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2026-03-10 - 01:58
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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 Mon Mar 09, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25771211855,58sleep10-21swapper/107:07:561
25669211453,56sleep20-21swapper/207:06:362
2561329567,23sleep30-21swapper/307:05:533
2574929152,34sleep00-21swapper/007:07:380
5882650,1sleep213115-21stress12:28:212
5682530,2sleep213111-21stress11:10:332
2603999409,28cyclictest0-21swapper/310:53:283
26039994011,26cyclictest0-21swapper/311:50:103
215822405,13sleep30-21swapper/308:10:253
26039993915,21cyclictest0-21swapper/309:46:083
26039993910,26cyclictest0-21swapper/311:15:583
26039993910,26cyclictest0-21swapper/311:15:583
2603699396,23cyclictest0-21swapper/010:30:330
26036993910,23cyclictest0-21swapper/008:45:040
26422385,13sleep20-21swapper/207:27:542
26039993816,20cyclictest0-21swapper/311:47:303
26039993816,19cyclictest0-21swapper/309:50:163
26039993815,20cyclictest0-21swapper/311:10:033
26039993811,25cyclictest0-21swapper/311:08:373
26039993810,25cyclictest0-21swapper/310:46:153
2603699387,28cyclictest0-21swapper/011:29:400
86772375,13sleep20-21swapper/208:58:442
86162375,13sleep10-21swapper/108:57:591
324242375,13sleep30-21swapper/308:37:203
308982375,13sleep10-21swapper/107:19:031
281652375,13sleep10-21swapper/108:27:071
280892375,13sleep20-21swapper/208:26:082
279852375,13sleep10-21swapper/107:13:341
279852375,13sleep10-21swapper/107:13:331
26039993717,12cyclictest0-21swapper/309:21:573
26039993715,19cyclictest0-21swapper/310:15:163
26039993710,24cyclictest0-21swapper/311:20:043
26039993710,24cyclictest0-21swapper/311:20:033
26038993714,20cyclictest0-21swapper/209:54:042
2603699379,22cyclictest0-21swapper/008:15:320
26036993711,23cyclictest0-21swapper/010:06:080
26036993711,23cyclictest0-21swapper/010:06:080
26036993710,24cyclictest0-21swapper/009:34:040
26036993710,22cyclictest0-21swapper/008:35:050
260272375,13sleep20-21swapper/208:21:552
238692375,13sleep20-21swapper/208:16:422
22192375,13sleep30-21swapper/308:43:253
21952375,13sleep10-21swapper/108:43:081
21022375,13sleep00-21swapper/008:41:540
198512375,13sleep20-21swapper/208:09:482
196972375,13sleep10-21swapper/108:07:511
155872375,13sleep20-21swapper/207:59:382
69652365,12sleep20-21swapper/207:38:042
4072365,13sleep00-21swapper/007:22:110
304852365,13sleep00-21swapper/008:34:400
281622365,12sleep30-21swapper/308:27:053
2603999369,24cyclictest0-21swapper/310:55:133
26039993617,17cyclictest0-21swapper/312:37:333
26039993617,17cyclictest0-21swapper/312:37:323
26039993616,17cyclictest0-21swapper/312:16:423
26039993613,21cyclictest0-21swapper/309:29:363
2603699369,21cyclictest0-21swapper/007:45:060
2603699368,22cyclictest0-21swapper/008:52:440
2603699367,26cyclictest0-21swapper/010:22:130
2603699365,28cyclictest0-21swapper/011:05:170
2603699365,24cyclictest0-21swapper/007:41:140
26036993616,18cyclictest0-21swapper/012:00:010
26036993615,18cyclictest0-21swapper/012:25:290
26036993611,19cyclictest0-21swapper/007:25:060
26036993610,21cyclictest0-21swapper/007:30:060
219652365,13sleep00-21swapper/008:14:270
21762365,12sleep20-21swapper/208:42:522
153442365,12sleep30-21swapper/307:56:303
153102364,13sleep10-21swapper/107:56:041
137482365,13sleep00-21swapper/007:55:030
134422364,13sleep30-21swapper/307:54:253
64532355,12sleep20-21swapper/208:52:282
26039993516,12cyclictest0-21swapper/310:01:203
26039993515,18cyclictest0-21swapper/310:10:293
26039993513,20cyclictest0-21swapper/311:40:203
26039993511,21cyclictest0-21swapper/309:35:233
26039993510,22cyclictest0-21swapper/312:00:293
26038993514,18cyclictest0-21swapper/212:05:082
2603699359,20cyclictest0-21swapper/007:11:440
2603699359,20cyclictest0-21swapper/007:11:440
2603699357,25cyclictest0-21swapper/011:39:550
2603699357,25cyclictest0-21swapper/010:56:410
2603699357,22cyclictest0-21swapper/009:05:050
2603699357,22cyclictest0-21swapper/009:05:050
2603699357,22cyclictest0-21swapper/007:50:230
26036993512,20cyclictest0-21swapper/009:42:230
26036993510,22cyclictest0-21swapper/011:30:480
26036993510,19cyclictest0-21swapper/008:55:200
108802354,13sleep10-21swapper/109:04:411
304362345,10sleep30-21swapper/308:34:033
2603999348,23cyclictest0-21swapper/311:55:323
26039993410,22cyclictest0-21swapper/312:05:143
26039993410,21cyclictest0-21swapper/309:40:173
2603899345,26cyclictest0-21swapper/210:30:342
26038993416,15cyclictest0-21swapper/212:35:292
26038993416,15cyclictest0-21swapper/212:35:292
26038993416,15cyclictest0-21swapper/211:09:342
26038993415,16cyclictest0-21swapper/211:15:422
26038993415,16cyclictest0-21swapper/211:15:422
26038993414,17cyclictest0-21swapper/211:38:402
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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