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2026-03-30 - 14:39
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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 3618 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 Mar 30, 2026 13:16:19)
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
10442993861,3cyclictest0-21swapper/00
1044399377366,6cyclictest2906-21kworker/1:0+kec_query1
10442993711,364cyclictest0-21swapper/00
1044299367356,6cyclictest2253-21kworker/0:2+kec_query0
1044399364353,6cyclictest25960-21kworker/1:1+kec_query1
1044399364353,6cyclictest25960-21kworker/1:1+kec_query1
10442993641,3cyclictest0-21swapper/00
10442993601,3cyclictest0-21swapper/00
1044399359348,5cyclictest25960-21kworker/1:1+kec_query1
1044399358347,6cyclictest25960-21kworker/1:1+kec_query1
1044399357346,6cyclictest25960-21kworker/1:1+kec_query1
10442993552,3cyclictest0-21swapper/00
1044399353342,6cyclictest2906-21kworker/1:0+kec_query1
1044399353342,6cyclictest25960-21kworker/1:1+kec_query1
1044399353341,7cyclictest14185-21kworker/1:2+kec_query1
10442993531,3cyclictest0-21swapper/00
10442993531,344cyclictest6181-21rm0
1044399352341,6cyclictest25960-21kworker/1:1+kec_query1
1044399352341,6cyclictest14185-21kworker/1:2+kec_query1
10442993522,343cyclictest7173-21ssh0
1044399351340,6cyclictest23867-21kworker/1:1+kec_query1
1044399351340,6cyclictest23867-21kworker/1:1+kec_query1
10442993512,342cyclictest9726-21sed0
10442993511,3cyclictest0-21swapper/00
1044399350339,6cyclictest25960-21kworker/1:1+kec_query1
1044399350338,7cyclictest25960-21kworker/1:1+kec_query1
1044399350338,6cyclictest28142-21kworker/1:0+kec_query1
1044299350339,6cyclictest2253-21kworker/0:2+kec_query0
1044299350338,7cyclictest2253-21kworker/0:2+kec_query0
10442993502,342cyclictest0-21swapper/00
10442993501,3cyclictest0-21swapper/00
1044399349337,7cyclictest28142-21kworker/1:0+kec_query1
10442993491,7cyclictest22048-21awk0
10443993489,4cyclictest5250irq/9-acpi1
1044399348337,6cyclictest28142-21kworker/1:0+kec_query1
1044399348337,6cyclictest25960-21kworker/1:1+kec_query1
1044399348337,6cyclictest25960-21kworker/1:1+kec_query1
1044299348337,6cyclictest2253-21kworker/0:2+kec_query0
10442993481,340cyclictest9422-21ssh0
1044399347336,6cyclictest25960-21kworker/1:1+kec_query1
1044399347336,6cyclictest23867-21kworker/1:1+kec_query1
1044399347335,7cyclictest14185-21kworker/1:2+kec_query1
1044299347336,6cyclictest2253-21kworker/0:2+kec_query0
1044399346338,4cyclictest0-21swapper/11
1044399346336,5cyclictest25960-21kworker/1:1+kec_query1
1044399346335,6cyclictest11141-21kworker/1:2+kec_query1
1044399346334,7cyclictest25960-21kworker/1:1+kec_query1
1044399346334,7cyclictest25960-21kworker/1:1+kec_query1
1044299346334,7cyclictest2253-21kworker/0:2+kec_query0
10442993462,5cyclictest19630-21smartctl0
10442993461,339cyclictest0-21swapper/00
10442993461,339cyclictest0-21swapper/00
1044399345334,6cyclictest25960-21kworker/1:1+kec_query1
1044399345334,6cyclictest25960-21kworker/1:1+kec_query1
1044399345333,6cyclictest14185-21kworker/1:2+kec_query1
1044399345333,6cyclictest14185-21kworker/1:2+kec_query1
1044299345336,5cyclictest0-21swapper/00
1044299345333,6cyclictest21842-21ssh0
1044399344333,6cyclictest14185-21kworker/1:2+kec_query1
1044299344333,6cyclictest2253-21kworker/0:2+kec_query0
10442993432,335cyclictest0-21swapper/00
10442993432,335cyclictest0-21swapper/00
10442993431,336cyclictest0-21swapper/00
1044299342331,6cyclictest2253-21kworker/0:2+kec_query0
1044299342330,7cyclictest2253-21kworker/0:2+kec_query0
10442993421,335cyclictest0-21swapper/00
10442993421,335cyclictest0-21swapper/00
1044399341329,6cyclictest25960-21kworker/1:1+kec_query1
10442993413,7cyclictest22277-21users0
1044299341330,6cyclictest2253-21kworker/0:2+kec_query0
10442993412,333cyclictest0-21swapper/00
10442993411,334cyclictest0-21swapper/00
10442993402,3cyclictest0-21swapper/00
10442993402,3cyclictest0-21swapper/00
1044399339329,5cyclictest25960-21kworker/1:1+kec_query1
1044399339328,6cyclictest25960-21kworker/1:1+kec_query1
1044399339328,6cyclictest14185-21kworker/1:2+kec_query1
1044399339327,7cyclictest25960-21kworker/1:1+kec_query1
1044399339327,7cyclictest25960-21kworker/1:1+kec_query1
1044399339327,7cyclictest14185-21kworker/1:2+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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