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2026-04-05 - 00:14
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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 Sat Apr 04, 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
2562099368357,6cyclictest28520-21kworker/1:1+kec_query1
2562099367355,6cyclictest28520-21kworker/1:1+kec_query1
2562099367355,6cyclictest28520-21kworker/1:1+kec_query1
2562099366353,6cyclictest10065-21kworker/1:0+kec_query1
2562099365354,6cyclictest28520-21kworker/1:1+kec_query1
2562099363351,6cyclictest10065-21kworker/1:0+kec_query1
2562099363349,8cyclictest10065-21kworker/1:0+kec_query1
2562099361344,8cyclictest31118-21kworker/1:1+kec_query1
2562099358347,6cyclictest28520-21kworker/1:1+kec_query1
2562099358346,6cyclictest28520-21kworker/1:1+kec_query1
2562099358344,9cyclictest28520-21kworker/1:1+kec_query1
2562099355338,8cyclictest10065-21kworker/1:0+kec_query1
2562099354341,7cyclictest28520-21kworker/1:1+kec_query1
2561599352343,5cyclictest0-21swapper/00
2562099351340,6cyclictest28520-21kworker/1:1+kec_query1
2562099351339,6cyclictest28520-21kworker/1:1+kec_query1
2562099350339,6cyclictest10065-21kworker/1:0+kec_query1
2562099350337,6cyclictest28520-21kworker/1:1+kec_query1
2561599350330,14cyclictest15557-21cut0
2561599349340,5cyclictest0-21swapper/00
2561599349340,5cyclictest0-21swapper/00
2562099348337,6cyclictest28520-21kworker/1:1+kec_query1
2562099348337,5cyclictest28520-21kworker/1:1+kec_query1
2562099348336,6cyclictest10065-21kworker/1:0+kec_query1
2562099348335,7cyclictest28520-21kworker/1:1+kec_query1
2561599348339,5cyclictest0-21swapper/00
2561599348339,5cyclictest0-21swapper/00
2562099347335,7cyclictest28520-21kworker/1:1+kec_query1
2562099347334,6cyclictest28520-21kworker/1:1+kec_query1
2561599347334,7cyclictest2265-21users0
2562099346335,6cyclictest28520-21kworker/1:1+kec_query1
2562099346335,6cyclictest28520-21kworker/1:1+kec_query1
2562099346334,6cyclictest22685-21kworker/1:0+kec_query1
2562099345334,6cyclictest28520-21kworker/1:1+kec_query1
2562099345333,6cyclictest28520-21kworker/1:1+kec_query1
2561599345337,5cyclictest0-21swapper/00
2562099344332,7cyclictest10065-21kworker/1:0+kec_query1
2562099343332,6cyclictest28520-21kworker/1:1+kec_query1
2562099343332,6cyclictest28520-21kworker/1:1+kec_query1
2562099342331,6cyclictest10065-21kworker/1:0+kec_query1
2562099342330,6cyclictest28520-21kworker/1:1+kec_query1
2561599342333,5cyclictest0-21swapper/00
2561599342333,5cyclictest0-21swapper/00
2562099341330,6cyclictest31118-21kworker/1:1+kec_query1
2562099341330,6cyclictest28520-21kworker/1:1+kec_query1
2562099341330,6cyclictest10065-21kworker/1:0+kec_query1
2562099341329,7cyclictest28520-21kworker/1:1+kec_query1
2562099341329,6cyclictest28520-21kworker/1:1+kec_query1
2562099340328,6cyclictest31118-21kworker/1:1+kec_query1
2561599340325,10cyclictest13865-21taskset0
2562099339329,5cyclictest28520-21kworker/1:1+kec_query1
2562099339328,6cyclictest10065-21kworker/1:0+kec_query1
2562099339327,6cyclictest28520-21kworker/1:1+kec_query1
2562099339327,6cyclictest28520-21kworker/1:1+kec_query1
2561599339326,7cyclictest19982-21df0
2561599339320,12cyclictest19805-21seq0
2562099338329,6cyclictest31118-21kworker/1:1+kec_query1
2562099338326,6cyclictest10065-21kworker/1:0+kec_query1
2561599338329,5cyclictest0-21swapper/00
2561599338326,7cyclictest0-21swapper/00
2562099337331,3cyclictest5250irq/9-acpi1
2562099336324,7cyclictest31118-21kworker/1:1+kec_query1
2562099335322,6cyclictest28520-21kworker/1:1+kec_query1
2561599335326,5cyclictest0-21swapper/00
2562099334323,6cyclictest31118-21kworker/1:1+kec_query1
2562099334323,6cyclictest28520-21kworker/1:1+kec_query1
2562099333321,7cyclictest31118-21kworker/1:1+kec_query1
2561599333324,5cyclictest0-21swapper/00
2562099332320,6cyclictest28520-21kworker/1:1+kec_query1
2561599332319,7cyclictest5545-21users0
2561599331322,5cyclictest0-21swapper/00
2561599331322,5cyclictest0-21swapper/00
2561599331322,5cyclictest0-21swapper/00
2561599331322,5cyclictest0-21swapper/00
2561599331322,5cyclictest0-21swapper/00
2561599330319,7cyclictest834-21pmu-power0
2561599330319,7cyclictest834-21pmu-power0
2561599330319,6cyclictest5504-21sh0
2561599329320,5cyclictest0-21swapper/00
2561599329320,5cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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