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2026-06-17 - 23:10
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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 Wed Jun 17, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
503621300,1sleep330106-21stress11:55:023
9089211753,58sleep10-21swapper/107:07:481
9246210750,52sleep00-21swapper/007:09:470
898929267,20sleep20-21swapper/207:06:322
924929064,21sleep30-21swapper/307:09:513
9361996011,38cyclictest0-21swapper/010:47:220
9361994511,31cyclictest0-21swapper/011:38:400
9361994511,31cyclictest0-21swapper/011:38:400
9361994416,25cyclictest0-21swapper/012:20:180
9361994412,22cyclictest0-21swapper/012:11:110
9361994311,20cyclictest0-21swapper/009:50:140
9363994212,27cyclictest0-21swapper/209:20:132
9361994213,26cyclictest0-21swapper/012:17:360
9361994211,28cyclictest0-21swapper/011:10:350
936399417,24cyclictest0-21swapper/212:05:212
936399417,24cyclictest0-21swapper/212:05:212
9363994113,25cyclictest0-21swapper/209:32:002
9361994111,27cyclictest0-21swapper/011:20:240
9361994111,18cyclictest0-21swapper/010:15:050
9361994111,18cyclictest0-21swapper/010:15:040
9361994110,28cyclictest0-21swapper/010:51:050
9363994017,20cyclictest0-21swapper/210:09:392
9362994015,14cyclictest0-21swapper/111:40:441
9361994016,22cyclictest0-21swapper/009:59:350
9361994010,27cyclictest0-21swapper/011:57:090
9363993916,16cyclictest0-21swapper/210:30:242
936199396,23cyclictest0-21swapper/009:40:300
936199395,22cyclictest0-21swapper/011:15:110
9361993915,22cyclictest0-21swapper/012:00:080
9361993914,22cyclictest0-21swapper/012:25:210
9361993914,22cyclictest0-21swapper/010:10:580
9361993914,22cyclictest0-21swapper/010:10:570
936399388,27cyclictest0-21swapper/211:22:222
9363993811,19cyclictest0-21swapper/209:14:032
936299385,26cyclictest0-21swapper/108:10:231
9362993816,19cyclictest0-21swapper/110:55:061
9362993816,19cyclictest0-21swapper/110:55:061
9362993814,22cyclictest0-21swapper/111:31:571
9362993814,22cyclictest0-21swapper/111:31:571
9362993814,21cyclictest0-21swapper/109:51:231
9361993812,24cyclictest0-21swapper/009:49:380
9361993811,24cyclictest0-21swapper/011:40:070
9361993811,24cyclictest0-21swapper/009:35:410
82162385,13sleep20-21swapper/208:19:222
295992385,13sleep20-21swapper/207:54:362
9363993713,21cyclictest0-21swapper/212:15:552
9363993712,22cyclictest0-21swapper/210:38:342
936299376,20cyclictest0-21swapper/112:35:591
9362993714,20cyclictest0-21swapper/110:25:231
936199377,27cyclictest0-21swapper/009:10:070
9361993716,18cyclictest0-21swapper/011:45:180
9361993715,19cyclictest0-21swapper/011:06:250
9361993712,22cyclictest0-21swapper/011:55:000
9361993712,22cyclictest0-21swapper/010:35:030
9361993711,23cyclictest0-21swapper/010:20:260
9361993711,23cyclictest0-21swapper/010:20:260
9361993711,23cyclictest0-21swapper/010:00:110
9361993710,25cyclictest0-21swapper/010:40:240
81122375,12sleep00-21swapper/008:18:130
60782375,13sleep30-21swapper/308:14:463
38372375,13sleep30-21swapper/308:09:283
35182375,13sleep00-21swapper/008:05:330
316552375,13sleep30-21swapper/307:57:433
256242375,12sleep20-21swapper/208:59:332
172972375,13sleep30-21swapper/308:40:243
165382375,13sleep10-21swapper/107:23:591
147502375,13sleep00-21swapper/008:34:530
143262375,13sleep20-21swapper/207:19:042
125862375,12sleep30-21swapper/308:29:543
12072375,13sleep00-21swapper/008:00:230
104352375,13sleep20-21swapper/208:24:592
9364993611,22cyclictest0-21swapper/310:49:463
936399369,24cyclictest0-21swapper/211:40:262
936399367,26cyclictest0-21swapper/210:04:502
9363993614,19cyclictest0-21swapper/210:25:252
9362993615,19cyclictest0-21swapper/111:15:431
9362993614,20cyclictest0-21swapper/110:42:411
9361993616,17cyclictest0-21swapper/011:04:150
9361993612,21cyclictest0-21swapper/010:34:300
9361993610,23cyclictest0-21swapper/011:25:210
9361993610,23cyclictest0-21swapper/011:25:210
9361993610,19cyclictest0-21swapper/008:40:530
38602365,13sleep10-21swapper/108:09:461
315052365,13sleep20-21swapper/207:55:522
276412365,12sleep10-21swapper/109:02:401
202852360,3sleep330106-21stress12:30:093
187042365,13sleep10-21swapper/107:29:011
166042365,13sleep20-21swapper/207:24:492
164682365,13sleep30-21swapper/307:23:093
936399358,24cyclictest0-21swapper/209:45:212
936399356,26cyclictest0-21swapper/212:25:302
9363993513,20cyclictest0-21swapper/212:04:172
9363993513,19cyclictest0-21swapper/210:55:292
9363993513,19cyclictest0-21swapper/210:55:282
9362993514,19cyclictest0-21swapper/112:10:181
9362993514,12cyclictest0-21swapper/110:10:311
9362993514,12cyclictest0-21swapper/110:10:311
9362993513,19cyclictest0-21swapper/109:22:361
9362993511,22cyclictest0-21swapper/110:15:301
9362993511,22cyclictest0-21swapper/110:15:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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