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2026-04-02 - 11:16
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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 Thu Apr 02, 2026 01:16:09)
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
184199385374,6cyclictest23263-21kworker/1:1+kec_query1
184199374353,17cyclictest5250irq/9-acpi1
184099370358,7cyclictest22247-21kworker/0:0+kec_query0
184099369360,5cyclictest0-21swapper/00
184199368360,5cyclictest5250irq/9-acpi1
184099367355,7cyclictest22247-21kworker/0:0+kec_query0
184199366357,6cyclictest5250irq/9-acpi1
184099365353,7cyclictest22247-21kworker/0:0+kec_query0
184099364353,6cyclictest22247-21kworker/0:0+kec_query0
184099364353,6cyclictest22247-21kworker/0:0+kec_query0
184099364353,6cyclictest22247-21kworker/0:0+kec_query0
184199362355,4cyclictest5250irq/9-acpi1
184099362351,6cyclictest22247-21kworker/0:0+kec_query0
184199361350,6cyclictest23263-21kworker/1:1+kec_query1
184199361349,7cyclictest23263-21kworker/1:1+kec_query1
184199359352,4cyclictest5250irq/9-acpi1
184099357346,6cyclictest22247-21kworker/0:0+kec_query0
184199355344,6cyclictest9849-21kworker/1:0+kec_query1
184199354343,6cyclictest9849-21kworker/1:0+kec_query1
184099354343,6cyclictest22247-21kworker/0:0+kec_query0
184099354343,6cyclictest22247-21kworker/0:0+kec_query0
184099354342,7cyclictest22247-21kworker/0:0+kec_query0
184199353344,5cyclictest5250irq/9-acpi1
184199353341,7cyclictest23263-21kworker/1:1+kec_query1
184099353342,6cyclictest8971-21kworker/0:3+kec_query0
184199352345,4cyclictest5250irq/9-acpi1
184199352344,5cyclictest5250irq/9-acpi1
184199352341,6cyclictest23263-21kworker/1:1+kec_query1
184199352340,7cyclictest23263-21kworker/1:1+kec_query1
184099351340,6cyclictest22247-21kworker/0:0+kec_query0
184099351340,6cyclictest22247-21kworker/0:0+kec_query0
184099351340,6cyclictest22247-21kworker/0:0+kec_query0
184099351338,8cyclictest22247-21kworker/0:0+kec_query0
184199350343,4cyclictest5250irq/9-acpi1
184199350338,7cyclictest23263-21kworker/1:1+kec_query1
184099350339,6cyclictest22247-21kworker/0:0+kec_query0
184099350339,6cyclictest22247-21kworker/0:0+kec_query0
184099350339,6cyclictest22247-21kworker/0:0+kec_query0
184099350338,7cyclictest22247-21kworker/0:0+kec_query0
184199349340,5cyclictest5250irq/9-acpi1
184199349338,6cyclictest23263-21kworker/1:1+kec_query1
184199349338,6cyclictest23263-21kworker/1:1+kec_query1
184199349338,6cyclictest23263-21kworker/1:1+kec_query1
184199349332,13cyclictest5250irq/9-acpi1
184199349326,14cyclictest23263-21kworker/1:1+kec_query1
184099349338,6cyclictest22247-21kworker/0:0+kec_query0
1840993492,6cyclictest11371-21ts2lt0
184199348341,4cyclictest5250irq/9-acpi1
184199348338,6cyclictest5250irq/9-acpi1
184199348337,7cyclictest23263-21kworker/1:1+kec_query1
184199348337,6cyclictest23263-21kworker/1:1+kec_query1
184199347340,4cyclictest5250irq/9-acpi1
184199347340,4cyclictest5250irq/9-acpi1
184199347340,4cyclictest5250irq/9-acpi1
184199347338,5cyclictest5250irq/9-acpi1
184199347336,6cyclictest23263-21kworker/1:1+kec_query1
184199347336,6cyclictest23263-21kworker/1:1+kec_query1
184199347335,7cyclictest23263-21kworker/1:1+kec_query1
184099347336,6cyclictest22247-21kworker/0:0+kec_query0
184099347336,6cyclictest22247-21kworker/0:0+kec_query0
184199346335,6cyclictest23263-21kworker/1:1+kec_query1
184199346335,6cyclictest23263-21kworker/1:1+kec_query1
184099346335,6cyclictest8971-21kworker/0:3+kec_query0
184099346335,6cyclictest22247-21kworker/0:0+kec_query0
184099346335,6cyclictest22247-21kworker/0:0+kec_query0
184099346334,7cyclictest22247-21kworker/0:0+kec_query0
184199345338,4cyclictest5250irq/9-acpi1
184199345333,7cyclictest23263-21kworker/1:1+kec_query1
184099345334,6cyclictest8971-21kworker/0:3+kec_query0
184099345334,6cyclictest22247-21kworker/0:0+kec_query0
184099345334,6cyclictest22247-21kworker/0:0+kec_query0
184199344337,4cyclictest5250irq/9-acpi1
184199344335,5cyclictest5250irq/9-acpi1
184199344333,6cyclictest23263-21kworker/1:1+kec_query1
184199344323,16cyclictest23263-21kworker/1:1+kec_query1
184099344333,6cyclictest22247-21kworker/0:0+kec_query0
184199343334,5cyclictest5250irq/9-acpi1
184199343333,6cyclictest5250irq/9-acpi1
1841993433,334cyclictest5250irq/9-acpi1
184199343332,6cyclictest23263-21kworker/1:1+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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