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2026-03-24 - 08:46
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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 Tue Mar 24, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16570213117,27sleep03250-21snmpd19:10:560
17146999715,72cyclictest5544-21sshd23:36:080
17146999615,71cyclictest187692sleep020:59:420
17146999614,73cyclictest30137-21munin-node19:54:530
17146999516,70cyclictest19766-21proc_pri00:20:290
17146999515,71cyclictest16084-21munin-node20:50:160
17146999515,70cyclictest26352-21awk00:40:320
17146999515,70cyclictest17695-21cut00:15:050
17146999514,71cyclictest11821-21munin-node23:55:360
17146999510,76cyclictest5071-21munin-node21:55:270
1714699939,74cyclictest27440-21hddtemp_smartct23:05:080
17146999310,73cyclictest3568-21runrttasks22:04:590
17146999310,72cyclictest19418-21ntpq19:20:210
1714699929,74cyclictest6199-21fschecks_time20:20:040
1714699929,74cyclictest24268-21iostat22:55:100
1714699929,72cyclictest22696-21munin-node00:30:100
17146999215,68cyclictest25918-21seq21:20:230
17146999215,68cyclictest23649-21munin-node19:35:010
17146999215,68cyclictest138122sleep022:23:140
17146999214,69cyclictest17967-21munin-node22:35:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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