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2026-03-10 - 22:12
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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 3616 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 Tue Mar 10, 2026 13:16:18)
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
2327599386374,7cyclictest31918-21kworker/1:2+kec_query1
2327599382371,6cyclictest31918-21kworker/1:2+kec_query1
2327599381370,6cyclictest31918-21kworker/1:2+kec_query1
2327599369358,6cyclictest31918-21kworker/1:2+kec_query1
2327599369358,6cyclictest14649-21kworker/1:1+kec_query1
2327599368357,6cyclictest31918-21kworker/1:2+kec_query1
2327099366357,5cyclictest0-21swapper/00
2327099365356,5cyclictest0-21swapper/00
2327099365355,6cyclictest0-21swapper/00
2327099364355,5cyclictest0-21swapper/00
23270993641,356cyclictest23155-21switchtime0
2327599363352,6cyclictest31918-21kworker/1:2+kec_query1
2327599361350,6cyclictest31918-21kworker/1:2+kec_query1
2327599360348,7cyclictest31918-21kworker/1:2+kec_query1
2327099359350,5cyclictest0-21swapper/00
2327599358346,7cyclictest31918-21kworker/1:2+kec_query1
2327599357346,6cyclictest31918-21kworker/1:2+kec_query1
2327599357344,8cyclictest31918-21kworker/1:2+kec_query1
2327599357331,17cyclictest31918-21kworker/1:2+kec_query1
2327099357347,5cyclictest4289-21ssh0
2327099356347,5cyclictest0-21swapper/00
2327099356347,5cyclictest0-21swapper/00
23270993561,3cyclictest0-21swapper/00
2327599355344,6cyclictest31918-21kworker/1:2+kec_query1
2327599355343,7cyclictest31918-21kworker/1:2+kec_query1
2327599355342,8cyclictest31918-21kworker/1:2+kec_query1
2327099355346,5cyclictest0-21swapper/00
23270993552,6cyclictest13497-21ssh0
23270993552,6cyclictest13497-21ssh0
23270993552,346cyclictest12578-21smartctl0
2327099354345,5cyclictest0-21swapper/00
23270993542,344cyclictest4810-21ntp_states0
2327599353342,6cyclictest31918-21kworker/1:2+kec_query1
23270993532,345cyclictest0-21swapper/00
23270993531,346cyclictest0-21swapper/00
2327599352341,6cyclictest31918-21kworker/1:2+kec_query1
2327599352340,6cyclictest31918-21kworker/1:2+kec_query1
2327099352343,5cyclictest0-21swapper/00
23270993522,3cyclictest0-21swapper/00
23270993522,344cyclictest0-21swapper/00
2327599351342,5cyclictest5250irq/9-acpi1
2327599351340,6cyclictest31918-21kworker/1:2+kec_query1
2327599351340,6cyclictest31918-21kworker/1:2+kec_query1
2327599351340,6cyclictest31918-21kworker/1:2+kec_query1
2327599351340,6cyclictest31918-21kworker/1:2+kec_query1
2327599351339,7cyclictest31918-21kworker/1:2+kec_query1
2327099351342,5cyclictest0-21swapper/00
23270993512,343cyclictest0-21swapper/00
23270993511,3cyclictest0-21swapper/00
2327599350339,6cyclictest31918-21kworker/1:2+kec_query1
2327599350339,6cyclictest31918-21kworker/1:2+kec_query1
2327599350337,8cyclictest31918-21kworker/1:2+kec_query1
2327599350337,7cyclictest31918-21kworker/1:2+kec_query1
2327599349338,6cyclictest31918-21kworker/1:2+kec_query1
2327599349338,6cyclictest31918-21kworker/1:2+kec_query1
2327599349336,6cyclictest31918-21kworker/1:2+kec_query1
2327099349340,5cyclictest0-21swapper/00
2327099349340,5cyclictest0-21swapper/00
23270993491,342cyclictest0-21swapper/00
2327599348340,4cyclictest5250irq/9-acpi1
2327599348337,6cyclictest31918-21kworker/1:2+kec_query1
2327099348339,5cyclictest0-21swapper/00
2327099348339,5cyclictest0-21swapper/00
23270993481,5cyclictest3271-21ssh0
2327599347336,6cyclictest31918-21kworker/1:2+kec_query1
2327099347338,5cyclictest0-21swapper/00
2327099347338,5cyclictest0-21swapper/00
2327099347334,7cyclictest2113-21df_inode0
23270993471,3cyclictest0-21swapper/00
23270993471,341cyclictest0-21swapper/00
23270993471,340cyclictest0-21swapper/00
2327599346336,6cyclictest31918-21kworker/1:2+kec_query1
2327599346335,6cyclictest31918-21kworker/1:2+kec_query1
2327599346335,6cyclictest31918-21kworker/1:2+kec_query1
2327599346335,6cyclictest31918-21kworker/1:2+kec_query1
2327099346337,5cyclictest0-21swapper/00
23270993461,339cyclictest0-21swapper/00
2327599345336,5cyclictest5250irq/9-acpi1
2327599345334,6cyclictest31918-21kworker/1:2+kec_query1
2327599345334,6cyclictest31918-21kworker/1:2+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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