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2026-06-08 - 00:09
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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 Sun Jun 07, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2219521310,1sleep015655-21stress11:51:280
26887211955,58sleep20-21swapper/207:05:572
2854121170,1sleep315653-21stress09:39:333
2854121170,1sleep315653-21stress09:39:333
26874211653,58sleep00-21swapper/007:05:470
243832940,1sleep124384-21date09:30:021
2688628352,26sleep10-21swapper/107:05:551
179852820,1sleep015655-21stress10:29:560
2533227951,23sleep30-21swapper/307:05:103
27316994315,18cyclictest0-21swapper/211:46:532
27315994215,17cyclictest0-21swapper/111:00:371
27315994211,28cyclictest0-21swapper/109:53:201
2731699418,30cyclictest0-21swapper/209:21:072
27316994115,23cyclictest0-21swapper/212:23:482
27315994114,24cyclictest0-21swapper/109:48:251
27315994113,16cyclictest0-21swapper/110:05:321
27315994112,18cyclictest0-21swapper/112:18:441
2731599408,22cyclictest0-21swapper/111:20:241
2731599408,22cyclictest0-21swapper/111:20:241
27315994016,21cyclictest0-21swapper/109:33:131
27315994011,26cyclictest0-21swapper/109:35:101
27315994011,26cyclictest0-21swapper/109:35:101
296352394,13sleep20-21swapper/208:25:202
27315993915,13cyclictest0-21swapper/110:47:051
27315993915,13cyclictest0-21swapper/110:47:041
27315993910,27cyclictest0-21swapper/110:31:391
86912385,13sleep10-21swapper/107:38:371
68942385,13sleep30-21swapper/308:49:393
43812385,13sleep20-21swapper/208:40:452
280162385,13sleep20-21swapper/208:21:202
27317993814,21cyclictest0-21swapper/310:45:313
27317993814,21cyclictest0-21swapper/310:45:303
27317993813,23cyclictest0-21swapper/311:30:353
27316993816,19cyclictest0-21swapper/209:25:132
2731599388,28cyclictest0-21swapper/111:17:021
2731599386,29cyclictest0-21swapper/111:40:261
27315993816,19cyclictest0-21swapper/110:04:271
27315993814,22cyclictest0-21swapper/112:06:571
27315993812,23cyclictest0-21swapper/110:15:401
27315993811,24cyclictest0-21swapper/112:35:371
27314993814,21cyclictest0-21swapper/011:06:120
23282385,13sleep30-21swapper/308:37:563
22922385,13sleep20-21swapper/208:37:312
172322385,13sleep20-21swapper/207:57:092
62832375,13sleep20-21swapper/207:30:352
41322375,13sleep30-21swapper/307:26:163
324342375,13sleep10-21swapper/108:31:221
292312375,13sleep30-21swapper/307:12:443
27317993716,18cyclictest0-21swapper/311:48:503
27317993712,22cyclictest0-21swapper/311:55:223
27317993712,22cyclictest0-21swapper/311:55:213
2731699378,11cyclictest0-21swapper/212:10:012
27316993713,21cyclictest0-21swapper/209:18:372
27316993711,23cyclictest0-21swapper/210:10:142
27316993711,23cyclictest0-21swapper/210:10:142
2731599379,20cyclictest0-21swapper/108:06:421
27315993715,19cyclictest0-21swapper/112:20:201
27315993711,23cyclictest0-21swapper/111:25:251
27315993711,23cyclictest0-21swapper/111:25:251
27315993711,23cyclictest0-21swapper/110:38:571
27315993711,23cyclictest0-21swapper/109:40:461
27315993710,24cyclictest0-21swapper/109:58:011
2731499378,27cyclictest0-21swapper/007:14:410
2731499375,22cyclictest0-21swapper/007:20:120
23262375,13sleep10-21swapper/108:37:551
194082375,13sleep10-21swapper/108:02:231
172562375,13sleep30-21swapper/307:57:273
154792375,13sleep10-21swapper/109:08:591
132442375,12sleep30-21swapper/309:03:203
130232375,13sleep20-21swapper/207:49:082
106222375,13sleep10-21swapper/107:40:491
87852365,13sleep30-21swapper/308:51:163
68602365,13sleep10-21swapper/108:49:131
44882365,13sleep10-21swapper/108:42:031
326622365,12sleep30-21swapper/308:34:123
285752365,13sleep10-21swapper/108:25:041
27317993614,20cyclictest0-21swapper/310:05:273
27317993610,23cyclictest0-21swapper/310:16:413
2731699367,26cyclictest0-21swapper/211:36:372
2731599367,27cyclictest0-21swapper/110:25:221
2731599365,23cyclictest0-21swapper/108:13:131
27315993616,18cyclictest0-21swapper/110:40:161
27315993615,19cyclictest0-21swapper/111:55:211
27315993615,19cyclictest0-21swapper/111:55:211
27315993614,20cyclictest0-21swapper/111:10:181
27315993613,21cyclictest0-21swapper/110:23:401
27315993610,23cyclictest0-21swapper/111:35:181
2731499369,19cyclictest0-21swapper/007:45:060
2731499369,19cyclictest0-21swapper/007:15:360
2731499369,19cyclictest0-21swapper/007:15:350
2731499368,20cyclictest0-21swapper/008:46:140
2731499368,19cyclictest0-21swapper/007:29:430
2731499367,20cyclictest0-21swapper/007:41:410
2731499365,19cyclictest0-21swapper/008:00:230
27314993615,18cyclictest0-21swapper/011:44:480
27314993613,20cyclictest0-21swapper/010:58:140
27314993612,21cyclictest0-21swapper/012:30:460
27314993612,21cyclictest0-21swapper/012:30:450
27314993610,18cyclictest0-21swapper/008:32:420
27314993610,13cyclictest0-21swapper/011:00:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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