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2026-03-20 - 21:22
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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 Fri Mar 20, 2026 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200492930,6chrt20048-21cut10:20:241
1583399766,18cyclictest24870-21apt-get12:05:110
135412760,6sleep013543-21unixbench-2d10:00:360
1563027416,49sleep00-21swapper/007:09:210
15833997022,42cyclictest14-21ksoftirqd/012:30:290
15836996939,9cyclictest26-21ksoftirqd/108:30:011
1537926937,22sleep10-21swapper/107:07:111
15833996736,10cyclictest14-21ksoftirqd/010:15:120
15836996640,9cyclictest26-21ksoftirqd/111:13:131
15836996638,9cyclictest26-21ksoftirqd/111:55:001
15836996633,27cyclictest26-21ksoftirqd/112:35:221
15836996622,30cyclictest26-21ksoftirqd/112:30:321
15836996542,9cyclictest26-21ksoftirqd/111:15:361
15836996541,9cyclictest26-21ksoftirqd/112:15:321
15836996541,9cyclictest26-21ksoftirqd/111:55:291
15836996541,9cyclictest26-21ksoftirqd/110:35:011
15836996541,9cyclictest26-21ksoftirqd/110:10:191
15836996541,9cyclictest26-21ksoftirqd/107:25:201
15836996541,10cyclictest26-21ksoftirqd/109:00:011
15836996540,11cyclictest26-21ksoftirqd/112:25:301
15836996540,11cyclictest26-21ksoftirqd/110:50:351
15836996540,10cyclictest26-21ksoftirqd/111:45:231
15836996540,10cyclictest26-21ksoftirqd/110:40:351
15836996539,10cyclictest26-21ksoftirqd/108:05:311
15836996539,10cyclictest26-21ksoftirqd/108:04:101
15836996532,18cyclictest26-21ksoftirqd/109:15:321
15833996528,31cyclictest14-21ksoftirqd/012:40:010
15836996441,9cyclictest501-21ntpd08:40:271
15836996441,9cyclictest26-21ksoftirqd/111:25:191
15836996441,9cyclictest26-21ksoftirqd/111:05:181
15836996441,9cyclictest26-21ksoftirqd/110:45:331
15836996441,9cyclictest26-21ksoftirqd/110:35:321
15836996441,9cyclictest26-21ksoftirqd/109:40:371
15836996441,9cyclictest26-21ksoftirqd/109:34:591
15836996441,9cyclictest26-21ksoftirqd/109:10:231
15836996441,9cyclictest26-21ksoftirqd/108:30:321
15836996441,9cyclictest26-21ksoftirqd/108:10:301
15836996441,9cyclictest26-21ksoftirqd/107:55:291
15836996441,9cyclictest26-21ksoftirqd/107:20:241
15836996441,10cyclictest26-21ksoftirqd/112:05:181
15836996440,9cyclictest26-21ksoftirqd/111:40:191
15836996440,9cyclictest26-21ksoftirqd/111:40:181
15836996440,9cyclictest26-21ksoftirqd/111:25:011
15836996440,9cyclictest26-21ksoftirqd/110:15:111
15836996440,9cyclictest26-21ksoftirqd/110:10:001
15836996440,9cyclictest26-21ksoftirqd/109:50:191
15836996440,9cyclictest26-21ksoftirqd/109:35:211
15836996440,9cyclictest26-21ksoftirqd/108:35:231
15836996440,9cyclictest26-21ksoftirqd/108:20:321
15836996440,9cyclictest26-21ksoftirqd/107:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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