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2026-06-13 - 00:43
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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 rackdslot4.osadl.org (updated Fri Jun 12, 2026 12:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591236168,23phc2sys0-21swapper/307:09:493
125072199167,21sleep20-21swapper/207:09:172
124162197164,22sleep10-21swapper/107:08:101
124472194161,21sleep00-21swapper/007:08:340
1256625839,10sleep20-21swapper/207:10:012
290482570,3sleep30-21swapper/307:40:253
138491570,1ptp4l401ktimersoftd/310:57:473
138491560,1ptp4l401ktimersoftd/310:17:263
165882520,2sleep30-21swapper/309:25:243
20742510,2sleep30-21swapper/307:50:283
138491480,24ptp4l35792irq/125-enp1s0-11:30:233
12859994716,29cyclictest0-21swapper/209:30:332
1285999450,44cyclictest0-21swapper/212:36:242
1285899430,42cyclictest0-21swapper/111:33:421
138491420,0ptp4l401ktimersoftd/308:45:303
12859994214,26cyclictest0-21swapper/209:55:232
12857994236,3cyclictest14884-21grep10:30:010
50798410,4rtkit-daemon5612-21if_enp1s011:15:152
12859994113,27cyclictest0-21swapper/207:53:442
12857994136,3cyclictest15093-21cron07:15:010
138491400,1ptp4l401ktimersoftd/308:25:373
138491400,0ptp4l401ktimersoftd/307:47:283
1285999408,30cyclictest0-21swapper/209:20:332
12859994014,24cyclictest0-21swapper/211:56:042
12859994013,26cyclictest0-21swapper/209:15:232
12859994012,27cyclictest0-21swapper/208:40:232
138491390,0ptp4l401ktimersoftd/309:35:163
1285899390,37cyclictest0-21swapper/111:57:021
12859993829,7cyclictest33-21ksoftirqd/210:12:192
12858993833,3cyclictest27171-21cron10:55:001
12859993732,3cyclictest33-21ksoftirqd/211:10:102
12859993731,4cyclictest33-21ksoftirqd/210:02:302
12859993731,4cyclictest33-21ksoftirqd/210:02:302
12859993730,5cyclictest33-21ksoftirqd/207:34:222
1285999370,2cyclictest0-21swapper/208:10:242
12858993731,4cyclictest25-21ksoftirqd/111:19:381
12858993731,4cyclictest25-21ksoftirqd/111:09:281
12858993731,4cyclictest25-21ksoftirqd/107:32:531
12858993731,3cyclictest25-21ksoftirqd/110:55:121
12857993732,3cyclictest9-21ksoftirqd/010:50:110
12857993730,4cyclictest9-21ksoftirqd/008:38:350
50798360,2rtkit-daemon0-21swapper/311:50:273
50798360,2rtkit-daemon0-21swapper/311:25:263
138491360,13ptp4l401ktimersoftd/312:25:263
12860993630,4cyclictest41-21ksoftirqd/311:49:223
12860993629,5cyclictest41-21ksoftirqd/312:11:003
12860993629,4cyclictest41-21ksoftirqd/309:21:593
1285999367,27cyclictest0-21swapper/211:50:332
1285999367,27cyclictest0-21swapper/209:05:232
1285999367,27cyclictest0-21swapper/209:05:232
12859993631,3cyclictest33-21ksoftirqd/208:39:172
12859993630,4cyclictest33-21ksoftirqd/212:15:322
12859993630,4cyclictest33-21ksoftirqd/212:15:322
12859993630,4cyclictest33-21ksoftirqd/211:26:502
12858993631,3cyclictest25-21ksoftirqd/109:45:111
12858993630,4cyclictest25-21ksoftirqd/112:03:111
12858993630,4cyclictest25-21ksoftirqd/110:04:171
12858993630,4cyclictest25-21ksoftirqd/110:04:171
12858993630,4cyclictest25-21ksoftirqd/108:32:061
12857993631,3cyclictest9-21ksoftirqd/011:56:250
138491350,0ptp4l401ktimersoftd/312:25:013
12860993530,3cyclictest41-21ksoftirqd/310:50:003
12860993530,3cyclictest41-21ksoftirqd/310:40:103
12860993530,3cyclictest41-21ksoftirqd/310:10:003
12860993530,3cyclictest41-21ksoftirqd/309:55:103
12860993529,4cyclictest41-21ksoftirqd/309:42:413
12860993529,3cyclictest41-21ksoftirqd/308:06:563
12860993528,4cyclictest41-21ksoftirqd/307:20:353
12859993530,3cyclictest33-21ksoftirqd/211:30:102
12859993529,4cyclictest33-21ksoftirqd/211:48:212
12859993529,4cyclictest33-21ksoftirqd/210:52:202
12859993529,4cyclictest33-21ksoftirqd/210:43:542
12859993529,4cyclictest33-21ksoftirqd/209:54:512
12858993531,2cyclictest25-21ksoftirqd/110:40:111
12858993530,3cyclictest25-21ksoftirqd/109:17:081
12858993529,4cyclictest25-21ksoftirqd/111:50:521
12858993529,4cyclictest25-21ksoftirqd/109:23:131
12858993529,4cyclictest25-21ksoftirqd/108:57:021
12858993529,4cyclictest25-21ksoftirqd/108:08:441
12858993529,4cyclictest25-21ksoftirqd/108:03:591
12858993529,4cyclictest25-21ksoftirqd/107:21:581
12858993528,5cyclictest25-21ksoftirqd/112:34:321
12858993528,5cyclictest25-21ksoftirqd/108:13:011
12858993528,4cyclictest25-21ksoftirqd/110:29:121
12857993529,4cyclictest9-21ksoftirqd/011:54:480
12857993529,4cyclictest9-21ksoftirqd/009:57:580
12857993529,4cyclictest9-21ksoftirqd/009:14:540
12857993529,4cyclictest9-21ksoftirqd/008:23:590
12857993528,4cyclictest9-21ksoftirqd/012:01:340
12860993429,3cyclictest41-21ksoftirqd/307:35:143
12860993428,4cyclictest41-21ksoftirqd/310:39:463
12860993428,4cyclictest41-21ksoftirqd/308:02:003
12860993428,4cyclictest41-21ksoftirqd/307:12:333
12860993428,3cyclictest41-21ksoftirqd/307:31:583
12859993429,3cyclictest33-21ksoftirqd/210:32:202
12859993429,3cyclictest33-21ksoftirqd/208:26:432
12859993428,4cyclictest33-21ksoftirqd/210:56:052
12859993428,4cyclictest33-21ksoftirqd/209:12:192
12859993428,4cyclictest33-21ksoftirqd/208:00:062
12859993428,4cyclictest33-21ksoftirqd/207:46:552
12859993427,4cyclictest33-21ksoftirqd/211:06:362
12859993418,14cyclictest33-21ksoftirqd/209:40:112
12858993429,3cyclictest25-21ksoftirqd/110:32:231
12858993429,3cyclictest25-21ksoftirqd/109:43:581
12858993429,3cyclictest25-21ksoftirqd/107:20:001
12858993428,4cyclictest25-21ksoftirqd/111:41:341
12858993428,4cyclictest25-21ksoftirqd/110:23:021
12858993428,4cyclictest25-21ksoftirqd/109:02:151
12858993427,5cyclictest25-21ksoftirqd/112:14:431
12857993429,3cyclictest9-21ksoftirqd/010:38:460
12857993429,3cyclictest9-21ksoftirqd/010:10:090
12857993429,3cyclictest9-21ksoftirqd/009:05:310
12857993429,3cyclictest9-21ksoftirqd/009:05:310
12857993429,3cyclictest9-21ksoftirqd/008:54:120
12857993429,3cyclictest9-21ksoftirqd/008:18:580
12857993428,4cyclictest9-21ksoftirqd/011:11:000
12857993428,4cyclictest9-21ksoftirqd/009:52:450
12857993428,4cyclictest9-21ksoftirqd/007:41:100
12857993428,4cyclictest9-21ksoftirqd/007:35:450
12857993428,4cyclictest9-21ksoftirqd/007:15:120
12857993427,4cyclictest9-21ksoftirqd/007:45:050
12857993426,5cyclictest9-21ksoftirqd/011:01:410
182302330,4sleep018232-21fschecks_count08:25:150
138491330,0ptp4l401ktimersoftd/310:53:273
12860993328,3cyclictest41-21ksoftirqd/310:29:353
12860993328,3cyclictest41-21ksoftirqd/310:03:423
12860993328,3cyclictest41-21ksoftirqd/310:03:423
12860993328,3cyclictest41-21ksoftirqd/307:27:383
12860993327,4cyclictest41-21ksoftirqd/312:03:293
12860993327,4cyclictest41-21ksoftirqd/311:40:033
12860993327,4cyclictest41-21ksoftirqd/311:20:403
12860993327,4cyclictest41-21ksoftirqd/309:46:263
12860993327,4cyclictest41-21ksoftirqd/309:12:443
12860993327,4cyclictest41-21ksoftirqd/308:53:223
12860993327,4cyclictest41-21ksoftirqd/308:17:283
12860993326,4cyclictest41-21ksoftirqd/309:52:283
12859993328,3cyclictest33-21ksoftirqd/211:42:412
12859993328,3cyclictest33-21ksoftirqd/209:25:112
12859993328,3cyclictest33-21ksoftirqd/208:31:012
12859993327,4cyclictest33-21ksoftirqd/212:29:452
12859993327,4cyclictest33-21ksoftirqd/210:49:432
12859993327,4cyclictest33-21ksoftirqd/210:08:022
12859993327,4cyclictest33-21ksoftirqd/208:52:572
12859993327,4cyclictest33-21ksoftirqd/208:06:202
12859993326,5cyclictest33-21ksoftirqd/207:44:492
12859993314,4cyclictest33-21ksoftirqd/211:01:082
12859993313,3cyclictest25176-21/usr/sbin/munin07:35:162
12858993328,3cyclictest25-21ksoftirqd/107:25:151
12858993327,4cyclictest25-21ksoftirqd/111:45:511
12858993327,4cyclictest25-21ksoftirqd/111:27:041
12858993327,4cyclictest25-21ksoftirqd/109:26:261
12857993328,3cyclictest9-21ksoftirqd/012:15:000
12857993328,3cyclictest9-21ksoftirqd/011:29:550
12857993328,3cyclictest9-21ksoftirqd/010:45:100
12857993328,3cyclictest9-21ksoftirqd/008:00:080
12857993327,4cyclictest9-21ksoftirqd/012:36:410
12857993327,4cyclictest9-21ksoftirqd/012:30:390
12857993327,4cyclictest9-21ksoftirqd/010:16:040
12857993327,4cyclictest9-21ksoftirqd/009:25:450
12857993327,4cyclictest9-21ksoftirqd/009:22:560
12857993327,4cyclictest9-21ksoftirqd/008:45:330
12857993326,4cyclictest9-21ksoftirqd/009:42:180
138491320,0ptp4l401ktimersoftd/307:16:253
12860993228,2cyclictest41-21ksoftirqd/312:00:003
12860993227,3cyclictest41-21ksoftirqd/311:16:043
12860993227,3cyclictest41-21ksoftirqd/310:30:173
12860993227,3cyclictest41-21ksoftirqd/309:31:553
12860993227,3cyclictest41-21ksoftirqd/307:56:543
12860993226,4cyclictest41-21ksoftirqd/310:24:493
12860993225,4cyclictest41-21ksoftirqd/308:44:123
12859993227,3cyclictest33-21ksoftirqd/212:01:162
12859993227,3cyclictest33-21ksoftirqd/209:04:222
12859993226,4cyclictest33-21ksoftirqd/211:37:502
12859993226,4cyclictest33-21ksoftirqd/211:37:502
12859993226,4cyclictest33-21ksoftirqd/210:15:582
12859993226,4cyclictest33-21ksoftirqd/209:39:192
12858993228,3cyclictest25-21ksoftirqd/108:39:161
12858993227,3cyclictest25-21ksoftirqd/108:23:201
12858993226,4cyclictest25-21ksoftirqd/112:39:301
12858993226,4cyclictest25-21ksoftirqd/109:58:401
12857993228,3cyclictest9-21ksoftirqd/011:37:250
12857993228,3cyclictest9-21ksoftirqd/011:37:250
12857993227,3cyclictest9-21ksoftirqd/012:27:380
12857993227,3cyclictest9-21ksoftirqd/010:09:370
12857993227,3cyclictest9-21ksoftirqd/009:48:070
12857993226,4cyclictest9-21ksoftirqd/012:15:170
12857993226,4cyclictest9-21ksoftirqd/012:15:170
12857993226,4cyclictest9-21ksoftirqd/011:41:120
12857993226,4cyclictest9-21ksoftirqd/009:32:470
12857993226,4cyclictest9-21ksoftirqd/008:40:080
12857993226,3cyclictest9-21ksoftirqd/007:52:230
138491310,0ptp4l401ktimersoftd/312:16:023
138491310,0ptp4l401ktimersoftd/312:16:023
12860993126,3cyclictest41-21ksoftirqd/312:06:323
12860993126,3cyclictest41-21ksoftirqd/309:19:183
12860993126,3cyclictest41-21ksoftirqd/309:03:593
12860993126,3cyclictest41-21ksoftirqd/308:38:473
12860993125,4cyclictest41-21ksoftirqd/311:04:533
12860993125,4cyclictest41-21ksoftirqd/308:58:443
12860993125,4cyclictest41-21ksoftirqd/308:32:043
12859993126,3cyclictest33-21ksoftirqd/212:07:062
12859993126,3cyclictest33-21ksoftirqd/210:36:242
12859993126,3cyclictest33-21ksoftirqd/210:22:052
12859993125,4cyclictest33-21ksoftirqd/212:11:152
12859993125,4cyclictest33-21ksoftirqd/207:25:522
12858993126,3cyclictest25-21ksoftirqd/112:09:521
12858993126,3cyclictest25-21ksoftirqd/110:11:581
12858993126,3cyclictest25-21ksoftirqd/108:51:591
12858993126,3cyclictest25-21ksoftirqd/108:27:531
12857993126,3cyclictest9-21ksoftirqd/011:49:230
12857993126,3cyclictest9-21ksoftirqd/010:58:280
12857993126,3cyclictest9-21ksoftirqd/010:41:180
12857993126,3cyclictest9-21ksoftirqd/009:38:160
12857993126,3cyclictest9-21ksoftirqd/007:20:130
12857993125,4cyclictest9-21ksoftirqd/012:06:040
12857993125,4cyclictest9-21ksoftirqd/010:23:100
12857993125,4cyclictest9-21ksoftirqd/010:00:390
12857993125,4cyclictest9-21ksoftirqd/010:00:390
12857993125,4cyclictest9-21ksoftirqd/007:59:360
12857993124,4cyclictest9-21ksoftirqd/007:30:590
50798300,2rtkit-daemon0-21swapper/311:36:343
50798300,2rtkit-daemon0-21swapper/311:36:343
12859993025,3cyclictest33-21ksoftirqd/208:58:412
12859993025,3cyclictest33-21ksoftirqd/208:19:302
12859993024,4cyclictest33-21ksoftirqd/212:24:342
12859993024,4cyclictest33-21ksoftirqd/211:20:042
12858993024,4cyclictest25-21ksoftirqd/111:14:221
12858993024,4cyclictest25-21ksoftirqd/110:19:421
12857993025,3cyclictest9-21ksoftirqd/011:21:340
12857993025,3cyclictest9-21ksoftirqd/011:18:480
12857993025,3cyclictest9-21ksoftirqd/009:17:320
12857993025,3cyclictest9-21ksoftirqd/008:56:400
12857993024,4cyclictest9-21ksoftirqd/010:32:320
138491290,1ptp4l23644-21kworker/3:108:20:433
12860992923,4cyclictest41-21ksoftirqd/311:05:453
12860992923,4cyclictest41-21ksoftirqd/308:11:463
12859992924,3cyclictest33-21ksoftirqd/208:47:102
12859992924,3cyclictest33-21ksoftirqd/207:21:482
12859992923,4cyclictest33-21ksoftirqd/208:20:562
12858992924,3cyclictest25-21ksoftirqd/107:48:091
12858992923,4cyclictest25-21ksoftirqd/109:33:431
12858992923,4cyclictest25-21ksoftirqd/109:10:421
12858992923,4cyclictest25-21ksoftirqd/108:47:481
12858992923,4cyclictest25-21ksoftirqd/107:39:391
12857992923,4cyclictest9-21ksoftirqd/009:00:420
12857992923,4cyclictest9-21ksoftirqd/008:10:370
12857992923,4cyclictest9-21ksoftirqd/007:28:270
12860992822,4cyclictest41-21ksoftirqd/311:13:193
12860992822,4cyclictest41-21ksoftirqd/310:11:573
12859992823,3cyclictest33-21ksoftirqd/212:32:212
12859992823,3cyclictest33-21ksoftirqd/207:57:072
12859992822,4cyclictest33-21ksoftirqd/209:48:462
12858992823,3cyclictest25-21ksoftirqd/108:00:001
12858992822,4cyclictest25-21ksoftirqd/112:18:321
12858992822,4cyclictest25-21ksoftirqd/112:18:321
12858992822,4cyclictest25-21ksoftirqd/107:40:311
12857992823,3cyclictest9-21ksoftirqd/011:09:170
12857992822,4cyclictest9-21ksoftirqd/011:32:420
12858992722,3cyclictest25-21ksoftirqd/112:25:121
12858992722,3cyclictest25-21ksoftirqd/110:47:131
12858992722,3cyclictest25-21ksoftirqd/109:07:141
12858992722,3cyclictest25-21ksoftirqd/109:07:141
12858992721,4cyclictest25-21ksoftirqd/112:23:221
12858992721,4cyclictest25-21ksoftirqd/111:00:421
12858992721,4cyclictest25-21ksoftirqd/110:35:061
12858992721,4cyclictest25-21ksoftirqd/107:15:001
12860992621,3cyclictest41-21ksoftirqd/312:40:003
12858992621,3cyclictest25-21ksoftirqd/107:53:221
12858992620,4cyclictest25-21ksoftirqd/109:39:581
12858992619,4cyclictest25-21ksoftirqd/111:20:511
12857992621,3cyclictest9-21ksoftirqd/012:21:470
12857992620,3cyclictest9-21ksoftirqd/008:05:010
138491250,0ptp4l401ktimersoftd/312:30:253
12858992520,3cyclictest25-21ksoftirqd/109:50:411
12858992520,3cyclictest25-21ksoftirqd/108:15:121
12859992419,3cyclictest33-21ksoftirqd/210:26:472
12858992418,4cyclictest25-21ksoftirqd/108:44:381
12858992418,3cyclictest25-21ksoftirqd/111:40:001
12858992418,3cyclictest25-21ksoftirqd/111:39:591
138491230,0ptp4l401ktimersoftd/309:05:143
138491230,0ptp4l401ktimersoftd/309:05:143
1285999230,2cyclictest0-21swapper/207:16:322
12857992318,3cyclictest9-21ksoftirqd/008:33:160
12858992216,4cyclictest25-21ksoftirqd/110:05:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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