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2025-11-10 - 11:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Mon Nov 10, 2025 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182659926582cyclictest14057-21rm23:29:360
1826599258135cyclictest27963-21ntp_kernel_pll_22:08:490
1826599254131cyclictest29353-21rm00:37:060
1826599254124cyclictest24825-21ssh00:17:290
182659925286cyclictest24684-21sshd21:54:390
1826599252127cyclictest2460-21ntpq20:18:060
1826599251132cyclictest23077-21ntp_kernel_pll_00:08:510
1826599251125cyclictest7795-21cpu20:42:020
1826599251124cyclictest13208-21timerandwakeup21:03:560
1826599251123cyclictest12039-21swap20:58:590
1826599250127cyclictest24984-21fschecks_count00:17:520
1826599250124cyclictest32586-21sh22:29:140
182659924884cyclictest1523-21cron20:13:490
1826599248132cyclictest16154-21fschecks_count21:17:520
1826599246129cyclictest27194-21latency_hist00:27:320
1826599246121cyclictest7651-21netwatch23:02:120
1826599246120cyclictest3410-21if_eth022:43:110
1826599245124cyclictest8400-21munin-node0
1826599245119cyclictest28974-21irqstats19:52:430
1826599245117cyclictest17217-21irqstats23:43:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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