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2026-07-06 - 10:00
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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 3610 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 Jul 06, 2026 01:16:24)
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
7756993801,373cyclictest0-21swapper/00
776099373362,6cyclictest1547-21kworker/1:0+kec_query1
7756993711,364cyclictest0-21swapper/00
775699366357,5cyclictest0-21swapper/00
776099365354,6cyclictest1547-21kworker/1:0+kec_query1
775699365356,5cyclictest0-21swapper/00
775699365356,5cyclictest0-21swapper/00
775699365356,5cyclictest0-21swapper/00
776099361336,16cyclictest1547-21kworker/1:0+kec_query1
775699361352,5cyclictest0-21swapper/00
776099360340,15cyclictest25973-21kworker/1:2+kec_query1
776099359348,6cyclictest1547-21kworker/1:0+kec_query1
776099358347,6cyclictest25973-21kworker/1:2+kec_query1
776099358347,6cyclictest1547-21kworker/1:0+kec_query1
775699358349,5cyclictest0-21swapper/00
7756993581,352cyclictest0-21swapper/00
776099357345,7cyclictest1547-21kworker/1:0+kec_query1
7756993572,349cyclictest0-21swapper/00
776099356345,6cyclictest22849-21kworker/1:2+kec_query1
776099356343,8cyclictest25973-21kworker/1:2+kec_query1
775699356347,5cyclictest0-21swapper/00
775699356347,5cyclictest0-21swapper/00
776099355344,6cyclictest22849-21kworker/1:2+kec_query1
776099355343,7cyclictest25973-21kworker/1:2+kec_query1
775699355346,5cyclictest0-21swapper/00
775699355345,6cyclictest0-21swapper/00
7756993551,348cyclictest0-21swapper/00
776099354341,8cyclictest25973-21kworker/1:2+kec_query1
775699354345,5cyclictest0-21swapper/00
7756993541,345cyclictest17303-21cat0
776099353342,6cyclictest25973-21kworker/1:2+kec_query1
776099353342,6cyclictest25973-21kworker/1:2+kec_query1
776099353342,6cyclictest1547-21kworker/1:0+kec_query1
776099353342,6cyclictest1547-21kworker/1:0+kec_query1
776099353342,6cyclictest1547-21kworker/1:0+kec_query1
7756993531,345cyclictest4085-21/usr/sbin/munin0
776099352341,6cyclictest25973-21kworker/1:2+kec_query1
776099352341,6cyclictest25973-21kworker/1:2+kec_query1
7756993522,342cyclictest5560-21ssh0
776099351340,6cyclictest22849-21kworker/1:2+kec_query1
776099351340,6cyclictest22849-21kworker/1:2+kec_query1
776099351340,6cyclictest22849-21kworker/1:2+kec_query1
776099351340,6cyclictest11726-21kworker/1:0+kec_query1
775699351342,5cyclictest0-21swapper/00
775699351342,5cyclictest0-21swapper/00
775699351339,7cyclictest6454-21ssh0
775699351339,7cyclictest6454-21ssh0
776099350339,6cyclictest25973-21kworker/1:2+kec_query1
776099350339,6cyclictest22849-21kworker/1:2+kec_query1
776099350323,18cyclictest22044-21kworker/1:2+kec_query1
775699350341,5cyclictest0-21swapper/00
775699350341,5cyclictest0-21swapper/00
7756993501,343cyclictest0-21swapper/00
7756993501,343cyclictest0-21swapper/00
776099349338,6cyclictest20301-21kworker/1:1+kec_query1
776099349337,7cyclictest25973-21kworker/1:2+kec_query1
776099349337,7cyclictest1547-21kworker/1:0+kec_query1
776099349337,7cyclictest1547-21kworker/1:0+kec_query1
775699349340,5cyclictest0-21swapper/00
775699349337,7cyclictest29259-21apt-get0
776099348337,6cyclictest1547-21kworker/1:0+kec_query1
776099348336,7cyclictest1547-21kworker/1:0+kec_query1
775699348339,5cyclictest0-21swapper/00
7756993482,340cyclictest0-21swapper/00
7756993481,342cyclictest0-21swapper/00
7756993481,341cyclictest0-21swapper/00
7756993481,341cyclictest0-21swapper/00
776099347336,6cyclictest22849-21kworker/1:2+kec_query1
776099347335,7cyclictest22849-21kworker/1:2+kec_query1
775699347338,5cyclictest0-21swapper/00
775699347338,5cyclictest0-21swapper/00
7756993471,3cyclictest0-21swapper/00
7756993471,340cyclictest0-21swapper/00
776099346335,6cyclictest25973-21kworker/1:2+kec_query1
776099346335,6cyclictest22849-21kworker/1:2+kec_query1
775699346337,5cyclictest0-21swapper/00
775699346337,5cyclictest0-21swapper/00
775699346337,5cyclictest0-21swapper/00
775699346337,5cyclictest0-21swapper/00
775699346337,5cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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