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2026-04-12 - 18:58
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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 Sun Apr 12, 2026 13:16:14)
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
2516299369358,6cyclictest6847-21kworker/1:0+kec_query1
25160993691,3cyclictest0-21swapper/00
25160993662,13cyclictest32054-21perl0
251629936532,328cyclictest5250irq/9-acpi1
25160993602,352cyclictest0-21swapper/00
2516099357345,7cyclictest19875-21kworker/0:1+kec_query0
2516299356345,6cyclictest11490-21kworker/1:1+kec_query1
2516299356345,6cyclictest11490-21kworker/1:1+kec_query1
2516099356343,8cyclictest6716-21sshd0
25160993562,346cyclictest13950-21diskstats0
2516099355343,7cyclictest19875-21kworker/0:1+kec_query0
2516299354342,7cyclictest6847-21kworker/1:0+kec_query1
25160993542,346cyclictest0-21swapper/00
25160993542,346cyclictest0-21swapper/00
2516299351344,4cyclictest5250irq/9-acpi1
2516099351319,6cyclictest19875-21kworker/0:1+kec_query0
2516299350343,4cyclictest5250irq/9-acpi1
2516299350339,6cyclictest6847-21kworker/1:0+kec_query1
2516299350339,6cyclictest6847-21kworker/1:0+kec_query1
25160993502,341cyclictest25810-21apt-get0
2516299349338,6cyclictest9360-21kworker/1:2+kec_query1
25160993492,340cyclictest12334-21apt-get0
2516299348337,6cyclictest12073-21kworker/1:1+kec_query1
2516299348336,7cyclictest6847-21kworker/1:0+kec_query1
2516299347336,6cyclictest9360-21kworker/1:2+kec_query1
2516299347336,6cyclictest9360-21kworker/1:2+kec_query1
2516299347336,6cyclictest11490-21kworker/1:1+kec_query1
2516099347336,6cyclictest19875-21kworker/0:1+kec_query0
2516299346334,7cyclictest12073-21kworker/1:1+kec_query1
2516299346333,8cyclictest6847-21kworker/1:0+kec_query1
2516099346335,6cyclictest26534-21kworker/0:2+kec_query0
2516299344333,6cyclictest9360-21kworker/1:2+kec_query1
2516299344333,6cyclictest6847-21kworker/1:0+kec_query1
25160993442,5cyclictest22170-21apt-get0
25160993441,3cyclictest0-21swapper/00
25160993431,3cyclictest0-21swapper/00
2516299342333,5cyclictest0-21swapper/11
2516299342331,6cyclictest11490-21kworker/1:1+kec_query1
25160993421,3cyclictest0-21swapper/00
25160993421,3cyclictest0-21swapper/00
2516299341330,6cyclictest6847-21kworker/1:0+kec_query1
2516299341330,6cyclictest6847-21kworker/1:0+kec_query1
2516299341330,6cyclictest6847-21kworker/1:0+kec_query1
2516299341330,6cyclictest12073-21kworker/1:1+kec_query1
25160993412,7cyclictest10244-21apt-get0
25160993411,3cyclictest0-21swapper/00
2516299340330,5cyclictest11490-21kworker/1:1+kec_query1
2516299340329,6cyclictest9360-21kworker/1:2+kec_query1
2516299340329,6cyclictest9360-21kworker/1:2+kec_query1
2516099340333,4cyclictest0-21swapper/00
2516099340329,6cyclictest18379-21ssh0
25160993401,333cyclictest0-21swapper/00
2516299339328,6cyclictest9360-21kworker/1:2+kec_query1
2516299339328,6cyclictest11490-21kworker/1:1+kec_query1
2516299338328,5cyclictest11490-21kworker/1:1+kec_query1
2516299338327,6cyclictest6847-21kworker/1:0+kec_query1
2516299338327,6cyclictest6847-21kworker/1:0+kec_query1
2516299338327,6cyclictest6847-21kworker/1:0+kec_query1
25160993382,330cyclictest0-21swapper/00
25160993381,331cyclictest0-21swapper/00
25160993371,3cyclictest0-21swapper/00
25160993371,3cyclictest0-21swapper/00
2516299336322,9cyclictest11490-21kworker/1:1+kec_query1
2516099336326,5cyclictest4719-21ssh0
25160993362,6cyclictest17377-21df0
25160993362,5cyclictest3892-21apt-get0
25160993362,329cyclictest0-21swapper/00
25160993361,329cyclictest0-21swapper/00
25160993361,329cyclictest0-21swapper/00
2516299335323,7cyclictest6847-21kworker/1:0+kec_query1
2516299335323,6cyclictest11490-21kworker/1:1+kec_query1
2516099335324,6cyclictest19875-21kworker/0:1+kec_query0
25160993352,327cyclictest0-21swapper/00
2516299334323,6cyclictest9360-21kworker/1:2+kec_query1
2516299334323,6cyclictest9360-21kworker/1:2+kec_query1
2516299334323,6cyclictest6847-21kworker/1:0+kec_query1
2516099334325,5cyclictest0-21swapper/00
2516099334325,5cyclictest0-21swapper/00
2516299333323,5cyclictest12073-21kworker/1:1+kec_query1
2516299333321,6cyclictest12073-21kworker/1:1+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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