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2025-12-08 - 19:36
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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 Mon Dec 08, 2025 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8682205171,22sleep10-21swapper/107:07:081
137191204169,23phc2sys0-21swapper/307:06:143
13002203170,22sleep20-21swapper/207:09:182
8102197164,22sleep00-21swapper/007:06:230
33621660,5sleep2167299cyclictest09:20:202
136991730,1ptp4l391rcuc/310:10:243
136991730,1ptp4l391rcuc/310:10:243
136991550,1ptp4l401ktimersoftd/309:31:483
48022530,2sleep30-21swapper/308:20:273
1671995143,5cyclictest31563-21sh11:35:001
136991480,0ptp4l401ktimersoftd/312:05:003
136991470,38ptp4l0-21swapper/307:10:013
136991460,1ptp4l401ktimersoftd/309:39:573
136991450,1ptp4l401ktimersoftd/312:01:483
44832440,1sleep00-21swapper/007:15:130
136991430,1ptp4l401ktimersoftd/308:50:373
1672994237,3cyclictest33-21ksoftirqd/208:59:322
136991420,0ptp4l401ktimersoftd/311:31:443
136991420,0ptp4l401ktimersoftd/310:42:103
1670994136,3cyclictest28136-21cron08:05:000
136991410,0ptp4l401ktimersoftd/312:29:293
136991410,0ptp4l401ktimersoftd/308:45:153
1670994035,3cyclictest23207-21cron12:25:010
136991400,0ptp4l401ktimersoftd/310:30:533
1672993926,11cyclictest33-21ksoftirqd/212:04:592
136991380,0ptp4l401ktimersoftd/308:40:193
136991380,0ptp4l401ktimersoftd/308:40:193
1672993731,4cyclictest33-21ksoftirqd/211:02:412
1672993731,3cyclictest33-21ksoftirqd/211:10:002
1671993733,3cyclictest25-21ksoftirqd/111:40:011
1673993630,4cyclictest41-21ksoftirqd/309:40:473
1673993630,4cyclictest41-21ksoftirqd/309:40:473
1672993631,3cyclictest33-21ksoftirqd/211:00:002
1672993631,3cyclictest33-21ksoftirqd/208:10:002
1672993630,4cyclictest33-21ksoftirqd/211:53:432
1672993630,4cyclictest33-21ksoftirqd/211:25:002
1672993630,4cyclictest33-21ksoftirqd/208:29:332
1671993629,4cyclictest25-21ksoftirqd/107:35:131
1671993629,4cyclictest25-21ksoftirqd/107:19:551
263352351,3sleep1121rcu_preempt12:30:191
1673993530,3cyclictest41-21ksoftirqd/311:50:013
1673993529,4cyclictest41-21ksoftirqd/309:27:113
1673993529,4cyclictest41-21ksoftirqd/307:48:583
1673993529,4cyclictest41-21ksoftirqd/307:37:153
1672993530,3cyclictest33-21ksoftirqd/212:39:112
1672993530,3cyclictest33-21ksoftirqd/212:34:592
1672993529,4cyclictest33-21ksoftirqd/211:32:092
1672993529,4cyclictest33-21ksoftirqd/209:48:442
1672993529,4cyclictest33-21ksoftirqd/207:59:162
1671993529,4cyclictest25-21ksoftirqd/110:00:111
1671993529,4cyclictest25-21ksoftirqd/107:49:041
1671993529,4cyclictest25-21ksoftirqd/107:41:421
1670993531,2cyclictest2912-21sshd08:19:580
1673993429,3cyclictest41-21ksoftirqd/310:18:383
1673993428,4cyclictest41-21ksoftirqd/311:28:023
1672993428,4cyclictest33-21ksoftirqd/211:36:222
1672993428,4cyclictest33-21ksoftirqd/210:51:582
1672993428,4cyclictest33-21ksoftirqd/208:24:032
1671993430,2cyclictest17248-21cron11:04:591
1671993429,3cyclictest25-21ksoftirqd/107:25:121
1671993428,4cyclictest25-21ksoftirqd/112:22:431
1671993428,4cyclictest25-21ksoftirqd/110:21:401
1671993427,4cyclictest25-21ksoftirqd/109:30:001
1670993429,3cyclictest9-21ksoftirqd/011:05:520
1670993428,4cyclictest9-21ksoftirqd/012:36:060
1670993428,4cyclictest9-21ksoftirqd/011:48:250
1670993428,4cyclictest9-21ksoftirqd/011:39:010
1670993428,4cyclictest9-21ksoftirqd/008:07:280
1670993428,4cyclictest9-21ksoftirqd/007:14:490
136991340,0ptp4l401ktimersoftd/311:35:203
1673993327,4cyclictest41-21ksoftirqd/310:02:053
1673993327,4cyclictest41-21ksoftirqd/307:28:203
1673993326,5cyclictest41-21ksoftirqd/309:06:333
1672993328,3cyclictest33-21ksoftirqd/207:37:352
1672993327,4cyclictest33-21ksoftirqd/211:27:162
1672993327,4cyclictest33-21ksoftirqd/210:30:142
1672993327,4cyclictest33-21ksoftirqd/208:52:262
1672993327,4cyclictest33-21ksoftirqd/208:33:222
1672993327,4cyclictest33-21ksoftirqd/207:25:462
1672993327,4cyclictest33-21ksoftirqd/207:18:362
1672993327,4cyclictest33-21ksoftirqd/207:11:022
1671993327,4cyclictest25-21ksoftirqd/110:40:461
1671993327,4cyclictest25-21ksoftirqd/110:27:131
1671993327,4cyclictest25-21ksoftirqd/110:18:281
1671993327,4cyclictest25-21ksoftirqd/109:46:181
1671993327,4cyclictest25-21ksoftirqd/108:04:441
1671993327,4cyclictest25-21ksoftirqd/107:55:371
1671993327,4cyclictest25-21ksoftirqd/107:20:401
1670993327,4cyclictest9-21ksoftirqd/011:16:020
136991330,0ptp4l401ktimersoftd/310:45:203
1673993227,3cyclictest41-21ksoftirqd/307:56:333
1673993226,4cyclictest41-21ksoftirqd/310:23:023
1673993226,4cyclictest41-21ksoftirqd/309:54:463
1673993226,4cyclictest41-21ksoftirqd/309:03:203
1673993226,4cyclictest41-21ksoftirqd/307:52:573
1673993226,4cyclictest41-21ksoftirqd/307:33:463
1673993225,4cyclictest41-21ksoftirqd/307:41:483
1672993227,3cyclictest33-21ksoftirqd/211:40:092
1672993227,3cyclictest33-21ksoftirqd/209:51:572
1672993227,3cyclictest33-21ksoftirqd/207:31:302
1672993226,4cyclictest33-21ksoftirqd/211:15:562
1672993226,4cyclictest33-21ksoftirqd/210:43:202
1672993226,4cyclictest33-21ksoftirqd/208:15:572
1672993226,4cyclictest33-21ksoftirqd/208:10:312
1672993226,4cyclictest33-21ksoftirqd/208:10:302
1671993227,3cyclictest25-21ksoftirqd/111:45:001
1671993226,4cyclictest25-21ksoftirqd/109:15:531
1671993226,4cyclictest25-21ksoftirqd/109:10:391
1671993226,4cyclictest25-21ksoftirqd/109:10:391
1671993225,5cyclictest25-21ksoftirqd/107:52:131
1670993227,3cyclictest9-21ksoftirqd/012:00:590
1670993227,3cyclictest9-21ksoftirqd/010:18:540
1670993227,3cyclictest9-21ksoftirqd/010:07:310
1670993227,3cyclictest9-21ksoftirqd/009:39:420
1670993227,3cyclictest9-21ksoftirqd/009:26:470
1670993226,4cyclictest9-21ksoftirqd/011:27:500
1670993226,4cyclictest9-21ksoftirqd/011:24:010
1670993226,4cyclictest9-21ksoftirqd/010:50:520
1670993226,4cyclictest9-21ksoftirqd/010:41:570
1670993226,4cyclictest9-21ksoftirqd/009:31:410
1670993226,4cyclictest9-21ksoftirqd/009:16:320
1670993226,4cyclictest9-21ksoftirqd/008:35:320
1670993226,4cyclictest9-21ksoftirqd/007:33:220
1670993226,4cyclictest9-21ksoftirqd/007:29:570
1670993226,4cyclictest9-21ksoftirqd/007:21:430
136991320,0ptp4l401ktimersoftd/310:37:593
136991320,0ptp4l401ktimersoftd/308:02:363
1673993127,3cyclictest41-21ksoftirqd/310:25:203
1673993126,3cyclictest41-21ksoftirqd/309:23:493
1673993126,3cyclictest41-21ksoftirqd/308:16:063
1673993126,3cyclictest41-21ksoftirqd/307:15:373
1673993125,4cyclictest41-21ksoftirqd/312:37:023
1673993125,4cyclictest41-21ksoftirqd/312:14:223
1673993125,4cyclictest41-21ksoftirqd/311:55:463
1673993125,4cyclictest41-21ksoftirqd/309:56:503
1673993125,4cyclictest41-21ksoftirqd/308:36:233
1673993125,4cyclictest41-21ksoftirqd/308:34:503
1673993125,3cyclictest41-21ksoftirqd/311:09:283
1672993126,3cyclictest33-21ksoftirqd/208:42:092
1672993126,3cyclictest33-21ksoftirqd/208:42:092
1672993125,4cyclictest33-21ksoftirqd/212:14:382
1672993125,4cyclictest33-21ksoftirqd/212:06:312
1672993125,4cyclictest33-21ksoftirqd/211:45:012
1672993125,4cyclictest33-21ksoftirqd/210:47:492
1672993125,4cyclictest33-21ksoftirqd/210:35:092
1672993125,4cyclictest33-21ksoftirqd/210:11:092
1672993125,4cyclictest33-21ksoftirqd/210:11:092
1672993117,12cyclictest33-21ksoftirqd/210:20:002
1671993125,4cyclictest25-21ksoftirqd/112:16:331
1671993125,4cyclictest25-21ksoftirqd/111:51:351
1671993125,4cyclictest25-21ksoftirqd/109:58:451
1671993125,4cyclictest25-21ksoftirqd/108:47:211
1671993125,4cyclictest25-21ksoftirqd/108:08:421
1671993125,4cyclictest25-21ksoftirqd/107:30:061
1670993126,3cyclictest9-21ksoftirqd/008:34:550
1670993126,3cyclictest9-21ksoftirqd/007:57:500
1670993125,4cyclictest9-21ksoftirqd/009:52:030
1670993125,4cyclictest9-21ksoftirqd/008:40:420
1670993125,4cyclictest9-21ksoftirqd/008:40:420
1670993125,4cyclictest9-21ksoftirqd/007:49:110
1673993025,3cyclictest41-21ksoftirqd/309:13:513
1673993025,3cyclictest41-21ksoftirqd/309:13:513
1673993025,3cyclictest41-21ksoftirqd/308:06:363
1673993024,4cyclictest41-21ksoftirqd/310:07:063
1672993024,4cyclictest33-21ksoftirqd/209:06:522
1672993023,4cyclictest33-21ksoftirqd/212:29:182
1672993023,4cyclictest33-21ksoftirqd/211:13:252
1671993025,3cyclictest25-21ksoftirqd/108:52:091
1671993024,4cyclictest25-21ksoftirqd/111:16:041
1671993024,4cyclictest25-21ksoftirqd/111:05:441
1671993024,4cyclictest25-21ksoftirqd/109:02:131
1671993024,4cyclictest25-21ksoftirqd/108:14:591
1671993024,4cyclictest25-21ksoftirqd/108:14:591
1671993023,5cyclictest25-21ksoftirqd/111:29:281
1671993023,4cyclictest25-21ksoftirqd/109:38:041
1670993025,3cyclictest9-21ksoftirqd/010:56:220
1670993025,3cyclictest9-21ksoftirqd/009:44:080
1670993025,3cyclictest9-21ksoftirqd/009:44:080
1670993025,3cyclictest9-21ksoftirqd/009:06:010
1670993025,3cyclictest9-21ksoftirqd/008:52:080
1670993024,4cyclictest9-21ksoftirqd/012:33:090
1670993024,4cyclictest9-21ksoftirqd/010:46:590
1670993024,4cyclictest9-21ksoftirqd/010:22:280
1670993024,4cyclictest9-21ksoftirqd/009:22:020
1670993024,4cyclictest9-21ksoftirqd/008:10:490
1670993024,4cyclictest9-21ksoftirqd/008:10:490
1670993024,4cyclictest9-21ksoftirqd/007:54:160
136991300,0ptp4l401ktimersoftd/312:17:223
136991300,0ptp4l401ktimersoftd/311:42:223
136991300,0ptp4l401ktimersoftd/311:11:063
136991300,0ptp4l401ktimersoftd/310:53:553
136991300,0ptp4l401ktimersoftd/309:46:533
136991300,0ptp4l401ktimersoftd/309:15:173
1673992923,4cyclictest41-21ksoftirqd/311:50:563
1673992923,4cyclictest41-21ksoftirqd/311:23:283
1673992923,4cyclictest41-21ksoftirqd/307:22:463
1672992924,3cyclictest33-21ksoftirqd/209:29:182
1672992924,3cyclictest33-21ksoftirqd/207:50:582
1672992922,5cyclictest33-21ksoftirqd/209:11:532
1672992922,5cyclictest33-21ksoftirqd/209:11:532
1672992922,4cyclictest33-21ksoftirqd/208:02:252
1671992924,3cyclictest25-21ksoftirqd/110:52:341
1671992923,4cyclictest25-21ksoftirqd/112:05:351
1671992923,4cyclictest25-21ksoftirqd/111:47:171
1671992923,4cyclictest25-21ksoftirqd/111:12:351
1671992923,4cyclictest25-21ksoftirqd/109:52:401
1671992923,4cyclictest25-21ksoftirqd/108:40:311
1671992923,4cyclictest25-21ksoftirqd/108:40:311
1671992922,5cyclictest25-21ksoftirqd/110:14:221
1671992922,5cyclictest25-21ksoftirqd/110:14:221
1671992922,5cyclictest25-21ksoftirqd/109:34:551
1671992922,4cyclictest25-21ksoftirqd/109:00:001
1670992924,3cyclictest9-21ksoftirqd/012:11:560
1670992924,3cyclictest9-21ksoftirqd/009:11:430
1670992924,3cyclictest9-21ksoftirqd/009:11:430
1670992924,3cyclictest9-21ksoftirqd/008:45:510
1670992923,4cyclictest9-21ksoftirqd/011:44:070
1670992923,4cyclictest9-21ksoftirqd/011:31:110
1670992923,4cyclictest9-21ksoftirqd/011:00:150
1670992923,4cyclictest9-21ksoftirqd/010:39:410
1670992923,4cyclictest9-21ksoftirqd/010:27:130
1670992923,4cyclictest9-21ksoftirqd/009:04:050
1670992923,4cyclictest9-21ksoftirqd/008:59:190
1670992923,4cyclictest9-21ksoftirqd/007:43:450
1673992823,3cyclictest41-21ksoftirqd/311:01:133
1673992823,3cyclictest41-21ksoftirqd/308:28:103
1673992823,3cyclictest41-21ksoftirqd/308:14:173
1673992823,3cyclictest41-21ksoftirqd/308:14:173
1673992822,4cyclictest41-21ksoftirqd/312:20:443
1673992822,4cyclictest41-21ksoftirqd/310:55:513
1671992823,3cyclictest25-21ksoftirqd/109:42:041
1671992823,3cyclictest25-21ksoftirqd/109:42:041
1671992823,3cyclictest25-21ksoftirqd/108:22:251
1671992822,3cyclictest25-21ksoftirqd/111:20:141
1671992822,3cyclictest25-21ksoftirqd/108:27:271
1671992821,5cyclictest25-21ksoftirqd/110:48:481
1671992820,5cyclictest25-21ksoftirqd/110:09:091
1670992823,3cyclictest9-21ksoftirqd/012:15:130
1670992823,3cyclictest9-21ksoftirqd/011:55:100
1670992823,3cyclictest9-21ksoftirqd/008:28:490
1670992823,3cyclictest9-21ksoftirqd/007:37:480
1670992822,4cyclictest9-21ksoftirqd/009:58:210
1670992822,4cyclictest9-21ksoftirqd/008:22:130
136991280,0ptp4l401ktimersoftd/312:31:443
136991280,0ptp4l401ktimersoftd/308:56:383
1673992722,3cyclictest41-21ksoftirqd/311:16:453
1672992721,4cyclictest33-21ksoftirqd/210:00:472
1672992721,4cyclictest33-21ksoftirqd/209:42:252
1672992721,4cyclictest33-21ksoftirqd/209:42:252
1672992721,4cyclictest33-21ksoftirqd/209:36:372
1671992722,3cyclictest25-21ksoftirqd/112:40:011
1671992722,3cyclictest25-21ksoftirqd/112:00:001
1671992722,3cyclictest25-21ksoftirqd/110:37:321
1671992721,4cyclictest25-21ksoftirqd/112:15:001
1671992721,3cyclictest25-21ksoftirqd/108:38:571
1672992622,3cyclictest33-21ksoftirqd/212:20:232
1672992622,3cyclictest33-21ksoftirqd/210:20:212
1672992622,3cyclictest33-21ksoftirqd/207:20:142
1672992621,3cyclictest33-21ksoftirqd/208:36:052
1672992620,4cyclictest33-21ksoftirqd/210:08:052
1672992620,4cyclictest33-21ksoftirqd/207:46:242
1672992619,4cyclictest33-21ksoftirqd/208:46:132
1671992620,4cyclictest25-21ksoftirqd/109:24:521
1670992621,3cyclictest9-21ksoftirqd/010:13:360
1670992621,3cyclictest9-21ksoftirqd/010:13:360
1670992621,3cyclictest9-21ksoftirqd/009:45:050
1670992620,4cyclictest9-21ksoftirqd/010:02:220
1672992520,3cyclictest33-21ksoftirqd/212:20:012
1672992520,3cyclictest33-21ksoftirqd/210:26:242
1672992520,3cyclictest33-21ksoftirqd/209:56:542
1672992520,3cyclictest33-21ksoftirqd/209:02:572
1672992519,4cyclictest33-21ksoftirqd/209:15:382
1671992520,3cyclictest25-21ksoftirqd/108:16:401
1671992519,4cyclictest25-21ksoftirqd/108:31:071
1671992518,5cyclictest25-21ksoftirqd/112:25:101
1670992519,4cyclictest9-21ksoftirqd/012:26:310
1672992419,3cyclictest33-21ksoftirqd/211:58:272
1672992419,3cyclictest33-21ksoftirqd/207:40:212
1671992418,4cyclictest25-21ksoftirqd/110:59:391
1671992417,5cyclictest25-21ksoftirqd/110:31:221
1670992419,3cyclictest9-21ksoftirqd/012:08:050
1670992419,3cyclictest9-21ksoftirqd/011:10:460
1670992417,5cyclictest9-21ksoftirqd/010:30:060
1670992317,4cyclictest9-21ksoftirqd/011:53:010
1671992218,3cyclictest25-21ksoftirqd/107:10:191
1672992116,3cyclictest33-21ksoftirqd/209:33:052
1671992116,3cyclictest25-21ksoftirqd/112:02:581
1671992115,3cyclictest25-21ksoftirqd/109:05:321
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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