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2026-06-17 - 01:55
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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 Tue Jun 16, 2026 12:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5093212158,23sleep30-21swapper/307:07:463
2787521180,1sleep226104-21stress09:10:402
5212211654,20sleep20-21swapper/207:09:132
5037211555,20sleep00-21swapper/007:07:020
5256211454,21sleep10-21swapper/107:09:441
74292500,1sleep126106-21stress09:40:151
537999455,29cyclictest0-21swapper/009:55:320
537999455,29cyclictest0-21swapper/009:55:320
5380994211,28cyclictest0-21swapper/111:33:221
537999417,23cyclictest0-21swapper/010:55:360
5379994115,18cyclictest0-21swapper/010:33:050
5379994115,18cyclictest0-21swapper/010:33:050
134922410,1sleep326106-21stress11:09:043
5382994023,15cyclictest0-21swapper/311:53:273
538099406,31cyclictest0-21swapper/111:10:281
538099406,31cyclictest0-21swapper/109:57:201
538099406,31cyclictest0-21swapper/109:57:201
5380994011,26cyclictest0-21swapper/111:28:321
5380994010,28cyclictest0-21swapper/109:52:151
5380994010,28cyclictest0-21swapper/109:52:141
89392395,13sleep30-21swapper/308:30:073
71942395,13sleep20-21swapper/207:10:502
537999399,23cyclictest0-21swapper/008:20:500
537999399,23cyclictest0-21swapper/008:20:500
5379993913,23cyclictest0-21swapper/011:37:570
5379993912,24cyclictest0-21swapper/010:23:300
307272390,1sleep226106-21stress11:46:562
219922390,1sleep226104-21stress11:26:402
63242385,13sleep30-21swapper/308:22:523
63242385,13sleep30-21swapper/308:22:523
538199388,18cyclictest0-21swapper/210:25:232
5380993811,24cyclictest0-21swapper/111:06:231
5380993810,25cyclictest0-21swapper/112:25:261
537999384,24cyclictest0-21swapper/011:10:210
5379993815,20cyclictest0-21swapper/012:15:430
5379993815,20cyclictest0-21swapper/012:15:430
5379993812,23cyclictest0-21swapper/012:30:030
300132385,13sleep20-21swapper/208:04:552
253152385,13sleep30-21swapper/307:50:373
102532385,13sleep30-21swapper/307:17:283
64792375,13sleep10-21swapper/108:24:481
64792375,13sleep10-21swapper/108:24:471
5382993712,22cyclictest0-21swapper/311:31:293
538099378,27cyclictest0-21swapper/109:45:231
5380993714,20cyclictest0-21swapper/110:14:031
5380993710,24cyclictest0-21swapper/110:30:501
5380993710,24cyclictest0-21swapper/110:30:491
537999378,22cyclictest0-21swapper/007:20:070
5379993717,17cyclictest0-21swapper/009:12:310
5379993711,23cyclictest0-21swapper/011:29:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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