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2026-01-02 - 09:02
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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 a total of 3620 SMIs that occured during the measurement.
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack6slot4.osadl.org (updated Fri Jan 02, 2026 01:16:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
"interval":200,6448
"cycles":100000000,6447
"load":"idle",6446
"condition":{6445
"clock":"1100"6443
"family":"x86",6442
"vendor":"Intel",6441
"processor":{6439
"dataset":"2024-01-08T03:36:49+01:00"6437
"origin":"2024-01-08T00:43:22+01:00",6436
"timestamps":{6435
"granularity":"microseconds"6433
"maxima":[6429
"cores":[5221
"latency":{5220
"hostname":"rack6slot4.osadl.org"5218
"system":{5217
"version":"1.0",5214
"format":{5213
"patches":[5204
2048699382360,17cyclictest4743-21kworker/1:0+kec_query1
2048699376365,6cyclictest6707-21kworker/1:1+kec_query1
2048699371360,6cyclictest6707-21kworker/1:1+kec_query1
2048699368356,6cyclictest6707-21kworker/1:1+kec_query1
20483993611,3cyclictest0-21swapper/00
2048699357343,8cyclictest6707-21kworker/1:1+kec_query1
2048699353342,6cyclictest6707-21kworker/1:1+kec_query1
2048699353342,6cyclictest6707-21kworker/1:1+kec_query1
2048699352339,8cyclictest6707-21kworker/1:1+kec_query1
2048699351340,6cyclictest6707-21kworker/1:1+kec_query1
2048699349338,6cyclictest6707-21kworker/1:1+kec_query1
2048699348337,6cyclictest6707-21kworker/1:1+kec_query1
2048399348337,6cyclictest14126-21kworker/0:0+kec_query0
2048699347336,6cyclictest6707-21kworker/1:1+kec_query1
2048699347336,6cyclictest6707-21kworker/1:1+kec_query1
2048699347336,6cyclictest6707-21kworker/1:1+kec_query1
2048699346335,6cyclictest6707-21kworker/1:1+kec_query1
2048699346335,6cyclictest6707-21kworker/1:1+kec_query1
2048699346334,7cyclictest6707-21kworker/1:1+kec_query1
20483993461,338cyclictest1716-21expr0
20483993461,338cyclictest1716-21expr0
2048699345334,6cyclictest6707-21kworker/1:1+kec_query1
2048699345334,6cyclictest4743-21kworker/1:0+kec_query1
2048699345333,7cyclictest6707-21kworker/1:1+kec_query1
2048699345333,7cyclictest6707-21kworker/1:1+kec_query1
2048699345323,17cyclictest4743-21kworker/1:0+kec_query1
2048699345319,17cyclictest6707-21kworker/1:1+kec_query1
2048399345336,5cyclictest0-21swapper/00
2048399345336,5cyclictest0-21swapper/00
2048399345333,7cyclictest30340-21ls0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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