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2025-11-20 - 15:49
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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 Nov 20, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1932426360,4sleep019322-21sshd07:08:310
204029913515,110cyclictest13958-21seq10:12:120
204029913415,108cyclictest6880-21seq11:28:530
204029912915,104cyclictest14854-21munin-node08:33:530
204029912814,76cyclictest21356-21swap08:53:540
204029912714,103cyclictest12032-21seq08:25:440
204029912714,102cyclictest8740-21munin-node11:34:030
204029912615,101cyclictest9221-21ls09:58:030
204029912614,102cyclictest3533-21runrttasks09:06:020
204029912516,99cyclictest17710-21munin-node08:43:270
204029912514,102cyclictest3320-21missed_timers09:38:360
204029912514,101cyclictest9705-21if_eth009:58:300
204029912415,98cyclictest5275-21munin-node09:43:570
204029912414,101cyclictest3533-21runrttasks08:08:200
204029912318,96cyclictest3217-21snmpd07:38:520
204029912315,98cyclictest27773-21seq12:33:350
204029912314,99cyclictest3533-21runrttasks10:53:460
204029912314,99cyclictest24571-21munin-node12:23:370
204029912313,101cyclictest3533-21runrttasks10:43:410
204029912215,97cyclictest21658-21expr12:13:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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