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2025-11-29 - 06:34
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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 Nov 29, 2025 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50722210169,22sleep20-21swapper/219:07:532
51462208175,22sleep30-21swapper/319:08:503
51742204170,23sleep10-21swapper/119:09:121
49522203169,23sleep00-21swapper/019:06:260
52382168129,13sleep10-21swapper/119:10:021
553199643,59cyclictest31459-21kworker/2:220:10:252
136591610,1ptp4l401ktimersoftd/323:40:143
5529995926,7cyclictest9-21ksoftirqd/023:45:150
5529995826,6cyclictest9-21ksoftirqd/019:40:130
5529995820,6cyclictest9-21ksoftirqd/022:50:220
5529995727,9cyclictest9-21ksoftirqd/019:20:000
5529995725,6cyclictest9-21ksoftirqd/021:50:240
5529995724,10cyclictest9-21ksoftirqd/021:30:220
5529995625,4cyclictest9-21ksoftirqd/021:20:270
5529995623,7cyclictest9-21ksoftirqd/022:05:180
5529995524,5cyclictest9-21ksoftirqd/023:45:000
5529995519,4cyclictest9-21ksoftirqd/019:10:210
57862540,2sleep20-21swapper/221:25:002
5529995424,4cyclictest9-21ksoftirqd/022:20:230
5529995424,10cyclictest9-21ksoftirqd/023:30:250
5529995423,11cyclictest9-21ksoftirqd/023:10:000
5529995421,7cyclictest9-21ksoftirqd/020:20:000
5529995421,7cyclictest9-21ksoftirqd/020:20:000
5529995421,10cyclictest9-21ksoftirqd/021:35:230
5529995417,4cyclictest9-21ksoftirqd/019:55:180
5529995326,4cyclictest9-21ksoftirqd/022:30:230
5529995324,7cyclictest9-21ksoftirqd/022:40:150
5529995324,3cyclictest9-21ksoftirqd/019:30:170
5529995323,7cyclictest9-21ksoftirqd/022:45:260
5529995318,6cyclictest9-21ksoftirqd/020:40:170
5529995315,8cyclictest9-21ksoftirqd/020:10:280
5529995223,5cyclictest9-21ksoftirqd/000:00:170
5529995222,6cyclictest9-21ksoftirqd/000:30:150
5529995222,5cyclictest9-21ksoftirqd/022:25:230
5529995219,3cyclictest9-21ksoftirqd/020:50:170
5529995217,4cyclictest9-21ksoftirqd/023:35:270
5529995217,4cyclictest9-21ksoftirqd/019:20:240
5529995216,4cyclictest9-21ksoftirqd/021:25:230
5529995216,4cyclictest9-21ksoftirqd/021:25:230
552999505,6cyclictest9-21ksoftirqd/022:15:240
552999505,6cyclictest9-21ksoftirqd/022:00:170
5529995023,9cyclictest9-21ksoftirqd/023:00:150
5529995020,6cyclictest9-21ksoftirqd/020:20:290
552999495,6cyclictest9-21ksoftirqd/022:55:200
552999495,6cyclictest9-21ksoftirqd/022:35:130
552999494,7cyclictest9-21ksoftirqd/020:55:280
552999494,7cyclictest9-21ksoftirqd/019:45:180
5529994922,6cyclictest9-21ksoftirqd/019:50:200
5529994920,6cyclictest9-21ksoftirqd/020:30:160
5529994917,7cyclictest9-21ksoftirqd/023:10:150
51082490,2sleep20-21swapper/222:30:152
552999484,7cyclictest9-21ksoftirqd/000:25:180
552999484,6cyclictest9-21ksoftirqd/021:45:230
552999484,6cyclictest9-21ksoftirqd/020:25:220
552999484,6cyclictest9-21ksoftirqd/019:35:210
552999484,6cyclictest9-21ksoftirqd/000:20:150
552999484,6cyclictest9-21ksoftirqd/000:10:160
552999484,5cyclictest9-21ksoftirqd/023:25:240
5529994817,7cyclictest9-21ksoftirqd/023:55:130
552999474,6cyclictest9-21ksoftirqd/023:15:190
552999474,6cyclictest9-21ksoftirqd/021:15:140
552999474,6cyclictest9-21ksoftirqd/000:05:210
552999473,6cyclictest9-21ksoftirqd/023:20:210
552999473,6cyclictest9-21ksoftirqd/022:10:130
552999472,6cyclictest9-21ksoftirqd/021:10:210
552999463,6cyclictest9-21ksoftirqd/021:00:170
552999463,5cyclictest9-21ksoftirqd/020:35:250
552999462,6cyclictest9-21ksoftirqd/000:35:250
5529994616,5cyclictest9-21ksoftirqd/021:55:120
136591460,1ptp4l401ktimersoftd/323:34:173
133291460,8getstats553299cyclictest21:54:293
552999455,6cyclictest9-21ksoftirqd/021:40:220
552999455,5cyclictest9-21ksoftirqd/000:15:140
552999455,5cyclictest9-21ksoftirqd/000:15:140
552999454,6cyclictest9-21ksoftirqd/020:45:170
552999442,6cyclictest9-21ksoftirqd/020:00:120
552999436,6cyclictest9-21ksoftirqd/023:50:250
552999431,6cyclictest9-21ksoftirqd/019:25:240
552999422,5cyclictest9-21ksoftirqd/020:05:220
136591420,0ptp4l401ktimersoftd/320:36:323
51698410,2rtkit-daemon0-21swapper/121:25:121
51698410,2rtkit-daemon0-21swapper/121:25:121
51698410,10rtkit-daemon0-21swapper/120:21:391
136591410,0ptp4l401ktimersoftd/300:17:173
136591410,0ptp4l401ktimersoftd/300:17:173
5532994025,12cyclictest41-21ksoftirqd/323:40:013
553199402,36cyclictest20915-21kworker/2:223:05:082
136591400,1ptp4l401ktimersoftd/300:02:183
136591400,0ptp4l401ktimersoftd/322:28:293
553199389,6cyclictest7790-21snmpd23:30:262
552999380,9cyclictest9-21ksoftirqd/021:05:150
136591380,0ptp4l401ktimersoftd/322:46:153
136591380,0ptp4l401ktimersoftd/320:00:243
553199373,25cyclictest30191-21kworker/2:122:40:212
5531993720,14cyclictest33-21ksoftirqd/219:59:392
553199361,34cyclictest30191-21kworker/2:122:56:532
553199361,34cyclictest20915-21kworker/2:200:39:082
553199360,29cyclictest20915-21kworker/2:200:15:052
553199360,29cyclictest20915-21kworker/2:200:15:042
136591360,0ptp4l401ktimersoftd/300:20:223
5532993529,3cyclictest41-21ksoftirqd/319:40:003
553199354,19cyclictest30191-21kworker/2:122:53:412
553199353,31cyclictest17802-21kworker/2:021:46:452
553199353,30cyclictest17802-21kworker/2:021:59:332
51698350,2rtkit-daemon0-21swapper/123:59:311
5532993429,3cyclictest41-21ksoftirqd/319:35:003
553199343,29cyclictest10704-21kworker/2:119:30:132
553199342,20cyclictest20915-21kworker/2:223:13:082
553199342,20cyclictest20915-21kworker/2:223:03:322
553199341,22cyclictest17802-21kworker/2:022:00:252
5530993428,4cyclictest25-21ksoftirqd/122:50:561
5530993428,4cyclictest25-21ksoftirqd/122:20:121
5530993428,4cyclictest25-21ksoftirqd/121:16:451
5532993328,3cyclictest41-21ksoftirqd/300:40:003
5532993327,4cyclictest41-21ksoftirqd/321:37:573
5532993326,4cyclictest41-21ksoftirqd/322:42:593
5532993326,4cyclictest41-21ksoftirqd/321:14:183
553199332,30cyclictest30191-21kworker/2:122:49:092
136591330,0ptp4l401ktimersoftd/321:30:013
136591330,0ptp4l401ktimersoftd/321:30:003
5532993227,3cyclictest41-21ksoftirqd/322:20:013
5532993227,3cyclictest41-21ksoftirqd/321:20:133
5532993226,4cyclictest41-21ksoftirqd/322:37:353
5532993226,4cyclictest41-21ksoftirqd/300:05:123
5532993226,3cyclictest41-21ksoftirqd/320:55:273
553199324,21cyclictest20915-21kworker/2:200:09:532
5531993226,4cyclictest33-21ksoftirqd/223:46:212
5531993226,4cyclictest33-21ksoftirqd/222:39:492
5531993226,4cyclictest33-21ksoftirqd/219:49:442
5531993226,4cyclictest33-21ksoftirqd/219:43:312
5531993226,4cyclictest33-21ksoftirqd/200:25:572
5530993226,4cyclictest25-21ksoftirqd/123:51:381
5530993226,4cyclictest25-21ksoftirqd/121:31:091
5530993226,4cyclictest25-21ksoftirqd/120:48:131
5532993127,2cyclictest41-21ksoftirqd/322:00:013
5532993126,3cyclictest41-21ksoftirqd/322:00:193
5532993126,3cyclictest41-21ksoftirqd/320:10:283
5532993126,3cyclictest41-21ksoftirqd/319:15:133
553199313,27cyclictest20915-21kworker/2:200:33:092
5531993126,3cyclictest33-21ksoftirqd/219:20:002
5531993125,4cyclictest33-21ksoftirqd/223:18:412
5531993125,4cyclictest33-21ksoftirqd/222:09:372
5531993125,4cyclictest33-21ksoftirqd/221:44:142
5531993125,4cyclictest33-21ksoftirqd/220:55:562
5531993125,4cyclictest33-21ksoftirqd/220:30:592
5530993126,3cyclictest25-21ksoftirqd/119:40:001
5530993125,4cyclictest25-21ksoftirqd/123:01:031
5530993125,4cyclictest25-21ksoftirqd/100:25:471
5530993125,4cyclictest25-21ksoftirqd/100:09:021
136591310,1ptp4l401ktimersoftd/320:07:163
136591310,0ptp4l401ktimersoftd/323:11:413
136591310,0ptp4l401ktimersoftd/321:15:173
136591310,0ptp4l401ktimersoftd/321:01:053
136591310,0ptp4l401ktimersoftd/320:33:263
136591310,0ptp4l401ktimersoftd/320:20:103
136591310,0ptp4l401ktimersoftd/319:48:483
5532993027,2cyclictest41-21ksoftirqd/320:50:003
5532993026,3cyclictest41-21ksoftirqd/323:15:233
5532993025,3cyclictest41-21ksoftirqd/323:48:523
5532993025,3cyclictest41-21ksoftirqd/323:30:003
5532993025,3cyclictest41-21ksoftirqd/322:24:593
5532993025,3cyclictest41-21ksoftirqd/319:25:123
5532993024,4cyclictest41-21ksoftirqd/321:47:403
5532993024,4cyclictest41-21ksoftirqd/321:31:073
5532993024,4cyclictest41-21ksoftirqd/321:08:243
5532993024,4cyclictest41-21ksoftirqd/319:14:553
553199303,20cyclictest20915-21kworker/2:200:03:292
5531993025,3cyclictest33-21ksoftirqd/222:17:202
5531993024,4cyclictest33-21ksoftirqd/223:20:532
5531993024,4cyclictest33-21ksoftirqd/221:50:122
5531993024,4cyclictest33-21ksoftirqd/220:45:372
5531993024,4cyclictest33-21ksoftirqd/220:36:262
553199301,21cyclictest20915-21kworker/2:200:12:212
5530993025,3cyclictest25-21ksoftirqd/120:35:131
5530993024,4cyclictest25-21ksoftirqd/123:17:241
5530993024,4cyclictest25-21ksoftirqd/122:31:391
5530993024,4cyclictest25-21ksoftirqd/122:10:411
5530993024,4cyclictest25-21ksoftirqd/121:40:361
5530993024,4cyclictest25-21ksoftirqd/120:52:501
5530993024,4cyclictest25-21ksoftirqd/120:33:241
5530993024,4cyclictest25-21ksoftirqd/120:09:011
136591300,9ptp4l401ktimersoftd/320:15:023
136591300,9ptp4l401ktimersoftd/320:15:023
136591300,0ptp4l401ktimersoftd/323:53:503
136591300,0ptp4l401ktimersoftd/323:23:043
136591300,0ptp4l401ktimersoftd/319:56:583
136591300,0ptp4l401ktimersoftd/319:50:063
5532992926,2cyclictest41-21ksoftirqd/322:05:273
5532992924,3cyclictest41-21ksoftirqd/319:42:043
5531992923,4cyclictest33-21ksoftirqd/220:51:182
5531992923,4cyclictest33-21ksoftirqd/220:22:502
5531992922,5cyclictest33-21ksoftirqd/219:12:092
553199291,27cyclictest31459-21kworker/2:220:27:192
5530992926,2cyclictest25-21ksoftirqd/119:20:001
5530992924,3cyclictest25-21ksoftirqd/123:33:371
5530992924,3cyclictest25-21ksoftirqd/121:46:141
5530992923,4cyclictest25-21ksoftirqd/123:11:141
5530992923,4cyclictest25-21ksoftirqd/122:49:041
5530992923,4cyclictest25-21ksoftirqd/122:36:081
5530992923,4cyclictest25-21ksoftirqd/121:56:111
5530992923,4cyclictest25-21ksoftirqd/120:18:521
5530992923,4cyclictest25-21ksoftirqd/120:18:521
5530992923,4cyclictest25-21ksoftirqd/100:37:081
5530992923,4cyclictest25-21ksoftirqd/100:11:081
136591290,0ptp4l401ktimersoftd/323:55:343
5532992824,2cyclictest41-21ksoftirqd/320:50:163
5532992823,3cyclictest41-21ksoftirqd/322:30:183
5532992823,3cyclictest41-21ksoftirqd/322:10:153
5532992823,3cyclictest41-21ksoftirqd/320:45:003
5532992823,3cyclictest41-21ksoftirqd/320:25:193
5532992823,3cyclictest41-21ksoftirqd/300:28:113
5532992822,4cyclictest41-21ksoftirqd/322:57:363
5531992823,3cyclictest33-21ksoftirqd/223:50:502
5531992823,3cyclictest33-21ksoftirqd/222:28:512
5531992822,4cyclictest33-21ksoftirqd/222:12:542
5531992822,4cyclictest33-21ksoftirqd/221:06:072
5531992822,4cyclictest33-21ksoftirqd/219:25:302
5531992822,4cyclictest33-21ksoftirqd/200:22:282
5531992812,3cyclictest12262-21timerwakeupswit21:35:282
5530992823,3cyclictest25-21ksoftirqd/123:25:011
5530992823,3cyclictest25-21ksoftirqd/122:59:551
5530992823,3cyclictest25-21ksoftirqd/122:27:291
5530992823,3cyclictest25-21ksoftirqd/120:55:031
5530992823,3cyclictest25-21ksoftirqd/120:29:381
5530992822,4cyclictest25-21ksoftirqd/119:41:571
5530992821,4cyclictest25-21ksoftirqd/119:30:581
5532992722,3cyclictest41-21ksoftirqd/300:30:153
5531992722,3cyclictest33-21ksoftirqd/223:38:062
5531992722,3cyclictest33-21ksoftirqd/220:01:012
5531992720,4cyclictest33-21ksoftirqd/221:30:582
553199270,26cyclictest10704-21kworker/2:119:23:332
5530992722,3cyclictest25-21ksoftirqd/120:44:521
5530992722,3cyclictest25-21ksoftirqd/119:59:091
5530992722,3cyclictest25-21ksoftirqd/119:20:121
5530992721,4cyclictest25-21ksoftirqd/120:01:551
136591270,0ptp4l401ktimersoftd/321:40:123
5532992621,3cyclictest41-21ksoftirqd/300:11:193
5531992621,3cyclictest33-21ksoftirqd/222:22:132
5531992621,3cyclictest33-21ksoftirqd/220:18:352
5531992621,3cyclictest33-21ksoftirqd/220:18:352
5531992620,3cyclictest33-21ksoftirqd/219:51:152
5530992621,3cyclictest25-21ksoftirqd/123:35:131
5530992621,3cyclictest25-21ksoftirqd/121:10:001
5530992621,3cyclictest25-21ksoftirqd/119:45:121
5530992621,3cyclictest25-21ksoftirqd/100:16:091
5530992621,3cyclictest25-21ksoftirqd/100:16:091
5530992620,4cyclictest25-21ksoftirqd/122:16:021
5530992620,4cyclictest25-21ksoftirqd/100:33:461
136591260,0ptp4l401ktimersoftd/323:05:093
5532992520,3cyclictest41-21ksoftirqd/323:03:263
5532992520,3cyclictest41-21ksoftirqd/322:50:193
5532992520,3cyclictest41-21ksoftirqd/319:20:193
5531992520,3cyclictest33-21ksoftirqd/221:16:102
5531992520,3cyclictest33-21ksoftirqd/220:43:012
5531992520,3cyclictest33-21ksoftirqd/219:38:332
5531992519,4cyclictest33-21ksoftirqd/221:25:452
5531992519,4cyclictest33-21ksoftirqd/221:25:452
553199251,23cyclictest20915-21kworker/2:223:25:162
5530992521,3cyclictest25-21ksoftirqd/119:52:241
5530992519,4cyclictest25-21ksoftirqd/122:03:151
553199244,19cyclictest31459-21kworker/2:220:05:412
5530992420,3cyclictest25-21ksoftirqd/100:20:201
5530992419,3cyclictest25-21ksoftirqd/123:27:061
5530992419,3cyclictest25-21ksoftirqd/123:05:121
5530992419,3cyclictest25-21ksoftirqd/121:38:581
5530992419,3cyclictest25-21ksoftirqd/121:20:241
5530992419,3cyclictest25-21ksoftirqd/119:27:481
5531992318,3cyclictest33-21ksoftirqd/223:43:252
5531992317,3cyclictest33-21ksoftirqd/221:12:002
5530992318,3cyclictest25-21ksoftirqd/123:41:121
5530992318,3cyclictest25-21ksoftirqd/122:05:191
5530992318,3cyclictest25-21ksoftirqd/121:53:071
5530992318,3cyclictest25-21ksoftirqd/120:14:581
5530992318,3cyclictest25-21ksoftirqd/100:00:181
5531992217,3cyclictest33-21ksoftirqd/223:55:562
5530992218,3cyclictest25-21ksoftirqd/121:10:231
5530992217,3cyclictest25-21ksoftirqd/123:48:071
553199214,16cyclictest17802-21kworker/2:021:00:012
5530992116,3cyclictest25-21ksoftirqd/122:40:191
5530991914,3cyclictest25-21ksoftirqd/121:00:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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