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2026-08-09 - 07:50
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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 Sun Aug 09, 2026 00:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2258329218,27sleep00-21swapper/019:09:490
2228329115,32sleep10-21swapper/119:07:081
238372790,5chrt23840-21aten2.4_r3power22:10:191
177312790,6sleep117734-21latency_hist23:25:011
22739997634,37cyclictest26-21ksoftirqd/119:10:251
22739997634,36cyclictest26-21ksoftirqd/122:05:571
22739997634,36cyclictest26-21ksoftirqd/122:05:571
22733997635,24cyclictest14-21ksoftirqd/020:15:320
22733997228,9cyclictest14-21ksoftirqd/023:50:000
22739997128,38cyclictest26-21ksoftirqd/120:30:341
22739997030,15cyclictest26-21ksoftirqd/120:40:001
2273399706,55cyclictest20131-21apt-get20:30:260
22739996927,15cyclictest26-21ksoftirqd/122:40:001
22733996933,31cyclictest14-21ksoftirqd/019:35:340
22739996854,8cyclictest26-21ksoftirqd/123:50:201
22739996827,16cyclictest26-21ksoftirqd/122:55:001
22733996829,35cyclictest14-21ksoftirqd/023:59:440
22733996829,35cyclictest14-21ksoftirqd/023:59:440
22733996810,17cyclictest0-21swapper/021:05:120
22733996810,17cyclictest0-21swapper/021:05:120
22739996736,25cyclictest26-21ksoftirqd/122:00:261
22739996735,19cyclictest26-21ksoftirqd/122:45:361
2273399677,52cyclictest28957-21apt-get22:25:140
22733996729,15cyclictest14-21ksoftirqd/021:45:000
22733996711,15cyclictest0-21swapper/022:20:150
22739996635,25cyclictest26-21ksoftirqd/120:50:261
22739996635,18cyclictest26-21ksoftirqd/123:05:171
22739996635,17cyclictest26-21ksoftirqd/121:45:341
22739996635,17cyclictest26-21ksoftirqd/121:34:201
22739996634,26cyclictest26-21ksoftirqd/100:15:181
22733996645,14cyclictest0-21swapper/020:50:150
22733996631,30cyclictest14-21ksoftirqd/000:00:130
22733996631,10cyclictest14-21ksoftirqd/020:36:050
22739996536,23cyclictest26-21ksoftirqd/121:00:231
22739996535,24cyclictest26-21ksoftirqd/123:20:011
22739996535,24cyclictest26-21ksoftirqd/119:55:141
22739996534,25cyclictest26-21ksoftirqd/122:25:291
22739996534,25cyclictest26-21ksoftirqd/100:00:361
22739996534,18cyclictest26-21ksoftirqd/122:20:191
22739996534,18cyclictest26-21ksoftirqd/119:55:011
22739996526,15cyclictest26-21ksoftirqd/120:25:001
2273399658,19cyclictest28577-21apt-get19:25:150
22733996533,9cyclictest14-21ksoftirqd/020:04:530
22739996436,17cyclictest26-21ksoftirqd/121:50:161
22739996435,16cyclictest26-21ksoftirqd/100:25:181
22739996434,17cyclictest26-21ksoftirqd/121:20:351
22739996434,17cyclictest26-21ksoftirqd/119:20:001
22739996432,9cyclictest26-21ksoftirqd/121:35:151
22739996432,9cyclictest26-21ksoftirqd/120:40:331
22739996430,9cyclictest26-21ksoftirqd/119:25:381
22739996430,28cyclictest26-21ksoftirqd/120:45:311
22739996424,14cyclictest26-21ksoftirqd/123:05:001
22733996439,10cyclictest14-21ksoftirqd/000:40:020
22733996423,37cyclictest14-21ksoftirqd/022:30:450
22733996422,38cyclictest14-21ksoftirqd/022:42:440
22733996421,39cyclictest14-21ksoftirqd/022:12:550
22739996339,18cyclictest26-21ksoftirqd/119:30:171
22739996336,22cyclictest26-21ksoftirqd/122:15:171
22739996335,23cyclictest26-21ksoftirqd/119:40:181
22739996335,23cyclictest26-21ksoftirqd/119:40:181
22739996335,22cyclictest26-21ksoftirqd/121:40:161
22739996335,22cyclictest26-21ksoftirqd/121:10:111
22739996334,17cyclictest26-21ksoftirqd/123:30:371
22739996334,17cyclictest26-21ksoftirqd/123:10:181
22739996334,17cyclictest26-21ksoftirqd/100:20:351
22739996334,16cyclictest26-21ksoftirqd/121:55:161
22739996333,24cyclictest26-21ksoftirqd/121:15:161
22739996333,24cyclictest26-21ksoftirqd/120:10:371
22739996333,18cyclictest26-21ksoftirqd/120:05:191
22739996333,18cyclictest26-21ksoftirqd/120:05:181
22739996331,26cyclictest26-21ksoftirqd/122:30:351
22739996331,18cyclictest26-21ksoftirqd/100:10:161
22739996331,18cyclictest26-21ksoftirqd/100:10:161
22739996323,15cyclictest26-21ksoftirqd/123:45:011
2273399633,35cyclictest14-21ksoftirqd/019:20:000
22733996330,14cyclictest14-21ksoftirqd/019:55:040
22733996328,21cyclictest14-21ksoftirqd/023:35:340
22733996323,36cyclictest14-21ksoftirqd/023:10:340
22733996310,47cyclictest0-21swapper/020:45:150
22739996238,17cyclictest26-21ksoftirqd/123:45:321
22739996237,19cyclictest26-21ksoftirqd/119:45:201
22739996237,10cyclictest26-21ksoftirqd/121:25:131
22739996234,22cyclictest26-21ksoftirqd/120:55:171
22739996233,22cyclictest26-21ksoftirqd/120:00:341
22739996233,17cyclictest26-21ksoftirqd/120:15:211
22739996233,17cyclictest26-21ksoftirqd/100:30:201
22739996232,24cyclictest26-21ksoftirqd/100:35:151
22739996232,18cyclictest26-21ksoftirqd/120:25:261
22739996232,18cyclictest26-21ksoftirqd/120:25:261
22739996138,18cyclictest26-21ksoftirqd/123:55:361
22739996138,18cyclictest26-21ksoftirqd/123:55:361
22739996138,18cyclictest26-21ksoftirqd/123:35:211
22739996138,18cyclictest26-21ksoftirqd/122:55:241
22739996138,17cyclictest26-21ksoftirqd/122:40:371
22739996137,19cyclictest26-21ksoftirqd/123:25:281
22739996137,18cyclictest26-21ksoftirqd/119:20:281
22739996136,18cyclictest26-21ksoftirqd/119:35:271
22733996137,9cyclictest14-21ksoftirqd/023:15:120
22733996133,8cyclictest14-21ksoftirqd/021:17:500
177102610,6chrt171rcuc/021:50:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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