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2025-11-18 - 06:28
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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 Tue Nov 18, 2025 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
971921240,1sleep113378-21stress23:29:191
24317212259,23sleep30-21swapper/319:05:323
24412211552,58sleep20-21swapper/219:06:392
24320210850,22sleep10-21swapper/119:05:341
22803210348,48sleep00-21swapper/019:05:130
2477999566,46cyclictest0-21swapper/000:10:230
2477999555,47cyclictest0-21swapper/021:50:220
2477999536,44cyclictest0-21swapper/023:50:000
2477999536,44cyclictest0-21swapper/023:10:330
2477999536,44cyclictest0-21swapper/021:30:280
2477999536,44cyclictest0-21swapper/021:30:280
2477999536,44cyclictest0-21swapper/000:25:270
2477999536,44cyclictest0-21swapper/000:25:270
2477999536,43cyclictest0-21swapper/023:50:340
2477999526,43cyclictest0-21swapper/022:50:140
2477999526,43cyclictest0-21swapper/022:25:260
2477999526,43cyclictest0-21swapper/022:15:010
2477999526,43cyclictest0-21swapper/021:45:000
2477999526,43cyclictest0-21swapper/021:20:250
2477999526,43cyclictest0-21swapper/000:00:240
2477999526,42cyclictest0-21swapper/022:00:270
2477999526,42cyclictest0-21swapper/000:15:260
2477999526,21cyclictest0-21swapper/023:40:200
2477999526,21cyclictest0-21swapper/021:25:320
2477999516,42cyclictest0-21swapper/022:55:260
2477999516,42cyclictest0-21swapper/022:45:050
2477999516,42cyclictest0-21swapper/022:45:040
2477999516,42cyclictest0-21swapper/022:30:290
2477999516,42cyclictest0-21swapper/000:35:200
2477999516,42cyclictest0-21swapper/000:30:280
2477999516,42cyclictest0-21swapper/000:30:270
2477999516,42cyclictest0-21swapper/000:20:310
2477999516,41cyclictest0-21swapper/023:35:160
2477999516,41cyclictest0-21swapper/021:10:320
2477999516,38cyclictest0-21swapper/023:25:250
2477999516,22cyclictest0-21swapper/022:42:590
2477999516,22cyclictest0-21swapper/022:42:590
2477999516,21cyclictest0-21swapper/021:45:170
2477999515,43cyclictest0-21swapper/022:15:270
2477999515,43cyclictest0-21swapper/022:15:260
2477999506,42cyclictest0-21swapper/021:55:210
2477999506,41cyclictest0-21swapper/023:55:160
2477999506,41cyclictest0-21swapper/023:55:160
2477999506,41cyclictest0-21swapper/023:30:290
2477999506,41cyclictest0-21swapper/023:20:170
2477999506,41cyclictest0-21swapper/023:00:180
2477999506,39cyclictest0-21swapper/021:35:200
2477999506,39cyclictest0-21swapper/021:35:190
2477999506,22cyclictest0-21swapper/022:35:350
2477999496,40cyclictest0-21swapper/023:15:180
2477999496,40cyclictest0-21swapper/000:08:490
2477999496,39cyclictest0-21swapper/021:16:000
2477999496,37cyclictest0-21swapper/022:20:350
2477999496,21cyclictest0-21swapper/022:05:340
24780994814,21cyclictest0-21swapper/121:55:541
2477999475,14cyclictest0-21swapper/019:53:060
2477999475,12cyclictest0-21swapper/019:41:560
2477999465,24cyclictest0-21swapper/020:57:460
2477999465,24cyclictest0-21swapper/020:23:360
2477999465,24cyclictest0-21swapper/020:07:560
2477999465,24cyclictest0-21swapper/019:47:170
2477999465,20cyclictest0-21swapper/019:30:450
2477999465,20cyclictest0-21swapper/019:22:350
2477999456,19cyclictest0-21swapper/020:01:400
2477999455,24cyclictest0-21swapper/021:05:370
2477999455,24cyclictest0-21swapper/019:36:360
2477999455,23cyclictest0-21swapper/020:42:060
2477999455,23cyclictest0-21swapper/019:57:370
2477999455,20cyclictest0-21swapper/020:32:170
2477999455,12cyclictest0-21swapper/019:26:070
2477999446,35cyclictest0-21swapper/019:15:120
2477999446,20cyclictest0-21swapper/021:00:140
2477999446,20cyclictest0-21swapper/020:45:220
2477999445,12cyclictest0-21swapper/020:26:160
2477999445,12cyclictest0-21swapper/020:15:470
24779994414,28cyclictest0-21swapper/020:35:200
2477999435,15cyclictest0-21swapper/019:10:250
2477999435,15cyclictest0-21swapper/019:10:250
2477999425,19cyclictest0-21swapper/020:13:440
2477999415,17cyclictest0-21swapper/020:50:190
61412405,14sleep30-21swapper/319:39:293
41482404,14sleep20-21swapper/220:45:472
24780994023,14cyclictest0-21swapper/123:20:271
24780994014,14cyclictest0-21swapper/121:39:421
24780994014,14cyclictest0-21swapper/121:39:411
24780994011,19cyclictest0-21swapper/122:18:491
24780994011,19cyclictest0-21swapper/122:18:491
2477999405,17cyclictest0-21swapper/023:10:010
66102395,14sleep30-21swapper/320:54:033
24781993915,21cyclictest0-21swapper/223:47:322
132082395,14sleep30-21swapper/321:08:543
108902395,14sleep30-21swapper/321:02:163
104672395,14sleep30-21swapper/319:48:183
300192385,14sleep20-21swapper/220:30:282
257682385,14sleep20-21swapper/220:22:052
24781993810,25cyclictest0-21swapper/222:03:132
24780993822,13cyclictest0-21swapper/122:57:581
86512375,11sleep30-21swapper/320:57:113
24783993715,19cyclictest0-21swapper/322:59:293
24781993715,19cyclictest0-21swapper/222:51:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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