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2026-03-13 - 21:19
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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 Fri Mar 13, 2026 13:16:13)
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
439999381370,6cyclictest30507-21kworker/1:2+kec_query1
439799372363,5cyclictest0-21swapper/00
439999370359,6cyclictest30507-21kworker/1:2+kec_query1
439999369358,6cyclictest16774-21kworker/1:1+kec_query1
439799367355,7cyclictest2030-21seq0
439799365353,7cyclictest5342-21apt-get0
439999360347,6cyclictest30507-21kworker/1:2+kec_query1
439999354341,7cyclictest16774-21kworker/1:1+kec_query1
439999353341,7cyclictest2763-21kworker/1:2+kec_query1
439999353341,6cyclictest2763-21kworker/1:2+kec_query1
439999351340,6cyclictest16774-21kworker/1:1+kec_query1
439999351339,7cyclictest16774-21kworker/1:1+kec_query1
439999351338,7cyclictest30507-21kworker/1:2+kec_query1
439799351341,6cyclictest0-21swapper/00
439799349329,16cyclictest0-21swapper/00
439999348337,6cyclictest16774-21kworker/1:1+kec_query1
439999348336,7cyclictest30507-21kworker/1:2+kec_query1
439999347336,6cyclictest16774-21kworker/1:1+kec_query1
439999347336,6cyclictest12707-21kworker/1:0+kec_query1
439999347334,7cyclictest16774-21kworker/1:1+kec_query1
439999346335,6cyclictest16774-21kworker/1:1+kec_query1
439999346335,6cyclictest16774-21kworker/1:1+kec_query1
439999346334,7cyclictest30507-21kworker/1:2+kec_query1
439999346334,7cyclictest18058-21kworker/1:0+kec_query1
439999346334,6cyclictest30507-21kworker/1:2+kec_query1
439999346334,6cyclictest16774-21kworker/1:1+kec_query1
439999345334,6cyclictest2763-21kworker/1:2+kec_query1
439999345334,6cyclictest12707-21kworker/1:0+kec_query1
439999345333,7cyclictest18058-21kworker/1:0+kec_query1
439999345333,7cyclictest16774-21kworker/1:1+kec_query1
439999345333,6cyclictest30507-21kworker/1:2+kec_query1
439999345332,7cyclictest12707-21kworker/1:0+kec_query1
439799345336,5cyclictest0-21swapper/00
439799345325,14cyclictest10388-21/usr/sbin/munin0
439999344332,6cyclictest18058-21kworker/1:0+kec_query1
439999344331,8cyclictest16774-21kworker/1:1+kec_query1
439999344331,6cyclictest18058-21kworker/1:0+kec_query1
439999344331,6cyclictest16774-21kworker/1:1+kec_query1
439799344335,5cyclictest0-21swapper/00
439799344335,5cyclictest0-21swapper/00
439799344334,6cyclictest0-21swapper/00
439999343332,6cyclictest18058-21kworker/1:0+kec_query1
439999343332,6cyclictest18058-21kworker/1:0+kec_query1
439999343332,6cyclictest16774-21kworker/1:1+kec_query1
439999343332,6cyclictest16774-21kworker/1:1+kec_query1
439999343331,7cyclictest16774-21kworker/1:1+kec_query1
439999343331,7cyclictest12707-21kworker/1:0+kec_query1
439999343330,7cyclictest12707-21kworker/1:0+kec_query1
439799343334,5cyclictest0-21swapper/00
439799343329,8cyclictest2195-21ntp_states0
439999342331,6cyclictest16774-21kworker/1:1+kec_query1
439999342330,7cyclictest31784-21kworker/1:1+kec_query1
439999342329,8cyclictest18058-21kworker/1:0+kec_query1
439799342323,15cyclictest0-21swapper/00
439999341330,6cyclictest2763-21kworker/1:2+kec_query1
439999341329,6cyclictest30507-21kworker/1:2+kec_query1
439799341332,5cyclictest0-21swapper/00
439799341332,5cyclictest0-21swapper/00
439799341329,8cyclictest17988-21sh0
439999340326,9cyclictest16774-21kworker/1:1+kec_query1
439799340331,5cyclictest0-21swapper/00
439799340331,5cyclictest0-21swapper/00
439999339329,5cyclictest18058-21kworker/1:0+kec_query1
439999339328,6cyclictest2763-21kworker/1:2+kec_query1
439999338327,6cyclictest12707-21kworker/1:0+kec_query1
439999338323,10cyclictest16774-21kworker/1:1+kec_query1
439799338329,5cyclictest0-21swapper/00
439799338329,5cyclictest0-21swapper/00
439799338329,5cyclictest0-21swapper/00
439799338329,5cyclictest0-21swapper/00
439799338329,5cyclictest0-21swapper/00
439999337327,6cyclictest12707-21kworker/1:0+kec_query1
439999337327,5cyclictest16774-21kworker/1:1+kec_query1
439999337326,6cyclictest18058-21kworker/1:0+kec_query1
439999337324,8cyclictest16774-21kworker/1:1+kec_query1
439799337328,5cyclictest0-21swapper/00
439799337328,5cyclictest0-21swapper/00
439799337328,5cyclictest0-21swapper/00
439799337328,5cyclictest0-21swapper/00
439799337323,9cyclictest20907-21missed_timers0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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