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2025-12-22 - 21:57
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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 Mon Dec 22, 2025 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
895928250,4sleep08956-21ls07:05:430
8038210514,30sleep07095-21munin-node12:01:170
21489210114,18sleep021491-21crond11:05:170
5903210014,16sleep05904-21iostat_ios11:55:480
4312210014,17sleep04331-21ntp_states08:30:580
16046210014,16sleep016047-21users09:06:160
14405210014,18sleep014421-21munin-node10:41:150
252129814,16sleep02525-21hddtemp_smartct11:45:440
3139529714,16sleep031408-21forks08:15:380
2506429714,15sleep025099-21tune2fs11:15:390
1416629714,16sleep014161-21latency_hist12:25:180
993429614,16sleep09957-21missed_timers12:10:540
2844729614,16sleep028456-21memory08:05:520
2147629614,15sleep021529-21basename07:45:310
3182129514,16sleep031257-21munin-node09:55:570
242929515,16sleep02433-21irqstats08:25:470
1442629515,16sleep014430-21users09:01:170
10086999515,69cyclictest12664-21munin-node08:56:120
437129414,16sleep04372-21memory11:50:540
3214329414,16sleep032159-21switchtime11:36:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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