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2026-04-27 - 07:55
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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 Apr 27, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66079915014,126cyclictest22657-21seq21:47:040
66079915014,126cyclictest12348-21munin-node21:14:020
66079915014,125cyclictest18131-21hostname21:33:270
66079914814,62cyclictest26176-21aten_r4power_vo20:18:270
66079914624,48cyclictest26867-21ntpq23:38:540
66079914414,120cyclictest19795-21egrep21:38:290
66079914316,60cyclictest24898-21munin-node21:53:400
66079914214,56cyclictest6869-21munin-node00:18:350
66079914214,119cyclictest3568-21runrttasks22:22:520
66079914114,64cyclictest24055-21sshd21:50:140
66079914113,57cyclictest13620-21munin-node22:58:390
66079914015,61cyclictest9540-21seq22:45:130
66079914013,60cyclictest3568-21runrttasks23:21:050
66079913914,116cyclictest4564-21runrttasks22:29:180
66079913914,116cyclictest15299-21if_eth023:03:410
66079913815,53cyclictest9941-21chrt21:08:240
66079913815,39cyclictest28686-21unixbench_singl20:24:120
66079913815,113cyclictest325792sleep023:58:020
66079913813,64cyclictest22702-21runrttasks23:26:460
66079913516,50cyclictest5075-21munin-node20:53:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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