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2026-03-12 - 11:02
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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 Thu Mar 12, 2026 01:16:22)
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
2033099377366,6cyclictest9000-21kworker/1:2+kec_query1
2033099377366,6cyclictest29653-21kworker/1:0+kec_query1
2033099376364,7cyclictest9000-21kworker/1:2+kec_query1
20326993749,6cyclictest21081-21sh0
2033099368348,15cyclictest29653-21kworker/1:0+kec_query1
2033099366355,6cyclictest29653-21kworker/1:0+kec_query1
2033099365354,6cyclictest9000-21kworker/1:2+kec_query1
2033099362353,5cyclictest5250irq/9-acpi1
2033099361350,6cyclictest29653-21kworker/1:0+kec_query1
2033099361350,6cyclictest29653-21kworker/1:0+kec_query1
2033099361349,6cyclictest29653-21kworker/1:0+kec_query1
2033099361348,7cyclictest9000-21kworker/1:2+kec_query1
2033099360349,6cyclictest9000-21kworker/1:2+kec_query1
2033099359348,6cyclictest9000-21kworker/1:2+kec_query1
2033099359348,6cyclictest29653-21kworker/1:0+kec_query1
2033099359335,15cyclictest9000-21kworker/1:2+kec_query1
2033099358347,6cyclictest9000-21kworker/1:2+kec_query1
2033099358340,8cyclictest9000-21kworker/1:2+kec_query1
2033099356347,5cyclictest5250irq/9-acpi1
2033099356345,6cyclictest9000-21kworker/1:2+kec_query1
2033099355344,6cyclictest29653-21kworker/1:0+kec_query1
2033099355344,6cyclictest29653-21kworker/1:0+kec_query1
2033099355335,15cyclictest9000-21kworker/1:2+kec_query1
2033099354343,6cyclictest9000-21kworker/1:2+kec_query1
2033099354343,6cyclictest29653-21kworker/1:0+kec_query1
2033099353342,6cyclictest9000-21kworker/1:2+kec_query1
2033099353342,6cyclictest9000-21kworker/1:2+kec_query1
2033099353342,6cyclictest9000-21kworker/1:2+kec_query1
2033099353342,6cyclictest9000-21kworker/1:2+kec_query1
2033099353342,6cyclictest29653-21kworker/1:0+kec_query1
2033099353342,6cyclictest29653-21kworker/1:0+kec_query1
2033099352341,6cyclictest9000-21kworker/1:2+kec_query1
2033099352341,6cyclictest9000-21kworker/1:2+kec_query1
2033099351344,4cyclictest5250irq/9-acpi1
2033099351340,6cyclictest9000-21kworker/1:2+kec_query1
2033099351340,6cyclictest9000-21kworker/1:2+kec_query1
2033099351338,8cyclictest9000-21kworker/1:2+kec_query1
2033099350339,6cyclictest9000-21kworker/1:2+kec_query1
2033099350339,6cyclictest9000-21kworker/1:2+kec_query1
2033099350339,6cyclictest9000-21kworker/1:2+kec_query1
2033099350339,6cyclictest9000-21kworker/1:2+kec_query1
2033099350339,6cyclictest9000-21kworker/1:2+kec_query1
2033099350339,6cyclictest29653-21kworker/1:0+kec_query1
2033099350338,7cyclictest9000-21kworker/1:2+kec_query1
20326993501,342cyclictest2647-21ssh0
2033099349338,6cyclictest9000-21kworker/1:2+kec_query1
2033099349338,6cyclictest9000-21kworker/1:2+kec_query1
2033099349338,6cyclictest29653-21kworker/1:0+kec_query1
2033099349337,7cyclictest9000-21kworker/1:2+kec_query1
2032699349338,6cyclictest29718-21ssh0
20326993492,5cyclictest16682-21apt-get0
2033099348337,6cyclictest9000-21kworker/1:2+kec_query1
2033099348337,6cyclictest29653-21kworker/1:0+kec_query1
2032699348339,5cyclictest0-21swapper/00
2033099347336,6cyclictest9000-21kworker/1:2+kec_query1
2033099347336,6cyclictest29653-21kworker/1:0+kec_query1
2033099347335,6cyclictest9000-21kworker/1:2+kec_query1
20326993472,339cyclictest0-21swapper/00
20326993472,338cyclictest32477-21ps0
2032699346334,7cyclictest22135-21apt-get0
2033099345333,6cyclictest29653-21kworker/1:0+kec_query1
2033099345332,8cyclictest29653-21kworker/1:0+kec_query1
2032699345336,5cyclictest0-21swapper/00
2033099344333,7cyclictest9000-21kworker/1:2+kec_query1
2033099344333,6cyclictest9000-21kworker/1:2+kec_query1
2033099344333,6cyclictest29653-21kworker/1:0+kec_query1
2033099344333,6cyclictest29653-21kworker/1:0+kec_query1
2032699344333,6cyclictest5012-21runrttasks0
2033099343331,7cyclictest9000-21kworker/1:2+kec_query1
2033099343331,7cyclictest29653-21kworker/1:0+kec_query1
2032699343336,4cyclictest0-21swapper/00
2032699343335,5cyclictest0-21swapper/00
2032699343333,6cyclictest0-21swapper/00
2032699343332,6cyclictest7516-21kworker/0:1+kec_query0
20326993432,3cyclictest0-21swapper/00
2033099342331,6cyclictest9000-21kworker/1:2+kec_query1
2033099342330,7cyclictest29653-21kworker/1:0+kec_query1
2033099342326,7cyclictest9000-21kworker/1:2+kec_query1
2032699342333,5cyclictest0-21swapper/00
2033099341329,6cyclictest29653-21kworker/1:0+kec_query1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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