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2025-12-09 - 20:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack2slot7.osadl.org (updated Tue Dec 09, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93030899612,35cyclictest976247-21ntpq09:23:200
930308995124,7cyclictest0-21swapper/009:48:160
930308995124,7cyclictest0-21swapper/009:48:160
930308995025,3cyclictest0-21swapper/011:46:470
930308994926,5cyclictest1063224-21latency_hist11:11:130
93030899434,26cyclictest0-21swapper/010:03:460
93030899421,35cyclictest0-21swapper/010:26:210
930308994136,3cyclictest0-21swapper/007:53:110
93030899412,26cyclictest986537-21/usr/sbin/munin09:38:100
930308994121,2cyclictest1010816-21ntpq10:08:160
112699400,4rtkit-daemon1125-21rtkit-daemon11:13:150
93031099373,15cyclictest36-21ksoftirqd/211:41:142
930308993619,3cyclictest0-21swapper/011:38:110
93030999344,13cyclictest1007-21mta-sts-daemon10:26:141
930308993432,2cyclictest0-21swapper/009:53:140
93031099330,9cyclictest1082564-21ntpq11:33:182
93030999337,16cyclictest1088787-21date11:41:141
930309993318,5cyclictest993102-21sendmail-msp09:53:151
93030899335,7cyclictest171rcu_preempt08:53:160
93031099322,7cyclictest1096722-21awk11:51:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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