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2026-01-01 - 20:12
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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 rackdslot3.osadl.org (updated Thu Jan 01, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
46442203170,22sleep20-21swapper/207:09:472
46012198165,22sleep30-21swapper/307:09:173
46402196163,22sleep00-21swapper/007:09:450
45992196163,22sleep10-21swapper/107:09:151
139391450,0ptp4l401ktimersoftd/310:40:223
139391440,0ptp4l401ktimersoftd/310:09:433
139391420,0ptp4l401ktimersoftd/312:24:153
139391420,0ptp4l401ktimersoftd/310:25:113
139391420,0ptp4l401ktimersoftd/309:26:403
139391420,0ptp4l401ktimersoftd/309:20:273
139391400,2ptp4l401ktimersoftd/307:43:503
139391400,0ptp4l401ktimersoftd/307:20:293
57898390,7rtkit-daemon0-21swapper/107:27:231
4958993933,3cyclictest9-21ksoftirqd/009:10:000
4960993833,3cyclictest33-21ksoftirqd/209:15:262
4959993831,4cyclictest25-21ksoftirqd/107:40:101
139391380,18ptp4l17032-21/usr/sbin/munin12:05:243
57898370,7rtkit-daemon0-21swapper/008:51:480
57898370,7rtkit-daemon0-21swapper/008:26:530
4961993731,4cyclictest41-21ksoftirqd/312:32:523
4960993733,2cyclictest33-21ksoftirqd/209:30:002
4959993732,3cyclictest25-21ksoftirqd/112:15:001
4959993732,3cyclictest25-21ksoftirqd/110:05:001
4959993730,4cyclictest25-21ksoftirqd/109:10:291
4958993732,3cyclictest9-21ksoftirqd/007:30:220
4958993731,3cyclictest9-21ksoftirqd/008:40:010
102052370,1sleep20-21swapper/210:40:272
4961993630,4cyclictest41-21ksoftirqd/311:05:083
4961993630,4cyclictest41-21ksoftirqd/310:52:363
4961993630,4cyclictest41-21ksoftirqd/308:35:043
4961993629,3cyclictest41-21ksoftirqd/309:45:303
4959993631,3cyclictest25-21ksoftirqd/112:40:001
4959993631,3cyclictest25-21ksoftirqd/112:25:001
4959993631,3cyclictest25-21ksoftirqd/109:44:591
4959993631,3cyclictest25-21ksoftirqd/107:20:011
4959993630,4cyclictest25-21ksoftirqd/110:31:281
4959993630,4cyclictest25-21ksoftirqd/109:08:081
4959993630,4cyclictest25-21ksoftirqd/108:52:111
4959993630,4cyclictest25-21ksoftirqd/107:49:591
4958993631,3cyclictest9-21ksoftirqd/009:20:000
4961993530,3cyclictest41-21ksoftirqd/310:55:113
4961993530,3cyclictest41-21ksoftirqd/309:00:273
4961993530,3cyclictest41-21ksoftirqd/308:27:463
4961993529,4cyclictest41-21ksoftirqd/310:30:123
496199351,2cyclictest121rcu_preempt10:24:343
4960993530,3cyclictest33-21ksoftirqd/210:34:552
4960993529,4cyclictest33-21ksoftirqd/211:28:532
4960993528,5cyclictest33-21ksoftirqd/210:50:342
4959993530,3cyclictest25-21ksoftirqd/110:55:001
4959993530,3cyclictest25-21ksoftirqd/110:40:201
4959993530,3cyclictest25-21ksoftirqd/108:55:191
4959993530,3cyclictest25-21ksoftirqd/107:20:131
4959993529,4cyclictest25-21ksoftirqd/110:36:091
4958993529,4cyclictest9-21ksoftirqd/012:32:420
4958993529,4cyclictest9-21ksoftirqd/008:41:120
4958993528,5cyclictest9-21ksoftirqd/007:24:050
4961993429,3cyclictest41-21ksoftirqd/311:50:413
4961993429,3cyclictest41-21ksoftirqd/307:35:113
4961993428,4cyclictest41-21ksoftirqd/312:15:083
4961993428,4cyclictest41-21ksoftirqd/312:01:033
4961993428,4cyclictest41-21ksoftirqd/311:39:213
4961993428,4cyclictest41-21ksoftirqd/309:18:343
4961993428,4cyclictest41-21ksoftirqd/307:53:403
4960993429,3cyclictest33-21ksoftirqd/212:40:012
4960993429,3cyclictest33-21ksoftirqd/211:05:452
4960993429,3cyclictest33-21ksoftirqd/211:05:002
4960993429,3cyclictest33-21ksoftirqd/210:16:432
4960993429,3cyclictest33-21ksoftirqd/207:47:492
4960993428,4cyclictest33-21ksoftirqd/209:11:222
4960993428,4cyclictest33-21ksoftirqd/208:38:372
4960993427,5cyclictest33-21ksoftirqd/207:27:452
4959993430,3cyclictest25-21ksoftirqd/110:50:001
4959993429,3cyclictest25-21ksoftirqd/112:10:001
4959993429,3cyclictest25-21ksoftirqd/111:30:171
4959993429,3cyclictest25-21ksoftirqd/108:24:551
4959993428,4cyclictest25-21ksoftirqd/111:52:591
4959993428,4cyclictest25-21ksoftirqd/107:55:151
4959993428,3cyclictest25-21ksoftirqd/109:20:011
4959993427,3cyclictest25-21ksoftirqd/110:20:231
4958993429,3cyclictest9-21ksoftirqd/008:05:180
4958993428,4cyclictest9-21ksoftirqd/009:34:140
139391340,0ptp4l401ktimersoftd/309:07:433
4961993327,4cyclictest41-21ksoftirqd/311:59:473
4961993327,4cyclictest41-21ksoftirqd/310:45:383
4961993327,4cyclictest41-21ksoftirqd/308:45:593
4961993327,4cyclictest41-21ksoftirqd/308:31:033
4961993327,4cyclictest41-21ksoftirqd/308:20:403
4961993327,4cyclictest41-21ksoftirqd/307:59:183
4960993327,4cyclictest33-21ksoftirqd/212:22:532
4960993327,4cyclictest33-21ksoftirqd/212:14:392
4960993327,4cyclictest33-21ksoftirqd/211:58:462
4960993327,4cyclictest33-21ksoftirqd/208:06:592
4960993327,4cyclictest33-21ksoftirqd/208:02:302
4960993322,9cyclictest33-21ksoftirqd/211:20:172
4959993328,3cyclictest25-21ksoftirqd/107:15:011
4959993327,4cyclictest25-21ksoftirqd/112:26:531
4959993327,4cyclictest25-21ksoftirqd/109:58:141
4959993327,4cyclictest25-21ksoftirqd/109:26:211
4959993327,3cyclictest25-21ksoftirqd/111:25:001
495999332,28cyclictest2001-21kworker/1:107:30:151
4959993321,10cyclictest25-21ksoftirqd/109:45:231
4958993328,3cyclictest9-21ksoftirqd/011:26:070
4958993327,4cyclictest9-21ksoftirqd/010:37:210
4958993327,4cyclictest9-21ksoftirqd/008:56:000
4958993327,4cyclictest9-21ksoftirqd/007:53:380
4958993327,4cyclictest9-21ksoftirqd/007:42:110
4958993327,4cyclictest9-21ksoftirqd/007:16:260
139391330,0ptp4l401ktimersoftd/308:05:273
4961993227,3cyclictest41-21ksoftirqd/312:40:013
4961993226,4cyclictest41-21ksoftirqd/311:34:243
4961993226,4cyclictest41-21ksoftirqd/311:02:033
4960993226,4cyclictest33-21ksoftirqd/212:19:002
4960993226,4cyclictest33-21ksoftirqd/212:05:122
4960993226,4cyclictest33-21ksoftirqd/210:56:442
4960993226,4cyclictest33-21ksoftirqd/210:39:112
4960993226,4cyclictest33-21ksoftirqd/210:04:492
4960993226,4cyclictest33-21ksoftirqd/209:57:232
4960993226,4cyclictest33-21ksoftirqd/209:24:132
4960993226,4cyclictest33-21ksoftirqd/209:04:362
4959993227,3cyclictest25-21ksoftirqd/111:38:251
4959993227,3cyclictest25-21ksoftirqd/111:02:131
4959993227,3cyclictest25-21ksoftirqd/107:39:591
4959993226,4cyclictest25-21ksoftirqd/112:15:111
4959993226,4cyclictest25-21ksoftirqd/112:03:431
4959993226,4cyclictest25-21ksoftirqd/111:46:461
4959993226,4cyclictest25-21ksoftirqd/111:27:241
4959993226,4cyclictest25-21ksoftirqd/111:07:341
4959993226,4cyclictest25-21ksoftirqd/110:08:251
4959993226,4cyclictest25-21ksoftirqd/108:09:561
4958993227,3cyclictest9-21ksoftirqd/012:05:110
4958993227,3cyclictest9-21ksoftirqd/010:55:450
4958993227,3cyclictest9-21ksoftirqd/010:40:110
4958993227,3cyclictest9-21ksoftirqd/007:36:490
4958993226,4cyclictest9-21ksoftirqd/011:49:050
4958993226,4cyclictest9-21ksoftirqd/011:40:390
4958993226,4cyclictest9-21ksoftirqd/009:39:320
4958993226,4cyclictest9-21ksoftirqd/008:18:440
4958993225,5cyclictest9-21ksoftirqd/011:05:000
495899320,2cyclictest121rcu_preempt08:20:220
139391320,0ptp4l401ktimersoftd/308:54:143
57898310,2rtkit-daemon577-21rtkit-daemon12:25:272
4961993126,3cyclictest41-21ksoftirqd/312:10:223
4961993126,3cyclictest41-21ksoftirqd/311:25:113
4961993126,3cyclictest41-21ksoftirqd/309:43:283
4961993126,3cyclictest41-21ksoftirqd/308:57:283
4961993125,4cyclictest41-21ksoftirqd/310:01:253
4961993125,4cyclictest41-21ksoftirqd/308:41:383
4961993125,3cyclictest41-21ksoftirqd/309:55:143
496099319,19cyclictest33-21ksoftirqd/209:50:012
4960993127,2cyclictest33-21ksoftirqd/208:40:162
4960993126,3cyclictest33-21ksoftirqd/211:40:012
4960993126,3cyclictest33-21ksoftirqd/211:35:002
4960993126,3cyclictest33-21ksoftirqd/211:19:432
4960993126,3cyclictest33-21ksoftirqd/210:21:342
4960993125,4cyclictest33-21ksoftirqd/210:10:002
4960993125,4cyclictest33-21ksoftirqd/209:40:072
4960993125,4cyclictest33-21ksoftirqd/208:56:062
4960993125,4cyclictest33-21ksoftirqd/208:30:112
4960993125,4cyclictest33-21ksoftirqd/207:43:092
4960993119,3cyclictest33-21ksoftirqd/209:53:132
4960993119,10cyclictest33-21ksoftirqd/208:45:252
4960993118,10cyclictest33-21ksoftirqd/207:35:282
4959993126,3cyclictest25-21ksoftirqd/109:05:001
4959993125,4cyclictest25-21ksoftirqd/109:36:281
4959993125,3cyclictest25-21ksoftirqd/109:50:201
4959993124,4cyclictest25-21ksoftirqd/112:00:001
4959993118,9cyclictest25-21ksoftirqd/112:30:251
4958993126,3cyclictest9-21ksoftirqd/010:20:000
4958993126,3cyclictest9-21ksoftirqd/009:13:520
4958993125,4cyclictest9-21ksoftirqd/012:22:270
4958993125,4cyclictest9-21ksoftirqd/011:31:280
4958993125,4cyclictest9-21ksoftirqd/009:50:560
4958993125,4cyclictest9-21ksoftirqd/009:40:490
4958993125,4cyclictest9-21ksoftirqd/008:00:510
139391310,9ptp4l401ktimersoftd/308:15:213
139391310,8ptp4l0-21swapper/311:43:233
139391310,0ptp4l401ktimersoftd/311:14:503
139391310,0ptp4l401ktimersoftd/309:10:543
139391310,0ptp4l401ktimersoftd/307:11:383
4961993024,4cyclictest41-21ksoftirqd/310:16:263
4960993025,3cyclictest33-21ksoftirqd/207:51:172
4960993024,4cyclictest33-21ksoftirqd/210:27:002
4959993024,4cyclictest25-21ksoftirqd/109:20:401
4959993024,4cyclictest25-21ksoftirqd/107:52:221
4959993024,3cyclictest25-21ksoftirqd/111:15:191
4959993024,3cyclictest25-21ksoftirqd/110:10:131
4959993023,4cyclictest25-21ksoftirqd/108:00:041
4958993026,3cyclictest9-21ksoftirqd/011:20:000
4958993025,3cyclictest9-21ksoftirqd/012:27:160
4958993025,3cyclictest9-21ksoftirqd/009:48:420
4958993025,3cyclictest9-21ksoftirqd/008:35:000
4958993024,4cyclictest9-21ksoftirqd/012:36:310
4958993024,4cyclictest9-21ksoftirqd/011:37:500
4958993024,4cyclictest9-21ksoftirqd/010:52:530
4958993024,4cyclictest9-21ksoftirqd/010:09:240
139391300,0ptp4l401ktimersoftd/312:26:463
139391300,0ptp4l401ktimersoftd/311:46:293
139391300,0ptp4l401ktimersoftd/310:36:143
139391300,0ptp4l401ktimersoftd/308:02:123
139391300,0ptp4l401ktimersoftd/307:29:583
139391300,0ptp4l401ktimersoftd/307:15:183
4961992924,3cyclictest41-21ksoftirqd/311:20:493
4961992923,4cyclictest41-21ksoftirqd/310:14:103
4960992924,3cyclictest33-21ksoftirqd/211:51:032
4960992924,3cyclictest33-21ksoftirqd/209:30:192
4960992924,3cyclictest33-21ksoftirqd/208:53:022
4960992924,3cyclictest33-21ksoftirqd/208:20:252
4960992924,3cyclictest33-21ksoftirqd/208:10:102
4960992923,4cyclictest33-21ksoftirqd/210:12:552
4960992923,4cyclictest33-21ksoftirqd/207:31:502
4960992923,3cyclictest33-21ksoftirqd/207:59:582
4959992924,3cyclictest25-21ksoftirqd/110:57:061
4959992924,3cyclictest25-21ksoftirqd/110:25:141
4959992924,3cyclictest25-21ksoftirqd/108:26:441
4959992923,4cyclictest25-21ksoftirqd/110:17:371
4959992923,4cyclictest25-21ksoftirqd/108:41:001
4959992923,4cyclictest25-21ksoftirqd/108:35:421
4959992923,3cyclictest25-21ksoftirqd/111:44:151
4958992924,3cyclictest9-21ksoftirqd/012:15:370
4958992924,3cyclictest9-21ksoftirqd/011:10:470
4958992924,3cyclictest9-21ksoftirqd/010:33:380
4958992924,3cyclictest9-21ksoftirqd/010:28:460
4958992924,3cyclictest9-21ksoftirqd/009:57:210
4958992924,3cyclictest9-21ksoftirqd/007:47:440
4958992923,4cyclictest9-21ksoftirqd/011:50:420
4958992923,4cyclictest9-21ksoftirqd/011:21:290
4958992923,4cyclictest9-21ksoftirqd/008:47:380
4958992923,4cyclictest9-21ksoftirqd/008:14:590
139391290,0ptp4l401ktimersoftd/311:15:593
139391290,0ptp4l401ktimersoftd/308:10:493
139391290,0ptp4l401ktimersoftd/307:32:433
4961992823,3cyclictest41-21ksoftirqd/307:45:103
4960992816,10cyclictest33-21ksoftirqd/208:25:282
4959992823,3cyclictest25-21ksoftirqd/111:15:001
4959992823,3cyclictest25-21ksoftirqd/108:30:211
4959992822,4cyclictest25-21ksoftirqd/108:19:351
4958992823,3cyclictest9-21ksoftirqd/010:11:010
4958992822,4cyclictest9-21ksoftirqd/009:20:580
4958992822,4cyclictest9-21ksoftirqd/007:11:490
139391280,0ptp4l401ktimersoftd/309:32:473
4960992723,3cyclictest33-21ksoftirqd/209:35:222
4960992722,3cyclictest33-21ksoftirqd/209:09:402
4960992722,3cyclictest33-21ksoftirqd/208:15:212
4960992722,3cyclictest33-21ksoftirqd/207:24:462
4960992721,4cyclictest33-21ksoftirqd/212:01:352
4959992723,2cyclictest25-21ksoftirqd/109:30:291
4959992722,3cyclictest25-21ksoftirqd/108:13:441
4958992722,3cyclictest9-21ksoftirqd/010:03:270
4958992721,4cyclictest9-21ksoftirqd/009:26:040
4961992620,3cyclictest41-21ksoftirqd/309:50:513
4960992621,3cyclictest33-21ksoftirqd/210:49:282
4960992621,3cyclictest33-21ksoftirqd/207:15:072
4960992620,3cyclictest33-21ksoftirqd/211:10:132
4960992616,9cyclictest33-21ksoftirqd/207:10:192
4960992614,9cyclictest33-21ksoftirqd/211:45:282
4958992622,3cyclictest9-21ksoftirqd/010:21:430
4958992621,3cyclictest9-21ksoftirqd/010:49:550
4958992621,3cyclictest9-21ksoftirqd/007:58:580
4958992620,4cyclictest9-21ksoftirqd/011:05:330
4960992520,3cyclictest33-21ksoftirqd/211:44:112
4958992520,3cyclictest9-21ksoftirqd/009:00:160
4959992418,3cyclictest25-21ksoftirqd/108:50:001
4958992419,3cyclictest9-21ksoftirqd/007:26:260
4958992418,4cyclictest9-21ksoftirqd/011:57:040
139391240,0ptp4l401ktimersoftd/309:35:213
4958992318,3cyclictest9-21ksoftirqd/012:10:010
4960992216,3cyclictest33-21ksoftirqd/212:35:012
4958992014,3cyclictest9-21ksoftirqd/012:00:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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