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2026-04-05 - 22:30
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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 100 highest latencies:
System rack6slot4.osadl.org (updated Sun Apr 05, 2026 13:16:17)
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
1169199379370,5cyclictest0-21swapper/00
11691993751,3cyclictest0-21swapper/00
11691993731,356cyclictest11835-21ssh0
1169599371360,6cyclictest12681-21kworker/1:2+kec_query1
11691993711,364cyclictest0-21swapper/00
11691993702,362cyclictest0-21swapper/00
1169599369358,6cyclictest30585-21kworker/1:0+kec_query1
1169199368359,5cyclictest0-21swapper/00
1169199368357,7cyclictest0-21swapper/00
1169199367358,5cyclictest0-21swapper/00
1169199363354,5cyclictest0-21swapper/00
1169199363354,5cyclictest0-21swapper/00
1169199363354,5cyclictest0-21swapper/00
11691993632,354cyclictest7561-21cron0
1169599362351,6cyclictest30585-21kworker/1:0+kec_query1
1169199362351,7cyclictest0-21swapper/00
11691993622,3cyclictest0-21swapper/00
1169199361352,5cyclictest0-21swapper/00
11691993591,351cyclictest21310-21diskstats0
11691993581,3cyclictest0-21swapper/00
1169199357346,6cyclictest0-21swapper/00
1169599355344,6cyclictest20627-21kworker/1:2+kec_query1
1169199355346,5cyclictest0-21swapper/00
1169199354345,5cyclictest0-21swapper/00
1169199354345,5cyclictest0-21swapper/00
1169199354344,6cyclictest0-21swapper/00
1169599353342,6cyclictest30585-21kworker/1:0+kec_query1
1169599353342,6cyclictest30585-21kworker/1:0+kec_query1
1169599353342,6cyclictest20627-21kworker/1:2+kec_query1
1169199353344,5cyclictest0-21swapper/00
1169599352340,7cyclictest20627-21kworker/1:2+kec_query1
1169199351342,5cyclictest0-21swapper/00
11691993512,343cyclictest0-21swapper/00
1169599350339,6cyclictest12681-21kworker/1:2+kec_query1
1169199350342,5cyclictest0-21swapper/00
1169199350341,5cyclictest0-21swapper/00
11691993502,340cyclictest31641-21apt-get0
1169199349340,5cyclictest0-21swapper/00
1169199349340,5cyclictest0-21swapper/00
11691993492,341cyclictest0-21swapper/00
11691993491,342cyclictest0-21swapper/00
11691993491,342cyclictest0-21swapper/00
1169599348336,6cyclictest20627-21kworker/1:2+kec_query1
1169199348339,5cyclictest0-21swapper/00
1169199348339,5cyclictest0-21swapper/00
1169199348339,5cyclictest0-21swapper/00
11691993482,340cyclictest0-21swapper/00
1169199347338,5cyclictest0-21swapper/00
11691993472,339cyclictest0-21swapper/00
1169599346335,6cyclictest20627-21kworker/1:2+kec_query1
1169199346337,5cyclictest0-21swapper/00
1169199346337,5cyclictest0-21swapper/00
1169199346337,5cyclictest0-21swapper/00
1169199346337,5cyclictest0-21swapper/00
1169199346337,5cyclictest0-21swapper/00
11691993461,339cyclictest0-21swapper/00
1169599345330,6cyclictest24169-21kworker/1:1+kec_query1
1169599345321,15cyclictest20627-21kworker/1:2+kec_query1
1169199345336,5cyclictest0-21swapper/00
1169199345336,5cyclictest0-21swapper/00
11691993452,336cyclictest6670-21apt-get0
11691993451,338cyclictest21579-21ssh0
1169599344333,6cyclictest30585-21kworker/1:0+kec_query1
1169599344333,6cyclictest20627-21kworker/1:2+kec_query1
1169599344333,6cyclictest11849-21kworker/1:1+kec_query1
1169599344333,6cyclictest11849-21kworker/1:1+kec_query1
1169199344335,5cyclictest0-21swapper/00
1169199344335,5cyclictest0-21swapper/00
1169199344335,5cyclictest0-21swapper/00
1169199344326,13cyclictest6747-21sh0
11691993441,3cyclictest0-21swapper/00
1169599343332,6cyclictest30585-21kworker/1:0+kec_query1
1169599343331,6cyclictest20627-21kworker/1:2+kec_query1
1169599343330,8cyclictest20627-21kworker/1:2+kec_query1
1169199343334,5cyclictest0-21swapper/00
1169199343334,5cyclictest0-21swapper/00
1169199343334,5cyclictest0-21swapper/00
1169199343334,5cyclictest0-21swapper/00
1169599342331,6cyclictest12681-21kworker/1:2+kec_query1
1169199342333,5cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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