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2026-04-28 - 11:34
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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 20 highest latencies:
System rack4slot3.osadl.org (updated Tue Apr 28, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107429915514,71cyclictest15730-21wget21:13:320
107429915114,72cyclictest14983-21munin-node22:49:130
30861210414,77sleep030296-21munin-node21:59:000
23756210014,16sleep023811-21munin-node19:58:320
23055210015,15sleep023067-21sensors23:14:110
10191210017,65sleep03250-21snmpd19:14:450
995129814,15sleep09974-21sendmail_mailqu20:54:090
2275629814,15sleep022764-21open_files19:54:060
1319329814,16sleep013240-21switchtime19:24:150
1142929814,16sleep011437-21memory22:38:560
1127129814,15sleep011273-21irqstats20:58:510
2942929714,16sleep029455-21mailstats21:54:110
1979929714,15sleep019819-21sensors23:04:100
919029614,15sleep09267-21ls22:33:220
499229513,69sleep04995-21ntp_states20:39:030
350629514,16sleep03551-21munin-node22:14:080
2108829514,15sleep021124-21latency23:08:540
10742999515,71cyclictest25932-21date21:43:530
10742999514,72cyclictest13225-21proc_pri22:44:040
10742999514,71cyclictest30890-21open_inodes20:19:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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