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2026-03-11 - 16:10
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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 3616 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 11, 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
12774993812,371cyclictest29315-21hddtemp_smartct0
1277899378367,6cyclictest13596-21kworker/1:1+kec_query1
12774993781,13cyclictest21368-21taskset0
12774993701,3cyclictest0-21swapper/00
1277899365353,7cyclictest13596-21kworker/1:1+kec_query1
1277899361349,7cyclictest13596-21kworker/1:1+kec_query1
1277899360349,6cyclictest13596-21kworker/1:1+kec_query1
1277499358346,7cyclictest14593-21hddtemp_smartct0
1277499357346,6cyclictest31360-21ssh0
1277499357345,6cyclictest17479-21kworker/0:0+kec_query0
1277899354343,6cyclictest13596-21kworker/1:1+kec_query1
1277899354328,17cyclictest2001-21kworker/1:0+kec_query1
1277899353342,6cyclictest13596-21kworker/1:1+kec_query1
1277899353342,6cyclictest13596-21kworker/1:1+kec_query1
1277899353341,7cyclictest12969-21kworker/1:2+kec_query1
1277899353341,6cyclictest12969-21kworker/1:2+kec_query1
1277499353343,6cyclictest0-21swapper/00
1277899352340,7cyclictest2001-21kworker/1:0+kec_query1
1277899351338,8cyclictest13596-21kworker/1:1+kec_query1
12774993512,5cyclictest6940-21cstates0
1277899350339,6cyclictest13596-21kworker/1:1+kec_query1
1277499350338,7cyclictest233222sleep00
1277499350337,8cyclictest0-21swapper/00
1277899349338,6cyclictest2001-21kworker/1:0+kec_query1
1277899349338,6cyclictest2001-21kworker/1:0+kec_query1
1277899348337,6cyclictest13596-21kworker/1:1+kec_query1
1277899348337,6cyclictest13596-21kworker/1:1+kec_query1
12774993481,3cyclictest0-21swapper/00
1277899347338,5cyclictest5250irq/9-acpi1
1277899347336,6cyclictest2001-21kworker/1:0+kec_query1
12774993472,6cyclictest30451-21perf0
12774993472,338cyclictest2565-21ssh0
12774993471,340cyclictest0-21swapper/00
1277899346335,6cyclictest2001-21kworker/1:0+kec_query1
1277899346335,6cyclictest13596-21kworker/1:1+kec_query1
1277499346335,7cyclictest0-21swapper/00
1277499346334,7cyclictest21035-21ps0
12774993462,6cyclictest11749-21ssh0
12774993462,337cyclictest6382-21sh0
12774993461,3cyclictest0-21swapper/00
12774993461,339cyclictest0-21swapper/00
1277899345334,6cyclictest2001-21kworker/1:0+kec_query1
1277899345334,6cyclictest13596-21kworker/1:1+kec_query1
1277899345334,6cyclictest13596-21kworker/1:1+kec_query1
1277899345334,6cyclictest12969-21kworker/1:2+kec_query1
1277899345333,7cyclictest13596-21kworker/1:1+kec_query1
12774993452,337cyclictest0-21swapper/00
12774993451,7cyclictest8468-21uptime0
1277899344333,6cyclictest13596-21kworker/1:1+kec_query1
1277899344328,7cyclictest2001-21kworker/1:0+kec_query1
1277899344321,9cyclictest13596-21kworker/1:1+kec_query1
1277499344335,5cyclictest0-21swapper/00
1277499344332,7cyclictest17479-21kworker/0:0+kec_query0
1277899343332,6cyclictest2001-21kworker/1:0+kec_query1
1277899343332,6cyclictest2001-21kworker/1:0+kec_query1
1277899343332,6cyclictest12969-21kworker/1:2+kec_query1
1277499343334,5cyclictest0-21swapper/00
1277499343332,6cyclictest29478-21/usr/sbin/munin0
1277499343331,7cyclictest17479-21kworker/0:0+kec_query0
12774993431,336cyclictest0-21swapper/00
1277899342331,6cyclictest12969-21kworker/1:2+kec_query1
12774993425,331cyclictest0-21swapper/00
1277499342332,6cyclictest0-21swapper/00
12774993422,3cyclictest0-21swapper/00
1277899341328,7cyclictest13596-21kworker/1:1+kec_query1
1277499341332,5cyclictest0-21swapper/00
1277499341332,5cyclictest0-21swapper/00
1277499341332,5cyclictest0-21swapper/00
12774993412,3cyclictest0-21swapper/00
1277899340328,7cyclictest13596-21kworker/1:1+kec_query1
1277499340331,5cyclictest0-21swapper/00
1277499340331,5cyclictest0-21swapper/00
1277899339328,6cyclictest13596-21kworker/1:1+kec_query1
1277899339327,7cyclictest2001-21kworker/1:0+kec_query1
1277499339330,5cyclictest78852sleep00
1277499339330,5cyclictest0-21swapper/00
1277499339330,5cyclictest0-21swapper/00
1277499339330,5cyclictest0-21swapper/00
1277499339330,5cyclictest0-21swapper/00
1277499338326,7cyclictest21079-21ssh0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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