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2026-03-10 - 09:07
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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 3616 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 Tue Mar 10, 2026 01:16:20)
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
3222199384371,6cyclictest29612-21kworker/1:0+kec_query1
3221699383374,5cyclictest0-21swapper/00
3222199379367,7cyclictest15963-21kworker/1:0+kec_query1
3222199378367,6cyclictest22397-21kworker/1:1+kec_query1
3222199375364,6cyclictest22397-21kworker/1:1+kec_query1
3222199375364,6cyclictest15963-21kworker/1:0+kec_query1
3222199372361,6cyclictest29612-21kworker/1:0+kec_query1
3222199372361,6cyclictest15963-21kworker/1:0+kec_query1
3222199372360,6cyclictest29612-21kworker/1:0+kec_query1
3222199369358,6cyclictest29612-21kworker/1:0+kec_query1
3222199369358,6cyclictest22397-21kworker/1:1+kec_query1
3222199368356,7cyclictest1556-21kworker/1:0+kec_query1
3222199368356,6cyclictest29612-21kworker/1:0+kec_query1
32216993681,3cyclictest0-21swapper/00
3222199366355,6cyclictest22397-21kworker/1:1+kec_query1
3221699365356,5cyclictest0-21swapper/00
3222199364353,6cyclictest15963-21kworker/1:0+kec_query1
3222199363351,7cyclictest29612-21kworker/1:0+kec_query1
3221699363354,5cyclictest0-21swapper/00
3222199362351,6cyclictest22397-21kworker/1:1+kec_query1
3222199362351,5cyclictest29612-21kworker/1:0+kec_query1
3222199361350,6cyclictest1556-21kworker/1:0+kec_query1
3222199360349,6cyclictest8938-21kworker/1:2+kec_query1
3222199360349,6cyclictest29612-21kworker/1:0+kec_query1
3222199360348,7cyclictest22397-21kworker/1:1+kec_query1
3222199359348,6cyclictest29612-21kworker/1:0+kec_query1
3222199358347,6cyclictest22397-21kworker/1:1+kec_query1
32216993581,351cyclictest0-21swapper/00
32216993571,350cyclictest0-21swapper/00
32216993571,350cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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