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2025-11-14 - 00:14
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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 Nov 13, 2025 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27269212055,23sleep20-21swapper/207:05:472
27295211250,57sleep30-21swapper/307:06:083
4342880,2sleep316248-21stress09:45:323
4342880,2sleep316248-21stress09:45:313
2569728556,24sleep00-21swapper/007:05:080
2568728542,41sleep10-21swapper/107:05:051
27703994410,31cyclictest0-21swapper/012:05:270
27707994317,23cyclictest0-21swapper/310:10:323
27705994328,13cyclictest0-21swapper/211:18:362
27705994211,28cyclictest0-21swapper/212:03:202
27707994118,15cyclictest0-21swapper/312:35:203
27705994114,24cyclictest0-21swapper/210:34:002
2770399419,29cyclictest0-21swapper/010:56:180
2770399407,30cyclictest0-21swapper/010:16:520
27707993916,21cyclictest0-21swapper/312:10:283
27707993916,21cyclictest0-21swapper/312:10:273
27705993921,15cyclictest0-21swapper/209:30:462
27705993911,25cyclictest0-21swapper/212:36:392
27705993910,26cyclictest0-21swapper/210:35:032
27705993815,20cyclictest0-21swapper/211:33:512
27705993810,25cyclictest0-21swapper/210:49:512
2770399387,28cyclictest0-21swapper/010:25:570
27703993819,17cyclictest0-21swapper/009:38:530
27703993815,20cyclictest0-21swapper/011:37:460
67052375,13sleep20-21swapper/207:32:422
50522375,13sleep20-21swapper/208:43:392
297622375,13sleep00-21swapper/007:14:070
29262375,13sleep00-21swapper/008:39:240
286812375,13sleep20-21swapper/208:22:142
2770599379,25cyclictest0-21swapper/211:28:432
27705993716,18cyclictest0-21swapper/211:10:162
27705993715,19cyclictest0-21swapper/210:00:162
27705993710,24cyclictest0-21swapper/212:15:342
27705993710,24cyclictest0-21swapper/211:05:152
27704993715,20cyclictest0-21swapper/109:51:471
27704993714,21cyclictest0-21swapper/111:41:231
27704993712,22cyclictest0-21swapper/110:35:241
27703993715,20cyclictest0-21swapper/009:13:460
27703993715,20cyclictest0-21swapper/009:13:460
27703993712,22cyclictest0-21swapper/011:45:180
27703993712,22cyclictest0-21swapper/011:04:370
27703993712,22cyclictest0-21swapper/011:04:360
27703993711,23cyclictest0-21swapper/010:37:150
219582375,13sleep20-21swapper/208:05:422
198082375,13sleep00-21swapper/008:01:230
71242365,13sleep10-21swapper/108:46:581
324912365,13sleep00-21swapper/007:16:240
307472365,13sleep10-21swapper/108:26:141
27707993620,14cyclictest0-21swapper/311:10:533
27707993619,15cyclictest0-21swapper/309:40:303
27707993619,15cyclictest0-21swapper/309:40:303
27707993618,15cyclictest0-21swapper/312:03:473
27707993617,16cyclictest0-21swapper/312:20:183
27707993616,17cyclictest0-21swapper/310:50:283
27707993615,19cyclictest0-21swapper/310:08:243
27707993611,22cyclictest0-21swapper/309:15:283
2770599365,19cyclictest0-21swapper/210:40:272
27704993612,22cyclictest0-21swapper/110:04:041
27703993616,17cyclictest0-21swapper/012:23:230
27703993612,13cyclictest0-21swapper/011:58:320
244902365,13sleep20-21swapper/208:14:562
161682365,12sleep20-21swapper/209:09:572
161682365,12sleep20-21swapper/209:09:572
159532365,13sleep00-21swapper/009:07:230
159532365,13sleep00-21swapper/009:07:220
156622365,13sleep00-21swapper/007:54:290
50462355,12sleep10-21swapper/108:43:341
29742355,12sleep20-21swapper/208:39:582
287712355,13sleep10-21swapper/108:23:171
2770799357,25cyclictest0-21swapper/309:20:533
27707993518,15cyclictest0-21swapper/312:15:413
27707993518,15cyclictest0-21swapper/309:50:223
27707993517,15cyclictest0-21swapper/311:38:063
27707993517,15cyclictest0-21swapper/310:40:013
27707993513,19cyclictest0-21swapper/311:24:163
27705993514,18cyclictest0-21swapper/211:50:202
27705993513,19cyclictest0-21swapper/210:26:182
27705993512,20cyclictest0-21swapper/211:21:142
27705993512,20cyclictest0-21swapper/210:20:352
27705993512,20cyclictest0-21swapper/210:20:342
27705993511,21cyclictest0-21swapper/209:25:312
27705993510,22cyclictest0-21swapper/209:40:182
27705993510,22cyclictest0-21swapper/209:40:172
27704993516,17cyclictest0-21swapper/111:27:021
2770399359,16cyclictest0-21swapper/009:55:410
2770399358,24cyclictest0-21swapper/012:15:120
27703993514,18cyclictest0-21swapper/010:20:200
27703993514,18cyclictest0-21swapper/010:20:190
27703993513,20cyclictest0-21swapper/011:44:370
27703993511,21cyclictest0-21swapper/010:54:340
220532355,12sleep10-21swapper/108:06:451
21812355,12sleep00-21swapper/007:20:490
90032345,12sleep10-21swapper/107:38:541
69902345,11sleep00-21swapper/008:45:300
50602345,10sleep30-21swapper/308:43:443
2770799348,24cyclictest0-21swapper/308:00:313
2770799348,23cyclictest0-21swapper/310:25:293
2770799342,29cyclictest0-21swapper/311:05:283
27707993417,15cyclictest0-21swapper/311:47:413
2770599349,22cyclictest0-21swapper/212:20:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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