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2025-11-26 - 08:19
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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 Wed Nov 26, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
62829910514,81cyclictest3507-21grep00:03:200
11837210414,16sleep011840-21munin-node22:48:360
1104210314,15sleep03217-21snmpd20:36:120
7665210214,17sleep07668-21vmstat00:14:070
1986621020,4sleep019867-21sed21:33:420
5466210114,16sleep05477-21tail22:28:430
29903210114,16sleep029906-21ntp_states23:43:490
26214210114,16sleep026217-21iostat_ios20:13:390
21682210014,15sleep021701-21sensors19:58:550
2923729914,15sleep029251-21forks20:23:260
616729817,59sleep06186-21munin-run19:13:050
385729814,15sleep03899-21munin-node22:23:500
1994529814,16sleep019948-21iostat23:13:340
2641829714,15sleep025895-21munin-node21:53:440
904829613,16sleep09075-21sensors00:18:560
2965829614,16sleep029668-21missed_timers22:03:420
236029614,15sleep02361-21ntp_states23:58:470
1171929614,15sleep011720-21iostat_ios21:08:350
867529514,16sleep08676-21memory22:38:420
647229514,15sleep06501-21df_inode19:13:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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