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2026-07-16 - 16:48
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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 3608 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 Thu Jul 16, 2026 13:16:22)
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
2817199369358,6cyclictest19620-21kworker/1:2+kec_query1
2817199363351,6cyclictest23738-21kworker/1:1+kec_query1
2817199362350,7cyclictest23738-21kworker/1:1+kec_query1
2817199361350,6cyclictest27721-21kworker/1:0+kec_query1
2817199361350,6cyclictest23738-21kworker/1:1+kec_query1
2816899361350,6cyclictest11087-21if_err_enp1s00
2817199358347,6cyclictest27721-21kworker/1:0+kec_query1
2817199354342,7cyclictest27721-21kworker/1:0+kec_query1
2817199353342,6cyclictest23738-21kworker/1:1+kec_query1
2817199353342,6cyclictest23738-21kworker/1:1+kec_query1
2816899353344,5cyclictest0-21swapper/00
2816899353344,5cyclictest0-21swapper/00
2816899352343,5cyclictest0-21swapper/00
2817199351340,6cyclictest23738-21kworker/1:1+kec_query1
2816899351342,5cyclictest0-21swapper/00
2817199350338,7cyclictest23738-21kworker/1:1+kec_query1
2817199349338,6cyclictest27721-21kworker/1:0+kec_query1
2817199349335,8cyclictest27721-21kworker/1:0+kec_query1
2817199347335,6cyclictest27721-21kworker/1:0+kec_query1
2817199346336,6cyclictest27721-21kworker/1:0+kec_query1
2817199346335,6cyclictest23738-21kworker/1:1+kec_query1
2817199346327,14cyclictest23738-21kworker/1:1+kec_query1
2817199345334,6cyclictest23738-21kworker/1:1+kec_query1
2817199345333,7cyclictest23738-21kworker/1:1+kec_query1
2817199345331,9cyclictest23738-21kworker/1:1+kec_query1
2817199345329,7cyclictest23738-21kworker/1:1+kec_query1
2817199344335,5cyclictest9729-21kworker/1:2+kec_query1
2817199344334,6cyclictest19620-21kworker/1:2+kec_query1
2817199344333,6cyclictest9729-21kworker/1:2+kec_query1
2817199344333,6cyclictest27721-21kworker/1:0+kec_query1
2817199344332,7cyclictest27721-21kworker/1:0+kec_query1
2817199344332,7cyclictest27721-21kworker/1:0+kec_query1
2817199344332,7cyclictest23738-21kworker/1:1+kec_query1
2817199343331,6cyclictest27721-21kworker/1:0+kec_query1
2817199342329,6cyclictest9729-21kworker/1:2+kec_query1
2816899342334,5cyclictest0-21swapper/00
2816899342334,5cyclictest0-21swapper/00
2816899342333,5cyclictest0-21swapper/00
2817199341331,6cyclictest23738-21kworker/1:1+kec_query1
2817199341330,6cyclictest23738-21kworker/1:1+kec_query1
2817199341330,6cyclictest23738-21kworker/1:1+kec_query1
2817199341330,6cyclictest19620-21kworker/1:2+kec_query1
2817199341330,6cyclictest19620-21kworker/1:2+kec_query1
2816899341332,5cyclictest0-21swapper/00
2816899341322,14cyclictest10828-21irqstats0
2816899340331,5cyclictest0-21swapper/00
2816899340330,6cyclictest0-21swapper/00
2816899340328,7cyclictest25720-21diskstats0
2816899340326,9cyclictest19563-21ssh0
2817199339330,5cyclictest0-21swapper/11
2817199338327,6cyclictest23738-21kworker/1:1+kec_query1
2817199338326,7cyclictest19620-21kworker/1:2+kec_query1
2817199338321,12cyclictest27721-21kworker/1:0+kec_query1
2817199338315,18cyclictest23738-21kworker/1:1+kec_query1
2816899338329,5cyclictest0-21swapper/00
2816899337328,5cyclictest0-21swapper/00
2816899337328,5cyclictest0-21swapper/00
2816899337328,5cyclictest0-21swapper/00
2816899337328,5cyclictest0-21swapper/00
2816899336327,5cyclictest0-21swapper/00
2816899336327,5cyclictest0-21swapper/00
2817199335323,7cyclictest27721-21kworker/1:0+kec_query1
2816899335326,5cyclictest0-21swapper/00
2816899335326,5cyclictest0-21swapper/00
2816899335323,7cyclictest29613-21kworker/0:0+kec_query0
2816899335321,8cyclictest6161-21ls0
2817199334321,7cyclictest27721-21kworker/1:0+kec_query1
2816899334325,5cyclictest0-21swapper/00
2816899334325,5cyclictest0-21swapper/00
2817199333322,6cyclictest23738-21kworker/1:1+kec_query1
2817199333322,6cyclictest19620-21kworker/1:2+kec_query1
2816899333324,5cyclictest0-21swapper/00
2816899333324,5cyclictest0-21swapper/00
2817199332321,6cyclictest23738-21kworker/1:1+kec_query1
2817199332321,6cyclictest23738-21kworker/1:1+kec_query1
2817199332321,6cyclictest23738-21kworker/1:1+kec_query1
2817199332321,6cyclictest23738-21kworker/1:1+kec_query1
2816899332323,5cyclictest0-21swapper/00
2816899332323,5cyclictest0-21swapper/00
2816899332323,5cyclictest0-21swapper/00
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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