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2026-06-23 - 19:28
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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 Tue Jun 23, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491233168,22phc2sys0-21swapper/307:09:223
267862206171,24sleep20-21swapper/207:09:012
266942205171,23sleep00-21swapper/007:07:550
266362202169,22sleep10-21swapper/107:07:111
2407721420,6sleep12733299cyclictest11:30:231
134491720,6getstats2733899cyclictest11:34:543
228852600,7sleep2321ktimersoftd/209:15:162
139391570,1ptp4l401ktimersoftd/308:09:533
139391540,1ptp4l401ktimersoftd/307:15:153
139391540,1ptp4l391rcuc/308:50:423
139391540,1ptp4l391rcuc/308:50:413
139391470,1ptp4l401ktimersoftd/311:58:233
57898450,2rtkit-daemon577-21rtkit-daemon08:50:171
57898450,2rtkit-daemon577-21rtkit-daemon08:50:161
27336994439,3cyclictest13950-21sh10:05:002
1394914433,5phc2sys0-21swapper/307:10:013
1394914433,5phc2sys0-21swapper/307:10:003
139391440,0ptp4l401ktimersoftd/307:49:153
139391430,0ptp4l401ktimersoftd/309:52:533
139391430,0ptp4l401ktimersoftd/309:52:533
139391410,0ptp4l401ktimersoftd/310:35:133
139391410,0ptp4l401ktimersoftd/308:56:453
27336994034,3cyclictest33-21ksoftirqd/210:19:592
27336994029,9cyclictest33-21ksoftirqd/208:25:202
27331994035,3cyclictest9-21ksoftirqd/008:40:010
27331993934,3cyclictest9-21ksoftirqd/007:30:000
27331993933,3cyclictest9-21ksoftirqd/009:20:000
27336993833,3cyclictest33-21ksoftirqd/210:35:002
27336993828,8cyclictest33-21ksoftirqd/210:55:132
27336993825,11cyclictest33-21ksoftirqd/211:15:462
27338993731,4cyclictest41-21ksoftirqd/307:21:453
27336993732,3cyclictest33-21ksoftirqd/210:50:002
2733699370,5cyclictest7872-21ls09:50:212
2733699370,5cyclictest7872-21ls09:50:202
27332993731,3cyclictest25-21ksoftirqd/110:00:001
27332993730,4cyclictest25-21ksoftirqd/109:26:311
27331993732,3cyclictest9-21ksoftirqd/011:55:170
27331993732,3cyclictest9-21ksoftirqd/010:00:010
27338993631,3cyclictest41-21ksoftirqd/310:06:323
27338993630,4cyclictest41-21ksoftirqd/309:49:073
27338993630,4cyclictest41-21ksoftirqd/307:27:303
27336993630,4cyclictest33-21ksoftirqd/212:05:142
27336993630,4cyclictest33-21ksoftirqd/209:43:252
27336993630,3cyclictest33-21ksoftirqd/211:10:202
27336993629,4cyclictest33-21ksoftirqd/208:47:582
27336993611,5cyclictest33-21ksoftirqd/209:45:242
27332993630,4cyclictest25-21ksoftirqd/111:43:551
27332993629,5cyclictest25-21ksoftirqd/107:57:011
27331993632,2cyclictest9-21ksoftirqd/010:40:000
27331993632,2cyclictest9-21ksoftirqd/007:15:010
27331993632,2cyclictest9-21ksoftirqd/007:15:000
27331993631,3cyclictest9-21ksoftirqd/010:55:000
27331993631,3cyclictest9-21ksoftirqd/010:55:000
27331993630,4cyclictest9-21ksoftirqd/010:49:220
139391360,0ptp4l401ktimersoftd/308:25:173
27338993530,3cyclictest41-21ksoftirqd/311:42:373
27338993530,3cyclictest41-21ksoftirqd/310:43:043
27338993529,4cyclictest41-21ksoftirqd/311:50:513
27338993529,4cyclictest41-21ksoftirqd/311:26:443
27338993529,3cyclictest41-21ksoftirqd/312:35:113
27338993528,5cyclictest41-21ksoftirqd/308:47:303
27336993530,3cyclictest33-21ksoftirqd/209:30:002
27336993530,3cyclictest33-21ksoftirqd/208:45:002
27336993530,2cyclictest33-21ksoftirqd/208:15:002
27336993529,4cyclictest33-21ksoftirqd/208:33:042
27336993529,4cyclictest33-21ksoftirqd/207:44:182
27336993529,3cyclictest33-21ksoftirqd/211:35:012
27332993530,3cyclictest25-21ksoftirqd/112:19:381
27332993529,4cyclictest25-21ksoftirqd/111:39:451
27332993529,4cyclictest25-21ksoftirqd/111:02:021
27332993529,4cyclictest25-21ksoftirqd/110:57:171
27332993529,4cyclictest25-21ksoftirqd/108:00:381
27332993528,5cyclictest25-21ksoftirqd/110:05:001
27332993528,4cyclictest25-21ksoftirqd/107:22:121
2733299352,2cyclictest121rcu_preempt08:17:151
27331993530,3cyclictest9-21ksoftirqd/009:15:000
27331993530,3cyclictest9-21ksoftirqd/008:10:150
27331993530,2cyclictest9-21ksoftirqd/012:30:140
139391350,0ptp4l401ktimersoftd/310:31:173
139391350,0ptp4l401ktimersoftd/309:40:233
139391350,0ptp4l401ktimersoftd/308:40:113
27338993429,3cyclictest41-21ksoftirqd/308:11:573
27338993429,3cyclictest11497-21latency_hist07:45:013
27338993428,4cyclictest41-21ksoftirqd/311:22:383
27338993428,4cyclictest41-21ksoftirqd/311:00:003
27338993428,4cyclictest41-21ksoftirqd/309:00:373
27336993430,3cyclictest33-21ksoftirqd/210:10:142
27336993429,3cyclictest33-21ksoftirqd/207:45:302
27336993429,2cyclictest33-21ksoftirqd/209:02:082
27336993428,4cyclictest33-21ksoftirqd/208:39:472
27336993426,6cyclictest33-21ksoftirqd/208:06:372
27336993426,5cyclictest33-21ksoftirqd/207:35:122
27332993429,3cyclictest25-21ksoftirqd/109:13:581
27332993429,3cyclictest25-21ksoftirqd/107:18:581
27332993428,4cyclictest25-21ksoftirqd/111:13:541
27332993428,4cyclictest25-21ksoftirqd/110:30:011
27332993428,4cyclictest25-21ksoftirqd/109:54:311
27332993428,4cyclictest25-21ksoftirqd/109:54:311
27332993428,4cyclictest25-21ksoftirqd/109:09:301
27332993428,4cyclictest25-21ksoftirqd/108:27:021
27332993427,4cyclictest25-21ksoftirqd/108:56:261
27332993427,4cyclictest25-21ksoftirqd/108:40:091
27331993430,3cyclictest9-21ksoftirqd/008:30:000
27331993430,2cyclictest9-21ksoftirqd/009:05:010
27331993429,3cyclictest9-21ksoftirqd/011:28:580
27331993429,3cyclictest9-21ksoftirqd/009:40:000
27331993429,3cyclictest9-21ksoftirqd/009:30:200
27331993429,3cyclictest9-21ksoftirqd/009:30:000
27331993429,3cyclictest9-21ksoftirqd/007:35:140
27331993428,4cyclictest9-21ksoftirqd/012:25:380
2733199340,3cyclictest121rcu_preempt07:45:000
139391340,1ptp4l391rcuc/312:05:173
139391340,0ptp4l401ktimersoftd/309:09:373
27338993328,3cyclictest41-21ksoftirqd/312:19:063
27338993327,4cyclictest41-21ksoftirqd/311:49:503
27338993327,4cyclictest41-21ksoftirqd/311:19:303
27338993327,4cyclictest41-21ksoftirqd/309:25:363
27338993327,4cyclictest41-21ksoftirqd/307:53:193
27338993327,4cyclictest41-21ksoftirqd/307:31:553
27336993330,2cyclictest33-21ksoftirqd/207:15:182
27336993328,3cyclictest33-21ksoftirqd/212:40:002
27336993328,3cyclictest33-21ksoftirqd/212:23:032
27336993328,3cyclictest33-21ksoftirqd/211:50:182
27336993327,4cyclictest33-21ksoftirqd/212:31:332
27336993327,4cyclictest33-21ksoftirqd/207:51:122
27336993327,3cyclictest33-21ksoftirqd/208:00:592
27336993326,4cyclictest33-21ksoftirqd/210:41:582
27336993322,9cyclictest33-21ksoftirqd/211:45:132
27332993328,3cyclictest25-21ksoftirqd/112:32:211
27332993328,3cyclictest25-21ksoftirqd/112:25:111
27332993328,3cyclictest25-21ksoftirqd/111:45:391
27332993328,3cyclictest25-21ksoftirqd/107:36:461
27332993328,3cyclictest25-21ksoftirqd/107:31:401
27332993327,4cyclictest25-21ksoftirqd/112:22:101
27332993327,4cyclictest25-21ksoftirqd/110:22:391
27332993327,4cyclictest25-21ksoftirqd/109:32:241
27332993327,4cyclictest25-21ksoftirqd/109:21:251
27332993327,4cyclictest25-21ksoftirqd/108:12:531
27332993326,4cyclictest25-21ksoftirqd/110:14:381
27331993329,2cyclictest9-21ksoftirqd/010:30:000
27331993329,2cyclictest9-21ksoftirqd/008:40:130
27331993328,3cyclictest9-21ksoftirqd/012:15:180
27331993328,3cyclictest9-21ksoftirqd/012:09:590
27331993328,3cyclictest9-21ksoftirqd/011:40:010
27331993328,3cyclictest9-21ksoftirqd/010:10:270
27331993328,3cyclictest9-21ksoftirqd/010:00:120
27331993328,3cyclictest9-21ksoftirqd/009:45:000
27331993328,3cyclictest9-21ksoftirqd/008:45:220
27331993327,4cyclictest9-21ksoftirqd/011:13:040
27331993327,4cyclictest9-21ksoftirqd/008:34:270
27331993327,4cyclictest9-21ksoftirqd/007:46:330
27331993327,3cyclictest9-21ksoftirqd/007:50:190
27338993227,3cyclictest41-21ksoftirqd/308:31:533
27338993227,3cyclictest41-21ksoftirqd/308:19:383
27338993226,4cyclictest41-21ksoftirqd/310:02:473
27338993226,4cyclictest41-21ksoftirqd/308:39:513
27336993229,2cyclictest33-21ksoftirqd/212:15:182
27336993227,3cyclictest33-21ksoftirqd/212:26:302
27336993227,3cyclictest33-21ksoftirqd/211:25:172
27336993227,3cyclictest33-21ksoftirqd/209:05:302
27336993222,9cyclictest33-21ksoftirqd/208:55:142
27336993220,10cyclictest33-21ksoftirqd/210:25:292
27332993226,4cyclictest25-21ksoftirqd/110:25:081
27332993226,4cyclictest25-21ksoftirqd/110:17:501
27332993226,4cyclictest25-21ksoftirqd/107:44:131
27331993228,3cyclictest9-21ksoftirqd/010:10:000
27331993228,2cyclictest9-21ksoftirqd/011:20:170
27331993228,2cyclictest9-21ksoftirqd/009:25:000
27331993228,2cyclictest9-21ksoftirqd/008:55:110
27331993228,2cyclictest9-21ksoftirqd/008:20:000
27331993227,3cyclictest9-21ksoftirqd/012:15:000
27331993227,3cyclictest9-21ksoftirqd/011:00:000
27331993227,3cyclictest9-21ksoftirqd/010:30:130
27331993227,3cyclictest9-21ksoftirqd/008:24:280
27331993227,3cyclictest9-21ksoftirqd/007:17:070
27331993226,4cyclictest9-21ksoftirqd/010:41:310
27331993226,4cyclictest9-21ksoftirqd/009:09:330
139391320,0ptp4l401ktimersoftd/311:04:533
139391320,0ptp4l401ktimersoftd/310:13:433
27338993126,3cyclictest41-21ksoftirqd/311:15:003
27338993126,3cyclictest41-21ksoftirqd/310:27:223
27338993125,4cyclictest41-21ksoftirqd/309:56:253
27338993125,4cyclictest41-21ksoftirqd/309:31:423
27338993125,4cyclictest41-21ksoftirqd/309:21:273
27338993125,4cyclictest41-21ksoftirqd/307:37:413
27338993124,4cyclictest41-21ksoftirqd/310:15:143
27336993128,2cyclictest33-21ksoftirqd/210:50:212
27336993128,2cyclictest33-21ksoftirqd/210:50:202
27336993127,2cyclictest33-21ksoftirqd/209:32:112
27336993126,3cyclictest33-21ksoftirqd/212:10:032
27336993126,3cyclictest33-21ksoftirqd/211:45:002
27336993126,3cyclictest33-21ksoftirqd/210:20:132
27336993126,3cyclictest33-21ksoftirqd/209:55:122
27336993125,4cyclictest33-21ksoftirqd/207:34:402
27336993120,9cyclictest33-21ksoftirqd/211:35:182
27336993120,9cyclictest33-21ksoftirqd/210:05:192
27336993120,9cyclictest33-21ksoftirqd/208:15:242
27332993126,3cyclictest25-21ksoftirqd/111:57:091
27332993126,3cyclictest25-21ksoftirqd/110:41:381
27332993126,3cyclictest25-21ksoftirqd/109:01:041
27332993125,4cyclictest25-21ksoftirqd/110:39:041
27332993125,4cyclictest25-21ksoftirqd/109:49:411
27332993125,4cyclictest25-21ksoftirqd/108:24:461
27332993125,4cyclictest25-21ksoftirqd/107:53:411
27331993128,2cyclictest9-21ksoftirqd/011:45:260
27331993126,3cyclictest9-21ksoftirqd/009:48:200
27331993126,3cyclictest9-21ksoftirqd/008:51:230
27331993126,3cyclictest9-21ksoftirqd/008:51:230
27331993126,3cyclictest9-21ksoftirqd/008:05:000
27331993126,3cyclictest9-21ksoftirqd/007:30:140
27331993126,2cyclictest9-21ksoftirqd/012:40:000
27331993125,4cyclictest9-21ksoftirqd/012:00:110
27331993125,4cyclictest9-21ksoftirqd/011:01:130
27331993125,4cyclictest9-21ksoftirqd/010:21:180
27331993125,3cyclictest9-21ksoftirqd/008:05:140
27331993124,4cyclictest9-21ksoftirqd/011:51:120
139391310,0ptp4l401ktimersoftd/312:30:243
139391310,0ptp4l401ktimersoftd/308:00:153
27338993025,3cyclictest41-21ksoftirqd/310:21:053
27338993024,4cyclictest41-21ksoftirqd/309:36:203
27336993025,3cyclictest33-21ksoftirqd/207:55:122
27336993024,4cyclictest33-21ksoftirqd/209:35:342
27336993020,9cyclictest33-21ksoftirqd/211:05:232
27336993019,9cyclictest33-21ksoftirqd/207:20:232
27332993025,3cyclictest25-21ksoftirqd/111:27:231
27332993024,4cyclictest25-21ksoftirqd/112:07:371
27332993024,4cyclictest25-21ksoftirqd/112:02:321
27332993023,4cyclictest25-21ksoftirqd/109:43:121
27331993026,3cyclictest9-21ksoftirqd/009:51:380
27331993026,3cyclictest9-21ksoftirqd/009:51:380
27331993025,3cyclictest9-21ksoftirqd/011:09:160
27331993024,4cyclictest9-21ksoftirqd/011:33:020
2733199301,2cyclictest121rcu_preempt11:15:250
27338992924,3cyclictest41-21ksoftirqd/311:38:353
27336992924,3cyclictest33-21ksoftirqd/211:20:172
27336992924,3cyclictest33-21ksoftirqd/209:22:102
27336992924,3cyclictest33-21ksoftirqd/208:21:382
27336992922,5cyclictest33-21ksoftirqd/211:55:242
27336992918,9cyclictest33-21ksoftirqd/208:50:232
27336992918,9cyclictest33-21ksoftirqd/208:50:232
2733699291,2cyclictest121rcu_preempt11:00:282
27332992924,3cyclictest25-21ksoftirqd/111:21:441
27332992924,3cyclictest25-21ksoftirqd/111:15:121
27332992924,3cyclictest25-21ksoftirqd/111:09:301
27332992923,4cyclictest25-21ksoftirqd/112:12:071
27332992923,4cyclictest25-21ksoftirqd/111:50:101
27332992923,4cyclictest25-21ksoftirqd/110:48:351
27331992925,2cyclictest9-21ksoftirqd/007:20:170
27331992924,3cyclictest9-21ksoftirqd/010:15:140
139391290,0ptp4l401ktimersoftd/310:50:233
139391290,0ptp4l401ktimersoftd/310:50:233
139391290,0ptp4l401ktimersoftd/308:24:203
27338992823,3cyclictest41-21ksoftirqd/309:15:003
27338992822,4cyclictest41-21ksoftirqd/312:28:013
27338992822,4cyclictest41-21ksoftirqd/312:11:533
27336992825,2cyclictest33-21ksoftirqd/210:35:132
27336992823,3cyclictest33-21ksoftirqd/207:25:512
27336992822,4cyclictest33-21ksoftirqd/209:11:112
27336992821,5cyclictest33-21ksoftirqd/212:00:042
27332992824,3cyclictest25-21ksoftirqd/112:35:181
27332992823,3cyclictest25-21ksoftirqd/110:06:051
27332992823,3cyclictest25-21ksoftirqd/109:18:541
27332992822,4cyclictest25-21ksoftirqd/108:31:471
27332992821,5cyclictest25-21ksoftirqd/107:27:001
27331992823,3cyclictest9-21ksoftirqd/012:20:520
27331992822,4cyclictest9-21ksoftirqd/007:57:360
27338992722,3cyclictest41-21ksoftirqd/309:15:113
27338992721,4cyclictest41-21ksoftirqd/307:55:103
27332992722,3cyclictest25-21ksoftirqd/108:45:271
27332992721,4cyclictest25-21ksoftirqd/108:05:361
27331992723,2cyclictest9-21ksoftirqd/011:40:270
27338992620,4cyclictest41-21ksoftirqd/311:09:193
27332992621,3cyclictest25-21ksoftirqd/109:39:301
27332992620,4cyclictest25-21ksoftirqd/107:11:321
27332992620,4cyclictest25-21ksoftirqd/107:11:311
139391260,0ptp4l401ktimersoftd/312:20:143
27338992520,3cyclictest41-21ksoftirqd/310:47:363
27336992520,3cyclictest33-21ksoftirqd/207:11:242
27336992520,3cyclictest33-21ksoftirqd/207:11:232
27332992419,3cyclictest25-21ksoftirqd/107:49:061
27332992418,4cyclictest25-21ksoftirqd/108:36:161
139391240,0ptp4l401ktimersoftd/312:00:213
27332992315,5cyclictest25-21ksoftirqd/110:52:241
27332992315,5cyclictest25-21ksoftirqd/110:52:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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