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2026-03-25 - 20:38
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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 3614 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 Wed Mar 25, 2026 13:16:17)
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
1505199375364,6cyclictest11176-21kworker/1:2+kec_query1
1505199366354,7cyclictest11176-21kworker/1:2+kec_query1
1505199364353,6cyclictest11176-21kworker/1:2+kec_query1
15050993611,352cyclictest7444-21hostname0
15050993581,350cyclictest28482-21awk0
1505199356344,7cyclictest11176-21kworker/1:2+kec_query1
15050993541,346cyclictest11481-21turbostat.cron0
15050993531,346cyclictest0-21swapper/00
1505199352341,6cyclictest11176-21kworker/1:2+kec_query1
1505099352343,5cyclictest0-21swapper/00
1505199351338,7cyclictest11176-21kworker/1:2+kec_query1
1505099351340,7cyclictest0-21swapper/00
1505199350338,7cyclictest11176-21kworker/1:2+kec_query1
1505099350341,5cyclictest0-21swapper/00
1505199349338,6cyclictest11176-21kworker/1:2+kec_query1
1505199348337,6cyclictest11176-21kworker/1:2+kec_query1
1505199346333,8cyclictest11176-21kworker/1:2+kec_query1
15050993462,338cyclictest0-21swapper/00
1505199345334,6cyclictest11176-21kworker/1:2+kec_query1
1505199345334,6cyclictest11176-21kworker/1:2+kec_query1
1505199345334,6cyclictest11176-21kworker/1:2+kec_query1
1505199345334,6cyclictest11176-21kworker/1:2+kec_query1
1505199345334,6cyclictest11176-21kworker/1:2+kec_query1
15050993451,336cyclictest18007-21ssh0
1505199344333,6cyclictest11176-21kworker/1:2+kec_query1
1505199344333,6cyclictest11176-21kworker/1:2+kec_query1
1505199344332,7cyclictest11176-21kworker/1:2+kec_query1
1505099344334,6cyclictest0-21swapper/00
1505099344333,6cyclictest24838-21apt-get0
1505099344333,6cyclictest12090-21kworker/0:0+kec_query0
1505199343332,6cyclictest11176-21kworker/1:2+kec_query1
1505199343332,6cyclictest11176-21kworker/1:2+kec_query1
1505199343332,6cyclictest11176-21kworker/1:2+kec_query1
1505199343332,6cyclictest11176-21kworker/1:2+kec_query1
1505199343329,7cyclictest11176-21kworker/1:2+kec_query1
15050993432,334cyclictest16223-21memory0
15050993431,336cyclictest0-21swapper/00
15050993431,336cyclictest0-21swapper/00
1505199342331,6cyclictest11176-21kworker/1:2+kec_query1
1505099342333,5cyclictest0-21swapper/00
1505099342329,7cyclictest15081-21seq0
1505199341330,6cyclictest11176-21kworker/1:2+kec_query1
1505199341330,6cyclictest11176-21kworker/1:2+kec_query1
1505199341330,6cyclictest11176-21kworker/1:2+kec_query1
1505199341329,7cyclictest11176-21kworker/1:2+kec_query1
15050993411,3cyclictest0-21swapper/00
1505199340329,6cyclictest11176-21kworker/1:2+kec_query1
1505199340329,6cyclictest11176-21kworker/1:2+kec_query1
1505099340323,12cyclictest21880-21vmstat0
1505099339330,5cyclictest0-21swapper/00
15050993391,3cyclictest0-21swapper/00
1505199338326,7cyclictest11176-21kworker/1:2+kec_query1
1505099338326,7cyclictest5579-21ssh0
1505099338326,7cyclictest21746-21runrttasks0
1505099338325,8cyclictest19608-21ls0
15050993381,331cyclictest0-21swapper/00
1505199337326,6cyclictest11176-21kworker/1:2+kec_query1
1505199337326,6cyclictest11176-21kworker/1:2+kec_query1
1505199337325,7cyclictest11176-21kworker/1:2+kec_query1
1505199337325,7cyclictest11176-21kworker/1:2+kec_query1
1505199337325,7cyclictest11176-21kworker/1:2+kec_query1
1505199337324,8cyclictest11176-21kworker/1:2+kec_query1
1505199337324,8cyclictest11176-21kworker/1:2+kec_query1
1505199337324,8cyclictest11176-21kworker/1:2+kec_query1
1505099337328,5cyclictest0-21swapper/00
1505099337328,5cyclictest0-21swapper/00
1505099337324,8cyclictest30848-21/usr/sbin/munin0
1505199336325,6cyclictest11176-21kworker/1:2+kec_query1
1505199336325,6cyclictest11176-21kworker/1:2+kec_query1
1505199336325,6cyclictest11176-21kworker/1:2+kec_query1
1505099336325,7cyclictest0-21swapper/00
1505099336325,6cyclictest3103-21rm0
1505099336324,7cyclictest11633-21taskset0
15050993362,6cyclictest12364-21df_inode0
1505199335323,6cyclictest11176-21kworker/1:2+kec_query1
1505199334323,6cyclictest11176-21kworker/1:2+kec_query1
1505199334322,7cyclictest11176-21kworker/1:2+kec_query1
1505099334325,5cyclictest0-21swapper/00
1505099334325,5cyclictest0-21swapper/00
1505199333322,6cyclictest11176-21kworker/1:2+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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