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2026-03-17 - 01:31
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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 Mon Mar 16, 2026 13:16:11)
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
1058499385373,6cyclictest13608-21kworker/1:0+kec_query1
1058499380370,6cyclictest5250irq/9-acpi1
1058499377370,4cyclictest5250irq/9-acpi1
1057799374362,7cyclictest25878-21kworker/0:2+kec_query0
1058499372362,6cyclictest5250irq/9-acpi1
1057799371360,6cyclictest22061-21kworker/0:1+kec_query0
1057799370359,6cyclictest22061-21kworker/0:1+kec_query0
1057799368356,7cyclictest22061-21kworker/0:1+kec_query0
1058499367359,5cyclictest5250irq/9-acpi1
1058499367359,4cyclictest5250irq/9-acpi1
1057799366355,6cyclictest22061-21kworker/0:1+kec_query0
1057799364353,6cyclictest22061-21kworker/0:1+kec_query0
1057799363351,7cyclictest22061-21kworker/0:1+kec_query0
10584993627,344cyclictest5250irq/9-acpi1
1057799362350,7cyclictest22061-21kworker/0:1+kec_query0
1058499361353,5cyclictest5250irq/9-acpi1
1058499361353,5cyclictest5250irq/9-acpi1
1057799361350,6cyclictest25878-21kworker/0:2+kec_query0
1057799361350,6cyclictest22061-21kworker/0:1+kec_query0
1057799361350,6cyclictest22061-21kworker/0:1+kec_query0
1058499360349,6cyclictest13608-21kworker/1:0+kec_query1
1057799360349,6cyclictest22061-21kworker/0:1+kec_query0
1057799360348,7cyclictest22061-21kworker/0:1+kec_query0
1057799359348,6cyclictest23172-21kworker/0:2+kec_query0
1057799359348,6cyclictest22061-21kworker/0:1+kec_query0
1058499358348,5cyclictest26986-21kworker/1:2+kec_query1
1057799358347,6cyclictest19070-21kworker/0:0+kec_query0
1058499357349,5cyclictest5250irq/9-acpi1
1057799357346,6cyclictest22061-21kworker/0:1+kec_query0
1058499356348,5cyclictest5250irq/9-acpi1
1058499356344,7cyclictest26986-21kworker/1:2+kec_query1
1057799356344,7cyclictest25878-21kworker/0:2+kec_query0
1058499355347,5cyclictest5250irq/9-acpi1
1058499355345,6cyclictest5250irq/9-acpi1
1057799355343,7cyclictest25878-21kworker/0:2+kec_query0
1058499354347,4cyclictest5250irq/9-acpi1
1058499354340,9cyclictest9484-21kworker/1:1+kec_query1
1057799354343,6cyclictest22061-21kworker/0:1+kec_query0
1057799354343,6cyclictest22061-21kworker/0:1+kec_query0
1057799354342,7cyclictest22061-21kworker/0:1+kec_query0
1058499353346,4cyclictest5250irq/9-acpi1
1057799353342,6cyclictest25878-21kworker/0:2+kec_query0
1057799353342,6cyclictest25878-21kworker/0:2+kec_query0
1057799353342,6cyclictest22061-21kworker/0:1+kec_query0
1057799353341,7cyclictest19428-21kworker/0:0+kec_query0
1058499352344,4cyclictest5250irq/9-acpi1
1057799352341,6cyclictest25878-21kworker/0:2+kec_query0
1058499351343,5cyclictest5250irq/9-acpi1
1058499351343,5cyclictest5250irq/9-acpi1
1058499351342,5cyclictest5250irq/9-acpi1
1057799351340,6cyclictest23172-21kworker/0:2+kec_query0
1057799351340,6cyclictest22061-21kworker/0:1+kec_query0
1057799351340,6cyclictest22061-21kworker/0:1+kec_query0
1057799351339,7cyclictest22061-21kworker/0:1+kec_query0
1058499350343,4cyclictest5250irq/9-acpi1
1058499350342,5cyclictest5250irq/9-acpi1
1058499350338,7cyclictest26986-21kworker/1:2+kec_query1
1057799350339,6cyclictest25878-21kworker/0:2+kec_query0
1057799350339,6cyclictest25878-21kworker/0:2+kec_query0
1057799350338,7cyclictest22061-21kworker/0:1+kec_query0
1057799350337,8cyclictest19070-21kworker/0:0+kec_query0
1058499349342,4cyclictest5250irq/9-acpi1
1058499349342,4cyclictest5250irq/9-acpi1
1058499349340,5cyclictest5250irq/9-acpi1
1058499349340,5cyclictest5250irq/9-acpi1
1058499349338,5cyclictest26986-21kworker/1:2+kec_query1
1057799349338,6cyclictest25878-21kworker/0:2+kec_query0
1057799349337,7cyclictest22061-21kworker/0:1+kec_query0
10577993492,5cyclictest16977-21tr0
1058499348340,4cyclictest5250irq/9-acpi1
1058499348337,6cyclictest13608-21kworker/1:0+kec_query1
1058499348337,6cyclictest13608-21kworker/1:0+kec_query1
1057799348337,6cyclictest25878-21kworker/0:2+kec_query0
1057799348336,7cyclictest22061-21kworker/0:1+kec_query0
1058499347340,4cyclictest5250irq/9-acpi1
1058499347338,5cyclictest5250irq/9-acpi1
1057799347336,6cyclictest25878-21kworker/0:2+kec_query0
1058499346339,4cyclictest5250irq/9-acpi1
1058499346335,6cyclictest26986-21kworker/1:2+kec_query1
1058499346335,6cyclictest26986-21kworker/1:2+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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