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2024-11-22 - 17:11
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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 Fri Nov 22, 2024 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3255106996140,7cyclictest3409687-21/usr/sbin/munin11:24:350
3255106995036,3cyclictest0-21swapper/010:04:360
325510699492,36cyclictest0-21swapper/010:29:460
325510699492,36cyclictest0-21swapper/010:29:460
3255106993916,3cyclictest3349505-21ssh10:19:400
3255106993916,3cyclictest3349505-21ssh10:19:400
3255108993810,20cyclictest1005-21mta-sts-daemon11:11:062
325510699371,23cyclictest3477287-21ntpq12:29:430
325510699371,23cyclictest3477287-21ntpq12:29:430
325510699333,6cyclictest0-21swapper/012:24:390
3255106993217,4cyclictest3298527-21ntp_states09:14:380
325510699321,29cyclictest0-21swapper/009:54:350
325510899317,18cyclictest1008-21mta-sts-daemon11:55:432
325510699302,27cyclictest191rcuc/010:39:430
3255106993020,3cyclictest0-21swapper/012:39:430
3255106993014,10cyclictest11050irq/107-eth%d12:14:390
3255106993011,4cyclictest14-21ksoftirqd/011:54:360
3255108992924,4cyclictest1006-21mta-sts-daemon11:09:402
3255108992919,7cyclictest3420033-21gltestperf11:34:332
325510699292,1cyclictest171rcu_preempt10:22:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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