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2026-04-22 - 01:16
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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 50 highest latencies:
System rack3slot6.osadl.org (updated Tue Apr 21, 2026 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2115621040,7chrt21158-21latency_hist10:30:020
1413829713,38sleep00-21swapper/007:07:270
1456899915,54cyclictest0-21swapper/112:00:321
1456899898,53cyclictest0-21swapper/107:35:361
1456899897,54cyclictest0-21swapper/109:45:301
176692880,5sleep1251rcuc/107:15:321
14564998821,52cyclictest0-21swapper/010:55:170
1456899876,72cyclictest0-21swapper/110:50:141
1456899873,76cyclictest562-21runrttasks07:50:151
14564998719,59cyclictest0-21swapper/008:30:130
1456499866,19cyclictest30035-21apt-get12:25:130
1456899856,70cyclictest0-21swapper/110:35:161
1456899855,52cyclictest0-21swapper/108:25:111
14568998510,67cyclictest0-21swapper/108:45:121
1413328529,45sleep10-21swapper/107:07:241
1456899849,68cyclictest0-21swapper/107:25:141
1456899849,67cyclictest0-21swapper/111:05:131
14564998414,60cyclictest0-21swapper/012:10:130
14564998414,54cyclictest0-21swapper/010:05:110
1456899839,42cyclictest0-21swapper/108:35:311
1456899837,46cyclictest0-21swapper/108:00:211
1456899837,45cyclictest0-21swapper/110:25:221
1456899836,69cyclictest0-21swapper/111:00:111
1456899835,48cyclictest0-21swapper/109:35:161
14568998312,64cyclictest0-21swapper/111:15:131
14568998311,64cyclictest0-21swapper/111:30:131
14568998310,65cyclictest0-21swapper/110:00:121
14564998315,57cyclictest0-21swapper/010:35:170
1456899829,66cyclictest0-21swapper/112:15:131
1456899828,67cyclictest0-21swapper/109:05:131
1456899825,72cyclictest0-21swapper/108:10:001
1456899825,72cyclictest0-21swapper/108:10:001
14564998215,56cyclictest0-21swapper/011:40:120
1456899817,67cyclictest0-21swapper/109:40:121
1456899816,68cyclictest0-21swapper/108:15:131
1456899816,67cyclictest0-21swapper/107:45:141
14568998110,63cyclictest0-21swapper/110:45:121
14564998125,51cyclictest457-21dbus-daemon09:39:590
14564998121,55cyclictest21847-21ls09:00:000
1456899807,64cyclictest0-21swapper/107:20:141
1456899807,63cyclictest0-21swapper/111:25:121
1456899806,66cyclictest0-21swapper/112:25:161
1456899806,66cyclictest0-21swapper/110:20:131
1456899806,64cyclictest12376-21apt-get10:05:121
1456899806,44cyclictest0-21swapper/108:20:191
1456899805,67cyclictest0-21swapper/108:55:141
1456899805,45cyclictest0-21swapper/111:40:361
14568998038,30cyclictest26-21ksoftirqd/109:30:121
14564998025,49cyclictest24336-31find07:35:230
14564998015,57cyclictest0-21swapper/007:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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