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2026-03-09 - 17:42
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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 Mon Mar 09, 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
111299383371,7cyclictest11583-21kworker/0:2+kec_query0
111799377368,5cyclictest5250irq/9-acpi1
111299374366,5cyclictest0-21swapper/00
111299374363,6cyclictest11583-21kworker/0:2+kec_query0
111299369358,6cyclictest11583-21kworker/0:2+kec_query0
111799368357,6cyclictest12602-21kworker/1:0+kec_query1
111799367360,4cyclictest5250irq/9-acpi1
111299367358,5cyclictest0-21swapper/00
111799366355,6cyclictest12602-21kworker/1:0+kec_query1
111299366355,6cyclictest11583-21kworker/0:2+kec_query0
111299364352,7cyclictest11583-21kworker/0:2+kec_query0
111799363355,5cyclictest5250irq/9-acpi1
111299363352,6cyclictest11583-21kworker/0:2+kec_query0
111799362350,7cyclictest5668-21kworker/1:2+kec_query1
111299362351,6cyclictest11583-21kworker/0:2+kec_query0
111799361352,5cyclictest5250irq/9-acpi1
111299361350,6cyclictest11583-21kworker/0:2+kec_query0
111799360348,6cyclictest5668-21kworker/1:2+kec_query1
111799359349,6cyclictest5250irq/9-acpi1
111799359347,7cyclictest11818-21kworker/1:1+kec_query1
111299358348,6cyclictest0-21swapper/00
111299358347,6cyclictest11583-21kworker/0:2+kec_query0
111799356349,4cyclictest5250irq/9-acpi1
111799355344,6cyclictest11818-21kworker/1:1+kec_query1
111799355343,6cyclictest12824-21kworker/1:0+kec_query1
111299355344,6cyclictest11583-21kworker/0:2+kec_query0
111299355344,6cyclictest11583-21kworker/0:2+kec_query0
111299355344,6cyclictest11583-21kworker/0:2+kec_query0
1112993551,348cyclictest0-21swapper/00
111299354343,6cyclictest11583-21kworker/0:2+kec_query0
1117993532,345cyclictest5250irq/9-acpi1
111299353344,5cyclictest0-21swapper/00
111299353342,6cyclictest11583-21kworker/0:2+kec_query0
111799352345,4cyclictest5250irq/9-acpi1
111299352341,6cyclictest11583-21kworker/0:2+kec_query0
111799351342,5cyclictest5250irq/9-acpi1
111799351341,6cyclictest5250irq/9-acpi1
111799351340,6cyclictest12824-21kworker/1:0+kec_query1
111799350341,5cyclictest5250irq/9-acpi1
111799350339,6cyclictest5668-21kworker/1:2+kec_query1
111799350339,6cyclictest11818-21kworker/1:1+kec_query1
111799350338,6cyclictest5668-21kworker/1:2+kec_query1
111799350338,6cyclictest12602-21kworker/1:0+kec_query1
111299350336,9cyclictest11583-21kworker/0:2+kec_query0
111799349342,4cyclictest5250irq/9-acpi1
111799349337,7cyclictest5668-21kworker/1:2+kec_query1
111299349340,5cyclictest0-21swapper/00
111299349340,5cyclictest0-21swapper/00
111299349338,6cyclictest11583-21kworker/0:2+kec_query0
111299349338,6cyclictest11583-21kworker/0:2+kec_query0
111299349338,6cyclictest11583-21kworker/0:2+kec_query0
111299349338,6cyclictest11583-21kworker/0:2+kec_query0
111299349337,7cyclictest11583-21kworker/0:2+kec_query0
111299349335,8cyclictest27130-21df_inode0
111299349329,14cyclictest17678-21cat0
111799348332,7cyclictest5668-21kworker/1:2+kec_query1
111799348332,7cyclictest5668-21kworker/1:2+kec_query1
111299348337,6cyclictest11583-21kworker/0:2+kec_query0
111299348337,6cyclictest11583-21kworker/0:2+kec_query0
111299348336,7cyclictest11583-21kworker/0:2+kec_query0
111799347337,6cyclictest5668-21kworker/1:2+kec_query1
111799347336,7cyclictest5250irq/9-acpi1
111299347335,7cyclictest11583-21kworker/0:2+kec_query0
111799346338,5cyclictest5250irq/9-acpi1
111799346334,7cyclictest12602-21kworker/1:0+kec_query1
111299346337,5cyclictest0-21swapper/00
111299346335,6cyclictest11583-21kworker/0:2+kec_query0
111299346334,7cyclictest11583-21kworker/0:2+kec_query0
111799345337,5cyclictest5250irq/9-acpi1
111799345334,6cyclictest12602-21kworker/1:0+kec_query1
111299345334,7cyclictest0-21swapper/00
111299345334,7cyclictest0-21swapper/00
111299345334,6cyclictest11583-21kworker/0:2+kec_query0
111799344336,5cyclictest5250irq/9-acpi1
111799344335,5cyclictest5250irq/9-acpi1
111799344334,5cyclictest12824-21kworker/1:0+kec_query1
111299344334,6cyclictest0-21swapper/00
111299344333,6cyclictest11583-21kworker/0:2+kec_query0
111299344333,6cyclictest11583-21kworker/0:2+kec_query0
111299344332,7cyclictest11583-21kworker/0:2+kec_query0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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