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2025-10-23 - 00:27
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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 Wed Oct 22, 2025 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136691219164,34phc2sys0-21swapper/307:06:463
151102207173,23sleep10-21swapper/107:06:431
132322207173,22sleep20-21swapper/207:05:032
132302204170,23sleep00-21swapper/007:05:010
136591740,1ptp4l391rcuc/307:15:153
136591740,0ptp4l391rcuc/308:24:583
136591580,9ptp4l0-21swapper/308:12:413
133391570,1getstats0-21swapper/311:48:513
136591560,1ptp4l401ktimersoftd/308:43:043
136591560,1ptp4l10810-1kworker/3:1H07:51:303
15846995524,5cyclictest9-21ksoftirqd/012:05:210
15846995424,3cyclictest9-21ksoftirqd/007:45:260
15846995318,4cyclictest9-21ksoftirqd/008:04:580
136591530,1ptp4l401ktimersoftd/309:45:223
136591530,1ptp4l0-21swapper/307:26:183
15846995221,7cyclictest9-21ksoftirqd/012:30:200
15846995124,7cyclictest9-21ksoftirqd/009:25:190
136591510,1ptp4l401ktimersoftd/308:00:103
15846995019,4cyclictest9-21ksoftirqd/008:50:180
15846995019,10cyclictest9-21ksoftirqd/012:00:190
15846994616,4cyclictest9-21ksoftirqd/008:55:310
15846994611,8cyclictest9-21ksoftirqd/010:42:280
15846994610,7cyclictest9-21ksoftirqd/012:20:180
15846994610,6cyclictest9-21ksoftirqd/010:55:000
15846994610,4cyclictest9-21ksoftirqd/007:15:260
136591460,2ptp4l0-21swapper/307:42:303
15846994519,7cyclictest9-21ksoftirqd/009:15:230
15846994517,4cyclictest9-21ksoftirqd/010:10:240
15846994513,6cyclictest9-21ksoftirqd/007:50:250
15846994512,6cyclictest9-21ksoftirqd/011:15:220
15846994511,7cyclictest9-21ksoftirqd/011:35:240
1584699449,7cyclictest9-21ksoftirqd/008:25:160
1584699449,11cyclictest9-21ksoftirqd/011:55:010
1584699448,5cyclictest9-21ksoftirqd/008:35:260
1584699447,6cyclictest9-21ksoftirqd/010:25:230
15846994439,3cyclictest23723-21sh08:35:000
15846994418,7cyclictest9-21ksoftirqd/009:05:200
15846994412,4cyclictest9-21ksoftirqd/012:10:190
15846994411,7cyclictest9-21ksoftirqd/009:45:220
15846994411,7cyclictest9-21ksoftirqd/009:40:160
15846994410,7cyclictest9-21ksoftirqd/011:05:120
15846994410,3cyclictest9-21ksoftirqd/009:30:200
15846994410,3cyclictest9-21ksoftirqd/008:10:290
1584699437,6cyclictest9-21ksoftirqd/012:25:240
1584699437,6cyclictest9-21ksoftirqd/011:55:140
1584699437,6cyclictest9-21ksoftirqd/011:25:280
1584699435,6cyclictest9-21ksoftirqd/010:35:170
1584699435,6cyclictest9-21ksoftirqd/009:20:200
1584699434,6cyclictest9-21ksoftirqd/012:15:210
15846994337,3cyclictest9-21ksoftirqd/008:45:000
15846994316,6cyclictest9-21ksoftirqd/010:50:000
15846994314,4cyclictest9-21ksoftirqd/008:47:490
15846994314,3cyclictest9-21ksoftirqd/011:46:230
15846994312,3cyclictest9-21ksoftirqd/009:35:190
1584699430,3cyclictest121rcu_preempt07:14:580
136591430,0ptp4l401ktimersoftd/308:05:003
1584699429,7cyclictest9-21ksoftirqd/011:10:230
1584699428,8cyclictest9-21ksoftirqd/008:20:150
1584699427,5cyclictest9-21ksoftirqd/007:40:160
1584699426,6cyclictest9-21ksoftirqd/010:30:180
15846994236,3cyclictest9-21ksoftirqd/007:29:580
1584699417,7cyclictest9-21ksoftirqd/011:20:170
1584699417,5cyclictest9-21ksoftirqd/009:55:180
15846994115,6cyclictest9-21ksoftirqd/010:05:220
1584699410,3cyclictest121rcu_preempt09:00:140
136591410,0ptp4l401ktimersoftd/308:49:593
15851994034,3cyclictest41-21ksoftirqd/311:20:003
1585199401,3cyclictest121rcu_preempt07:45:153
1584699404,5cyclictest9-21ksoftirqd/011:00:150
15846994010,3cyclictest9-21ksoftirqd/008:09:580
1584699400,2cyclictest121rcu_preempt12:35:270
136591400,0ptp4l401ktimersoftd/312:35:353
1585199397,5cyclictest41-21ksoftirqd/310:25:243
15851993928,9cyclictest41-21ksoftirqd/310:40:303
15851993910,3cyclictest41-21ksoftirqd/310:35:183
1584699395,5cyclictest9-21ksoftirqd/007:30:140
136591390,0ptp4l401ktimersoftd/311:35:013
15851993827,9cyclictest41-21ksoftirqd/310:15:163
1585199381,2cyclictest121rcu_preempt09:32:213
1584699381,7cyclictest9-21ksoftirqd/007:35:140
15846993812,3cyclictest9-21ksoftirqd/009:52:150
1584699380,2cyclictest121rcu_preempt10:20:000
15851993733,2cyclictest41-21ksoftirqd/311:35:003
15851993732,2cyclictest41-21ksoftirqd/308:35:003
1585199372,3cyclictest121rcu_preempt09:20:543
1585199371,8cyclictest41-21ksoftirqd/308:15:193
15850993732,3cyclictest33-21ksoftirqd/212:00:002
1585099371,2cyclictest121rcu_preempt10:28:462
1584699374,2cyclictest121rcu_preempt07:55:260
1584699371,3cyclictest121rcu_preempt11:30:280
1584699370,3cyclictest121rcu_preempt10:55:250
1584699370,3cyclictest121rcu_preempt10:55:250
1584699370,2cyclictest121rcu_preempt10:00:250
51698360,3rtkit-daemon8507-21apache209:48:541
15851993632,2cyclictest41-21ksoftirqd/312:20:003
15851993631,3cyclictest41-21ksoftirqd/311:30:003
15850993631,3cyclictest33-21ksoftirqd/209:30:582
15850993630,4cyclictest33-21ksoftirqd/210:16:252
15848993630,4cyclictest25-21ksoftirqd/109:21:011
15848993630,4cyclictest25-21ksoftirqd/109:06:281
1584699363,3cyclictest121rcu_preempt09:10:250
15846993628,2cyclictest9-21ksoftirqd/007:20:210
1585199357,3cyclictest41-21ksoftirqd/309:15:023
1585199356,5cyclictest41-21ksoftirqd/308:57:533
1585199354,8cyclictest41-21ksoftirqd/309:35:223
15851993531,3cyclictest41-21ksoftirqd/311:22:353
15851993530,3cyclictest41-21ksoftirqd/311:00:003
15851993530,3cyclictest41-21ksoftirqd/311:00:003
15851993530,3cyclictest41-21ksoftirqd/310:00:003
15851993530,2cyclictest41-21ksoftirqd/309:50:263
15851993529,4cyclictest41-21ksoftirqd/311:42:273
15851993524,9cyclictest41-21ksoftirqd/310:10:203
15851993510,2cyclictest41-21ksoftirqd/307:55:243
1585199350,10cyclictest41-21ksoftirqd/311:50:223
15850993530,4cyclictest33-21ksoftirqd/207:52:332
15850993529,4cyclictest33-21ksoftirqd/208:49:492
15850993529,4cyclictest33-21ksoftirqd/208:02:312
15848993529,4cyclictest25-21ksoftirqd/111:04:021
15848993529,4cyclictest25-21ksoftirqd/110:08:341
15848993529,4cyclictest25-21ksoftirqd/108:14:581
15848993528,4cyclictest25-21ksoftirqd/109:58:581
15846993529,3cyclictest9-21ksoftirqd/011:40:170
1585199347,3cyclictest41-21ksoftirqd/310:20:213
1585199346,3cyclictest41-21ksoftirqd/310:30:163
15851993430,3cyclictest41-21ksoftirqd/308:50:273
15851993430,2cyclictest41-21ksoftirqd/310:10:013
15851993429,4cyclictest41-21ksoftirqd/312:30:283
15851993429,2cyclictest41-21ksoftirqd/309:10:283
15851993428,4cyclictest41-21ksoftirqd/310:45:473
1585199341,7cyclictest41-21ksoftirqd/310:50:163
15850993429,3cyclictest33-21ksoftirqd/212:15:072
15850993429,3cyclictest33-21ksoftirqd/211:06:242
15850993428,4cyclictest33-21ksoftirqd/212:32:092
15850993428,4cyclictest33-21ksoftirqd/211:32:482
15850993428,4cyclictest33-21ksoftirqd/209:45:372
15850993428,4cyclictest33-21ksoftirqd/208:53:422
15850993428,4cyclictest33-21ksoftirqd/207:34:392
15848993428,4cyclictest25-21ksoftirqd/112:28:251
15848993428,4cyclictest25-21ksoftirqd/112:21:081
15848993428,4cyclictest25-21ksoftirqd/110:36:581
15848993428,4cyclictest25-21ksoftirqd/108:07:481
15848993428,4cyclictest25-21ksoftirqd/107:47:381
15848993428,4cyclictest25-21ksoftirqd/107:14:441
15848993427,5cyclictest25-21ksoftirqd/109:01:191
15848993427,4cyclictest25-21ksoftirqd/108:25:131
15846993430,2cyclictest9-21ksoftirqd/010:25:000
1584699341,2cyclictest121rcu_preempt08:15:220
1585199338,7cyclictest41-21ksoftirqd/311:10:173
1585199336,2cyclictest41-21ksoftirqd/309:00:153
1585199333,3cyclictest41-21ksoftirqd/309:25:193
15851993329,2cyclictest41-21ksoftirqd/307:32:263
15851993328,4cyclictest41-21ksoftirqd/311:05:203
15851993328,3cyclictest41-21ksoftirqd/312:08:213
15851993328,3cyclictest41-21ksoftirqd/312:00:143
15851993328,3cyclictest41-21ksoftirqd/309:05:203
15851993327,4cyclictest41-21ksoftirqd/310:01:463
1585199332,4cyclictest41-21ksoftirqd/307:20:163
1585199332,2cyclictest121rcu_preempt08:35:173
15851993322,9cyclictest41-21ksoftirqd/311:00:263
15851993320,11cyclictest41-21ksoftirqd/307:10:123
1585199330,4cyclictest41-21ksoftirqd/309:40:273
1585199330,3cyclictest121rcu_preempt11:56:463
15850993328,3cyclictest33-21ksoftirqd/210:30:112
15850993328,3cyclictest33-21ksoftirqd/209:26:312
15850993328,3cyclictest33-21ksoftirqd/207:15:222
15850993327,4cyclictest33-21ksoftirqd/212:11:032
15850993327,4cyclictest33-21ksoftirqd/212:00:112
15850993327,4cyclictest33-21ksoftirqd/210:53:202
15850993327,4cyclictest33-21ksoftirqd/209:07:102
15850993327,4cyclictest33-21ksoftirqd/208:40:542
15850993327,4cyclictest33-21ksoftirqd/208:35:332
15850993327,4cyclictest33-21ksoftirqd/208:15:552
15848993329,3cyclictest25-21ksoftirqd/109:25:051
15848993328,3cyclictest25-21ksoftirqd/111:51:191
15848993328,3cyclictest25-21ksoftirqd/108:37:351
15848993327,4cyclictest25-21ksoftirqd/111:31:101
15848993327,4cyclictest25-21ksoftirqd/110:32:011
15848993327,4cyclictest25-21ksoftirqd/110:21:541
15848993327,4cyclictest25-21ksoftirqd/110:15:521
15848993327,4cyclictest25-21ksoftirqd/109:41:181
15848993327,4cyclictest25-21ksoftirqd/107:53:321
15851993227,3cyclictest41-21ksoftirqd/312:20:193
15851993227,3cyclictest41-21ksoftirqd/312:13:193
15851993226,3cyclictest41-21ksoftirqd/307:35:173
1585199322,3cyclictest41-21ksoftirqd/312:25:253
15850993227,3cyclictest33-21ksoftirqd/212:09:382
15850993227,3cyclictest33-21ksoftirqd/211:21:002
15850993227,3cyclictest33-21ksoftirqd/207:56:112
15850993226,4cyclictest33-21ksoftirqd/212:25:592
15850993226,4cyclictest33-21ksoftirqd/210:36:512
15850993226,4cyclictest33-21ksoftirqd/207:42:412
15850993226,4cyclictest33-21ksoftirqd/207:28:582
15848993227,3cyclictest25-21ksoftirqd/110:45:261
15848993227,3cyclictest25-21ksoftirqd/108:42:581
15848993226,4cyclictest25-21ksoftirqd/111:44:581
15848993226,4cyclictest25-21ksoftirqd/111:23:281
15848993226,4cyclictest25-21ksoftirqd/107:41:561
15848993226,4cyclictest25-21ksoftirqd/107:39:281
15848993226,4cyclictest25-21ksoftirqd/107:31:211
15848993225,5cyclictest25-21ksoftirqd/111:06:191
15851993126,3cyclictest41-21ksoftirqd/308:25:203
15850993126,3cyclictest33-21ksoftirqd/211:49:122
15850993126,3cyclictest33-21ksoftirqd/211:43:372
15850993126,3cyclictest33-21ksoftirqd/210:00:002
15850993126,3cyclictest33-21ksoftirqd/207:14:352
15850993125,4cyclictest33-21ksoftirqd/211:19:382
15850993125,4cyclictest33-21ksoftirqd/209:22:182
15850993125,4cyclictest33-21ksoftirqd/209:16:462
15848993126,3cyclictest25-21ksoftirqd/110:51:581
15848993126,3cyclictest25-21ksoftirqd/107:26:551
15848993125,4cyclictest25-21ksoftirqd/112:19:401
15848993125,4cyclictest25-21ksoftirqd/111:58:341
15848993125,4cyclictest25-21ksoftirqd/109:32:281
15848993125,4cyclictest25-21ksoftirqd/108:33:511
15848993125,4cyclictest25-21ksoftirqd/108:01:221
15850993026,3cyclictest33-21ksoftirqd/210:45:562
15850993025,3cyclictest33-21ksoftirqd/211:53:142
15850993025,3cyclictest33-21ksoftirqd/208:33:182
15850993025,3cyclictest33-21ksoftirqd/208:22:332
15850993024,4cyclictest33-21ksoftirqd/211:11:412
15850993024,4cyclictest33-21ksoftirqd/209:00:482
15848993025,3cyclictest25-21ksoftirqd/112:34:401
15848993025,3cyclictest25-21ksoftirqd/110:00:351
15848993025,3cyclictest25-21ksoftirqd/109:35:481
15848993024,4cyclictest25-21ksoftirqd/112:14:351
15848993024,4cyclictest25-21ksoftirqd/110:40:561
15848993024,4cyclictest25-21ksoftirqd/107:20:501
15850992924,3cyclictest33-21ksoftirqd/212:38:042
15850992924,3cyclictest33-21ksoftirqd/210:11:042
15850992924,3cyclictest33-21ksoftirqd/210:02:222
15850992924,3cyclictest33-21ksoftirqd/209:40:272
15850992924,3cyclictest33-21ksoftirqd/208:11:042
15850992923,4cyclictest33-21ksoftirqd/211:02:152
15850992923,4cyclictest33-21ksoftirqd/209:52:152
15850992923,4cyclictest33-21ksoftirqd/209:12:592
15850992923,4cyclictest33-21ksoftirqd/208:08:012
15850992923,4cyclictest33-21ksoftirqd/207:46:182
15850992922,5cyclictest33-21ksoftirqd/210:05:442
15848992924,3cyclictest25-21ksoftirqd/111:46:581
15848992924,3cyclictest25-21ksoftirqd/111:28:521
15848992924,3cyclictest25-21ksoftirqd/111:16:441
15848992924,3cyclictest25-21ksoftirqd/110:29:061
15848992924,3cyclictest25-21ksoftirqd/110:13:021
15848992924,3cyclictest25-21ksoftirqd/109:12:051
15848992924,3cyclictest25-21ksoftirqd/108:57:371
15848992924,3cyclictest25-21ksoftirqd/108:23:401
15848992923,4cyclictest25-21ksoftirqd/112:06:201
15848992923,4cyclictest25-21ksoftirqd/111:11:191
15848992923,4cyclictest25-21ksoftirqd/108:53:411
15848992923,4cyclictest25-21ksoftirqd/107:57:371
15850992823,3cyclictest33-21ksoftirqd/212:23:312
15850992823,3cyclictest33-21ksoftirqd/210:55:332
15850992823,3cyclictest33-21ksoftirqd/210:55:322
15850992823,3cyclictest33-21ksoftirqd/210:20:562
15850992823,3cyclictest33-21ksoftirqd/207:22:012
15848992822,4cyclictest25-21ksoftirqd/112:05:011
1228922820,3sleep125-21ksoftirqd/109:15:241
15850992722,3cyclictest33-21ksoftirqd/211:27:592
15850992722,3cyclictest33-21ksoftirqd/208:59:142
15850992721,4cyclictest33-21ksoftirqd/209:36:142
15848992722,3cyclictest25-21ksoftirqd/109:54:251
15848992722,3cyclictest25-21ksoftirqd/108:45:141
15850992610,15cyclictest0-21swapper/210:41:152
15848992621,3cyclictest25-21ksoftirqd/111:39:321
15848992620,4cyclictest25-21ksoftirqd/108:19:311
15848992620,4cyclictest25-21ksoftirqd/107:16:571
15850992520,3cyclictest33-21ksoftirqd/208:26:392
15850992419,3cyclictest33-21ksoftirqd/207:39:462
15848992318,3cyclictest25-21ksoftirqd/110:56:221
15848992318,3cyclictest25-21ksoftirqd/110:56:221
15848992014,4cyclictest25-21ksoftirqd/112:37:401
15850991813,3cyclictest14265-21grep11:35:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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