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2025-11-21 - 11:04
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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 Nov 21, 2025 01:22:51)
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
148899379367,6cyclictest16787-21kworker/1:1+kec_query1
148899378367,6cyclictest18753-21kworker/1:2+kec_query1
148899375363,6cyclictest16787-21kworker/1:1+kec_query1
148899371360,5cyclictest18753-21kworker/1:2+kec_query1
148899371359,7cyclictest18753-21kworker/1:2+kec_query1
148899370358,7cyclictest18753-21kworker/1:2+kec_query1
148899369358,6cyclictest18753-21kworker/1:2+kec_query1
148899366355,6cyclictest16787-21kworker/1:1+kec_query1
148899364352,6cyclictest18753-21kworker/1:2+kec_query1
148899363351,7cyclictest18753-21kworker/1:2+kec_query1
148899363351,6cyclictest18753-21kworker/1:2+kec_query1
148899359347,6cyclictest16787-21kworker/1:1+kec_query1
148899359347,6cyclictest16787-21kworker/1:1+kec_query1
148899359347,6cyclictest16787-21kworker/1:1+kec_query1
148899359347,5cyclictest16787-21kworker/1:1+kec_query1
148899358346,7cyclictest18753-21kworker/1:2+kec_query1
148899357344,8cyclictest18753-21kworker/1:2+kec_query1
148899357341,7cyclictest16787-21kworker/1:1+kec_query1
148899356344,7cyclictest18753-21kworker/1:2+kec_query1
148899356344,7cyclictest16787-21kworker/1:1+kec_query1
148899356344,6cyclictest16787-21kworker/1:1+kec_query1
148899356340,7cyclictest18753-21kworker/1:2+kec_query1
148899356340,7cyclictest18753-21kworker/1:2+kec_query1
148199356345,6cyclictest31080-21kworker/0:1+kec_query0
148199356345,6cyclictest1065-21kworker/0:2+kec_query0
148899355345,5cyclictest18753-21kworker/1:2+kec_query1
148899355344,6cyclictest18753-21kworker/1:2+kec_query1
148899355344,6cyclictest16787-21kworker/1:1+kec_query1
148899355342,8cyclictest16787-21kworker/1:1+kec_query1
148199355343,7cyclictest25390-21kworker/0:0+kec_query0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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