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2026-04-08 - 00:18
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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 100 highest latencies:
System rack6slot4.osadl.org (updated Tue Apr 07, 2026 13:16:13)
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
2776499381372,5cyclictest0-21swapper/00
2776599375364,6cyclictest16917-21kworker/1:0+kec_query1
2776499375366,5cyclictest0-21swapper/00
2776599372361,6cyclictest5763-21kworker/1:0+kec_query1
27764993711,364cyclictest0-21swapper/00
2776599367355,7cyclictest8023-21kworker/1:2+kec_query1
27764993671,3cyclictest0-21swapper/00
2776599366355,6cyclictest8023-21kworker/1:2+kec_query1
2776599366354,7cyclictest8023-21kworker/1:2+kec_query1
27764993661,359cyclictest0-21swapper/00
2776499365355,6cyclictest0-21swapper/00
2776599364353,6cyclictest8023-21kworker/1:2+kec_query1
2776599364353,6cyclictest8023-21kworker/1:2+kec_query1
2776599364353,6cyclictest16917-21kworker/1:0+kec_query1
2776599363352,6cyclictest5763-21kworker/1:0+kec_query1
2776499363354,5cyclictest0-21swapper/00
2776499363354,5cyclictest0-21swapper/00
2776499360351,5cyclictest0-21swapper/00
27764993601,3cyclictest0-21swapper/00
27764993601,352cyclictest14249-21dump-pmu-power0
27764993601,352cyclictest14249-21dump-pmu-power0
2776599359348,6cyclictest8023-21kworker/1:2+kec_query1
2776599359348,6cyclictest20625-21kworker/1:1+kec_query1
2776599359348,6cyclictest20625-21kworker/1:1+kec_query1
2776599359347,7cyclictest20625-21kworker/1:1+kec_query1
27764993591,3cyclictest0-21swapper/00
2776599358346,7cyclictest16917-21kworker/1:0+kec_query1
2776499358349,5cyclictest0-21swapper/00
2776499358349,5cyclictest0-21swapper/00
27764993581,351cyclictest0-21swapper/00
27764993571,350cyclictest0-21swapper/00
2776599356345,6cyclictest8023-21kworker/1:2+kec_query1
2776599356345,6cyclictest8023-21kworker/1:2+kec_query1
2776599356344,7cyclictest20625-21kworker/1:1+kec_query1
2776599356344,7cyclictest20625-21kworker/1:1+kec_query1
2776599355344,6cyclictest1489-21kworker/1:0+kec_query1
2776499355346,5cyclictest0-21swapper/00
2776499355346,5cyclictest0-21swapper/00
2776499355346,5cyclictest0-21swapper/00
27764993552,7cyclictest9927-21ntp_states0
27764993551,3cyclictest0-21swapper/00
27764993551,348cyclictest0-21swapper/00
2776599354343,6cyclictest8023-21kworker/1:2+kec_query1
2776599354343,6cyclictest16917-21kworker/1:0+kec_query1
2776599354342,7cyclictest20625-21kworker/1:1+kec_query1
2776599354342,7cyclictest20625-21kworker/1:1+kec_query1
2776599354342,6cyclictest8023-21kworker/1:2+kec_query1
2776599354342,6cyclictest8023-21kworker/1:2+kec_query1
2776599353342,6cyclictest8023-21kworker/1:2+kec_query1
2776599353342,6cyclictest20625-21kworker/1:1+kec_query1
2776599353333,15cyclictest8023-21kworker/1:2+kec_query1
27764993532,343cyclictest31694-21diskstats0
2776599352341,6cyclictest8023-21kworker/1:2+kec_query1
2776599352340,7cyclictest20625-21kworker/1:1+kec_query1
2776499352343,5cyclictest0-21swapper/00
2776499352341,6cyclictest26050-21kworker/0:2+kec_query0
27764993521,345cyclictest0-21swapper/00
2776599351339,7cyclictest20625-21kworker/1:1+kec_query1
2776599351338,8cyclictest8023-21kworker/1:2+kec_query1
2776499351342,5cyclictest0-21swapper/00
2776499351342,5cyclictest0-21swapper/00
2776499351341,6cyclictest0-21swapper/00
2776499350341,5cyclictest0-21swapper/00
2776599349338,6cyclictest8023-21kworker/1:2+kec_query1
2776599349338,6cyclictest8023-21kworker/1:2+kec_query1
2776599349338,6cyclictest16917-21kworker/1:0+kec_query1
2776599349337,7cyclictest20625-21kworker/1:1+kec_query1
2776599349336,6cyclictest8023-21kworker/1:2+kec_query1
2776499349340,5cyclictest0-21swapper/00
2776499349337,7cyclictest26050-21kworker/0:2+kec_query0
27764993491,342cyclictest0-21swapper/00
27764993491,342cyclictest0-21swapper/00
2776599348338,5cyclictest8023-21kworker/1:2+kec_query1
2776599348337,6cyclictest20625-21kworker/1:1+kec_query1
2776499348340,5cyclictest0-21swapper/00
2776499348339,5cyclictest0-21swapper/00
2776499348339,5cyclictest0-21swapper/00
2776499348339,5cyclictest0-21swapper/00
27764993482,340cyclictest0-21swapper/00
27764993481,341cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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