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2026-04-01 - 19:35
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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 3622 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 Wed Apr 01, 2026 13:16:15)
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
28198993741,367cyclictest0-21swapper/00
2820899368360,4cyclictest15217-21kworker/1:0+kec_query1
2820899363353,6cyclictest17601-21kworker/1:0+kec_query1
2820899360349,6cyclictest17601-21kworker/1:0+kec_query1
2820899360348,6cyclictest30245-21kworker/1:2+kec_query1
2820899358348,6cyclictest5250irq/9-acpi1
2820899358348,6cyclictest5250irq/9-acpi1
2820899358343,6cyclictest15473-21kworker/1:1+kec_query1
2820899358336,17cyclictest15217-21kworker/1:0+kec_query1
2820899357346,6cyclictest15473-21kworker/1:1+kec_query1
2820899357343,9cyclictest15473-21kworker/1:1+kec_query1
28198993571,350cyclictest0-21swapper/00
2820899356345,6cyclictest30245-21kworker/1:2+kec_query1
2820899355345,6cyclictest30245-21kworker/1:2+kec_query1
2820899355344,6cyclictest21790-21kworker/1:1+kec_query1
2820899354343,6cyclictest30245-21kworker/1:2+kec_query1
2820899354343,6cyclictest17601-21kworker/1:0+kec_query1
2820899354342,6cyclictest30245-21kworker/1:2+kec_query1
2820899354342,6cyclictest15473-21kworker/1:1+kec_query1
2820899353342,6cyclictest15217-21kworker/1:0+kec_query1
28198993531,346cyclictest0-21swapper/00
2820899352340,6cyclictest15217-21kworker/1:0+kec_query1
28198993522,3cyclictest0-21swapper/00
2820899351341,5cyclictest15473-21kworker/1:1+kec_query1
2820899351340,6cyclictest15217-21kworker/1:0+kec_query1
2820899351339,7cyclictest30245-21kworker/1:2+kec_query1
2819899351339,7cyclictest4679-21kworker/0:0+kec_query0
2820899350339,6cyclictest15217-21kworker/1:0+kec_query1
2820899350338,6cyclictest17601-21kworker/1:0+kec_query1
2820899350338,6cyclictest17601-21kworker/1:0+kec_query1
28198993501,343cyclictest0-21swapper/00
2820899349338,6cyclictest21790-21kworker/1:1+kec_query1
2820899349338,6cyclictest15473-21kworker/1:1+kec_query1
2820899349336,8cyclictest30245-21kworker/1:2+kec_query1
2820899349333,7cyclictest17601-21kworker/1:0+kec_query1
2819899349340,5cyclictest0-21swapper/00
28198993491,340cyclictest17413-21runrttasks0
2820899348337,6cyclictest15473-21kworker/1:1+kec_query1
2820899348336,7cyclictest30245-21kworker/1:2+kec_query1
2820899348336,7cyclictest17601-21kworker/1:0+kec_query1
28198993481,341cyclictest0-21swapper/00
28198993481,340cyclictest19263-21expr0
2820899347337,5cyclictest17601-21kworker/1:0+kec_query1
2820899347336,6cyclictest15473-21kworker/1:1+kec_query1
2820899347336,6cyclictest15217-21kworker/1:0+kec_query1
2820899347334,8cyclictest30245-21kworker/1:2+kec_query1
28198993472,337cyclictest5417-21df_inode0
2820899346335,6cyclictest21790-21kworker/1:1+kec_query1
2820899346335,6cyclictest15217-21kworker/1:0+kec_query1
2820899346334,6cyclictest21790-21kworker/1:1+kec_query1
2820899346334,6cyclictest21790-21kworker/1:1+kec_query1
2820899346334,6cyclictest15217-21kworker/1:0+kec_query1
2820899345334,6cyclictest15217-21kworker/1:0+kec_query1
28198993452,337cyclictest0-21swapper/00
28198993451,338cyclictest0-21swapper/00
2820899344333,6cyclictest15473-21kworker/1:1+kec_query1
2820899344333,6cyclictest15473-21kworker/1:1+kec_query1
2820899343332,6cyclictest30245-21kworker/1:2+kec_query1
28198993431,334cyclictest11092-21awk0
2820899342331,5cyclictest30245-21kworker/1:2+kec_query1
2820899342331,5cyclictest30245-21kworker/1:2+kec_query1
2820899342331,5cyclictest15473-21kworker/1:1+kec_query1
2820899342330,7cyclictest30245-21kworker/1:2+kec_query1
2820899342330,7cyclictest15217-21kworker/1:0+kec_query1
28198993421,335cyclictest0-21swapper/00
28198993421,335cyclictest0-21swapper/00
28198993421,335cyclictest0-21swapper/00
28198993421,333cyclictest8720-21ssh0
2820899341330,6cyclictest30245-21kworker/1:2+kec_query1
2820899341330,6cyclictest21790-21kworker/1:1+kec_query1
2820899341329,7cyclictest17601-21kworker/1:0+kec_query1
2819899341332,5cyclictest0-21swapper/00
2819899341331,5cyclictest201rcuc/00
2820899340330,5cyclictest17601-21kworker/1:0+kec_query1
2820899340330,5cyclictest15473-21kworker/1:1+kec_query1
2820899340329,6cyclictest30245-21kworker/1:2+kec_query1
2820899340329,6cyclictest21790-21kworker/1:1+kec_query1
2820899340328,6cyclictest21790-21kworker/1:1+kec_query1
2820899340327,6cyclictest15473-21kworker/1:1+kec_query1
2819899340325,9cyclictest14171-21hddtemp_smartct0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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