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2026-09-10 - 17:16
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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 rackdslot2.osadl.org (updated Thu Sep 10, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
284512241195,34sleep10-21swapper/107:07:581
284512241195,34sleep10-21swapper/107:07:581
139591233167,22phc2sys0-21swapper/307:05:033
139591233167,22phc2sys0-21swapper/307:05:033
284172208175,22sleep20-21swapper/207:07:322
284172208175,22sleep20-21swapper/207:07:322
283002204170,22sleep00-21swapper/007:06:010
283002204170,22sleep00-21swapper/007:06:010
3268621770,6sleep12890999cyclictest08:25:011
2469721700,6sleep02890899cyclictest08:05:250
28911996931,7cyclictest41-21ksoftirqd/308:15:183
28911996727,8cyclictest41-21ksoftirqd/308:00:263
28911996727,8cyclictest41-21ksoftirqd/308:00:263
28911996631,7cyclictest41-21ksoftirqd/311:30:303
28911996624,11cyclictest41-21ksoftirqd/307:30:023
28911996532,4cyclictest41-21ksoftirqd/311:20:183
28911996425,7cyclictest41-21ksoftirqd/312:30:133
28911996425,7cyclictest41-21ksoftirqd/312:30:133
28911996424,7cyclictest41-21ksoftirqd/312:25:263
28911996328,7cyclictest41-21ksoftirqd/311:05:143
28911996328,7cyclictest41-21ksoftirqd/310:45:003
28911996328,7cyclictest41-21ksoftirqd/308:20:223
28911996327,7cyclictest41-21ksoftirqd/309:20:213
28911996228,7cyclictest41-21ksoftirqd/309:45:273
28911996228,7cyclictest41-21ksoftirqd/309:45:273
28911996131,9cyclictest41-21ksoftirqd/312:15:093
28911996128,4cyclictest41-21ksoftirqd/307:10:143
28911996127,4cyclictest41-21ksoftirqd/308:10:243
28911996123,5cyclictest41-21ksoftirqd/310:10:203
28911996122,12cyclictest41-21ksoftirqd/310:25:003
28911996026,7cyclictest41-21ksoftirqd/310:45:153
28911996025,9cyclictest41-21ksoftirqd/307:25:013
28911996024,8cyclictest41-21ksoftirqd/309:10:283
28911996024,7cyclictest41-21ksoftirqd/311:50:183
28911996023,7cyclictest41-21ksoftirqd/311:18:213
28911996023,7cyclictest41-21ksoftirqd/309:45:013
28911995928,9cyclictest41-21ksoftirqd/307:45:203
28911995926,4cyclictest41-21ksoftirqd/307:50:133
28911995926,10cyclictest41-21ksoftirqd/307:35:123
28911995925,7cyclictest41-21ksoftirqd/311:40:213
28911995925,7cyclictest41-21ksoftirqd/307:20:243
28911995828,4cyclictest41-21ksoftirqd/308:30:243
28911995823,4cyclictest41-21ksoftirqd/309:55:183
28911995725,7cyclictest41-21ksoftirqd/311:45:133
28911995720,6cyclictest41-21ksoftirqd/312:38:353
93212550,4sleep19323-21fschecks_count07:35:141
28911995522,9cyclictest41-21ksoftirqd/309:25:193
28911995517,8cyclictest41-21ksoftirqd/308:35:163
28911995425,10cyclictest41-21ksoftirqd/307:15:153
2891199535,9cyclictest41-21ksoftirqd/311:00:193
28911995323,9cyclictest41-21ksoftirqd/308:28:263
28911995321,4cyclictest41-21ksoftirqd/312:20:123
28911995321,4cyclictest41-21ksoftirqd/307:45:003
2891199527,10cyclictest41-21ksoftirqd/310:25:263
2891199524,9cyclictest41-21ksoftirqd/310:55:243
2891199524,8cyclictest41-21ksoftirqd/310:15:153
28911995221,3cyclictest41-21ksoftirqd/309:50:153
28911995218,8cyclictest41-21ksoftirqd/309:08:473
2891199515,10cyclictest41-21ksoftirqd/309:35:243
2891199515,10cyclictest41-21ksoftirqd/308:50:233
2891199513,9cyclictest41-21ksoftirqd/310:00:123
2891199513,6cyclictest41-21ksoftirqd/308:45:193
2891199496,7cyclictest41-21ksoftirqd/311:55:183
2891199494,8cyclictest41-21ksoftirqd/308:55:213
2891199494,7cyclictest41-21ksoftirqd/310:55:013
2891199493,7cyclictest41-21ksoftirqd/309:15:193
2891199492,5cyclictest41-21ksoftirqd/310:35:003
2891199492,5cyclictest41-21ksoftirqd/310:35:003
2891199492,10cyclictest41-21ksoftirqd/308:40:193
2891199485,8cyclictest41-21ksoftirqd/307:55:253
2891199484,8cyclictest41-21ksoftirqd/311:35:253
2891199484,7cyclictest41-21ksoftirqd/312:10:133
2891199483,8cyclictest41-21ksoftirqd/312:05:183
2891199483,5cyclictest41-21ksoftirqd/311:30:003
41298470,1rtkit-daemon0-21swapper/110:11:331
2891199472,6cyclictest41-21ksoftirqd/309:05:013
2891199466,9cyclictest41-21ksoftirqd/310:40:003
2891199465,3cyclictest41-21ksoftirqd/308:05:243
2891199464,10cyclictest41-21ksoftirqd/310:05:203
2891199456,3cyclictest41-21ksoftirqd/309:30:243
2891199453,9cyclictest41-21ksoftirqd/312:00:243
2891199453,9cyclictest41-21ksoftirqd/312:00:233
28909994439,2cyclictest25-21ksoftirqd/110:00:001
2891199435,7cyclictest41-21ksoftirqd/311:10:213
41298420,5rtkit-daemon20988-21users11:20:260
28908994135,3cyclictest9-21ksoftirqd/009:40:000
28909994035,2cyclictest25-21ksoftirqd/111:05:001
28909994034,3cyclictest25-21ksoftirqd/108:35:181
28909994029,9cyclictest25-21ksoftirqd/111:10:011
28909994011,7cyclictest25-21ksoftirqd/111:20:011
2890999390,3cyclictest25-21ksoftirqd/111:35:231
28908993933,3cyclictest9-21ksoftirqd/010:10:010
28910993831,4cyclictest33-21ksoftirqd/211:07:042
28909993833,3cyclictest25-21ksoftirqd/111:45:001
28909993833,3cyclictest25-21ksoftirqd/108:15:011
28909993832,4cyclictest25-21ksoftirqd/112:05:581
28909993832,4cyclictest25-21ksoftirqd/108:55:381
28909993832,3cyclictest25-21ksoftirqd/112:25:001
28909993831,4cyclictest25-21ksoftirqd/111:30:001
28908993833,3cyclictest9-21ksoftirqd/011:10:000
28908993833,3cyclictest9-21ksoftirqd/008:20:000
28908993832,3cyclictest9-21ksoftirqd/011:35:010
28908993832,3cyclictest9-21ksoftirqd/011:20:000
28910993732,3cyclictest33-21ksoftirqd/211:30:112
28910993732,3cyclictest33-21ksoftirqd/210:55:002
28910993731,4cyclictest33-21ksoftirqd/211:25:302
28910993731,4cyclictest33-21ksoftirqd/210:48:552
28910993731,4cyclictest33-21ksoftirqd/209:00:352
28909993733,3cyclictest25-21ksoftirqd/111:10:221
28909993733,2cyclictest25-21ksoftirqd/107:30:011
28909993732,3cyclictest25-21ksoftirqd/111:35:001
28909993732,3cyclictest25-21ksoftirqd/110:50:001
28909993732,3cyclictest25-21ksoftirqd/110:30:261
28909993732,3cyclictest25-21ksoftirqd/110:30:261
28909993732,3cyclictest25-21ksoftirqd/110:20:001
28909993732,3cyclictest25-21ksoftirqd/109:35:001
28909993732,3cyclictest25-21ksoftirqd/107:30:201
28909993732,3cyclictest25-21ksoftirqd/107:20:151
28909993732,3cyclictest25-21ksoftirqd/107:15:001
28909993731,4cyclictest25-21ksoftirqd/112:01:521
28909993731,4cyclictest25-21ksoftirqd/112:01:511
28909993731,3cyclictest25-21ksoftirqd/110:25:191
28909993731,3cyclictest25-21ksoftirqd/108:50:191
28909993730,4cyclictest25-21ksoftirqd/110:05:411
2890999372,3cyclictest121rcu_preempt07:20:001
2890999371,4cyclictest25-21ksoftirqd/110:40:231
28908993731,3cyclictest9-21ksoftirqd/011:36:580
28908993731,3cyclictest9-21ksoftirqd/010:50:010
28908993731,3cyclictest9-21ksoftirqd/009:50:120
28908993731,3cyclictest9-21ksoftirqd/007:55:130
28908993730,4cyclictest9-21ksoftirqd/012:22:240
28908993730,4cyclictest9-21ksoftirqd/009:40:100
28908993730,3cyclictest9-21ksoftirqd/009:25:120
28910993632,3cyclictest33-21ksoftirqd/212:40:002
28910993631,3cyclictest33-21ksoftirqd/211:42:562
28910993631,3cyclictest21363-21cron11:25:002
28910993630,4cyclictest33-21ksoftirqd/208:11:292
28910993630,4cyclictest33-21ksoftirqd/208:09:122
28910993630,4cyclictest33-21ksoftirqd/207:40:362
2890999369,8cyclictest25-21ksoftirqd/109:50:181
2890999367,6cyclictest121rcu_preempt07:45:171
2890999364,3cyclictest121rcu_preempt09:41:341
28909993632,3cyclictest25-21ksoftirqd/108:00:001
28909993632,2cyclictest25-21ksoftirqd/112:19:591
28909993631,3cyclictest25-21ksoftirqd/112:10:121
28909993631,3cyclictest25-21ksoftirqd/110:55:001
28909993631,2cyclictest25-21ksoftirqd/108:45:001
28909993630,4cyclictest25-21ksoftirqd/111:52:011
28909993630,4cyclictest25-21ksoftirqd/109:47:371
28909993630,4cyclictest25-21ksoftirqd/109:47:371
28909993630,4cyclictest25-21ksoftirqd/109:35:341
28909993630,4cyclictest25-21ksoftirqd/109:02:441
28909993630,3cyclictest25-21ksoftirqd/108:05:141
28909993627,7cyclictest25-21ksoftirqd/108:05:011
28909993627,7cyclictest25-21ksoftirqd/108:05:011
2890999362,4cyclictest121rcu_preempt09:10:191
2890999360,2cyclictest25-21ksoftirqd/110:00:121
28908993632,3cyclictest9-21ksoftirqd/010:50:130
28908993631,3cyclictest9-21ksoftirqd/008:40:000
28908993631,3cyclictest9-21ksoftirqd/008:31:020
28908993631,3cyclictest9-21ksoftirqd/007:55:000
28908993630,4cyclictest9-21ksoftirqd/011:25:100
28908993630,3cyclictest9-21ksoftirqd/010:40:010
28908993630,3cyclictest9-21ksoftirqd/009:20:000
28908993629,4cyclictest9-21ksoftirqd/011:12:280
28910993530,3cyclictest33-21ksoftirqd/211:00:302
28910993530,3cyclictest33-21ksoftirqd/208:31:252
28910993530,3cyclictest33-21ksoftirqd/207:24:282
28910993530,3cyclictest33-21ksoftirqd/207:10:192
28910993529,4cyclictest33-21ksoftirqd/212:23:072
28910993529,4cyclictest33-21ksoftirqd/210:37:452
28910993529,4cyclictest33-21ksoftirqd/207:59:342
2890999354,2cyclictest121rcu_preempt10:20:261
2890999354,2cyclictest121rcu_preempt08:15:261
28909993531,3cyclictest25-21ksoftirqd/110:35:151
28909993531,2cyclictest25-21ksoftirqd/112:40:001
28909993530,3cyclictest25-21ksoftirqd/109:25:111
28909993529,4cyclictest25-21ksoftirqd/109:20:281
28909993529,4cyclictest25-21ksoftirqd/107:54:031
28909993528,4cyclictest25-21ksoftirqd/108:33:021
28908993530,3cyclictest9-21ksoftirqd/012:10:180
28908993530,3cyclictest9-21ksoftirqd/007:20:010
28908993529,4cyclictest9-21ksoftirqd/010:44:370
28908993529,4cyclictest9-21ksoftirqd/009:45:350
28908993529,4cyclictest9-21ksoftirqd/009:45:350
28908993529,4cyclictest9-21ksoftirqd/009:33:310
28908993529,4cyclictest9-21ksoftirqd/009:20:520
28908993529,4cyclictest9-21ksoftirqd/009:03:460
28908993529,4cyclictest9-21ksoftirqd/008:21:060
28908993529,3cyclictest9-21ksoftirqd/008:50:200
28908993528,4cyclictest9-21ksoftirqd/011:58:300
28908993528,4cyclictest9-21ksoftirqd/007:20:410
2890899351,4cyclictest9-21ksoftirqd/010:00:270
28910993429,4cyclictest33-21ksoftirqd/209:40:262
28910993429,3cyclictest33-21ksoftirqd/211:38:372
28910993429,3cyclictest33-21ksoftirqd/210:41:082
28910993429,3cyclictest33-21ksoftirqd/210:06:142
28910993428,4cyclictest33-21ksoftirqd/212:32:422
28910993428,4cyclictest33-21ksoftirqd/212:32:412
28910993428,4cyclictest33-21ksoftirqd/211:52:512
28910993428,4cyclictest33-21ksoftirqd/211:16:272
28910993428,4cyclictest33-21ksoftirqd/210:26:532
28910993428,4cyclictest33-21ksoftirqd/209:59:052
28910993428,4cyclictest33-21ksoftirqd/209:38:142
28910993428,4cyclictest33-21ksoftirqd/209:26:402
28910993428,4cyclictest33-21ksoftirqd/209:21:342
28910993428,4cyclictest33-21ksoftirqd/208:53:422
28910993428,4cyclictest33-21ksoftirqd/207:28:372
28910993428,3cyclictest33-21ksoftirqd/208:20:112
28909993430,2cyclictest25-21ksoftirqd/109:19:591
28909993429,3cyclictest25-21ksoftirqd/111:45:581
28909993429,3cyclictest25-21ksoftirqd/111:00:011
28909993429,3cyclictest25-21ksoftirqd/108:30:001
28909993428,3cyclictest25-21ksoftirqd/108:50:001
2890999341,3cyclictest121rcu_preempt11:20:181
28908993429,3cyclictest9-21ksoftirqd/012:27:240
28908993429,3cyclictest9-21ksoftirqd/008:45:180
28908993429,3cyclictest9-21ksoftirqd/007:30:010
28908993429,3cyclictest9-21ksoftirqd/007:10:190
28908993428,4cyclictest9-21ksoftirqd/012:32:590
28908993428,4cyclictest9-21ksoftirqd/012:32:580
28908993428,4cyclictest9-21ksoftirqd/011:54:090
28908993428,4cyclictest9-21ksoftirqd/009:56:150
28908993428,4cyclictest9-21ksoftirqd/007:40:300
28908993428,3cyclictest9-21ksoftirqd/012:16:460
28908993428,3cyclictest9-21ksoftirqd/009:07:070
28908993428,3cyclictest9-21ksoftirqd/008:26:160
28908993428,3cyclictest9-21ksoftirqd/008:15:000
28908993428,3cyclictest9-21ksoftirqd/007:45:190
28908993427,4cyclictest9-21ksoftirqd/010:11:060
41298330,9rtkit-daemon0-21swapper/208:35:432
28910993328,3cyclictest33-21ksoftirqd/212:19:592
28910993328,3cyclictest33-21ksoftirqd/211:11:302
28910993328,3cyclictest33-21ksoftirqd/210:58:082
28910993328,3cyclictest33-21ksoftirqd/207:37:512
28910993327,4cyclictest33-21ksoftirqd/210:18:142
28910993327,4cyclictest33-21ksoftirqd/208:56:382
28910993327,4cyclictest33-21ksoftirqd/208:28:512
28910993327,3cyclictest14592-21ps10:00:232
2890999333,2cyclictest121rcu_preempt12:31:311
2890999333,2cyclictest121rcu_preempt12:31:311
28909993328,3cyclictest25-21ksoftirqd/112:25:141
28909993328,3cyclictest25-21ksoftirqd/111:55:111
28909993328,3cyclictest25-21ksoftirqd/109:05:241
28908993328,3cyclictest9-21ksoftirqd/007:39:590
28908993327,4cyclictest9-21ksoftirqd/012:09:130
28908993327,4cyclictest9-21ksoftirqd/008:04:220
28908993327,4cyclictest9-21ksoftirqd/008:04:210
28908993326,4cyclictest9-21ksoftirqd/009:11:040
28910993227,3cyclictest33-21ksoftirqd/208:00:202
28910993227,3cyclictest33-21ksoftirqd/208:00:192
28910993227,3cyclictest33-21ksoftirqd/207:48:292
28910993227,3cyclictest33-21ksoftirqd/207:17:002
28910993226,4cyclictest33-21ksoftirqd/210:32:552
28910993226,4cyclictest33-21ksoftirqd/210:32:542
28910993226,4cyclictest33-21ksoftirqd/208:42:512
28909993226,3cyclictest25-21ksoftirqd/107:40:131
28908993228,3cyclictest9-21ksoftirqd/011:40:180
28908993226,4cyclictest9-21ksoftirqd/010:20:290
28910993126,3cyclictest33-21ksoftirqd/212:25:582
28910993126,3cyclictest33-21ksoftirqd/212:00:012
28910993126,3cyclictest33-21ksoftirqd/210:20:102
28910993126,3cyclictest33-21ksoftirqd/210:13:232
28908993126,3cyclictest9-21ksoftirqd/010:19:590
28908993126,3cyclictest9-21ksoftirqd/008:55:170
28908993125,3cyclictest9-21ksoftirqd/011:04:540
28908993125,3cyclictest9-21ksoftirqd/010:59:440
28910993025,3cyclictest33-21ksoftirqd/212:10:472
28910993025,3cyclictest33-21ksoftirqd/209:05:182
28910993024,4cyclictest33-21ksoftirqd/207:54:532
28910993024,4cyclictest33-21ksoftirqd/207:30:572
28910993020,9cyclictest33-21ksoftirqd/209:10:272
28908993026,2cyclictest9-21ksoftirqd/012:40:000
28908993025,3cyclictest9-21ksoftirqd/010:30:220
28908993025,3cyclictest9-21ksoftirqd/010:30:210
28910992925,3cyclictest33-21ksoftirqd/208:15:172
28910992924,3cyclictest33-21ksoftirqd/209:53:442
28908992924,3cyclictest9-21ksoftirqd/007:33:520
28908992923,3cyclictest9-21ksoftirqd/011:45:190
28910992823,3cyclictest33-21ksoftirqd/211:46:552
28910992823,3cyclictest33-21ksoftirqd/209:31:202
28910992817,9cyclictest33-21ksoftirqd/212:00:242
28910992817,9cyclictest33-21ksoftirqd/212:00:242
28908992823,3cyclictest9-21ksoftirqd/012:00:130
28908992823,3cyclictest9-21ksoftirqd/012:00:130
28908992823,3cyclictest9-21ksoftirqd/008:43:450
28910992722,3cyclictest33-21ksoftirqd/212:10:002
28910992722,3cyclictest33-21ksoftirqd/208:47:472
28908992520,3cyclictest9-21ksoftirqd/010:25:130
28910992110,9cyclictest33-21ksoftirqd/209:45:232
28910992110,9cyclictest33-21ksoftirqd/209:45:232
28910991914,3cyclictest24704-21df_inode09:15:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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