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2026-03-28 - 10:50
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6.osadl.org (updated Sat Mar 28, 2026 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
620321180,7chrt6204-21cut22:40:000
2788629921,32sleep10-21swapper/119:06:031
313002860,6sleep131296-21needreboot23:45:371
2812228019,50sleep00-21swapper/019:08:350
28454997736,35cyclictest26-21ksoftirqd/122:05:221
28454997736,35cyclictest26-21ksoftirqd/122:05:211
28449997640,30cyclictest14-21ksoftirqd/000:10:290
176692750,7sleep00-21swapper/023:10:020
28449997238,29cyclictest14-21ksoftirqd/019:46:590
28449997230,35cyclictest0-21swapper/019:25:130
28449997113,16cyclictest0-21swapper/020:35:140
28449997113,16cyclictest0-21swapper/020:00:110
28454996940,17cyclictest26-21ksoftirqd/100:35:251
28454996936,27cyclictest26-21ksoftirqd/100:00:031
28449996932,31cyclictest14-21ksoftirqd/023:20:110
28449996932,31cyclictest14-21ksoftirqd/023:20:110
28449996853,11cyclictest14-21ksoftirqd/020:55:120
28449996835,28cyclictest14-21ksoftirqd/023:12:490
28454996752,10cyclictest26-21ksoftirqd/121:55:181
28454996746,9cyclictest26-21ksoftirqd/121:01:071
28454996729,8cyclictest26-21ksoftirqd/119:20:201
28454996637,17cyclictest26-21ksoftirqd/121:08:041
28449996633,18cyclictest14-21ksoftirqd/022:00:150
28449996633,18cyclictest14-21ksoftirqd/021:00:210
28449996613,47cyclictest0-21swapper/019:30:120
28449996612,15cyclictest0-21swapper/020:45:150
28449996612,15cyclictest0-21swapper/000:30:140
28454996549,10cyclictest26-21ksoftirqd/122:20:211
28454996540,19cyclictest26-21ksoftirqd/120:30:401
28454996534,19cyclictest26-21ksoftirqd/123:26:431
28454996534,18cyclictest26-21ksoftirqd/120:37:331
28449996540,10cyclictest14-21ksoftirqd/021:05:190
28449996535,11cyclictest14-21ksoftirqd/023:17:550
28449996512,47cyclictest0-21swapper/000:05:140
28454996440,19cyclictest26-21ksoftirqd/100:10:281
28454996440,18cyclictest26-21ksoftirqd/121:50:261
28454996439,19cyclictest26-21ksoftirqd/122:37:021
28454996439,19cyclictest26-21ksoftirqd/121:35:321
28454996439,19cyclictest26-21ksoftirqd/120:09:371
28454996439,19cyclictest26-21ksoftirqd/119:55:201
28454996439,19cyclictest26-21ksoftirqd/119:10:291
28454996439,18cyclictest26-21ksoftirqd/123:45:001
28454996438,20cyclictest26-21ksoftirqd/121:20:191
28454996436,17cyclictest26-21ksoftirqd/119:50:291
2844999646,18cyclictest1039-21apt-get22:25:120
28449996441,9cyclictest14-21ksoftirqd/021:15:440
28449996441,9cyclictest14-21ksoftirqd/019:50:400
28449996441,9cyclictest14-21ksoftirqd/019:20:190
28449996441,9cyclictest14-21ksoftirqd/019:15:300
28449996440,9cyclictest14-21ksoftirqd/022:20:200
28449996440,9cyclictest14-21ksoftirqd/021:40:170
28449996440,9cyclictest14-21ksoftirqd/019:35:200
28449996440,10cyclictest14-21ksoftirqd/020:50:290
28449996440,10cyclictest14-21ksoftirqd/020:50:280
28449996440,10cyclictest14-21ksoftirqd/019:10:200
28449996439,11cyclictest14-21ksoftirqd/022:10:250
28449996439,10cyclictest14-21ksoftirqd/023:55:200
28449996434,9cyclictest14-21ksoftirqd/023:30:450
34542630,7sleep03283-40mandb00:00:030
28454996339,19cyclictest26-21ksoftirqd/123:50:251
28454996339,19cyclictest26-21ksoftirqd/119:40:281
28454996339,18cyclictest26-21ksoftirqd/122:40:051
28454996339,18cyclictest26-21ksoftirqd/120:10:161
28454996339,18cyclictest26-21ksoftirqd/119:15:211
28454996338,19cyclictest26-21ksoftirqd/123:35:371
28454996338,19cyclictest26-21ksoftirqd/123:35:371
28454996338,19cyclictest26-21ksoftirqd/120:20:191
28454996338,19cyclictest26-21ksoftirqd/100:25:221
28454996337,20cyclictest26-21ksoftirqd/120:25:381
28449996341,9cyclictest14-21ksoftirqd/021:10:340
28449996341,8cyclictest14-21ksoftirqd/022:15:230
28449996340,9cyclictest14-21ksoftirqd/023:35:210
28449996340,9cyclictest14-21ksoftirqd/023:35:200
28449996340,9cyclictest14-21ksoftirqd/022:50:260
28449996340,9cyclictest14-21ksoftirqd/022:45:200
28449996340,9cyclictest14-21ksoftirqd/022:05:210
28449996340,9cyclictest14-21ksoftirqd/022:05:200
28449996340,9cyclictest14-21ksoftirqd/021:55:200
28449996340,9cyclictest14-21ksoftirqd/021:45:340
28449996340,9cyclictest14-21ksoftirqd/021:45:330
28449996340,9cyclictest14-21ksoftirqd/021:20:250
28449996340,9cyclictest14-21ksoftirqd/020:30:000
28449996340,9cyclictest14-21ksoftirqd/020:20:530
28449996340,9cyclictest14-21ksoftirqd/000:20:330
28449996340,9cyclictest14-21ksoftirqd/000:15:200
28449996340,8cyclictest14-21ksoftirqd/020:10:300
28449996339,9cyclictest14-21ksoftirqd/022:30:260
28449996339,9cyclictest14-21ksoftirqd/019:40:120
28449996339,9cyclictest14-21ksoftirqd/000:35:360
28449996339,9cyclictest14-21ksoftirqd/000:25:240
28449996339,10cyclictest14-21ksoftirqd/023:45:400
28449996339,10cyclictest14-21ksoftirqd/023:40:350
28449996339,10cyclictest14-21ksoftirqd/021:35:360
28449996339,10cyclictest14-21ksoftirqd/020:30:340
28449996339,10cyclictest14-21ksoftirqd/020:05:300
28449996338,9cyclictest14-21ksoftirqd/023:25:350
28449996335,8cyclictest14-21ksoftirqd/021:35:020
28454996239,18cyclictest26-21ksoftirqd/120:45:131
28454996239,18cyclictest26-21ksoftirqd/120:00:551
28454996239,17cyclictest26-21ksoftirqd/122:55:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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