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2025-11-27 - 22:02
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack4slot3.osadl.org (updated Thu Nov 27, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3222123850,6sleep032220-21vmstat07:08:540
29174211214,84sleep029186-21munin-node11:59:150
15244211015,82sleep015311-21latency_hist11:18:070
5905210614,16sleep05908-21memory07:28:420
7239210414,16sleep07245-21munin-run12:33:070
31900210414,15sleep031901-21iostat_ios10:28:370
28433210314,15sleep028434-21diskstats10:18:270
11241210314,16sleep011268-21sendmail_mailtr11:03:570
4391210114,16sleep04409-21ntp_states07:23:490
1568210013,16sleep01569-21munin-node10:34:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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