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2026-09-07 - 17:36
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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 Mon Sep 07, 2026 13:13:30)
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
30297993841,376cyclictest25623-21sh0
3029899369358,6cyclictest6731-21kworker/1:2+kec_query1
3029899367356,6cyclictest6731-21kworker/1:2+kec_query1
3029899364353,6cyclictest6731-21kworker/1:2+kec_query1
3029899363353,6cyclictest6731-21kworker/1:2+kec_query1
3029899363352,6cyclictest21555-21kworker/1:0+kec_query1
3029899363352,6cyclictest21182-21kworker/1:1+kec_query1
3029899363352,6cyclictest18358-21kworker/1:2+kec_query1
3029899362342,15cyclictest21555-21kworker/1:0+kec_query1
3029899358347,6cyclictest21182-21kworker/1:1+kec_query1
3029899358347,6cyclictest21182-21kworker/1:1+kec_query1
3029899358346,7cyclictest21555-21kworker/1:0+kec_query1
3029899357346,6cyclictest6731-21kworker/1:2+kec_query1
3029899357346,6cyclictest6731-21kworker/1:2+kec_query1
3029899357346,6cyclictest21555-21kworker/1:0+kec_query1
3029899357346,6cyclictest21555-21kworker/1:0+kec_query1
3029899356346,6cyclictest21555-21kworker/1:0+kec_query1
3029899356346,6cyclictest21555-21kworker/1:0+kec_query1
3029899355344,6cyclictest21182-21kworker/1:1+kec_query1
30297993552,345cyclictest3783-21ssh0
3029899354344,6cyclictest21555-21kworker/1:0+kec_query1
3029899354344,6cyclictest21182-21kworker/1:1+kec_query1
3029899353342,6cyclictest21555-21kworker/1:0+kec_query1
3029899353342,6cyclictest21182-21kworker/1:1+kec_query1
3029899353322,26cyclictest6731-21kworker/1:2+kec_query1
3029899352341,6cyclictest6731-21kworker/1:2+kec_query1
3029899352341,6cyclictest21182-21kworker/1:1+kec_query1
30297993511,343cyclictest26256-21/usr/sbin/munin0
3029899350339,6cyclictest6731-21kworker/1:2+kec_query1
3029899350339,6cyclictest21555-21kworker/1:0+kec_query1
3029899350339,6cyclictest21555-21kworker/1:0+kec_query1
3029899349342,4cyclictest5250irq/9-acpi1
3029899349341,4cyclictest5250irq/9-acpi1
3029899349338,6cyclictest6731-21kworker/1:2+kec_query1
3029899349337,7cyclictest21555-21kworker/1:0+kec_query1
3029799349336,8cyclictest29852-21ntp_states0
3029899348341,4cyclictest5250irq/9-acpi1
3029899348337,6cyclictest18358-21kworker/1:2+kec_query1
3029899347336,6cyclictest6731-21kworker/1:2+kec_query1
3029899347336,6cyclictest6731-21kworker/1:2+kec_query1
3029899347336,6cyclictest21555-21kworker/1:0+kec_query1
3029899347336,6cyclictest21555-21kworker/1:0+kec_query1
3029899347336,6cyclictest21182-21kworker/1:1+kec_query1
30297993471,338cyclictest8931-21sh0
3029899346335,6cyclictest21555-21kworker/1:0+kec_query1
3029899346334,7cyclictest6731-21kworker/1:2+kec_query1
3029899346334,7cyclictest21555-21kworker/1:0+kec_query1
3029899346334,7cyclictest18358-21kworker/1:2+kec_query1
3029899346334,7cyclictest18358-21kworker/1:2+kec_query1
3029899346331,6cyclictest21182-21kworker/1:1+kec_query1
3029899345338,4cyclictest5250irq/9-acpi1
3029899345338,4cyclictest5250irq/9-acpi1
3029899345334,6cyclictest6731-21kworker/1:2+kec_query1
3029899345334,6cyclictest21555-21kworker/1:0+kec_query1
3029899345333,7cyclictest6731-21kworker/1:2+kec_query1
3029899345333,7cyclictest1942-21kworker/1:0+kec_query1
3029899344332,7cyclictest6731-21kworker/1:2+kec_query1
3029799344335,5cyclictest0-21swapper/00
3029899343331,7cyclictest6731-21kworker/1:2+kec_query1
3029799343331,7cyclictest18005-21netstat0
3029799343330,7cyclictest31629-21ssh0
3029899342331,7cyclictest18358-21kworker/1:2+kec_query1
3029899342327,7cyclictest18358-21kworker/1:2+kec_query1
3029899341330,6cyclictest18358-21kworker/1:2+kec_query1
3029899341326,6cyclictest21555-21kworker/1:0+kec_query1
3029799341329,6cyclictest722-21ssh0
3029799341329,6cyclictest722-21ssh0
3029899340329,6cyclictest1942-21kworker/1:0+kec_query1
3029899339328,6cyclictest6731-21kworker/1:2+kec_query1
30297993391,331cyclictest15576-21ssh0
3029899338328,6cyclictest6731-21kworker/1:2+kec_query1
3029899338327,6cyclictest18358-21kworker/1:2+kec_query1
3029799338329,5cyclictest0-21swapper/00
3029899337326,6cyclictest6731-21kworker/1:2+kec_query1
3029899337326,6cyclictest18358-21kworker/1:2+kec_query1
3029899337326,6cyclictest18358-21kworker/1:2+kec_query1
3029799337328,5cyclictest0-21swapper/00
3029799337325,7cyclictest15205-21ssh0
3029799337319,12cyclictest24195-21ssh0
30297993371,329cyclictest1334-21which0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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