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2026-03-07 - 01:27
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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 3618 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 06, 2026 13:16:07)
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
1135299388377,6cyclictest27262-21kworker/1:0+kec_query1
1135199370353,12cyclictest26889-21ssh0
11351993702,3cyclictest0-21swapper/00
1135299365353,7cyclictest27262-21kworker/1:0+kec_query1
11351993621,6cyclictest11648-21ssh0
1135199359351,5cyclictest0-21swapper/00
1135199359345,7cyclictest22628-21memory0
1135199358347,7cyclictest0-21swapper/00
1135199357348,5cyclictest0-21swapper/00
11351993572,348cyclictest21896-21ntp_states0
11351993572,348cyclictest21896-21ntp_states0
1135299356345,6cyclictest12393-21kworker/1:1+kec_query1
1135299355344,6cyclictest27262-21kworker/1:0+kec_query1
1135299355344,6cyclictest12393-21kworker/1:1+kec_query1
1135299355344,6cyclictest12393-21kworker/1:1+kec_query1
1135199355346,5cyclictest0-21swapper/00
1135199354345,5cyclictest0-21swapper/00
1135199354343,7cyclictest0-21swapper/00
11351993541,3cyclictest0-21swapper/00
1135299353341,7cyclictest31570-21kworker/1:2+kec_query1
1135199353342,6cyclictest10853-21kworker/0:1+kec_query0
11351993521,344cyclictest16360-21ssh0
1135299351339,7cyclictest31570-21kworker/1:2+kec_query1
1135199351342,5cyclictest0-21swapper/00
1135299350339,6cyclictest31570-21kworker/1:2+kec_query1
1135299350339,6cyclictest31570-21kworker/1:2+kec_query1
1135299350339,6cyclictest31570-21kworker/1:2+kec_query1
1135299350339,6cyclictest27262-21kworker/1:0+kec_query1
1135299350329,16cyclictest27262-21kworker/1:0+kec_query1
1135199350339,7cyclictest0-21swapper/00
1135299349338,6cyclictest31570-21kworker/1:2+kec_query1
1135299349338,6cyclictest27262-21kworker/1:0+kec_query1
1135299349338,6cyclictest27262-21kworker/1:0+kec_query1
1135299349337,7cyclictest12393-21kworker/1:1+kec_query1
1135199349338,6cyclictest4591-21kworker/0:2+kec_query0
1135199349338,6cyclictest4591-21kworker/0:2+kec_query0
1135299348337,6cyclictest12393-21kworker/1:1+kec_query1
1135299348336,7cyclictest27262-21kworker/1:0+kec_query1
1135199347338,5cyclictest0-21swapper/00
11351993471,340cyclictest0-21swapper/00
1135199346337,5cyclictest0-21swapper/00
1135299345334,6cyclictest31570-21kworker/1:2+kec_query1
1135299345334,6cyclictest27262-21kworker/1:0+kec_query1
1135299345333,7cyclictest27262-21kworker/1:0+kec_query1
1135199345336,5cyclictest0-21swapper/00
1135199345333,7cyclictest7289-21/usr/sbin/munin0
11351993452,3cyclictest0-21swapper/00
11351993452,335cyclictest22150-21df_inode0
11351993452,335cyclictest22150-21df_inode0
1135299344333,6cyclictest27262-21kworker/1:0+kec_query1
1135299344333,6cyclictest27262-21kworker/1:0+kec_query1
1135299344333,6cyclictest12393-21kworker/1:1+kec_query1
1135299344332,7cyclictest12393-21kworker/1:1+kec_query1
1135299344332,7cyclictest12393-21kworker/1:1+kec_query1
11351993441,337cyclictest0-21swapper/00
11351993441,336cyclictest15096-21cut0
1135299343331,7cyclictest27262-21kworker/1:0+kec_query1
1135299343331,7cyclictest27262-21kworker/1:0+kec_query1
1135199343334,5cyclictest0-21swapper/00
1135299342331,6cyclictest27262-21kworker/1:0+kec_query1
1135199342332,6cyclictest0-21swapper/00
11351993422,3cyclictest0-21swapper/00
11351993421,335cyclictest0-21swapper/00
11351993421,335cyclictest0-21swapper/00
1135299341330,6cyclictest12393-21kworker/1:1+kec_query1
1135199341332,5cyclictest0-21swapper/00
1135199341331,6cyclictest32180-21apt-get0
11351993411,3cyclictest0-21swapper/00
11351993411,3cyclictest0-21swapper/00
1135299340329,6cyclictest31570-21kworker/1:2+kec_query1
1135199340331,5cyclictest0-21swapper/00
1135199340329,7cyclictest0-21swapper/00
1135199340325,8cyclictest10295-21runrttasks0
11351993401,333cyclictest0-21swapper/00
1135299339328,6cyclictest27262-21kworker/1:0+kec_query1
1135299339328,6cyclictest27262-21kworker/1:0+kec_query1
1135299339328,6cyclictest27262-21kworker/1:0+kec_query1
1135199339330,5cyclictest0-21swapper/00
1135199339328,7cyclictest0-21swapper/00
11351993391,331cyclictest30562-21ssh0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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