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2026-01-09 - 07:13
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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 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 Fri Jan 09, 2026 01:16:05)
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
161099386375,6cyclictest1161-21kworker/1:1+kec_query1
161099382373,5cyclictest5250irq/9-acpi1
161099374363,6cyclictest7284-21kworker/1:1+kec_query1
161099372361,6cyclictest14907-21kworker/1:0+kec_query1
161099370359,6cyclictest6038-21kworker/1:0+kec_query1
161099370359,6cyclictest6038-21kworker/1:0+kec_query1
161099369358,6cyclictest6038-21kworker/1:0+kec_query1
161099368357,6cyclictest7284-21kworker/1:1+kec_query1
160699366357,5cyclictest0-21swapper/00
161099362351,6cyclictest7284-21kworker/1:1+kec_query1
161099362351,6cyclictest32527-21kworker/1:1+kec_query1
161099361350,6cyclictest7284-21kworker/1:1+kec_query1
161099360347,7cyclictest3959-21kworker/1:2+kec_query1
161099359348,6cyclictest1161-21kworker/1:1+kec_query1
161099357347,5cyclictest7284-21kworker/1:1+kec_query1
161099357346,6cyclictest7284-21kworker/1:1+kec_query1
161099357346,6cyclictest1161-21kworker/1:1+kec_query1
161099357346,6cyclictest1161-21kworker/1:1+kec_query1
161099356347,5cyclictest5250irq/9-acpi1
161099356345,6cyclictest7284-21kworker/1:1+kec_query1
160699356340,11cyclictest29788-21runrttasks0
161099354343,6cyclictest3959-21kworker/1:2+kec_query1
161099354343,6cyclictest3959-21kworker/1:2+kec_query1
160699354345,5cyclictest0-21swapper/00
1606993541,347cyclictest0-21swapper/00
161099353342,6cyclictest7284-21kworker/1:1+kec_query1
161099353342,6cyclictest7284-21kworker/1:1+kec_query1
161099353342,6cyclictest6038-21kworker/1:0+kec_query1
161099353342,6cyclictest3959-21kworker/1:2+kec_query1
161099353342,6cyclictest1161-21kworker/1:1+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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