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2026-08-03 - 13:17
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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 3610 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 Aug 03, 2026 01:16:35)
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
2595499372361,6cyclictest2526-21kworker/1:0+kec_query1
2595499367356,6cyclictest2526-21kworker/1:0+kec_query1
2595299367358,6cyclictest0-21swapper/00
2595299363354,5cyclictest0-21swapper/00
2595499359348,6cyclictest2526-21kworker/1:0+kec_query1
2595499359348,6cyclictest2526-21kworker/1:0+kec_query1
2595499359348,6cyclictest2526-21kworker/1:0+kec_query1
2595499357346,6cyclictest2526-21kworker/1:0+kec_query1
2595499356345,6cyclictest2526-21kworker/1:0+kec_query1
2595499356344,6cyclictest2526-21kworker/1:0+kec_query1
2595299356347,5cyclictest0-21swapper/00
2595299356347,5cyclictest0-21swapper/00
2595299356347,5cyclictest0-21swapper/00
2595499355344,6cyclictest2526-21kworker/1:0+kec_query1
2595499353341,7cyclictest2526-21kworker/1:0+kec_query1
2595499353341,7cyclictest2526-21kworker/1:0+kec_query1
2595499352340,7cyclictest2526-21kworker/1:0+kec_query1
2595299352344,4cyclictest0-21swapper/00
2595299352343,5cyclictest0-21swapper/00
2595299352343,5cyclictest0-21swapper/00
2595499351340,6cyclictest2526-21kworker/1:0+kec_query1
2595499351339,7cyclictest2526-21kworker/1:0+kec_query1
2595499351339,6cyclictest2526-21kworker/1:0+kec_query1
2595299351339,7cyclictest31713-21perl0
2595499350339,6cyclictest2526-21kworker/1:0+kec_query1
2595499350339,6cyclictest2526-21kworker/1:0+kec_query1
2595499350339,6cyclictest2526-21kworker/1:0+kec_query1
2595499350338,7cyclictest2526-21kworker/1:0+kec_query1
2595499350338,6cyclictest2526-21kworker/1:0+kec_query1
2595499350338,6cyclictest2526-21kworker/1:0+kec_query1
2595499350334,7cyclictest2526-21kworker/1:0+kec_query1
2595299350341,5cyclictest0-21swapper/00
2595299350339,6cyclictest7339-21kworker/0:2+kec_query0
2595299350336,9cyclictest4749-21hddtemp_smartct0
2595499349338,6cyclictest2526-21kworker/1:0+kec_query1
2595499349338,6cyclictest2526-21kworker/1:0+kec_query1
2595499349337,7cyclictest2526-21kworker/1:0+kec_query1
2595499349337,7cyclictest2526-21kworker/1:0+kec_query1
2595499349337,7cyclictest2526-21kworker/1:0+kec_query1
2595299349333,11cyclictest0-21swapper/00
2595499348339,5cyclictest5250irq/9-acpi1
2595499348336,7cyclictest2526-21kworker/1:0+kec_query1
2595299348339,5cyclictest0-21swapper/00
2595299348339,5cyclictest0-21swapper/00
2595299348339,5cyclictest0-21swapper/00
2595499347334,6cyclictest2526-21kworker/1:0+kec_query1
2595299347338,5cyclictest0-21swapper/00
2595299347338,5cyclictest0-21swapper/00
2595299347338,5cyclictest0-21swapper/00
2595299347332,9cyclictest25669-21users0
2595499346335,6cyclictest2526-21kworker/1:0+kec_query1
2595499346335,6cyclictest2526-21kworker/1:0+kec_query1
2595499346333,7cyclictest2526-21kworker/1:0+kec_query1
2595299346338,5cyclictest0-21swapper/00
2595299346337,5cyclictest0-21swapper/00
2595299346335,6cyclictest7339-21kworker/0:2+kec_query0
2595299346335,6cyclictest7339-21kworker/0:2+kec_query0
2595499345334,6cyclictest2526-21kworker/1:0+kec_query1
2595499345334,6cyclictest2526-21kworker/1:0+kec_query1
2595299345336,5cyclictest0-21swapper/00
2595299345336,5cyclictest0-21swapper/00
2595299345336,5cyclictest0-21swapper/00
2595299345331,9cyclictest8581-21wc0
2595499344333,6cyclictest2526-21kworker/1:0+kec_query1
2595499344333,6cyclictest2526-21kworker/1:0+kec_query1
2595299344335,5cyclictest0-21swapper/00
2595299344335,5cyclictest0-21swapper/00
2595299344335,5cyclictest0-21swapper/00
2595299344333,6cyclictest7339-21kworker/0:2+kec_query0
2595499343332,6cyclictest2526-21kworker/1:0+kec_query1
2595299343334,5cyclictest0-21swapper/00
2595299343331,7cyclictest26494-21memory0
2595499342331,6cyclictest2526-21kworker/1:0+kec_query1
2595499342331,6cyclictest2526-21kworker/1:0+kec_query1
2595299342333,5cyclictest0-21swapper/00
2595299342327,10cyclictest18042-21df0
2595499341334,4cyclictest5250irq/9-acpi1
2595499341330,6cyclictest2526-21kworker/1:0+kec_query1
2595499341329,7cyclictest2526-21kworker/1:0+kec_query1
2595299341332,5cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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