,4cyclictest9-21ksoftirqd/010:29:550
1478993831,4cyclictest9-21ksoftirqd/012:22:040
1478993831,4cyclictest9-21ksoftirqd/011:01:460
1481993734,2cyclictest41-21ksoftirqd/308:40:013
1481993733,3cyclictest41-21ksoftirqd/307:45:003
1481993732,3cyclictest41-21ksoftirqd/312:34:113
1481993732,3cyclictest41-21ksoftirqd/311:55:013
1481993732,3cyclictest41-21ksoftirqd/311:45:153
1481993731,4cyclictest41-21ksoftirqd/309:27:563
1481993731,4cyclictest41-21ksoftirqd/308:40:553
1481993731,4cyclictest41-21ksoftirqd/308:03:243
1481993731,3cyclictest41-21ksoftirqd/309:30:203
1480993731,4cyclictest33-21ksoftirqd/212:24:432
1480993731,4cyclictest33-21ksoftirqd/210:44:272
1480993731,4cyclictest33-21ksoftirqd/208:54:452
1480993731,4cyclictest33-21ksoftirqd/207:18:302
1480993730,4cyclictest33-21ksoftirqd/211:04:202
1480993730,4cyclictest33-21ksoftirqd/210:45:032
147999375,2cyclictest121rcu_preempt11:15:151
147999374,3cyclictest121rcu_preempt12:30:151
147999374,2cyclictest25-21ksoftirqd/109:40:231
1479993732,3cyclictest25-21ksoftirqd/110:40:081
1479993732,3cyclictest25-21ksoftirqd/107:35:011
1478993731,4cyclictest9-21ksoftirqd/010:02:510
1478993731,4cyclictest9-21ksoftirqd/008:06:410
1478993730,5cyclictest9-21ksoftirqd/010:38:580
148199367,6cyclictest41-21ksoftirqd/309:20:233
1481993632,2cyclictest21751-21grep12:05:263
1481993631,3cyclictest41-21ksoftirqd/308:30:163
1481993630,4cyclictest41-21ksoftirqd/311:29:123
1481993630,4cyclictest41-21ksoftirqd/308:05:053
1481993629,4cyclictest41-21ksoftirqd/311:05:003
1480993630,4cyclictest33-21ksoftirqd/210:26:122
1480993630,4cyclictest33-21ksoftirqd/209:08:422
1480993630,4cyclictest33-21ksoftirqd/208:43:022
1480993630,3cyclictest33-21ksoftirqd/211:40:002
1480993628,5cyclictest11610-21cron08:35:012
1479993631,3cyclictest25-21ksoftirqd/112:05:171
1479993630,4cyclictest25-21ksoftirqd/111:55:511
1478993631,3cyclictest9-21ksoftirqd/010:55:310
1478993631,3cyclictest9-21ksoftirqd/009:50:130
1478993631,3cyclictest9-21ksoftirqd/008:20:200
1478993630,3cyclictest9-21ksoftirqd/011:10:000
1478993630,3cyclictest9-21ksoftirqd/007:20:190
1478993629,4cyclictest9-21ksoftirqd/012:01:180
1478993629,4cyclictest9-21ksoftirqd/011:38:520
1478993629,4cyclictest9-21ksoftirqd/008:03:120
1481993530,3cyclictest41-21ksoftirqd/309:45:003
1481993530,3cyclictest41-21ksoftirqd/309:05:173
1481993529,4cyclictest41-21ksoftirqd/307:47:513
1481993529,3cyclictest41-21ksoftirqd/309:35:193
1480993530,3cyclictest33-21ksoftirqd/211:57:432
1480993530,3cyclictest33-21ksoftirqd/210:10:032
1480993530,3cyclictest33-21ksoftirqd/208:55:122
1480993529,4cyclictest33-21ksoftirqd/212:00:402
1480993529,4cyclictest33-21ksoftirqd/210:54:542
1480993529,4cyclictest33-21ksoftirqd/210:10:012
1480993529,4cyclictest33-21ksoftirqd/209:53:032
1480993529,4cyclictest33-21ksoftirqd/209:38:312
1480993529,4cyclictest33-21ksoftirqd/208:12:492
1480993529,4cyclictest33-21ksoftirqd/207:54:452
1480993529,4cyclictest33-21ksoftirqd/207:29:522
1479993531,2cyclictest25-21ksoftirqd/111:20:241
1478993530,3cyclictest9-21ksoftirqd/011:25:210
1478993530,3cyclictest9-21ksoftirqd/010:55:020
1478993530,3cyclictest9-21ksoftirqd/010:15:000
1478993529,4cyclictest9-21ksoftirqd/012:26:500
1478993529,4cyclictest9-21ksoftirqd/011:51:150
1478993529,4cyclictest9-21ksoftirqd/010:47:580
1478993529,4cyclictest9-21ksoftirqd/008:34:260
1478993529,4cyclictest9-21ksoftirqd/007:45:130
1478993528,4cyclictest9-21ksoftirqd/009:44:590
1481993429,3cyclictest41-21ksoftirqd/312:35:163
1481993429,3cyclictest41-21ksoftirqd/311:55:203
1481993429,3cyclictest41-21ksoftirqd/307:25:143
1481993428,4cyclictest41-21ksoftirqd/311:30:533
1480993429,3cyclictest33-21ksoftirqd/212:29:582
1480993429,3cyclictest33-21ksoftirqd/210:57:542
1480993429,3cyclictest33-21ksoftirqd/209:31:452
1480993428,4cyclictest33-21ksoftirqd/211:14:102
1480993428,4cyclictest33-21ksoftirqd/211:14:102
1480993428,4cyclictest33-21ksoftirqd/210:21:392
1480993428,4cyclictest33-21ksoftirqd/209:26:522
1480993428,4cyclictest33-21ksoftirqd/209:12:552
1478993430,2cyclictest9-21ksoftirqd/009:00:000
1478993429,3cyclictest9-21ksoftirqd/012:35:150
1478993429,3cyclictest9-21ksoftirqd/010:15:220
1478993429,3cyclictest9-21ksoftirqd/008:48:420
1478993429,3cyclictest9-21ksoftirqd/008:40:210
1478993429,3cyclictest9-21ksoftirqd/008:14:140
1478993429,3cyclictest9-21ksoftirqd/007:57:240
1478993429,3cyclictest9-21ksoftirqd/007:32:550
1478993429,3cyclictest9-21ksoftirqd/007:17:240
1478993428,4cyclictest9-21ksoftirqd/010:42:480
1478993428,4cyclictest9-21ksoftirqd/008:28:010
1478993428,4cyclictest9-21ksoftirqd/008:16:160
1478993426,5cyclictest9-21ksoftirqd/012:32:150
1481993329,2cyclictest41-21ksoftirqd/309:55:013
148199330,3cyclictest121rcu_preempt08:10:263
1480993328,3cyclictest33-21ksoftirqd/211:50:442
1480993328,3cyclictest33-21ksoftirqd/211:20:572
1480993328,3cyclictest33-21ksoftirqd/211:09:232
1480993328,3cyclictest33-21ksoftirqd/209:17:002
1480993327,4cyclictest33-21ksoftirqd/208:26:062
1480993327,4cyclictest33-21ksoftirqd/208:16:592
1480993327,4cyclictest33-21ksoftirqd/208:09:522
1480993327,4cyclictest33-21ksoftirqd/207:44:582
1480993326,4cyclictest33-21ksoftirqd/207:56:332
1478993328,3cyclictest9-21ksoftirqd/010:34:390
1478993328,3cyclictest9-21ksoftirqd/010:20:310
1478993328,2cyclictest9-21ksoftirqd/007:25:190
1478993327,4cyclictest9-21ksoftirqd/012:07:200
1478993327,4cyclictest9-21ksoftirqd/011:34:140
1478993327,4cyclictest9-21ksoftirqd/009:25:090
1478993327,4cyclictest9-21ksoftirqd/009:01:510
1478993327,4cyclictest9-21ksoftirqd/009:01:510
1478993327,4cyclictest9-21ksoftirqd/008:52:030
1480993227,3cyclictest33-21ksoftirqd/212:35:452
1480993227,3cyclictest33-21ksoftirqd/211:28:432
1480993227,3cyclictest33-21ksoftirqd/209:58:422
1480993226,4cyclictest33-21ksoftirqd/211:32:122
1480993226,4cyclictest33-21ksoftirqd/211:18:122
1480993225,4cyclictest33-21ksoftirqd/209:03:172
1480993225,4cyclictest33-21ksoftirqd/209:03:172
1478993227,3cyclictest9-21ksoftirqd/011:41:000
1478993227,3cyclictest9-21ksoftirqd/011:10:510
1478993227,3cyclictest9-21ksoftirqd/011:10:510
1478993227,3cyclictest9-21ksoftirqd/009:39:010
1480993126,3cyclictest33-21ksoftirqd/212:30:452
1480993126,3cyclictest33-21ksoftirqd/211:44:592
1480993126,3cyclictest33-21ksoftirqd/210:19:492
1480993126,3cyclictest33-21ksoftirqd/210:00:392
1480993126,3cyclictest33-21ksoftirqd/207:22:142
1480993125,4cyclictest33-21ksoftirqd/209:45:442
1480993125,4cyclictest33-21ksoftirqd/207:33:062
1478993126,3cyclictest9-21ksoftirqd/009:46:010
1478993126,3cyclictest9-21ksoftirqd/009:05:220
1478993126,3cyclictest9-21ksoftirqd/007:51:140
1478993125,4cyclictest9-21ksoftirqd/011:59:500
1478993125,4cyclictest9-21ksoftirqd/009:32:320
1478993125,4cyclictest9-21ksoftirqd/007:37:420
1478993124,4cyclictest9-21ksoftirqd/011:17:290
1480993025,3cyclictest33-21ksoftirqd/211:45:502
1480993010,18cyclictest30861-21kworker/2:107:45:272
1478993025,3cyclictest9-21ksoftirqd/007:41:030
1478992923,4cyclictest9-21ksoftirqd/010:07:500
1478992923,3cyclictest9-21ksoftirqd/011:20:060
1480992822,4cyclictest33-21ksoftirqd/212:06:102
1480992721,4cyclictest33-21ksoftirqd/207:37:202
1480992710,15cyclictest3560-21kworker/2:008:20:072
1478992723,3cyclictest9-21ksoftirqd/009:24:590
1478992722,3cyclictest9-21ksoftirqd/009:15:000
1480992621,3cyclictest33-21ksoftirqd/212:14:242
1480992621,3cyclictest33-21ksoftirqd/212:14:242
1480992621,3cyclictest33-21ksoftirqd/210:34:122
1480992520,3cyclictest33-21ksoftirqd/209:22:302
1478992520,3cyclictest9-21ksoftirqd/008:35:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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