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2025-12-20 - 03:47
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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 100 highest latencies:
System rack6slot4.osadl.org (updated Sat Dec 20, 2025 01:15:58)
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
11702993822,374cyclictest0-21swapper/00
1170299373362,6cyclictest1898-21kworker/0:1+kec_query0
1170699368357,6cyclictest13855-21kworker/1:0+kec_query1
1170699368357,6cyclictest13855-21kworker/1:0+kec_query1
1170299367356,6cyclictest1898-21kworker/0:1+kec_query0
1170299367356,6cyclictest1898-21kworker/0:1+kec_query0
1170699363352,6cyclictest13855-21kworker/1:0+kec_query1
1170299359350,5cyclictest0-21swapper/00
1170299359350,5cyclictest0-21swapper/00
11702993582,349cyclictest0-21swapper/00
1170699356345,6cyclictest13855-21kworker/1:0+kec_query1
1170699356344,6cyclictest13855-21kworker/1:0+kec_query1
1170299356346,6cyclictest1898-21kworker/0:1+kec_query0
1170699355344,6cyclictest13855-21kworker/1:0+kec_query1
1170699355344,6cyclictest13855-21kworker/1:0+kec_query1
1170299355344,6cyclictest1898-21kworker/0:1+kec_query0
1170299354345,5cyclictest0-21swapper/00
1170699353342,6cyclictest13855-21kworker/1:0+kec_query1
1170299353343,6cyclictest1898-21kworker/0:1+kec_query0
1170699352342,5cyclictest13855-21kworker/1:0+kec_query1
11702993522,344cyclictest0-21swapper/00
1170699351340,6cyclictest7680-21kworker/1:0+kec_query1
1170699351330,16cyclictest13855-21kworker/1:0+kec_query1
1170699351330,16cyclictest13855-21kworker/1:0+kec_query1
1170299351342,5cyclictest0-21swapper/00
1170299351342,5cyclictest0-21swapper/00
1170699350339,6cyclictest7680-21kworker/1:0+kec_query1
1170299350339,6cyclictest1898-21kworker/0:1+kec_query0
11702993502,4cyclictest2146-21apt-get0
11702993502,3cyclictest0-21swapper/00
1170699349342,4cyclictest5250irq/9-acpi1
1170699349338,6cyclictest13855-21kworker/1:0+kec_query1
1170699349337,7cyclictest13855-21kworker/1:0+kec_query1
1170299349338,6cyclictest1898-21kworker/0:1+kec_query0
1170299349338,6cyclictest1898-21kworker/0:1+kec_query0
11702993491,342cyclictest0-21swapper/00
11702993491,342cyclictest0-21swapper/00
1170699348337,6cyclictest7143-21kworker/1:2+kec_query1
1170699348336,7cyclictest389-21kworker/1:1+kec_query1
1170299348337,6cyclictest1898-21kworker/0:1+kec_query0
1170299348336,7cyclictest1898-21kworker/0:1+kec_query0
11706993476,3cyclictest5250irq/9-acpi1
1170699347335,7cyclictest13855-21kworker/1:0+kec_query1
1170299347335,6cyclictest1898-21kworker/0:1+kec_query0
11702993472,6cyclictest4148-21sshd0
1170699346336,5cyclictest389-21kworker/1:1+kec_query1
1170699346335,6cyclictest13855-21kworker/1:0+kec_query1
1170699346335,6cyclictest13855-21kworker/1:0+kec_query1
1170299346337,5cyclictest0-21swapper/00
1170299346333,7cyclictest1898-21kworker/0:1+kec_query0
1170699345335,5cyclictest13855-21kworker/1:0+kec_query1
1170699345334,6cyclictest13855-21kworker/1:0+kec_query1
1170299345335,6cyclictest0-21swapper/00
1170299345334,6cyclictest1898-21kworker/0:1+kec_query0
11702993452,7cyclictest6215-21ntp_states0
11702993452,337cyclictest0-21swapper/00
11702993452,335cyclictest21986-21ntp_states0
11702993451,3cyclictest0-21swapper/00
11702993451,338cyclictest0-21swapper/00
1170299344335,5cyclictest0-21swapper/00
1170699343336,4cyclictest5250irq/9-acpi1
11702993431,336cyclictest0-21swapper/00
1170699342334,4cyclictest5250irq/9-acpi1
1170699342330,7cyclictest13855-21kworker/1:0+kec_query1
1170699342329,6cyclictest13855-21kworker/1:0+kec_query1
1170299342331,6cyclictest1898-21kworker/0:1+kec_query0
1170299342329,7cyclictest28205-21perl0
1170299341332,5cyclictest1898-21kworker/0:1+kec_query0
1170299341330,6cyclictest1898-21kworker/0:1+kec_query0
11702993411,3cyclictest0-21swapper/00
11702993411,327cyclictest0-21swapper/00
1170699340329,6cyclictest13855-21kworker/1:0+kec_query1
1170299340329,6cyclictest1898-21kworker/0:1+kec_query0
11702993402,7cyclictest31811-21ntp_states0
11702993401,3cyclictest0-21swapper/00
1170699339328,6cyclictest13855-21kworker/1:0+kec_query1
1170699338327,6cyclictest13855-21kworker/1:0+kec_query1
1170699338327,6cyclictest13855-21kworker/1:0+kec_query1
1170299338329,5cyclictest0-21swapper/00
1170299338327,6cyclictest1898-21kworker/0:1+kec_query0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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