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2025-12-08 - 07:17
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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 08, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22184211418,75sleep022223-21timerwakeupswit19:08:520
13721211314,28sleep013758-21if_eth020:23:410
13995211014,23sleep014001-21munin-node22:03:480
15412210414,16sleep015413-21iostat_ios20:28:430
7634210314,76sleep07651-21missed_timers23:23:490
10661210114,15sleep010702-21perl23:33:370
8671210017,16sleep08614-21munin-node21:48:260
5236210015,16sleep05278-21basename19:58:250
5127210014,16sleep05184-21grep19:58:130
25077210014,16sleep025088-21idleruntime20:58:400
1104210014,19sleep01138-21ntp_kernel_pll_23:03:520
2884029914,16sleep028857-21ntp_states00:28:550
22958999914,75cyclictest20921-21unixbench_singl22:24:100
2028729914,16sleep020288-21iostat_ios20:43:470
2820229814,15sleep028206-21hddtemp_smartct19:28:400
1251729814,16sleep012530-21sensors20:19:040
22958999715,72cyclictest21598-21munin-node22:29:140
1705429714,16sleep017057-21diskstats23:53:320
2211129614,16sleep022114-21ntp_states20:48:560
1856529614,16sleep018580-21fschecks_count22:18:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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