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2026-03-17 - 03:18
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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 Tue Mar 17, 2026 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
276419912517,31cyclictest0-21swapper/023:40:120
276419911915,35cyclictest0-21swapper/020:45:130
276419911913,34cyclictest0-21swapper/019:15:120
27641991189,40cyclictest247312sleep020:30:110
276419911752,21cyclictest14-21ksoftirqd/021:30:130
276419911715,33cyclictest0-21swapper/023:05:130
182321170,5chrt1052-21/usr/sbin/munin19:25:301
276419911614,33cyclictest0-21swapper/019:55:120
276419911613,35cyclictest0-21swapper/000:05:100
276419911515,36cyclictest0-21swapper/019:45:130
276419911316,31cyclictest0-21swapper/019:25:110
276419911314,34cyclictest0-21swapper/019:50:130
276419911312,34cyclictest0-21swapper/023:35:130
276419911311,35cyclictest0-21swapper/020:35:120
276419911211,34cyclictest0-21swapper/022:05:110
27641991119,51cyclictest6503-21diskmemload21:10:100
276419911181,18cyclictest14-21ksoftirqd/020:15:160
276419911111,35cyclictest0-21swapper/019:10:150
276419911079,17cyclictest14-21ksoftirqd/020:10:250
276419911014,33cyclictest0-21swapper/021:40:120
27641991099,43cyclictest462-21gmain20:25:140
276419910410,42cyclictest11915-21taskset21:25:140
276419910372,19cyclictest14-21ksoftirqd/000:10:150
276439910148,31cyclictest26-21ksoftirqd/121:00:131
276439910116,63cyclictest0-21swapper/100:15:141
276439910116,63cyclictest0-21swapper/100:15:141
276419910168,19cyclictest14-21ksoftirqd/020:00:130
27643999912,65cyclictest0-21swapper/123:15:151
27643999815,61cyclictest0-21swapper/123:45:141
27643999810,62cyclictest0-21swapper/121:30:091
2764399976,61cyclictest0-21swapper/121:40:221
27643999715,62cyclictest0-21swapper/122:35:141
2764399969,66cyclictest0-21swapper/122:00:131
27643999612,64cyclictest0-21swapper/100:20:131
27643999515,60cyclictest0-21swapper/122:50:151
2764399949,65cyclictest0-21swapper/123:30:131
27643999412,60cyclictest0-21swapper/121:55:131
27643999411,60cyclictest0-21swapper/120:50:121
27641999411,69cyclictest0-21swapper/022:15:120
27643999313,59cyclictest0-21swapper/123:25:121
27643999312,62cyclictest0-21swapper/122:30:151
27643999311,60cyclictest0-21swapper/122:25:131
27643999216,57cyclictest0-21swapper/120:20:151
27643999216,57cyclictest0-21swapper/120:20:141
27643999214,59cyclictest0-21swapper/121:05:251
27643999214,58cyclictest0-21swapper/119:35:141
27643999211,61cyclictest0-21swapper/122:10:131
27643999211,61cyclictest0-21swapper/122:10:131
27643999211,61cyclictest0-21swapper/119:10:141
27643999210,61cyclictest0-21swapper/121:50:151
27643999210,61cyclictest0-21swapper/121:50:141
27643999112,59cyclictest0-21swapper/122:40:131
27643999112,58cyclictest0-21swapper/119:20:121
27643999111,60cyclictest0-21swapper/122:15:141
2764399907,59cyclictest0-21swapper/121:10:251
27643999012,58cyclictest0-21swapper/122:20:111
27643999012,58cyclictest0-21swapper/120:35:141
2764399899,61cyclictest0-21swapper/120:40:131
2764399899,60cyclictest0-21swapper/123:20:141
2764399899,51cyclictest0-21swapper/120:05:201
2764399897,59cyclictest0-21swapper/123:10:111
27643998916,54cyclictest0-21swapper/119:55:151
27643998912,58cyclictest0-21swapper/123:50:111
27643998912,57cyclictest0-21swapper/100:30:121
27643998911,60cyclictest0-21swapper/100:25:121
27643998911,59cyclictest0-21swapper/121:25:111
27643998911,57cyclictest0-21swapper/123:05:121
27643998911,56cyclictest0-21swapper/121:15:101
27641998953,23cyclictest14-21ksoftirqd/000:35:150
27643998815,54cyclictest0-21swapper/120:30:141
27643998810,56cyclictest0-21swapper/100:00:121
27643998810,56cyclictest0-21swapper/100:00:111
27643998710,60cyclictest0-21swapper/123:55:241
2764399869,58cyclictest0-21swapper/122:05:121
2764399868,61cyclictest0-21swapper/122:45:221
27643998612,56cyclictest0-21swapper/121:35:141
2764399859,58cyclictest0-21swapper/119:40:241
2764399859,58cyclictest0-21swapper/119:30:141
2764399859,56cyclictest0-21swapper/120:25:101
27643998415,52cyclictest0-21swapper/121:20:131
108172840,5sleep10-21swapper/119:50:281
27643998212,51cyclictest0-21swapper/120:00:121
27643998211,53cyclictest0-21swapper/120:10:231
27643998210,55cyclictest0-21swapper/122:55:151
27641998245,25cyclictest14-21ksoftirqd/023:50:150
27643998111,22cyclictest0-21swapper/121:45:131
2764199819,59cyclictest13152-21runrttasks23:00:130
27641997944,26cyclictest14-21ksoftirqd/000:00:150
27641997944,26cyclictest14-21ksoftirqd/000:00:140
27641997941,27cyclictest14-21ksoftirqd/019:20:150
27641997937,35cyclictest14-21ksoftirqd/023:30:200
27641997933,36cyclictest14-21ksoftirqd/019:30:120
2719827719,49sleep00-21swapper/019:07:140
2764399767,57cyclictest5624-21apt-get00:10:111
2764399766,58cyclictest14343-21apt-get00:35:151
2764399757,57cyclictest19492-21apt-get20:15:151
2764399755,65cyclictest0-21swapper/119:15:301
2764399745,59cyclictest8387-21apt-get19:45:131
2764399736,57cyclictest13148-21apt-get23:00:131
2764399736,56cyclictest1076-21apt-get20:55:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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