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2026-10-20 - 00:11
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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 3618 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 Mon Oct 19, 2026 13:16:00)
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
2543699367359,4cyclictest0-21swapper/00
2543699363354,5cyclictest0-21swapper/00
2543799360348,7cyclictest13659-21kworker/1:0+kec_query1
2543799358347,6cyclictest13659-21kworker/1:0+kec_query1
2543799357346,6cyclictest13659-21kworker/1:0+kec_query1
2543799355344,6cyclictest13659-21kworker/1:0+kec_query1
2543799355343,6cyclictest13659-21kworker/1:0+kec_query1
2543699355345,6cyclictest0-21swapper/00
2543799353342,6cyclictest26459-21kworker/1:1+kec_query1
2543699353344,5cyclictest0-21swapper/00
2543799352342,5cyclictest28246-21kworker/1:0+kec_query1
2543799352340,7cyclictest13659-21kworker/1:0+kec_query1
2543699352343,5cyclictest0-21swapper/00
2543699352341,6cyclictest17203-21kworker/0:2+kec_query0
25436993522,342cyclictest3283-21hddtemp_smartct0
2543799351340,6cyclictest13659-21kworker/1:0+kec_query1
2543799351340,6cyclictest13659-21kworker/1:0+kec_query1
2543799351340,6cyclictest13659-21kworker/1:0+kec_query1
2543799351340,6cyclictest13659-21kworker/1:0+kec_query1
2543799351339,7cyclictest13659-21kworker/1:0+kec_query1
2543699351343,4cyclictest24021-21ssh0
2543699351340,6cyclictest17203-21kworker/0:2+kec_query0
2543699351340,6cyclictest17203-21kworker/0:2+kec_query0
2543699350340,6cyclictest0-21swapper/00
25436993502,6cyclictest26698-21apt-get0
25436993501,343cyclictest0-21swapper/00
25436993501,342cyclictest10057-21missed_timers0
2543799349342,4cyclictest5250irq/9-acpi1
2543799349339,5cyclictest13659-21kworker/1:0+kec_query1
2543799349338,6cyclictest26459-21kworker/1:1+kec_query1
2543799349338,6cyclictest26459-21kworker/1:1+kec_query1
2543799349338,6cyclictest13659-21kworker/1:0+kec_query1
2543799349338,6cyclictest13659-21kworker/1:0+kec_query1
2543799349337,7cyclictest13659-21kworker/1:0+kec_query1
2543799349334,6cyclictest28246-21kworker/1:0+kec_query1
25436993491,342cyclictest0-21swapper/00
25436993491,342cyclictest0-21swapper/00
2543799348338,5cyclictest26459-21kworker/1:1+kec_query1
2543799348338,5cyclictest26459-21kworker/1:1+kec_query1
25436993481,341cyclictest0-21swapper/00
2543799347336,6cyclictest13659-21kworker/1:0+kec_query1
2543799347335,7cyclictest13659-21kworker/1:0+kec_query1
2543699347338,5cyclictest0-21swapper/00
2543699347338,5cyclictest0-21swapper/00
2543799346335,6cyclictest26459-21kworker/1:1+kec_query1
2543799346335,6cyclictest13659-21kworker/1:0+kec_query1
2543699346337,5cyclictest0-21swapper/00
2543699346337,5cyclictest0-21swapper/00
2543699346336,6cyclictest0-21swapper/00
2543699346335,7cyclictest0-21swapper/00
2543699346326,15cyclictest17203-21kworker/0:2+kec_query0
25436993462,338cyclictest0-21swapper/00
25436993461,339cyclictest0-21swapper/00
25436993461,338cyclictest6339-21ssh0
2543799345334,6cyclictest13659-21kworker/1:0+kec_query1
2543799345333,7cyclictest26459-21kworker/1:1+kec_query1
2543699345334,6cyclictest17203-21kworker/0:2+kec_query0
2543699345334,6cyclictest17203-21kworker/0:2+kec_query0
2543799344333,6cyclictest13659-21kworker/1:0+kec_query1
2543799344333,6cyclictest13659-21kworker/1:0+kec_query1
2543799344332,7cyclictest13659-21kworker/1:0+kec_query1
25436993441,3cyclictest0-21swapper/00
25436993441,337cyclictest0-21swapper/00
2543799343332,6cyclictest13659-21kworker/1:0+kec_query1
2543699343334,5cyclictest0-21swapper/00
2543699343332,6cyclictest17203-21kworker/0:2+kec_query0
25436993431,3cyclictest0-21swapper/00
25436993431,3cyclictest0-21swapper/00
25436993431,3cyclictest0-21swapper/00
25436993431,336cyclictest0-21swapper/00
2543799342331,6cyclictest13659-21kworker/1:0+kec_query1
2543799342330,7cyclictest4028-21kworker/1:2+kec_query1
2543699342331,6cyclictest17203-21kworker/0:2+kec_query0
2543799341330,6cyclictest4028-21kworker/1:2+kec_query1
2543799341330,6cyclictest26459-21kworker/1:1+kec_query1
2543799340330,5cyclictest4028-21kworker/1:2+kec_query1
2543799340329,6cyclictest28246-21kworker/1:0+kec_query1
2543799340329,6cyclictest13659-21kworker/1:0+kec_query1
2543799340329,6cyclictest13659-21kworker/1:0+kec_query1
2543699340329,6cyclictest17203-21kworker/0:2+kec_query0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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