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2026-04-08 - 19:45
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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 50 highest latencies:
System rack6slot4.osadl.org (updated Wed Apr 08, 2026 13:16:10)
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
19665993815,4cyclictest5250irq/9-acpi1
19665993815,4cyclictest5250irq/9-acpi1
1965299377367,6cyclictest0-21swapper/00
19652993741,366cyclictest7732-21chrt0
1966599362351,6cyclictest7733-21kworker/1:0+kec_query1
1966599356346,5cyclictest7733-21kworker/1:0+kec_query1
1966599356345,6cyclictest7733-21kworker/1:0+kec_query1
1966599356345,6cyclictest26147-21kworker/1:1+kec_query1
1966599356329,18cyclictest7733-21kworker/1:0+kec_query1
1966599355344,6cyclictest7733-21kworker/1:0+kec_query1
1966599353333,15cyclictest7733-21kworker/1:0+kec_query1
1966599352341,6cyclictest7733-21kworker/1:0+kec_query1
1966599351341,5cyclictest7733-21kworker/1:0+kec_query1
1966599351340,6cyclictest7733-21kworker/1:0+kec_query1
1966599351339,7cyclictest7733-21kworker/1:0+kec_query1
19652993511,343cyclictest26716-21cstates0
1966599350339,6cyclictest7733-21kworker/1:0+kec_query1
1965299350329,15cyclictest27360-21cut0
1966599349338,6cyclictest26147-21kworker/1:1+kec_query1
1966599349338,6cyclictest26147-21kworker/1:1+kec_query1
1966599348337,6cyclictest7733-21kworker/1:0+kec_query1
1966599348337,6cyclictest7733-21kworker/1:0+kec_query1
1966599348337,6cyclictest7733-21kworker/1:0+kec_query1
1966599347337,5cyclictest7733-21kworker/1:0+kec_query1
1965299347337,6cyclictest0-21swapper/00
1965299347335,7cyclictest12256-21kworker/0:0+kec_query0
19652993471,338cyclictest19239-21chrt0
1966599346335,6cyclictest7733-21kworker/1:0+kec_query1
1966599346335,6cyclictest26147-21kworker/1:1+kec_query1
1965299346335,6cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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