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2026-03-31 - 20:26
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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 rackdslot2.osadl.org (updated Tue Mar 31, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72882232170,50sleep10-21swapper/107:05:291
139591227160,21phc2sys0-21swapper/307:06:573
74222208174,23sleep20-21swapper/207:07:032
75412203169,22sleep00-21swapper/007:08:340
921921690,7sleep1795099cyclictest09:25:181
139291790,1ptp4l401ktimersoftd/311:25:193
55362720,2sleep05537-21irqrtprio08:10:190
83582620,6sleep1795099cyclictest11:40:011
139291620,1ptp4l401ktimersoftd/311:31:233
139291540,1ptp4l391rcuc/308:55:183
139291530,1ptp4l401ktimersoftd/307:30:543
7951995215,5cyclictest33-21ksoftirqd/210:39:592
794999452,40cyclictest8385-21fschecks_count07:10:150
7951994415,18cyclictest33-21ksoftirqd/207:40:272
7949994339,2cyclictest9-21ksoftirqd/012:40:010
139291430,1ptp4l401ktimersoftd/310:12:343
7951994228,12cyclictest33-21ksoftirqd/208:15:002
139291420,0ptp4l401ktimersoftd/309:57:083
139291420,0ptp4l401ktimersoftd/308:50:133
139291420,0ptp4l401ktimersoftd/307:21:173
7949994135,3cyclictest9-21ksoftirqd/012:00:000
7949994135,3cyclictest9-21ksoftirqd/009:40:000
221672410,6sleep20-21swapper/212:05:252
139291410,1ptp4l401ktimersoftd/308:15:123
7949994035,3cyclictest9-21ksoftirqd/008:00:000
139291400,2ptp4l401ktimersoftd/312:28:033
139291400,1ptp4l401ktimersoftd/311:50:533
139291400,0ptp4l401ktimersoftd/308:20:243
795199393,5cyclictest33-21ksoftirqd/209:40:002
7951993933,4cyclictest33-21ksoftirqd/212:27:102
7950993935,2cyclictest25-21ksoftirqd/108:00:001
7949993929,3cyclictest9-21ksoftirqd/011:15:210
7952993833,3cyclictest41-21ksoftirqd/312:37:423
7952993833,3cyclictest41-21ksoftirqd/311:43:583
7952993832,4cyclictest41-21ksoftirqd/311:46:033
7951993833,3cyclictest33-21ksoftirqd/211:10:002
7951993833,3cyclictest33-21ksoftirqd/210:50:002
7951993833,3cyclictest33-21ksoftirqd/209:04:592
7951993827,9cyclictest33-21ksoftirqd/208:00:132
7950993834,2cyclictest25-21ksoftirqd/112:40:001
7950993834,2cyclictest25-21ksoftirqd/110:50:001
795099382,3cyclictest121rcu_preempt07:30:201
7949993833,3cyclictest9-21ksoftirqd/012:35:000
7952993733,3cyclictest41-21ksoftirqd/312:23:173
7952993732,3cyclictest41-21ksoftirqd/312:09:313
7952993731,4cyclictest41-21ksoftirqd/310:31:393
7952993731,4cyclictest41-21ksoftirqd/310:01:023
7952993731,4cyclictest41-21ksoftirqd/309:42:293
7952993731,4cyclictest41-21ksoftirqd/308:10:103
7951993732,3cyclictest33-21ksoftirqd/212:30:192
7951993731,4cyclictest33-21ksoftirqd/212:02:352
7951993731,4cyclictest33-21ksoftirqd/209:46:082
7951993731,4cyclictest33-21ksoftirqd/209:23:142
7951993731,4cyclictest33-21ksoftirqd/207:49:032
7950993733,2cyclictest25-21ksoftirqd/112:05:001
7950993733,2cyclictest25-21ksoftirqd/109:45:001
7950993732,3cyclictest25-21ksoftirqd/110:25:171
7950993732,3cyclictest25-21ksoftirqd/109:45:261
7950993732,3cyclictest25-21ksoftirqd/108:30:001
7950993732,3cyclictest25-21ksoftirqd/107:40:011
7950993730,5cyclictest25-21ksoftirqd/111:23:281
7950993730,5cyclictest25-21ksoftirqd/111:23:281
7949993732,3cyclictest9-21ksoftirqd/012:20:000
7949993732,3cyclictest9-21ksoftirqd/008:30:000
7949993731,4cyclictest9-21ksoftirqd/010:13:100
7949993731,3cyclictest9-21ksoftirqd/008:00:180
7949993730,4cyclictest9-21ksoftirqd/011:36:190
7949993723,4cyclictest9-21ksoftirqd/010:00:240
7952993631,3cyclictest41-21ksoftirqd/312:10:123
7952993631,3cyclictest41-21ksoftirqd/312:03:033
7952993631,3cyclictest41-21ksoftirqd/311:01:093
7952993630,4cyclictest41-21ksoftirqd/311:17:083
7952993630,4cyclictest41-21ksoftirqd/311:10:113
7952993630,4cyclictest41-21ksoftirqd/310:42:183
7952993630,4cyclictest41-21ksoftirqd/309:22:393
7952993630,4cyclictest41-21ksoftirqd/307:38:333
7952993630,4cyclictest41-21ksoftirqd/307:26:573
7951993631,3cyclictest33-21ksoftirqd/207:52:522
7951993630,4cyclictest33-21ksoftirqd/212:11:152
7951993630,4cyclictest33-21ksoftirqd/211:52:572
7951993630,4cyclictest33-21ksoftirqd/211:13:582
7951993630,4cyclictest33-21ksoftirqd/210:50:392
7951993630,4cyclictest33-21ksoftirqd/209:52:352
7951993630,4cyclictest33-21ksoftirqd/208:43:102
7951993630,4cyclictest33-21ksoftirqd/208:17:392
7951993623,11cyclictest33-21ksoftirqd/208:30:002
7950993631,3cyclictest8358-21cron09:25:001
7950993631,3cyclictest25-21ksoftirqd/111:55:191
7950993631,3cyclictest25-21ksoftirqd/111:10:191
7950993631,3cyclictest25-21ksoftirqd/109:15:121
7950993631,3cyclictest25-21ksoftirqd/109:10:171
7950993631,3cyclictest25-21ksoftirqd/109:05:001
7950993631,3cyclictest25-21ksoftirqd/108:15:201
7950993631,3cyclictest25-21ksoftirqd/107:30:001
7950993630,4cyclictest25-21ksoftirqd/107:51:381
7950993630,3cyclictest25-21ksoftirqd/112:15:131
795099361,3cyclictest121rcu_preempt07:20:151
7949993631,3cyclictest9-21ksoftirqd/012:05:200
7949993631,3cyclictest9-21ksoftirqd/010:00:010
7949993631,3cyclictest9-21ksoftirqd/008:05:190
7949993630,4cyclictest9-21ksoftirqd/011:20:110
7949993630,4cyclictest9-21ksoftirqd/011:20:110
7949993630,4cyclictest9-21ksoftirqd/009:21:360
7949993630,3cyclictest9-21ksoftirqd/012:25:000
7949993620,6cyclictest9-21ksoftirqd/010:55:230
2330023631,2sleep0101ktimersoftd/007:40:190
139291360,0ptp4l401ktimersoftd/309:30:153
139291360,0ptp4l401ktimersoftd/309:30:143
7952993530,3cyclictest41-21ksoftirqd/312:34:013
7952993530,3cyclictest41-21ksoftirqd/311:24:133
7952993530,3cyclictest41-21ksoftirqd/311:24:133
7952993530,3cyclictest41-21ksoftirqd/310:38:383
7952993530,3cyclictest41-21ksoftirqd/309:45:193
7952993529,4cyclictest41-21ksoftirqd/310:20:003
7952993529,4cyclictest41-21ksoftirqd/308:47:403
7952993529,4cyclictest41-21ksoftirqd/308:41:473
7952993529,4cyclictest41-21ksoftirqd/308:30:083
7952993529,4cyclictest41-21ksoftirqd/307:16:223
7952993528,4cyclictest41-21ksoftirqd/309:50:593
7951993530,3cyclictest33-21ksoftirqd/211:27:262
7951993530,3cyclictest33-21ksoftirqd/211:17:012
7951993530,3cyclictest33-21ksoftirqd/210:15:142
7951993529,4cyclictest33-21ksoftirqd/211:45:072
7951993529,4cyclictest33-21ksoftirqd/210:24:082
7951993528,5cyclictest33-21ksoftirqd/208:52:372
7951993523,10cyclictest33-21ksoftirqd/211:30:232
795099355,2cyclictest121rcu_preempt08:20:141
7950993530,4cyclictest25-21ksoftirqd/108:10:191
7950993530,3cyclictest25-21ksoftirqd/111:25:191
7950993529,4cyclictest25-21ksoftirqd/112:23:411
7950993529,4cyclictest25-21ksoftirqd/111:42:081
7950993529,4cyclictest25-21ksoftirqd/110:09:391
7950993529,4cyclictest25-21ksoftirqd/108:44:061
7950993529,4cyclictest25-21ksoftirqd/108:05:061
7950993529,4cyclictest25-21ksoftirqd/107:15:441
795099350,3cyclictest121rcu_preempt08:55:201
7949993530,3cyclictest9-21ksoftirqd/011:05:180
7949993530,3cyclictest9-21ksoftirqd/010:15:210
7949993529,4cyclictest9-21ksoftirqd/009:04:050
7949993529,4cyclictest9-21ksoftirqd/007:49:010
7949993529,4cyclictest9-21ksoftirqd/007:18:200
7949993529,3cyclictest9-21ksoftirqd/012:00:180
7949993529,3cyclictest9-21ksoftirqd/010:20:180
7949993529,3cyclictest9-21ksoftirqd/008:50:010
7949993520,4cyclictest9-21ksoftirqd/008:20:140
7952993429,3cyclictest41-21ksoftirqd/312:19:323
7952993429,3cyclictest41-21ksoftirqd/309:05:123
7952993428,4cyclictest41-21ksoftirqd/311:57:593
7952993428,4cyclictest41-21ksoftirqd/310:56:383
7952993428,4cyclictest41-21ksoftirqd/309:27:483
7952993428,4cyclictest41-21ksoftirqd/309:18:423
7952993428,4cyclictest41-21ksoftirqd/307:12:023
7951993430,3cyclictest33-21ksoftirqd/207:25:002
7951993429,3cyclictest33-21ksoftirqd/212:23:532
7951993429,3cyclictest33-21ksoftirqd/210:03:082
7951993429,3cyclictest33-21ksoftirqd/209:15:002
7951993429,3cyclictest33-21ksoftirqd/208:20:202
7951993429,3cyclictest33-21ksoftirqd/207:30:252
7951993428,4cyclictest33-21ksoftirqd/210:59:462
7951993428,4cyclictest33-21ksoftirqd/210:08:152
7951993428,4cyclictest33-21ksoftirqd/209:56:002
7951993428,4cyclictest33-21ksoftirqd/207:58:372
7951993427,4cyclictest33-21ksoftirqd/207:10:152
7951993423,9cyclictest33-21ksoftirqd/211:55:152
7951993419,5cyclictest33-21ksoftirqd/207:40:002
795099344,2cyclictest121rcu_preempt10:15:151
7950993430,2cyclictest25-21ksoftirqd/110:25:011
7950993429,3cyclictest25-21ksoftirqd/112:35:011
7950993429,3cyclictest25-21ksoftirqd/110:10:241
7950993429,3cyclictest25-21ksoftirqd/109:55:221
7950993429,3cyclictest25-21ksoftirqd/109:50:281
7950993429,3cyclictest25-21ksoftirqd/107:15:011
7950993428,4cyclictest25-21ksoftirqd/107:48:341
7950993428,3cyclictest25-21ksoftirqd/111:50:181
7950993428,3cyclictest25-21ksoftirqd/107:40:141
795099342,3cyclictest121rcu_preempt10:55:231
795099341,3cyclictest121rcu_preempt11:00:131
7949993431,2cyclictest9-21ksoftirqd/008:35:000
7949993430,2cyclictest9-21ksoftirqd/010:50:000
7949993430,2cyclictest9-21ksoftirqd/007:25:190
7949993429,3cyclictest9-21ksoftirqd/011:05:000
7949993429,3cyclictest9-21ksoftirqd/009:00:000
7949993429,3cyclictest9-21ksoftirqd/007:20:170
7949993428,4cyclictest9-21ksoftirqd/012:25:280
7949993428,4cyclictest9-21ksoftirqd/011:54:520
7949993428,4cyclictest9-21ksoftirqd/009:49:430
7949993424,3cyclictest9-21ksoftirqd/007:30:200
7949993420,4cyclictest9-21ksoftirqd/010:25:240
7952993328,3cyclictest41-21ksoftirqd/310:46:083
7952993328,3cyclictest41-21ksoftirqd/308:07:263
7952993327,4cyclictest41-21ksoftirqd/309:39:403
7952993327,4cyclictest41-21ksoftirqd/308:35:493
7951993329,3cyclictest33-21ksoftirqd/208:40:002
7951993328,3cyclictest33-21ksoftirqd/210:26:232
7951993328,3cyclictest33-21ksoftirqd/210:10:082
7951993328,3cyclictest33-21ksoftirqd/209:44:162
7951993327,4cyclictest33-21ksoftirqd/207:19:302
7951993327,3cyclictest33-21ksoftirqd/208:49:022
795199331,3cyclictest33-21ksoftirqd/212:35:232
795099334,3cyclictest25-21ksoftirqd/111:30:251
7950993329,3cyclictest25-21ksoftirqd/112:10:001
7950993329,3cyclictest25-21ksoftirqd/108:30:151
7950993328,3cyclictest25-21ksoftirqd/110:54:591
7950993328,3cyclictest25-21ksoftirqd/108:45:201
7950993327,4cyclictest25-21ksoftirqd/109:05:151
7950993327,4cyclictest25-21ksoftirqd/108:52:201
7950993327,4cyclictest25-21ksoftirqd/108:01:251
7950993327,3cyclictest25-21ksoftirqd/112:25:271
7949993329,3cyclictest9-21ksoftirqd/010:39:590
7949993328,3cyclictest9-21ksoftirqd/011:47:380
7949993328,3cyclictest9-21ksoftirqd/010:05:220
7949993328,3cyclictest9-21ksoftirqd/009:32:510
7949993328,3cyclictest9-21ksoftirqd/009:32:510
7949993328,3cyclictest9-21ksoftirqd/009:15:200
7949993327,4cyclictest9-21ksoftirqd/011:40:480
7949993327,4cyclictest9-21ksoftirqd/011:25:320
7949993327,4cyclictest9-21ksoftirqd/009:44:260
7949993327,4cyclictest9-21ksoftirqd/007:35:530
7949993327,3cyclictest9-21ksoftirqd/011:35:010
7951993227,3cyclictest33-21ksoftirqd/211:45:012
7951993227,3cyclictest33-21ksoftirqd/211:39:122
7951993227,3cyclictest33-21ksoftirqd/209:07:392
7951993226,4cyclictest33-21ksoftirqd/212:18:092
7951993226,4cyclictest33-21ksoftirqd/209:31:042
7951993226,4cyclictest33-21ksoftirqd/209:31:042
7951993226,4cyclictest33-21ksoftirqd/208:55:342
7950993227,3cyclictest25-21ksoftirqd/110:00:151
7950993226,4cyclictest25-21ksoftirqd/112:13:131
7950993226,4cyclictest25-21ksoftirqd/110:35:121
7950993226,4cyclictest25-21ksoftirqd/110:33:091
7949993228,3cyclictest9-21ksoftirqd/012:15:000
7949993228,3cyclictest9-21ksoftirqd/009:10:170
7949993227,3cyclictest9-21ksoftirqd/010:35:000
7949993227,3cyclictest9-21ksoftirqd/009:55:000
7949993227,3cyclictest9-21ksoftirqd/008:40:140
7949993227,3cyclictest9-21ksoftirqd/007:50:190
7949993219,6cyclictest9-21ksoftirqd/010:50:260
7949993218,4cyclictest9-21ksoftirqd/008:15:290
7952993126,3cyclictest41-21ksoftirqd/311:05:063
7952993126,3cyclictest41-21ksoftirqd/310:21:053
7952993126,3cyclictest41-21ksoftirqd/308:00:103
7952993126,3cyclictest41-21ksoftirqd/307:44:093
7952993125,4cyclictest41-21ksoftirqd/311:39:303
7952993125,4cyclictest41-21ksoftirqd/308:00:003
7952993125,4cyclictest41-21ksoftirqd/307:49:163
7952993125,3cyclictest41-21ksoftirqd/310:07:463
7951993127,3cyclictest33-21ksoftirqd/207:25:192
7951993126,3cyclictest33-21ksoftirqd/211:20:192
7951993126,3cyclictest33-21ksoftirqd/211:20:192
7951993126,3cyclictest33-21ksoftirqd/210:41:472
7951993125,4cyclictest33-21ksoftirqd/209:16:242
7951993125,4cyclictest33-21ksoftirqd/208:34:402
7950993126,3cyclictest25-21ksoftirqd/111:20:011
7950993125,4cyclictest25-21ksoftirqd/111:05:471
7950993125,3cyclictest25-21ksoftirqd/109:35:271
795099311,2cyclictest121rcu_preempt09:30:171
795099311,2cyclictest121rcu_preempt09:30:171
7949993126,3cyclictest9-21ksoftirqd/011:10:190
7949993126,3cyclictest9-21ksoftirqd/010:43:260
7949993125,4cyclictest9-21ksoftirqd/008:37:380
139291310,0ptp4l401ktimersoftd/309:11:393
7952993025,3cyclictest41-21ksoftirqd/310:28:143
7952993025,3cyclictest41-21ksoftirqd/309:01:023
7951993024,4cyclictest33-21ksoftirqd/210:30:012
7950993025,3cyclictest25-21ksoftirqd/111:45:211
7950993025,3cyclictest25-21ksoftirqd/108:35:241
795099301,2cyclictest121rcu_preempt10:40:291
7949993016,3cyclictest9-21ksoftirqd/009:05:260
139291300,0ptp4l401ktimersoftd/310:53:433
7952992923,4cyclictest41-21ksoftirqd/308:28:153
7951992924,3cyclictest33-21ksoftirqd/208:09:412
7951992923,4cyclictest33-21ksoftirqd/209:29:452
7951992919,9cyclictest33-21ksoftirqd/211:00:232
7949992916,3cyclictest9-21ksoftirqd/008:50:110
7949992915,3cyclictest9-21ksoftirqd/009:30:000
7952992722,3cyclictest41-21ksoftirqd/307:52:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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