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2026-04-19 - 08:13
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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 Apr 16, 2026 13:16:15)
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
2382899369357,7cyclictest20608-21kworker/1:2+kec_query1
2382899366359,4cyclictest5250irq/9-acpi1
2382599365354,6cyclictest8613-21kworker/0:1+kec_query0
2382899364357,4cyclictest5250irq/9-acpi1
2382899364357,4cyclictest5250irq/9-acpi1
2382599364353,6cyclictest8613-21kworker/0:1+kec_query0
2382599364348,11cyclictest13517-21/usr/sbin/munin0
23828993606,348cyclictest5250irq/9-acpi1
2382899360347,6cyclictest9792-21kworker/1:1+kec_query1
2382899360346,9cyclictest9792-21kworker/1:1+kec_query1
2382599360348,7cyclictest8613-21kworker/0:1+kec_query0
2382899359352,4cyclictest5250irq/9-acpi1
2382899359348,6cyclictest9792-21kworker/1:1+kec_query1
2382899359332,18cyclictest9792-21kworker/1:1+kec_query1
2382599359348,6cyclictest8613-21kworker/0:1+kec_query0
2382599358347,6cyclictest8613-21kworker/0:1+kec_query0
2382899357350,4cyclictest5250irq/9-acpi1
2382899356345,6cyclictest20608-21kworker/1:2+kec_query1
2382899355336,9cyclictest9792-21kworker/1:1+kec_query1
2382599355344,7cyclictest0-21swapper/00
2382599355344,6cyclictest8613-21kworker/0:1+kec_query0
2382599355344,6cyclictest8613-21kworker/0:1+kec_query0
2382899354346,5cyclictest5250irq/9-acpi1
2382899354343,6cyclictest9792-21kworker/1:1+kec_query1
2382899354342,7cyclictest9792-21kworker/1:1+kec_query1
2382899354334,6cyclictest9792-21kworker/1:1+kec_query1
2382899353346,4cyclictest5250irq/9-acpi1
2382899353342,6cyclictest20608-21kworker/1:2+kec_query1
2382599353342,6cyclictest8613-21kworker/0:1+kec_query0
2382599353341,6cyclictest8613-21kworker/0:1+kec_query0
23825993531,346cyclictest0-21swapper/00
2382899352337,6cyclictest9792-21kworker/1:1+kec_query1
2382899352334,13cyclictest5250irq/9-acpi1
2382899351343,5cyclictest5250irq/9-acpi1
2382899351340,6cyclictest9792-21kworker/1:1+kec_query1
2382899351339,7cyclictest9792-21kworker/1:1+kec_query1
2382899351339,7cyclictest9792-21kworker/1:1+kec_query1
2382899351338,7cyclictest20608-21kworker/1:2+kec_query1
2382599351340,6cyclictest8613-21kworker/0:1+kec_query0
2382599351340,6cyclictest8613-21kworker/0:1+kec_query0
2382599351339,7cyclictest8613-21kworker/0:1+kec_query0
2382899350343,4cyclictest5250irq/9-acpi1
2382899350342,5cyclictest5250irq/9-acpi1
2382899350339,6cyclictest20608-21kworker/1:2+kec_query1
2382899350339,6cyclictest20608-21kworker/1:2+kec_query1
2382899350338,6cyclictest20608-21kworker/1:2+kec_query1
23828993501,342cyclictest5250irq/9-acpi1
2382599350339,6cyclictest8613-21kworker/0:1+kec_query0
2382599350339,6cyclictest8613-21kworker/0:1+kec_query0
2382599350339,6cyclictest8613-21kworker/0:1+kec_query0
23825993501,343cyclictest0-21swapper/00
2382899349342,4cyclictest5250irq/9-acpi1
2382899349342,4cyclictest5250irq/9-acpi1
2382899349341,4cyclictest5250irq/9-acpi1
2382899349338,6cyclictest9792-21kworker/1:1+kec_query1
2382599349339,5cyclictest8613-21kworker/0:1+kec_query0
23825993492,341cyclictest0-21swapper/00
2382899348341,4cyclictest5250irq/9-acpi1
2382899348337,6cyclictest20608-21kworker/1:2+kec_query1
2382599348337,6cyclictest8613-21kworker/0:1+kec_query0
2382599348337,6cyclictest8613-21kworker/0:1+kec_query0
2382899347340,4cyclictest5250irq/9-acpi1
2382899347336,6cyclictest9792-21kworker/1:1+kec_query1
2382899347336,6cyclictest20608-21kworker/1:2+kec_query1
2382599347336,6cyclictest8613-21kworker/0:1+kec_query0
2382599347336,6cyclictest8613-21kworker/0:1+kec_query0
2382599347335,7cyclictest8613-21kworker/0:1+kec_query0
2382599347335,7cyclictest8613-21kworker/0:1+kec_query0
2382899346335,6cyclictest9792-21kworker/1:1+kec_query1
2382899346335,6cyclictest9792-21kworker/1:1+kec_query1
2382899346335,6cyclictest9792-21kworker/1:1+kec_query1
2382899346335,6cyclictest20608-21kworker/1:2+kec_query1
2382599346339,4cyclictest0-21swapper/00
2382599346335,6cyclictest8613-21kworker/0:1+kec_query0
23825993461,339cyclictest0-21swapper/00
23825993461,339cyclictest0-21swapper/00
23828993459,331cyclictest5250irq/9-acpi1
2382899345334,6cyclictest9792-21kworker/1:1+kec_query1
2382599345334,6cyclictest8613-21kworker/0:1+kec_query0
2382899344333,6cyclictest20608-21kworker/1:2+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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