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2025-11-17 - 13:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Mon Nov 17, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
544299279253cyclictest32057-21ssh23:22:250
544299256102cyclictest7534-21ssh21:35:120
544299254229cyclictest31088-21fschecks_time23:17:530
54429925396cyclictest27398-21latency_hist23:02:040
544299253227cyclictest3081-21sendmail-msp21:16:440
544299252227cyclictest7890-21sort23:57:440
544299252218cyclictest9360-21if_eth021:43:050
54429925192cyclictest13006-21processes19:38:250
544299251227cyclictest32490-21ntp_states21:03:130
544299251220cyclictest17627-21ntp_offset22:18:430
544299251220cyclictest15319-21ssh00:30:070
544299251219cyclictest1918-21ssh23:32:330
544299251218cyclictest14370-21ssh00:26:230
544299250225cyclictest4562-21if_eth023:43:100
544299250225cyclictest21937-21ssh22:38:010
54429924989cyclictest13823-21netwatch22:02:410
544299249224cyclictest5898-21ssh21:28:070
544299249223cyclictest20959-21missed_timers22:33:310
544299249220cyclictest3958-21ssh21:19:530
544299249217cyclictest7038-21awk23:53:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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