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2026-05-10 - 21:56
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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 May 10, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10318211959,20sleep20-21swapper/207:05:402
10322211351,23sleep10-21swapper/107:05:431
10590211150,56sleep30-21swapper/307:09:023
879828456,23sleep00-21swapper/007:05:100
10772994411,22cyclictest0-21swapper/209:15:212
1077299437,26cyclictest0-21swapper/210:55:312
1077299437,26cyclictest0-21swapper/210:55:312
10772994327,13cyclictest0-21swapper/210:43:032
10770994315,16cyclictest0-21swapper/011:25:010
1077099429,25cyclictest0-21swapper/010:35:320
1077099426,22cyclictest0-21swapper/012:28:200
10770994111,27cyclictest0-21swapper/011:58:480
10770994014,17cyclictest0-21swapper/011:25:320
10770994010,23cyclictest0-21swapper/008:45:170
310372395,13sleep30-21swapper/307:55:023
10771993911,25cyclictest0-21swapper/110:19:561
1077099399,27cyclictest0-21swapper/010:21:390
1077099399,27cyclictest0-21swapper/010:21:390
10770993915,17cyclictest0-21swapper/012:15:310
10770993910,23cyclictest0-21swapper/007:20:010
180152385,13sleep20-21swapper/207:25:002
118552384,13sleep30-21swapper/308:25:133
1077299388,20cyclictest0-21swapper/211:50:222
1077199385,24cyclictest0-21swapper/108:18:081
10771993815,21cyclictest0-21swapper/110:21:141
10771993815,21cyclictest0-21swapper/110:21:131
10771993815,20cyclictest0-21swapper/112:35:211
10771993814,22cyclictest0-21swapper/112:10:321
10771993814,21cyclictest0-21swapper/111:15:341
10770993816,19cyclictest0-21swapper/011:45:280
93422375,13sleep20-21swapper/208:19:392
179492375,13sleep30-21swapper/307:24:543
179422375,13sleep10-21swapper/108:39:111
157402374,13sleep30-21swapper/308:33:513
156532375,13sleep10-21swapper/108:32:451
114382375,13sleep20-21swapper/208:23:562
112382375,13sleep10-21swapper/108:21:251
10773993716,18cyclictest0-21swapper/310:07:263
1077199379,25cyclictest0-21swapper/109:45:301
1077199377,27cyclictest0-21swapper/112:28:071
10771993714,21cyclictest0-21swapper/111:55:141
10771993714,20cyclictest0-21swapper/111:01:271
10771993714,20cyclictest0-21swapper/110:25:241
10771993714,20cyclictest0-21swapper/110:25:231
10771993713,21cyclictest0-21swapper/111:21:551
1077099379,22cyclictest0-21swapper/008:20:060
1077099377,27cyclictest0-21swapper/010:30:080
1077099376,24cyclictest0-21swapper/007:45:430
10770993712,22cyclictest0-21swapper/010:15:020
93602365,13sleep00-21swapper/008:19:530
327612365,13sleep00-21swapper/007:56:020
308242365,13sleep00-21swapper/007:54:100
306252365,13sleep00-21swapper/009:06:080
285482365,13sleep00-21swapper/009:02:230
285132365,13sleep10-21swapper/109:01:561
278692365,10sleep30-21swapper/309:00:223
264272365,12sleep20-21swapper/208:57:312
242232365,13sleep00-21swapper/008:51:570
200352365,12sleep20-21swapper/208:43:452
177602365,13sleep10-21swapper/107:22:321
154902365,13sleep00-21swapper/008:30:440
125262364,13sleep30-21swapper/307:10:543
10772993612,21cyclictest0-21swapper/210:19:272
1077199368,25cyclictest0-21swapper/109:50:291
1077199367,19cyclictest0-21swapper/111:27:211
10771993615,14cyclictest0-21swapper/110:50:381
10771993614,14cyclictest0-21swapper/110:56:261
10771993614,14cyclictest0-21swapper/110:56:261
10771993612,21cyclictest0-21swapper/111:50:191
10771993612,21cyclictest0-21swapper/111:12:161
1077099367,26cyclictest0-21swapper/012:06:040
1077099367,26cyclictest0-21swapper/012:06:040
1077099367,26cyclictest0-21swapper/010:45:220
1077099367,23cyclictest0-21swapper/009:16:320
70322355,11sleep20-21swapper/208:12:482
308702355,12sleep10-21swapper/109:09:101
306672355,12sleep10-21swapper/107:52:191
284412355,12sleep10-21swapper/107:46:421
243562354,12sleep30-21swapper/307:39:143
241542355,12sleep10-21swapper/108:51:051
200642355,12sleep10-21swapper/108:44:081
197252354,13sleep30-21swapper/307:25:303
136542355,12sleep00-21swapper/008:29:430
1077399357,25cyclictest0-21swapper/309:39:213
10772993514,18cyclictest0-21swapper/209:41:022
10772993512,20cyclictest0-21swapper/211:05:292
10771993515,17cyclictest0-21swapper/111:40:351
10771993514,19cyclictest0-21swapper/111:37:281
10771993513,20cyclictest0-21swapper/112:00:161
10771993513,19cyclictest0-21swapper/109:55:321
10771993512,15cyclictest0-21swapper/110:36:551
10770993513,19cyclictest0-21swapper/012:30:060
10770993512,20cyclictest0-21swapper/009:20:230
10770993510,15cyclictest0-21swapper/009:35:320
8962344,12sleep30-21swapper/308:00:113
8962344,12sleep30-21swapper/308:00:103
154482345,10sleep30-21swapper/307:16:003
10773993421,11cyclictest0-21swapper/310:46:303
1077299349,22cyclictest0-21swapper/209:50:422
10772993413,18cyclictest0-21swapper/211:15:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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