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2025-11-05 - 08:58
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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 05, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1150027680,4sleep011499-21munin-node19:08:140
128469913414,80cyclictest10908-21munin-node00:08:120
128469913314,109cyclictest13019-21grep20:53:060
128469913114,107cyclictest1233-21seq20:16:180
128469912814,76cyclictest11195-21munin-node22:28:340
128469912715,103cyclictest3533-21runrttasks23:28:090
128469912515,99cyclictest11436-21munin-node20:48:080
128469912515,100cyclictest29938-21seq21:48:080
128469912514,102cyclictest32579-21munin-node23:33:510
128469912514,101cyclictest23038-21iostat_ios19:43:240
128469912315,98cyclictest3354-21sed22:03:480
128469912314,72cyclictest29770-21chrt20:03:390
128469912215,98cyclictest18388-21runrttasks00:30:110
128469912214,99cyclictest3533-21runrttasks20:34:030
128469912214,98cyclictest2825-21fschecks_time23:43:160
128469912214,98cyclictest14972-21munin-node19:18:280
128469912115,95cyclictest5841-21munin-node23:53:570
128469912114,97cyclictest3217-21snmpd19:41:150
128469912020,90cyclictest26740-21wget21:38:070
128469912015,94cyclictest15048-40yum-updatesd-he00:19:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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