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2025-12-08 - 20:58
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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 Mon Dec 08, 2025 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
306846399655,37cyclictest0-21swapper/010:46:390
306846399503,4cyclictest3268945-21ssh12:35:560
3068463994935,1cyclictest0-21swapper/010:38:130
3068463994710,9cyclictest3208764-21ntpq11:23:130
306846399422,25cyclictest0-21swapper/011:53:060
306846399422,25cyclictest0-21swapper/011:53:060
306846399421,30cyclictest3261620-21tune2fs12:28:080
306846399421,30cyclictest3261620-21tune2fs12:28:080
3068463994122,4cyclictest0-21swapper/012:14:260
306846399403,30cyclictest0-21swapper/011:58:150
3068463994022,15cyclictest3195425-21sendmail-msp11:13:030
3068463994017,3cyclictest3162857-21sendmail-msp10:35:580
306846399386,30cyclictest0-21swapper/011:08:130
3068463993830,6cyclictest0-21swapper/009:25:030
306846399365,25cyclictest3184403-21ssh10:52:180
306846399341,20cyclictest0-21swapper/012:38:130
306846399334,25cyclictest0-21swapper/010:29:310
3068463993317,2cyclictest0-21swapper/009:52:050
112699320,3rtkit-daemon1125-21rtkit-daemon09:31:072
306846699317,19cyclictest1006-21mta-sts-daemon09:11:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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