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2025-12-20 - 07:23
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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
Characteristics of the 20 highest latencies:
System rack6slot3.osadl.org (updated Sat Dec 20, 2025 01:34:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
"interval":200,7913
"cycles":100000000,7912
"load":"idle",7911
"condition":{7910
"clock":"2200"7908
"family":"x86",7907
"vendor":"Intel",7906
"processor":{7904
"dataset":"2024-01-08T16:38:52+01:00"7902
"origin":"2024-01-08T12:43:22+01:00",7901
"timestamps":{7900
"granularity":"microseconds"7898
1222:51:237896
14,22:51:117895
24,22:51:117894
13,22:51:117893
36,22:51:117892
33,22:51:117891
22,22:51:117890
14,22:51:117889
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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