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2025-05-12 - 07:18
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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 50 highest latencies:
System rack7slot1.osadl.org (updated Thu May 08, 2025 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1279621140,1sleep112972-21stress11:34:141
1279621140,1sleep112972-21stress11:34:141
1842729749,17sleep30-21swapper/307:05:163
1877029253,34sleep20-21swapper/207:09:322
1853728948,18sleep00-21swapper/007:06:330
1850228758,24sleep10-21swapper/107:06:101
18925994612,19cyclictest0-21swapper/111:54:471
91082450,1sleep312970-21stress12:36:143
18925994211,28cyclictest0-21swapper/111:04:341
18926994111,27cyclictest0-21swapper/210:26:472
18925994112,19cyclictest0-21swapper/112:30:321
18925994012,12cyclictest0-21swapper/109:57:511
18925993910,26cyclictest0-21swapper/112:29:051
18924993910,26cyclictest0-21swapper/010:55:250
81282385,13sleep30-21swapper/308:57:363
60202385,13sleep30-21swapper/308:54:123
326322385,13sleep30-21swapper/308:42:043
275982385,13sleep30-21swapper/308:08:123
267752385,13sleep30-21swapper/308:01:393
214472385,13sleep30-21swapper/307:22:203
205882385,13sleep20-21swapper/207:15:132
1892699389,26cyclictest0-21swapper/212:05:452
18926993817,13cyclictest0-21swapper/209:30:532
18926993814,21cyclictest0-21swapper/212:12:092
18925993815,20cyclictest0-21swapper/110:10:351
18925993815,20cyclictest0-21swapper/110:10:351
82262375,12sleep20-21swapper/208:58:512
82092375,13sleep10-21swapper/108:58:381
60872375,13sleep20-21swapper/208:54:582
315032375,13sleep10-21swapper/108:36:451
302752375,13sleep10-21swapper/108:28:201
297552375,12sleep30-21swapper/308:25:013
261812375,13sleep10-21swapper/107:57:311
236142375,12sleep20-21swapper/207:38:552
18926993710,24cyclictest0-21swapper/211:35:212
18925993715,19cyclictest0-21swapper/109:40:081
18924993710,24cyclictest0-21swapper/010:53:120
18924993710,24cyclictest0-21swapper/010:53:110
105082375,13sleep30-21swapper/309:03:493
315832364,13sleep20-21swapper/208:37:432
302632364,12sleep20-21swapper/208:28:122
296262365,13sleep00-21swapper/008:23:240
268452365,13sleep00-21swapper/008:02:270
207602365,12sleep00-21swapper/007:17:120
18930993616,17cyclictest0-21swapper/312:00:083
18930993615,19cyclictest0-21swapper/311:25:243
18930993615,19cyclictest0-21swapper/311:25:243
18926993615,18cyclictest0-21swapper/210:37:442
18926993610,23cyclictest0-21swapper/210:00:172
18925993614,19cyclictest0-21swapper/112:21:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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