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2026-09-22 - 23:11
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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 Tue Sep 22, 2026 13:16:31)
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
1945799375362,7cyclictest437-21kworker/1:2+kec_query1
1945799372361,6cyclictest437-21kworker/1:2+kec_query1
1945799369358,6cyclictest437-21kworker/1:2+kec_query1
1945599366359,4cyclictest0-21swapper/00
1945799364353,6cyclictest437-21kworker/1:2+kec_query1
1945799364353,6cyclictest437-21kworker/1:2+kec_query1
1945799360349,6cyclictest437-21kworker/1:2+kec_query1
1945799357346,6cyclictest437-21kworker/1:2+kec_query1
1945799357346,6cyclictest437-21kworker/1:2+kec_query1
1945799356345,6cyclictest437-21kworker/1:2+kec_query1
1945799356344,7cyclictest437-21kworker/1:2+kec_query1
1945599356345,6cyclictest18537-21kworker/0:0+kec_query0
1945799355342,7cyclictest437-21kworker/1:2+kec_query1
19455993531,345cyclictest2269-21if_err_enp1s00
1945799352341,6cyclictest437-21kworker/1:2+kec_query1
1945799352340,6cyclictest437-21kworker/1:2+kec_query1
1945799352340,6cyclictest437-21kworker/1:2+kec_query1
1945799352340,6cyclictest437-21kworker/1:2+kec_query1
1945799352339,6cyclictest437-21kworker/1:2+kec_query1
1945599350339,6cyclictest1266-21kworker/0:1+kec_query0
1945799349338,6cyclictest437-21kworker/1:2+kec_query1
1945799349338,6cyclictest437-21kworker/1:2+kec_query1
19455993492,339cyclictest14167-21ssh0
19455993491,10cyclictest14225-21perl0
1945799347336,6cyclictest437-21kworker/1:2+kec_query1
1945799347336,6cyclictest437-21kworker/1:2+kec_query1
1945799347336,6cyclictest437-21kworker/1:2+kec_query1
1945799347336,6cyclictest437-21kworker/1:2+kec_query1
1945799347335,6cyclictest437-21kworker/1:2+kec_query1
1945799347335,6cyclictest437-21kworker/1:2+kec_query1
1945599347340,4cyclictest0-21swapper/00
1945599347336,6cyclictest18537-21kworker/0:0+kec_query0
1945799346335,6cyclictest437-21kworker/1:2+kec_query1
1945799346335,6cyclictest437-21kworker/1:2+kec_query1
1945799346330,7cyclictest437-21kworker/1:2+kec_query1
1945799346330,7cyclictest437-21kworker/1:2+kec_query1
1945799345334,6cyclictest437-21kworker/1:2+kec_query1
1945799345334,6cyclictest437-21kworker/1:2+kec_query1
1945799345334,6cyclictest437-21kworker/1:2+kec_query1
1945799345334,6cyclictest437-21kworker/1:2+kec_query1
1945799345332,7cyclictest437-21kworker/1:2+kec_query1
1945799345321,15cyclictest437-21kworker/1:2+kec_query1
1945799344335,5cyclictest437-21kworker/1:2+kec_query1
1945799344332,7cyclictest437-21kworker/1:2+kec_query1
19455993442,6cyclictest9788-21memory0
1945799343332,6cyclictest437-21kworker/1:2+kec_query1
1945799343332,6cyclictest437-21kworker/1:2+kec_query1
1945799343332,6cyclictest437-21kworker/1:2+kec_query1
1945799343332,6cyclictest437-21kworker/1:2+kec_query1
1945799343331,7cyclictest437-21kworker/1:2+kec_query1
1945799343331,6cyclictest437-21kworker/1:2+kec_query1
1945599343333,6cyclictest18822-21kworker/0:0+kec_query0
19455993431,5cyclictest28149-21ls0
1945599342333,5cyclictest0-21swapper/00
1945599342330,6cyclictest16031-21apt0
1945799341330,6cyclictest437-21kworker/1:2+kec_query1
1945799341330,6cyclictest437-21kworker/1:2+kec_query1
19455993403,7cyclictest16753-21irqstats0
1945799339329,6cyclictest437-21kworker/1:2+kec_query1
1945599339328,6cyclictest1266-21kworker/0:1+kec_query0
1945599339328,6cyclictest1266-21kworker/0:1+kec_query0
1945799338326,7cyclictest437-21kworker/1:2+kec_query1
1945799338326,6cyclictest437-21kworker/1:2+kec_query1
1945599338329,5cyclictest0-21swapper/00
19455993381,6cyclictest13213-21tr0
1945799337326,6cyclictest437-21kworker/1:2+kec_query1
1945799337326,6cyclictest437-21kworker/1:2+kec_query1
1945799337325,6cyclictest437-21kworker/1:2+kec_query1
1945799337325,6cyclictest437-21kworker/1:2+kec_query1
1945799335324,6cyclictest437-21kworker/1:2+kec_query1
1945599335326,5cyclictest0-21swapper/00
19455993341,3cyclictest0-21swapper/00
19455993312,3cyclictest0-21swapper/00
19455993311,3cyclictest0-21swapper/00
1945799330318,7cyclictest437-21kworker/1:2+kec_query1
1945799329318,6cyclictest437-21kworker/1:2+kec_query1
1945799328317,6cyclictest437-21kworker/1:2+kec_query1
1945799328312,7cyclictest437-21kworker/1:2+kec_query1
1945799327319,4cyclictest5250irq/9-acpi1
1945599327313,9cyclictest7755-21chrt0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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