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2026-05-23 - 15:05
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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 100 highest latencies:
System rack7slot1.osadl.org (updated Sat May 23, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2416221160,1sleep027571-21stress10:15:220
6858211552,57sleep00-21swapper/007:07:110
678829754,38sleep10-21swapper/107:06:191
673829464,24sleep20-21swapper/207:05:442
676429351,37sleep30-21swapper/307:06:053
37852590,1sleep027571-21stress09:29:200
37852590,1sleep027571-21stress09:29:200
7180995810,45cyclictest0-21swapper/110:20:321
7180995116,13cyclictest0-21swapper/112:37:301
7180995113,35cyclictest0-21swapper/111:11:231
7180995014,12cyclictest0-21swapper/110:45:281
7180994916,15cyclictest0-21swapper/107:15:581
7180994912,14cyclictest0-21swapper/110:40:181
7180994912,14cyclictest0-21swapper/110:40:171
718099475,23cyclictest0-21swapper/109:00:381
718099475,23cyclictest0-21swapper/108:46:581
718099475,23cyclictest0-21swapper/108:46:571
718099475,23cyclictest0-21swapper/108:15:271
718099475,23cyclictest0-21swapper/108:12:181
718099475,23cyclictest0-21swapper/108:05:581
718099475,23cyclictest0-21swapper/107:30:581
7180994714,14cyclictest0-21swapper/112:02:071
7180994714,12cyclictest0-21swapper/112:15:011
718099465,23cyclictest0-21swapper/107:54:181
718099465,12cyclictest0-21swapper/107:42:381
7180994615,12cyclictest0-21swapper/110:32:351
7180994615,12cyclictest0-21swapper/110:32:351
7180994614,15cyclictest0-21swapper/112:09:441
7180994613,14cyclictest0-21swapper/111:00:291
7180994612,20cyclictest0-21swapper/109:40:261
7180994610,17cyclictest0-21swapper/111:19:541
7180994610,17cyclictest0-21swapper/111:19:541
718099459,18cyclictest0-21swapper/111:45:391
7180994514,11cyclictest0-21swapper/111:09:121
7180994514,11cyclictest0-21swapper/111:09:121
7180994513,12cyclictest0-21swapper/110:37:171
7180994513,12cyclictest0-21swapper/110:37:171
7180994512,13cyclictest0-21swapper/111:55:241
718099449,14cyclictest0-21swapper/107:49:121
7180994415,11cyclictest0-21swapper/110:15:491
7180994314,12cyclictest0-21swapper/111:35:201
7180994311,14cyclictest0-21swapper/109:20:261
7182994215,24cyclictest0-21swapper/309:48:113
718099428,16cyclictest0-21swapper/108:55:061
7180994215,12cyclictest0-21swapper/109:29:131
7180994215,12cyclictest0-21swapper/109:29:131
7180994213,13cyclictest0-21swapper/110:05:131
7180994213,12cyclictest0-21swapper/109:53:101
7182994013,24cyclictest0-21swapper/310:54:033
718099405,17cyclictest0-21swapper/112:25:251
108402405,14sleep30-21swapper/307:15:163
7182993916,21cyclictest0-21swapper/309:35:143
7181993910,26cyclictest0-21swapper/211:20:442
718099399,11cyclictest0-21swapper/107:10:231
100612395,14sleep20-21swapper/208:28:212
7182993817,19cyclictest0-21swapper/309:27:403
7182993817,19cyclictest0-21swapper/309:27:403
718199388,27cyclictest0-21swapper/211:57:362
7181993815,20cyclictest0-21swapper/209:22:542
7181993811,24cyclictest0-21swapper/212:28:412
13152385,14sleep30-21swapper/308:08:253
98522375,13sleep30-21swapper/308:25:463
718299377,28cyclictest0-21swapper/311:45:033
7182993716,19cyclictest0-21swapper/311:00:343
7182993715,20cyclictest0-21swapper/309:30:213
7182993715,20cyclictest0-21swapper/309:30:213
7182993714,20cyclictest0-21swapper/312:15:313
7182993714,20cyclictest0-21swapper/312:15:313
718199379,25cyclictest0-21swapper/210:40:142
718199379,25cyclictest0-21swapper/210:40:142
7181993715,20cyclictest0-21swapper/209:10:202
7181993710,24cyclictest0-21swapper/209:50:252
7180993715,20cyclictest0-21swapper/111:51:461
7180993715,20cyclictest0-21swapper/111:51:461
7179993714,20cyclictest0-21swapper/011:09:490
7179993714,20cyclictest0-21swapper/011:09:490
273822375,13sleep30-21swapper/309:08:403
227622375,13sleep30-21swapper/307:41:513
184332375,13sleep30-21swapper/307:31:363
142162375,13sleep30-21swapper/308:36:283
718199369,24cyclictest0-21swapper/212:15:182
718199369,24cyclictest0-21swapper/212:15:182
718199369,24cyclictest0-21swapper/212:10:222
718199368,25cyclictest0-21swapper/211:40:102
718199368,25cyclictest0-21swapper/211:40:102
7181993610,23cyclictest0-21swapper/209:34:482
7181993610,23cyclictest0-21swapper/209:34:482
7179993613,20cyclictest0-21swapper/009:55:260
7179993611,18cyclictest0-21swapper/008:05:240
291862364,13sleep30-21swapper/307:56:223
228382365,14sleep20-21swapper/208:55:522
206432365,13sleep00-21swapper/008:50:290
186642364,13sleep30-21swapper/308:47:353
186642364,13sleep30-21swapper/308:47:353
164272365,13sleep00-21swapper/008:41:310
76512350,2sleep127570-21stress09:35:341
7182993517,16cyclictest0-21swapper/311:20:063
7182993515,18cyclictest0-21swapper/312:10:173
7182993515,18cyclictest0-21swapper/311:35:263
7182993515,18cyclictest0-21swapper/311:15:343
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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