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2026-04-02 - 07:00
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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 Thu Apr 02, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1236828180,4sleep012366-21diskstats19:10:540
2926210114,17sleep02964-21ls20:21:100
27031210114,16sleep027090-21perl19:56:010
11576210114,20sleep011610-21unixbench_singl20:46:340
9013210014,16sleep09052-21cut20:40:500
27570210015,16sleep027568-21ntp_states23:16:190
1378210015,16sleep01410-21iostat23:36:060
2371829914,16sleep023776-21hostname23:05:510
791029814,16sleep07913-21munin-node22:16:090
3199729814,16sleep032000-21diskstats23:30:560
3139729814,16sleep03250-21snmpd20:09:380
760829714,16sleep07644-21grep20:35:580
2405329714,15sleep024057-21kernelversion21:26:100
1622629715,16sleep016260-21wc19:21:290
628029614,16sleep06285-21munin-node23:51:030
3007129614,16sleep030145-21latency_hist23:25:410
2646129614,20sleep00-21swapper23:12:430
2227829614,16sleep022317-21fschecks_count23:01:000
13784999615,72cyclictest3568-21runrttasks00:36:040
13784999614,72cyclictest30791-21proc_pri21:46:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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