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2026-06-20 - 06:24
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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 Jun 20, 2026 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22759991358,61cyclictest20152-21taskset23:35:121
227539912793,20cyclictest0-21swapper/000:15:130
227539912087,19cyclictest14-21ksoftirqd/023:40:220
227539911911,93cyclictest0-21swapper/022:00:130
227539911911,93cyclictest0-21swapper/022:00:130
227539911848,63cyclictest1182-21apt-get21:10:110
227599910965,29cyclictest26-21ksoftirqd/120:40:121
227539910911,83cyclictest0-21swapper/020:55:120
227539910777,19cyclictest14-21ksoftirqd/019:20:130
227539910771,23cyclictest0-21swapper/019:10:120
227539910712,79cyclictest0-21swapper/023:55:140
227539910610,85cyclictest0-21swapper/023:15:100
227539910610,85cyclictest0-21swapper/023:15:100
227539910311,77cyclictest0-21swapper/020:20:140
22230210217,39sleep00-21swapper/019:06:230
227539910160,26cyclictest14-21ksoftirqd/020:15:120
22753991015,78cyclictest0-21swapper/022:05:250
227539910122,33cyclictest0-21swapper/019:25:230
227539910064,22cyclictest0-21swapper/020:45:140
227539910063,25cyclictest14-21ksoftirqd/000:25:250
22753999941,45cyclictest14-21ksoftirqd/019:35:100
22753999939,50cyclictest14-21ksoftirqd/022:35:100
22759999614,70cyclictest0-21swapper/121:40:111
2275399959,70cyclictest562-21runrttasks00:30:130
22753999555,28cyclictest0-21swapper/023:30:110
22753999551,32cyclictest14-21ksoftirqd/021:25:130
22753999512,66cyclictest0-21swapper/021:40:140
22759999411,63cyclictest0-21swapper/122:05:121
2275399935,55cyclictest0-21swapper/022:10:340
22753999247,33cyclictest14-21ksoftirqd/000:00:120
22753999211,65cyclictest0-21swapper/023:35:150
22753999211,62cyclictest0-21swapper/020:05:120
2275999917,64cyclictest1006-21diskmemload21:10:111
2275399913,62cyclictest23936-21seq20:40:360
22753999112,64cyclictest0-21swapper/023:05:120
22753999112,58cyclictest0-21swapper/022:50:130
22753999111,65cyclictest0-21swapper/019:45:120
22753999111,64cyclictest0-21swapper/019:40:150
22753999111,64cyclictest0-21swapper/000:20:120
22753999111,64cyclictest0-21swapper/000:20:120
22753999111,63cyclictest0-21swapper/020:50:130
22753999111,60cyclictest0-21swapper/019:55:150
22753999110,64cyclictest0-21swapper/000:35:140
22759999012,27cyclictest0-21swapper/100:05:131
2275399908,63cyclictest4691-21taskset21:20:120
2275399903,60cyclictest8250-21chrt23:00:200
22753999011,63cyclictest0-21swapper/021:15:140
22753999011,63cyclictest0-21swapper/021:00:130
22753999011,62cyclictest0-21swapper/022:45:120
22753999011,62cyclictest0-21swapper/020:30:130
22753999011,61cyclictest0-21swapper/022:30:230
22753999011,61cyclictest0-21swapper/019:30:120
22753999010,65cyclictest0-21swapper/022:55:120
22753999010,64cyclictest0-21swapper/023:45:110
22753999010,63cyclictest0-21swapper/022:15:100
22753999010,63cyclictest0-21swapper/022:15:100
22753999010,62cyclictest0-21swapper/020:10:140
2256229037,43sleep10-21swapper/119:09:271
2275399893,61cyclictest8259-21head21:30:140
2275399892,63cyclictest12036-21needreboot23:10:250
22753998913,63cyclictest0-21swapper/020:35:130
22753998911,61cyclictest0-21swapper/021:35:130
22753998911,60cyclictest0-21swapper/021:55:120
22753998911,59cyclictest0-21swapper/020:00:110
22753998911,59cyclictest0-21swapper/019:50:100
22753998910,59cyclictest0-21swapper/000:10:120
22753998812,59cyclictest0-21swapper/021:05:250
22753998811,57cyclictest0-21swapper/022:25:130
22753998810,58cyclictest0-21swapper/000:05:130
22753998711,57cyclictest0-21swapper/019:15:140
22753998711,55cyclictest0-21swapper/023:50:110
22753998710,62cyclictest0-21swapper/022:40:230
2275399863,54cyclictest16432-21sshd21:51:360
22753998612,60cyclictest0-21swapper/021:45:120
22753998611,58cyclictest0-21swapper/020:25:140
2275399855,52cyclictest0-21swapper/023:25:270
22753998511,56cyclictest0-21swapper/023:20:140
22753998510,55cyclictest0-21swapper/022:20:130
22759998334,31cyclictest0-21swapper/121:05:231
22759998327,39cyclictest26-21ksoftirqd/122:25:121
22759998239,31cyclictest0-21swapper/121:50:121
22759998211,53cyclictest0-21swapper/122:50:101
22759997935,32cyclictest0-21swapper/119:15:111
22759997410,41cyclictest28890-21apt-get19:25:151
22759997348,10cyclictest503-21snmpd19:55:381
2275999720,51cyclictest0-21swapper/119:20:111
22759997023,26cyclictest0-21swapper/120:20:121
22759997018,32cyclictest26-21ksoftirqd/100:25:231
2275999689,41cyclictest26-21ksoftirqd/120:25:131
22759996830,24cyclictest0-21swapper/121:15:121
22759996818,30cyclictest0-21swapper/122:30:211
22759996716,30cyclictest0-21swapper/122:20:111
22759996638,14cyclictest26-21ksoftirqd/120:20:001
22759996612,33cyclictest0-21swapper/121:55:131
22759996519,29cyclictest0-21swapper/120:30:121
22759996517,32cyclictest0-21swapper/121:25:101
22759996512,31cyclictest0-21swapper/122:40:221
2275999648,39cyclictest26-21ksoftirqd/123:25:121
22759996312,31cyclictest0-21swapper/100:35:121
22759996312,31cyclictest0-21swapper/100:30:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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