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2026-03-19 - 07:55
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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 3618 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 Thu Mar 19, 2026 01:16:15)
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
22957993818,4cyclictest5250irq/9-acpi1
22953993781,371cyclictest0-21swapper/00
2295799375364,6cyclictest19108-21kworker/1:0+kec_query1
2295799373362,6cyclictest19108-21kworker/1:0+kec_query1
2295799366358,4cyclictest5250irq/9-acpi1
2295799366356,6cyclictest5250irq/9-acpi1
2295799365355,6cyclictest5250irq/9-acpi1
2295799365354,6cyclictest19108-21kworker/1:0+kec_query1
2295799364355,5cyclictest5250irq/9-acpi1
2295799360352,5cyclictest5250irq/9-acpi1
2295799358347,6cyclictest19108-21kworker/1:0+kec_query1
2295799357350,4cyclictest5250irq/9-acpi1
2295799357347,6cyclictest5250irq/9-acpi1
2295799356345,6cyclictest19108-21kworker/1:0+kec_query1
2295799355331,16cyclictest19108-21kworker/1:0+kec_query1
2295799354342,7cyclictest19108-21kworker/1:0+kec_query1
22953993541,345cyclictest1173-21taskset0
2295799353342,6cyclictest29503-21kworker/1:2+kec_query1
2295799353342,6cyclictest19108-21kworker/1:0+kec_query1
2295799353342,6cyclictest19108-21kworker/1:0+kec_query1
2295799352344,5cyclictest5250irq/9-acpi1
2295799352342,6cyclictest5250irq/9-acpi1
2295799352341,6cyclictest29503-21kworker/1:2+kec_query1
2295799352341,6cyclictest19108-21kworker/1:0+kec_query1
2295799352341,6cyclictest19108-21kworker/1:0+kec_query1
2295399352343,5cyclictest0-21swapper/00
2295799351344,4cyclictest5250irq/9-acpi1
2295799351343,5cyclictest5250irq/9-acpi1
2295799350343,4cyclictest5250irq/9-acpi1
2295799350343,4cyclictest5250irq/9-acpi1
2295799350342,5cyclictest5250irq/9-acpi1
2295799350341,5cyclictest5250irq/9-acpi1
2295799350339,6cyclictest19108-21kworker/1:0+kec_query1
2295799349342,4cyclictest5250irq/9-acpi1
2295799349340,5cyclictest5250irq/9-acpi1
2295799349340,5cyclictest5250irq/9-acpi1
2295799349338,6cyclictest19108-21kworker/1:0+kec_query1
2295799349338,6cyclictest19108-21kworker/1:0+kec_query1
2295799349338,6cyclictest19108-21kworker/1:0+kec_query1
2295799349337,7cyclictest19108-21kworker/1:0+kec_query1
2295799349337,7cyclictest19108-21kworker/1:0+kec_query1
2295799348341,4cyclictest5250irq/9-acpi1
2295799348337,6cyclictest19108-21kworker/1:0+kec_query1
2295799348337,6cyclictest19108-21kworker/1:0+kec_query1
2295799347340,4cyclictest5250irq/9-acpi1
2295799347340,4cyclictest5250irq/9-acpi1
2295799347339,4cyclictest5250irq/9-acpi1
2295799347336,6cyclictest19108-21kworker/1:0+kec_query1
2295799347330,13cyclictest5250irq/9-acpi1
2295799346335,6cyclictest19108-21kworker/1:0+kec_query1
2295799346335,6cyclictest19108-21kworker/1:0+kec_query1
2295799346334,6cyclictest19108-21kworker/1:0+kec_query1
2295799346321,16cyclictest19108-21kworker/1:0+kec_query1
2295799345338,4cyclictest5250irq/9-acpi1
2295799345334,6cyclictest19108-21kworker/1:0+kec_query1
2295799344335,5cyclictest5250irq/9-acpi1
2295799344335,5cyclictest5250irq/9-acpi1
2295799344335,5cyclictest5250irq/9-acpi1
2295799344333,6cyclictest29503-21kworker/1:2+kec_query1
2295799344333,6cyclictest19108-21kworker/1:0+kec_query1
2295799344333,6cyclictest19108-21kworker/1:0+kec_query1
2295399344332,7cyclictest27203-21kworker/0:2+kec_query0
22953993442,7cyclictest4634-21cstates0
2295799343335,5cyclictest5250irq/9-acpi1
2295799343334,5cyclictest5250irq/9-acpi1
2295799343332,6cyclictest19108-21kworker/1:0+kec_query1
2295799343332,6cyclictest19108-21kworker/1:0+kec_query1
2295799343332,6cyclictest19108-21kworker/1:0+kec_query1
2295799343332,6cyclictest19108-21kworker/1:0+kec_query1
2295399343334,5cyclictest0-21swapper/00
2295399343332,6cyclictest4534-21apt-get0
2295399343332,6cyclictest4534-21apt-get0
2295799342331,6cyclictest19108-21kworker/1:0+kec_query1
2295399342333,5cyclictest0-21swapper/00
2295399342330,7cyclictest8530-21kworker/0:2+kec_query0
22953993421,335cyclictest0-21swapper/00
22953993411,334cyclictest0-21swapper/00
22953993411,332cyclictest23316-21hddtemp_smartct0
2295799340329,6cyclictest19108-21kworker/1:0+kec_query1
2295399339328,6cyclictest16533-21kworker/0:0+kec_query0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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