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2025-12-01 - 12:29
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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 Sun Nov 30, 2025 13:22:41)
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
2839999375368,4cyclictest5250irq/9-acpi1
2839999374364,5cyclictest23758-21kworker/1:2+kec_query1
2839199373361,8cyclictest15786-21runrttasks0
2839199373361,7cyclictest13848-21kworker/0:1+kec_query0
2839999372365,4cyclictest5250irq/9-acpi1
2839999371359,7cyclictest23758-21kworker/1:2+kec_query1
2839999367357,5cyclictest13326-21kworker/1:1+kec_query1
2839199366352,9cyclictest588-21runrttasks0
2839199365352,8cyclictest24972-21kworker/0:2+kec_query0
2839999364353,6cyclictest13326-21kworker/1:1+kec_query1
2839999363352,6cyclictest23758-21kworker/1:2+kec_query1
2839999363352,6cyclictest23758-21kworker/1:2+kec_query1
2839999362350,7cyclictest23758-21kworker/1:2+kec_query1
2839999361350,6cyclictest23758-21kworker/1:2+kec_query1
2839999361349,7cyclictest23758-21kworker/1:2+kec_query1
2839999360349,6cyclictest13326-21kworker/1:1+kec_query1
2839999359348,6cyclictest23758-21kworker/1:2+kec_query1
2839999358348,5cyclictest23758-21kworker/1:2+kec_query1
2839199358346,7cyclictest24972-21kworker/0:2+kec_query0
2839999357343,9cyclictest23758-21kworker/1:2+kec_query1
28391993571,349cyclictest588-21runrttasks0
28391993571,349cyclictest3530-21runrttasks0
2839999356345,6cyclictest23758-21kworker/1:2+kec_query1
2839999355344,6cyclictest23758-21kworker/1:2+kec_query1
2839999355344,6cyclictest13326-21kworker/1:1+kec_query1
2839199355343,7cyclictest24972-21kworker/0:2+kec_query0
2839199355339,11cyclictest10097-21runrttasks0
2839999354343,6cyclictest23758-21kworker/1:2+kec_query1
2839999354343,6cyclictest23758-21kworker/1:2+kec_query1
2839999354342,7cyclictest13326-21kworker/1:1+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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