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2026-06-05 - 20:00
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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 792 highest latencies:
System rackdslot4.osadl.org (updated Fri Jun 05, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591206173,22phc2sys0-21swapper/307:08:083
45422205172,22sleep20-21swapper/207:06:492
46482200167,22sleep10-21swapper/107:08:121
45402200167,22sleep00-21swapper/007:06:470
1221621630,6sleep3509199cyclictest09:35:003
262621580,3sleep3509199cyclictest11:25:123
5088996130,3cyclictest9-21ksoftirqd/012:35:270
57402600,1sleep10-21swapper/112:35:191
5088995821,8cyclictest9-21ksoftirqd/008:19:520
5088995729,3cyclictest9-21ksoftirqd/010:30:150
138491570,0ptp4l401ktimersoftd/312:25:153
5088995626,4cyclictest9-21ksoftirqd/011:15:130
5088995626,4cyclictest9-21ksoftirqd/007:15:270
5088995522,7cyclictest9-21ksoftirqd/010:50:170
5088995522,4cyclictest9-21ksoftirqd/007:35:190
5088995518,6cyclictest9-21ksoftirqd/012:15:250
5088995428,6cyclictest9-21ksoftirqd/010:20:260
5088995425,3cyclictest9-21ksoftirqd/007:30:200
5088995423,6cyclictest9-21ksoftirqd/011:55:160
5088995423,6cyclictest9-21ksoftirqd/008:05:270
5088995422,4cyclictest9-21ksoftirqd/009:30:160
5088995421,9cyclictest9-21ksoftirqd/008:30:250
5088995418,5cyclictest9-21ksoftirqd/009:25:230
5088995324,7cyclictest9-21ksoftirqd/010:40:200
5088995324,5cyclictest9-21ksoftirqd/009:54:310
5088995323,6cyclictest9-21ksoftirqd/009:45:560
5088995321,7cyclictest9-21ksoftirqd/010:05:140
5088995321,4cyclictest9-21ksoftirqd/009:40:170
5088995319,7cyclictest9-21ksoftirqd/008:20:230
5088995318,3cyclictest9-21ksoftirqd/010:45:130
5088995317,6cyclictest9-21ksoftirqd/010:10:140
5088995317,5cyclictest9-21ksoftirqd/011:40:130
5088995317,5cyclictest9-21ksoftirqd/009:35:250
5088995316,5cyclictest9-21ksoftirqd/011:45:230
5088995226,7cyclictest9-21ksoftirqd/009:25:010
5088995225,6cyclictest9-21ksoftirqd/008:50:000
5088995224,3cyclictest9-21ksoftirqd/007:10:260
5088995223,6cyclictest9-21ksoftirqd/011:50:210
5088995223,3cyclictest9-21ksoftirqd/010:01:000
5088995220,3cyclictest9-21ksoftirqd/012:05:190
5088995217,6cyclictest9-21ksoftirqd/007:50:200
5088995217,5cyclictest9-21ksoftirqd/008:40:140
5088995216,7cyclictest9-21ksoftirqd/011:10:260
5088995214,6cyclictest9-21ksoftirqd/007:40:170
5088995213,6cyclictest9-21ksoftirqd/012:20:260
5088995123,3cyclictest9-21ksoftirqd/008:25:130
5088995121,6cyclictest9-21ksoftirqd/008:50:230
5088995118,6cyclictest9-21ksoftirqd/012:30:000
5088995117,6cyclictest9-21ksoftirqd/007:20:230
5088995114,6cyclictest9-21ksoftirqd/011:00:160
5088995024,6cyclictest9-21ksoftirqd/010:35:250
5088995022,3cyclictest9-21ksoftirqd/010:59:250
5088995021,4cyclictest9-21ksoftirqd/011:32:050
5088995021,3cyclictest9-21ksoftirqd/012:13:550
5088995018,3cyclictest9-21ksoftirqd/009:00:180
5088995017,7cyclictest9-21ksoftirqd/009:10:000
5088995017,5cyclictest9-21ksoftirqd/009:10:110
5088995012,6cyclictest9-21ksoftirqd/008:10:130
5088994913,5cyclictest9-21ksoftirqd/012:30:220
138491490,0ptp4l401ktimersoftd/308:45:243
508899489,4cyclictest9-21ksoftirqd/009:15:290
508899472,3cyclictest9-21ksoftirqd/011:25:140
5088994717,3cyclictest9-21ksoftirqd/009:55:240
508899471,3cyclictest9-21ksoftirqd/011:05:270
5088994617,5cyclictest9-21ksoftirqd/010:25:130
508899461,3cyclictest9-21ksoftirqd/010:15:130
509099450,43cyclictest0-21swapper/210:10:332
508899453,3cyclictest9-21ksoftirqd/012:00:110
5088994516,6cyclictest9-21ksoftirqd/007:55:230
5088994516,3cyclictest9-21ksoftirqd/011:20:150
5088994433,2cyclictest9-21ksoftirqd/007:25:270
508899442,3cyclictest121rcu_preempt08:55:130
5088994411,5cyclictest9-21ksoftirqd/007:45:140
508899440,3cyclictest9-21ksoftirqd/008:00:210
5091994332,8cyclictest41-21ksoftirqd/308:00:183
508899431,2cyclictest9-21ksoftirqd/008:35:250
138491430,0ptp4l401ktimersoftd/310:40:173
134991430,7getstats509199cyclictest08:13:343
5088994236,3cyclictest9-21ksoftirqd/011:40:000
138491420,0ptp4l401ktimersoftd/310:05:173
138491420,0ptp4l401ktimersoftd/307:55:123
138491420,0ptp4l401ktimersoftd/307:40:233
5091994136,3cyclictest41-21ksoftirqd/308:55:013
5091994135,3cyclictest41-21ksoftirqd/310:05:003
5091994134,4cyclictest41-21ksoftirqd/312:40:003
5089994035,3cyclictest25-21ksoftirqd/111:59:591
5089994034,3cyclictest17404-21latency_hist07:35:011
5091993934,2cyclictest41-21ksoftirqd/309:15:263
5091993928,3cyclictest41-21ksoftirqd/312:30:233
5091993927,9cyclictest41-21ksoftirqd/307:25:133
5089993934,3cyclictest25-21ksoftirqd/107:40:011
508999391,35cyclictest32108-21sshd11:18:591
508999390,37cyclictest0-21swapper/109:41:231
138491390,0ptp4l401ktimersoftd/307:50:243
5091993834,2cyclictest41-21ksoftirqd/309:00:013
5091993833,3cyclictest41-21ksoftirqd/310:15:223
5091993832,3cyclictest41-21ksoftirqd/312:25:003
5091993832,3cyclictest41-21ksoftirqd/310:30:003
5089993832,3cyclictest25-21ksoftirqd/112:20:011
5091993731,4cyclictest41-21ksoftirqd/308:37:433
5091993730,4cyclictest41-21ksoftirqd/309:54:543
5091993725,10cyclictest41-21ksoftirqd/309:55:243
5091993723,12cyclictest27540-1kworker/3:2H11:50:183
5090993730,4cyclictest33-21ksoftirqd/212:18:552
5090993730,4cyclictest33-21ksoftirqd/209:45:022
5090993730,4cyclictest33-21ksoftirqd/209:15:132
5090993730,4cyclictest33-21ksoftirqd/207:43:592
5090993730,4cyclictest14638-21grep11:50:012
5089993731,4cyclictest25-21ksoftirqd/111:26:591
5089993730,4cyclictest22323-21awk07:45:011
138491370,0ptp4l401ktimersoftd/308:40:113
5091993632,2cyclictest41-21ksoftirqd/311:35:193
5091993632,2cyclictest41-21ksoftirqd/311:15:193
5091993631,3cyclictest41-21ksoftirqd/311:55:123
5091993631,3cyclictest41-21ksoftirqd/310:24:593
5091993630,4cyclictest41-21ksoftirqd/307:15:393
5091993630,3cyclictest41-21ksoftirqd/312:00:223
5091993630,3cyclictest41-21ksoftirqd/311:20:183
5091993630,3cyclictest41-21ksoftirqd/308:15:143
509199362,3cyclictest121rcu_preempt09:04:463
5091993623,4cyclictest41-21ksoftirqd/311:30:173
5090993630,4cyclictest33-21ksoftirqd/211:43:572
5090993630,4cyclictest33-21ksoftirqd/208:04:252
5090993629,5cyclictest33-21ksoftirqd/207:39:492
5089993630,4cyclictest25-21ksoftirqd/109:37:191
138491360,0ptp4l401ktimersoftd/310:50:173
5091993530,2cyclictest41-21ksoftirqd/307:35:163
5091993529,4cyclictest41-21ksoftirqd/310:48:053
5091993528,4cyclictest41-21ksoftirqd/310:58:323
5091993528,4cyclictest41-21ksoftirqd/309:27:143
5090993530,3cyclictest33-21ksoftirqd/212:11:292
5090993530,3cyclictest33-21ksoftirqd/211:54:122
5090993529,4cyclictest33-21ksoftirqd/211:36:592
5090993529,4cyclictest33-21ksoftirqd/209:37:042
5090993528,4cyclictest33-21ksoftirqd/209:52:362
509099350,33cyclictest27305-21cron10:05:002
5089993530,3cyclictest25-21ksoftirqd/110:45:001
5089993529,4cyclictest25-21ksoftirqd/110:11:211
5089993529,4cyclictest25-21ksoftirqd/109:08:021
5089993529,4cyclictest25-21ksoftirqd/108:45:111
5089993529,3cyclictest25-21ksoftirqd/109:26:001
5089993528,4cyclictest25-21ksoftirqd/111:31:361
5089993528,4cyclictest25-21ksoftirqd/111:21:331
5089993527,6cyclictest25-21ksoftirqd/109:53:391
5091993429,3cyclictest41-21ksoftirqd/310:10:133
5091993429,3cyclictest41-21ksoftirqd/309:35:213
5091993429,3cyclictest41-21ksoftirqd/307:21:573
5091993428,4cyclictest41-21ksoftirqd/309:40:053
5091993428,4cyclictest41-21ksoftirqd/309:11:533
5091993428,3cyclictest41-21ksoftirqd/307:30:183
5091993427,4cyclictest41-21ksoftirqd/312:08:413
5091993427,4cyclictest41-21ksoftirqd/311:44:253
509199341,7cyclictest121rcu_preempt10:32:083
509199341,3cyclictest121rcu_preempt10:36:213
5090993429,3cyclictest33-21ksoftirqd/212:35:282
5090993428,4cyclictest33-21ksoftirqd/212:28:182
5090993428,4cyclictest33-21ksoftirqd/210:47:002
5090993427,4cyclictest33-21ksoftirqd/210:17:392
5090993427,4cyclictest33-21ksoftirqd/208:13:112
5090993427,4cyclictest33-21ksoftirqd/208:09:142
5090993427,4cyclictest33-21ksoftirqd/207:54:262
5090993427,4cyclictest33-21ksoftirqd/207:17:512
5089993429,3cyclictest25-21ksoftirqd/112:23:461
5089993429,3cyclictest25-21ksoftirqd/110:25:281
5089993429,3cyclictest25-21ksoftirqd/109:45:181
5089993428,4cyclictest25-21ksoftirqd/108:51:011
5089993428,4cyclictest25-21ksoftirqd/108:40:461
5089993427,4cyclictest25-21ksoftirqd/112:31:001
5089993427,4cyclictest25-21ksoftirqd/111:50:571
5091993328,3cyclictest41-21ksoftirqd/311:05:263
5091993328,3cyclictest41-21ksoftirqd/309:48:483
5091993328,3cyclictest41-21ksoftirqd/309:10:003
5091993328,3cyclictest41-21ksoftirqd/308:20:133
5091993328,2cyclictest41-21ksoftirqd/311:05:003
5091993328,2cyclictest41-21ksoftirqd/307:50:003
5091993327,4cyclictest41-21ksoftirqd/312:19:353
5091993327,4cyclictest41-21ksoftirqd/308:08:233
5090993327,4cyclictest33-21ksoftirqd/211:32:292
5090993327,4cyclictest33-21ksoftirqd/210:58:072
5090993327,4cyclictest33-21ksoftirqd/210:42:072
5090993327,4cyclictest33-21ksoftirqd/209:07:512
5090993327,4cyclictest33-21ksoftirqd/208:41:472
5090993327,4cyclictest33-21ksoftirqd/207:59:122
5090993327,4cyclictest33-21ksoftirqd/207:33:032
5090993326,4cyclictest33-21ksoftirqd/211:27:002
5090993326,4cyclictest33-21ksoftirqd/210:31:152
5089993328,3cyclictest25-21ksoftirqd/112:14:071
5089993328,3cyclictest25-21ksoftirqd/109:58:521
5089993328,3cyclictest25-21ksoftirqd/107:45:121
5089993328,3cyclictest25-21ksoftirqd/107:25:561
5089993327,4cyclictest25-21ksoftirqd/111:45:351
5089993327,4cyclictest25-21ksoftirqd/110:32:271
5089993327,4cyclictest25-21ksoftirqd/108:36:091
5089993327,4cyclictest25-21ksoftirqd/108:08:171
5091993227,2cyclictest41-21ksoftirqd/311:12:433
5091993226,3cyclictest41-21ksoftirqd/307:10:153
5091993221,9cyclictest41-21ksoftirqd/311:45:243
5090993228,2cyclictest29678-21cron11:15:002
5090993227,3cyclictest33-21ksoftirqd/212:30:362
5090993227,3cyclictest33-21ksoftirqd/208:29:332
5090993226,4cyclictest33-21ksoftirqd/208:18:042
5090993226,4cyclictest33-21ksoftirqd/207:27:462
5090993226,4cyclictest33-21ksoftirqd/207:21:182
5089993227,3cyclictest25-21ksoftirqd/110:40:001
5089993226,4cyclictest25-21ksoftirqd/108:13:381
5089993226,4cyclictest25-21ksoftirqd/107:52:521
5089993226,4cyclictest25-21ksoftirqd/107:19:211
5089993226,4cyclictest25-21ksoftirqd/107:14:051
5089993225,4cyclictest25-21ksoftirqd/108:58:151
5089993213,17cyclictest0-21swapper/111:13:431
138491320,0ptp4l401ktimersoftd/312:10:243
138491320,0ptp4l401ktimersoftd/309:23:143
5091993126,2cyclictest41-21ksoftirqd/308:30:003
5091993125,3cyclictest41-21ksoftirqd/308:30:253
5090993126,3cyclictest33-21ksoftirqd/211:56:332
5090993126,3cyclictest33-21ksoftirqd/211:03:592
5090993126,3cyclictest33-21ksoftirqd/210:05:122
5090993126,3cyclictest33-21ksoftirqd/209:27:012
5090993125,4cyclictest33-21ksoftirqd/209:23:362
5090993125,4cyclictest33-21ksoftirqd/208:59:372
5090993124,4cyclictest33-21ksoftirqd/208:24:542
5089993126,3cyclictest25-21ksoftirqd/108:26:371
5089993125,4cyclictest25-21ksoftirqd/110:07:561
5089993125,4cyclictest25-21ksoftirqd/109:33:541
5089993125,4cyclictest25-21ksoftirqd/109:11:231
5089993125,3cyclictest25-21ksoftirqd/111:06:091
5089993125,3cyclictest25-21ksoftirqd/108:20:201
5089993124,4cyclictest25-21ksoftirqd/110:47:591
508999310,30cyclictest0-21swapper/109:17:131
5090993025,3cyclictest33-21ksoftirqd/212:08:012
5090993024,4cyclictest33-21ksoftirqd/210:22:252
5090993024,4cyclictest33-21ksoftirqd/209:56:052
5090993024,4cyclictest33-21ksoftirqd/208:37:152
5090993023,4cyclictest33-21ksoftirqd/210:54:022
5089993025,3cyclictest25-21ksoftirqd/110:22:511
5089993024,4cyclictest25-21ksoftirqd/108:02:191
5089993024,3cyclictest25-21ksoftirqd/112:25:171
5089993010,19cyclictest0-21swapper/107:20:331
5090992924,3cyclictest33-21ksoftirqd/209:31:182
5090992924,3cyclictest33-21ksoftirqd/209:14:532
5090992924,3cyclictest33-21ksoftirqd/207:49:442
5090992923,4cyclictest33-21ksoftirqd/211:18:412
5090992923,4cyclictest33-21ksoftirqd/207:11:542
5090992923,3cyclictest33-21ksoftirqd/211:05:052
5089992922,4cyclictest25-21ksoftirqd/110:15:421
5090992823,3cyclictest33-21ksoftirqd/209:41:152
5090992822,4cyclictest33-21ksoftirqd/212:03:432
5090992822,4cyclictest33-21ksoftirqd/208:54:512
5089992822,4cyclictest25-21ksoftirqd/110:51:321
5089992822,3cyclictest25-21ksoftirqd/111:45:001
5089992821,4cyclictest25-21ksoftirqd/111:36:591
5090992722,3cyclictest33-21ksoftirqd/208:47:122
5090992722,3cyclictest33-21ksoftirqd/208:30:392
5090992721,4cyclictest33-21ksoftirqd/209:01:212
5089992722,3cyclictest25-21ksoftirqd/110:04:101
5089992722,3cyclictest25-21ksoftirqd/109:21:001
5089992721,4cyclictest25-21ksoftirqd/112:01:291
5089992721,3cyclictest25-21ksoftirqd/111:00:111
204002270,4sleep1241ktimersoftd/110:55:131
5090992620,4cyclictest33-21ksoftirqd/210:25:342
5089992621,3cyclictest25-21ksoftirqd/109:00:121
5089992621,3cyclictest25-21ksoftirqd/108:18:321
5090992520,3cyclictest33-21ksoftirqd/211:22:302
5089992417,4cyclictest29698-21sh07:59:591
5090992217,3cyclictest33-21ksoftirqd/210:35:112
5089992218,2cyclictest13624-21cut08:30:171
5089992015,3cyclictest22470-21/usr/sbin/munin12:05:101
509099197,10cyclictest0-21swapper/212:20:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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