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2026-05-06 - 12:46
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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 Wed May 06, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20141212258,58sleep30-21swapper/319:08:083
20250211452,57sleep00-21swapper/019:09:280
19962210950,21sleep20-21swapper/219:05:532
1993428351,24sleep10-21swapper/119:05:331
20401994215,24cyclictest0-21swapper/322:10:023
20401994215,24cyclictest0-21swapper/322:10:023
20398994212,20cyclictest0-21swapper/022:10:260
20398994212,20cyclictest0-21swapper/022:10:250
20400994111,27cyclictest0-21swapper/223:11:392
2039999408,22cyclictest0-21swapper/123:05:361
20399994012,26cyclictest0-21swapper/121:59:051
20399994010,27cyclictest0-21swapper/122:27:591
20401993914,22cyclictest0-21swapper/322:08:293
2040099397,23cyclictest0-21swapper/221:20:312
20400993912,24cyclictest0-21swapper/223:57:272
20398993910,23cyclictest0-21swapper/019:40:140
251662385,13sleep30-21swapper/319:16:373
221512385,13sleep20-21swapper/219:10:312
2040099388,20cyclictest0-21swapper/222:05:282
2039999389,26cyclictest0-21swapper/122:08:321
2039999388,27cyclictest0-21swapper/122:30:281
2039899388,24cyclictest0-21swapper/020:53:130
2039899388,23cyclictest0-21swapper/020:40:150
2039899385,27cyclictest0-21swapper/019:10:280
20398993813,17cyclictest0-21swapper/021:21:240
79812375,13sleep20-21swapper/221:07:042
79812375,13sleep20-21swapper/221:07:032
58142375,13sleep30-21swapper/319:47:093
315912375,13sleep30-21swapper/320:46:033
295072375,13sleep20-21swapper/220:42:062
275012375,13sleep10-21swapper/120:38:431
272492375,13sleep10-21swapper/119:20:521
254442375,13sleep20-21swapper/220:34:512
208732375,13sleep20-21swapper/220:21:482
2040199379,25cyclictest0-21swapper/321:56:543
2040199379,25cyclictest0-21swapper/321:42:533
20401993717,18cyclictest0-21swapper/322:35:253
2040099376,28cyclictest0-21swapper/223:24:302
2040099376,28cyclictest0-21swapper/223:24:292
20400993712,23cyclictest0-21swapper/221:14:572
20399993715,20cyclictest0-21swapper/123:25:051
20399993715,20cyclictest0-21swapper/123:25:051
20399993710,24cyclictest0-21swapper/121:34:111
20399993710,24cyclictest0-21swapper/121:34:101
2039899378,23cyclictest0-21swapper/020:25:210
2039899376,24cyclictest0-21swapper/019:25:060
2039899376,24cyclictest0-21swapper/019:25:050
81382365,13sleep10-21swapper/121:09:031
81382365,13sleep10-21swapper/121:09:031
37262365,12sleep30-21swapper/319:43:163
295772365,13sleep10-21swapper/119:28:111
295772365,13sleep10-21swapper/119:28:101
252402365,13sleep10-21swapper/119:17:271
210092365,12sleep30-21swapper/320:23:263
20400993613,20cyclictest0-21swapper/222:21:332
20399993615,19cyclictest0-21swapper/123:57:511
2039899369,22cyclictest0-21swapper/020:10:070
2039899368,22cyclictest0-21swapper/021:05:490
2039899368,22cyclictest0-21swapper/021:05:490
2039899366,23cyclictest0-21swapper/020:05:490
2039899365,25cyclictest0-21swapper/020:45:450
2039899365,25cyclictest0-21swapper/020:35:260
2039899365,24cyclictest0-21swapper/020:20:420
20398993610,20cyclictest0-21swapper/019:50:340
20398993610,19cyclictest0-21swapper/022:55:320
20398993610,19cyclictest0-21swapper/020:30:220
166062365,12sleep20-21swapper/220:12:152
15822365,13sleep10-21swapper/119:39:021
143902365,12sleep30-21swapper/320:06:493
123082365,13sleep10-21swapper/120:02:351
80222355,13sleep30-21swapper/321:07:373
80222355,13sleep30-21swapper/321:07:373
317152355,11sleep00-21swapper/019:32:380
294072355,12sleep30-21swapper/320:40:503
275122355,13sleep30-21swapper/319:24:033
20401993513,20cyclictest0-21swapper/300:25:423
2040099355,14cyclictest0-21swapper/222:30:202
20400993516,16cyclictest0-21swapper/221:31:392
20400993516,16cyclictest0-21swapper/221:31:382
20400993516,16cyclictest0-21swapper/200:05:142
20400993515,18cyclictest0-21swapper/221:50:342
20400993511,21cyclictest0-21swapper/223:25:592
20400993511,21cyclictest0-21swapper/223:25:592
20400993511,21cyclictest0-21swapper/221:15:062
2039999359,23cyclictest0-21swapper/122:35:281
2039999356,27cyclictest0-21swapper/123:40:271
2039999356,26cyclictest0-21swapper/100:30:291
20399993515,17cyclictest0-21swapper/122:55:321
2039899358,21cyclictest0-21swapper/021:04:430
2039899356,23cyclictest0-21swapper/020:04:140
2039899356,21cyclictest0-21swapper/019:39:290
2039899355,24cyclictest0-21swapper/019:45:230
2039899355,24cyclictest0-21swapper/019:15:050
20398993516,17cyclictest0-21swapper/020:59:430
20398993515,19cyclictest0-21swapper/019:56:090
20398993510,22cyclictest0-21swapper/023:43:270
186632355,12sleep10-21swapper/120:16:101
80692345,10sleep20-21swapper/219:53:212
318812345,10sleep20-21swapper/220:49:362
316862345,10sleep10-21swapper/119:32:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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