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2026-07-02 - 23:54
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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 Thu Jul 02, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2288921600,1sleep231634-21stress10:00:542
3240921430,1sleep031631-21stress11:39:490
8398211751,59sleep00-21swapper/007:05:010
8676211252,20sleep10-21swapper/107:05:061
10454211146,59sleep30-21swapper/307:08:503
867228860,23sleep20-21swapper/207:05:032
1066399457,24cyclictest0-21swapper/110:08:201
10664994416,24cyclictest0-21swapper/212:11:442
10664994315,25cyclictest0-21swapper/209:44:392
1066299437,16cyclictest0-21swapper/009:23:450
1066299437,16cyclictest0-21swapper/009:23:450
10662994214,18cyclictest0-21swapper/010:49:590
10662994210,29cyclictest0-21swapper/011:13:190
10664994116,22cyclictest0-21swapper/209:38:212
1066299416,24cyclictest0-21swapper/009:49:310
10662994115,23cyclictest0-21swapper/012:19:530
10662994115,23cyclictest0-21swapper/012:19:520
10662994111,21cyclictest0-21swapper/011:05:120
10662994111,21cyclictest0-21swapper/011:05:120
10665994012,25cyclictest0-21swapper/309:41:433
10665994011,26cyclictest0-21swapper/309:20:353
10665994011,26cyclictest0-21swapper/309:20:343
10662994017,16cyclictest0-21swapper/009:00:370
10662994016,22cyclictest0-21swapper/011:51:300
10662994015,22cyclictest0-21swapper/012:08:200
10662994013,24cyclictest0-21swapper/009:35:320
10472400,1sleep331631-21stress09:11:003
240662395,13sleep20-21swapper/207:35:232
1066499397,29cyclictest0-21swapper/212:38:242
10664993914,22cyclictest0-21swapper/212:30:002
1066299398,28cyclictest0-21swapper/010:02:190
1066299398,24cyclictest0-21swapper/007:33:120
10662993915,21cyclictest0-21swapper/011:33:500
10662993914,22cyclictest0-21swapper/012:30:120
10662993914,22cyclictest0-21swapper/010:50:360
10662993911,25cyclictest0-21swapper/011:04:360
10662993911,25cyclictest0-21swapper/011:04:350
263582385,13sleep20-21swapper/207:41:102
220622385,13sleep20-21swapper/207:32:192
197732385,13sleep20-21swapper/207:26:012
182342385,13sleep30-21swapper/308:37:293
10665993816,19cyclictest0-21swapper/309:31:273
10665993810,25cyclictest0-21swapper/309:48:423
10664993815,20cyclictest0-21swapper/211:29:332
10664993815,20cyclictest0-21swapper/209:54:262
10664993814,21cyclictest0-21swapper/211:00:522
10664993814,21cyclictest0-21swapper/211:00:522
10664993812,24cyclictest0-21swapper/210:58:302
1066399386,29cyclictest0-21swapper/109:12:461
1066399385,30cyclictest0-21swapper/112:10:251
10663993823,13cyclictest0-21swapper/111:58:091
1066299386,21cyclictest0-21swapper/009:25:120
10662993817,15cyclictest0-21swapper/007:20:160
10662993816,19cyclictest0-21swapper/010:30:100
10662993814,22cyclictest0-21swapper/012:23:580
7722375,13sleep10-21swapper/107:59:331
71712375,13sleep20-21swapper/208:10:482
52252375,13sleep10-21swapper/108:09:111
309202375,13sleep30-21swapper/307:53:223
30262375,13sleep10-21swapper/108:04:181
284762375,13sleep20-21swapper/207:45:422
266292375,13sleep30-21swapper/307:44:313
249812375,13sleep20-21swapper/208:55:002
247222375,13sleep00-21swapper/008:51:530
226942375,13sleep10-21swapper/108:49:051
198902375,13sleep30-21swapper/307:27:313
165412375,13sleep10-21swapper/108:35:091
126032375,13sleep20-21swapper/207:13:032
117482375,13sleep10-21swapper/108:23:421
114932375,13sleep30-21swapper/308:20:283
10665993714,20cyclictest0-21swapper/311:25:223
10664993715,19cyclictest0-21swapper/212:01:292
10662993713,21cyclictest0-21swapper/012:25:430
93352365,12sleep30-21swapper/308:15:433
73362365,13sleep00-21swapper/008:12:550
308092365,12sleep20-21swapper/207:51:562
269702365,12sleep30-21swapper/308:57:453
246292365,12sleep10-21swapper/108:50:491
243612365,12sleep30-21swapper/307:38:493
242422365,13sleep00-21swapper/007:37:220
199922365,13sleep00-21swapper/007:28:480
160672365,13sleep00-21swapper/008:32:520
159272365,13sleep30-21swapper/308:31:103
154582365,12sleep30-21swapper/307:16:363
126522365,13sleep10-21swapper/107:13:371
115072365,12sleep20-21swapper/208:20:392
10664993616,17cyclictest0-21swapper/210:11:072
1066399368,25cyclictest0-21swapper/109:31:101
1066399366,16cyclictest0-21swapper/111:15:171
1066299366,20cyclictest0-21swapper/010:16:210
10662993613,20cyclictest0-21swapper/010:14:450
10662993613,18cyclictest0-21swapper/008:35:240
10662993610,23cyclictest0-21swapper/012:35:180
51732355,10sleep20-21swapper/208:08:332
51642355,12sleep30-21swapper/308:08:253
5152355,12sleep00-21swapper/007:56:230
268202355,12sleep00-21swapper/008:55:500
267902355,13sleep20-21swapper/208:55:272
225332355,10sleep20-21swapper/208:47:012
177012355,10sleep20-21swapper/207:21:522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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