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2026-03-21 - 15:05
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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 Sat Mar 21, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19176211714,90sleep019215-21interrupts07:59:530
2939211216,20sleep02945-21iostat_ios07:09:480
9101210514,16sleep09102-21sshd10:49:210
6699210514,15sleep05837-21munin-node07:20:210
4891210514,79sleep04907-21munin-node10:35:030
7742210213,16sleep07743-21diskstats09:04:450
6508210015,16sleep06509-21memory10:40:020
18939210014,19sleep018994-21cpu09:39:390
4199999915,74cyclictest28817-21munin-node10:09:440
3156829914,16sleep03250-21snmpd11:57:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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