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2025-12-23 - 22:51
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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 50 highest latencies:
System rack6slot4.osadl.org (updated Tue Dec 23, 2025 13:16:09)
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
357199371360,6cyclictest17143-21kworker/1:2+kec_query1
357199369357,7cyclictest17143-21kworker/1:2+kec_query1
357199366355,6cyclictest17143-21kworker/1:2+kec_query1
357199366355,6cyclictest17143-21kworker/1:2+kec_query1
356999365356,5cyclictest0-21swapper/00
357199364352,7cyclictest17143-21kworker/1:2+kec_query1
357199359348,6cyclictest17143-21kworker/1:2+kec_query1
357199357346,6cyclictest17143-21kworker/1:2+kec_query1
356999357347,5cyclictest31198-21ssh0
357199356345,6cyclictest20876-21kworker/1:2+kec_query1
3569993561,12cyclictest8980-21ts2lt0
356999355340,10cyclictest29933-21ssh0
3569993552,346cyclictest5094-21chrt0
357199354343,6cyclictest3381-21kworker/1:1+kec_query1
357199354328,17cyclictest17143-21kworker/1:2+kec_query1
357199353341,7cyclictest19945-21kworker/1:0+kec_query1
357199353330,18cyclictest19945-21kworker/1:0+kec_query1
357199352327,17cyclictest17143-21kworker/1:2+kec_query1
357199351340,6cyclictest17143-21kworker/1:2+kec_query1
357199349338,6cyclictest3381-21kworker/1:1+kec_query1
357199349338,6cyclictest17143-21kworker/1:2+kec_query1
357199349338,6cyclictest17143-21kworker/1:2+kec_query1
356999349329,15cyclictest26331-21/usr/sbin/munin0
357199348337,6cyclictest19945-21kworker/1:0+kec_query1
357199348337,6cyclictest17143-21kworker/1:2+kec_query1
357199348336,7cyclictest3381-21kworker/1:1+kec_query1
356999347336,6cyclictest0-21swapper/00
356999346337,5cyclictest0-21swapper/00
356999346337,5cyclictest0-21swapper/00
356999346337,5cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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