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2026-04-12 - 00:19
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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 11, 2026 13:16:14)
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
2572499377365,7cyclictest29087-21kworker/1:0+kec_query1
2572099376366,6cyclictest0-21swapper/00
2572499374362,7cyclictest7233-21kworker/1:2+kec_query1
2572499372360,7cyclictest7233-21kworker/1:2+kec_query1
25720993721,365cyclictest0-21swapper/00
25720993692,3cyclictest0-21swapper/00
25720993692,3cyclictest0-21swapper/00
25720993682,360cyclictest0-21swapper/00
2572499366355,6cyclictest29087-21kworker/1:0+kec_query1
2572499364352,7cyclictest7233-21kworker/1:2+kec_query1
2572499364352,7cyclictest7233-21kworker/1:2+kec_query1
25720993641,3cyclictest0-21swapper/00
2572499361348,8cyclictest7233-21kworker/1:2+kec_query1
2572499361348,8cyclictest7233-21kworker/1:2+kec_query1
25720993612,353cyclictest0-21swapper/00
25720993612,353cyclictest0-21swapper/00
2572499360349,6cyclictest7233-21kworker/1:2+kec_query1
25720993602,352cyclictest0-21swapper/00
25720993592,3cyclictest0-21swapper/00
2572499358334,15cyclictest7233-21kworker/1:2+kec_query1
25720993581,351cyclictest0-21swapper/00
2572499357346,6cyclictest7233-21kworker/1:2+kec_query1
2572499357346,6cyclictest7233-21kworker/1:2+kec_query1
2572499357346,6cyclictest29087-21kworker/1:0+kec_query1
2572099357349,5cyclictest0-21swapper/00
2572499356344,7cyclictest7233-21kworker/1:2+kec_query1
2572499356336,15cyclictest29087-21kworker/1:0+kec_query1
2572499355344,6cyclictest7233-21kworker/1:2+kec_query1
2572499355343,6cyclictest7233-21kworker/1:2+kec_query1
2572499355332,15cyclictest7233-21kworker/1:2+kec_query1
2572099355345,6cyclictest0-21swapper/00
2572499354343,6cyclictest7233-21kworker/1:2+kec_query1
2572499354340,9cyclictest7233-21kworker/1:2+kec_query1
2572499353343,5cyclictest7233-21kworker/1:2+kec_query1
2572499353342,6cyclictest7233-21kworker/1:2+kec_query1
2572499353342,6cyclictest7233-21kworker/1:2+kec_query1
2572499353342,6cyclictest29087-21kworker/1:0+kec_query1
2572499353341,6cyclictest7233-21kworker/1:2+kec_query1
2572099353344,5cyclictest0-21swapper/00
25720993531,346cyclictest0-21swapper/00
2572499352340,6cyclictest7233-21kworker/1:2+kec_query1
2572499352338,9cyclictest29087-21kworker/1:0+kec_query1
2572499352328,19cyclictest7233-21kworker/1:2+kec_query1
2572099352344,5cyclictest0-21swapper/00
2572499351340,6cyclictest7233-21kworker/1:2+kec_query1
2572499351340,6cyclictest7233-21kworker/1:2+kec_query1
2572499351339,7cyclictest29087-21kworker/1:0+kec_query1
2572499351339,6cyclictest7233-21kworker/1:2+kec_query1
2572099351340,6cyclictest20510-21kworker/0:0+kec_query0
25720993512,343cyclictest0-21swapper/00
25720993511,344cyclictest0-21swapper/00
2572499350339,6cyclictest7233-21kworker/1:2+kec_query1
2572499350339,6cyclictest7233-21kworker/1:2+kec_query1
2572499350339,6cyclictest29087-21kworker/1:0+kec_query1
25720993502,3cyclictest0-21swapper/00
25720993501,3cyclictest0-21swapper/00
2572499349339,5cyclictest7233-21kworker/1:2+kec_query1
2572499349338,6cyclictest7233-21kworker/1:2+kec_query1
25720993492,3cyclictest0-21swapper/00
25720993492,341cyclictest0-21swapper/00
2572499348337,6cyclictest7233-21kworker/1:2+kec_query1
2572499348337,6cyclictest7233-21kworker/1:2+kec_query1
2572499348337,6cyclictest7233-21kworker/1:2+kec_query1
25720993482,340cyclictest0-21swapper/00
25720993481,341cyclictest0-21swapper/00
25720993481,341cyclictest0-21swapper/00
25720993481,341cyclictest0-21swapper/00
25720993481,340cyclictest8356-21diskmemload0
2572499347340,4cyclictest5250irq/9-acpi1
2572499347336,6cyclictest7233-21kworker/1:2+kec_query1
2572499347336,6cyclictest7233-21kworker/1:2+kec_query1
2572499347336,6cyclictest7233-21kworker/1:2+kec_query1
2572499347336,6cyclictest7233-21kworker/1:2+kec_query1
2572099347336,6cyclictest20510-21kworker/0:0+kec_query0
2572099347335,7cyclictest30507-21head0
25720993472,339cyclictest0-21swapper/00
25720993471,3cyclictest0-21swapper/00
2572499346338,4cyclictest5250irq/9-acpi1
2572499346335,6cyclictest7233-21kworker/1:2+kec_query1
2572499346335,6cyclictest7233-21kworker/1:2+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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