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2026-05-03 - 12:34
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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 rack7slot2.osadl.org (updated Sun May 03, 2026 00:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
135866199135120,11cyclictest53-21kswapd021:55:100
1358662999891,5cyclictest1475706-21kworker/u4:2+events_unbound23:18:031
1358662998879,7cyclictest1514754-21kworker/u4:3+events_unbound23:53:091
1358661998750,26cyclictest53-21kswapd000:30:090
1358661998433,38cyclictest0-21swapper/022:15:240
1358662998274,6cyclictest1558221-21kworker/u4:0+events_unbound00:33:201
135866199761,47cyclictest1439305-21/usr/sbin/munin22:05:380
135866199742,46cyclictest1421358-21ssh21:45:270
135866199742,44cyclictest1381928-21apt-get20:40:100
1358661997423,39cyclictest0-21swapper/023:30:310
135866199731,51cyclictest1477501-21modprobe22:50:000
135866199731,36cyclictest1534813-21ntpq23:55:270
135866299712,61cyclictest1443371-21sh22:10:291
1358661997040,27cyclictest1461544-21/usr/sbin/munin22:30:410
135866199701,45cyclictest1483022-21ntp_states22:55:340
135866199692,41cyclictest1559849-21ssh00:24:580
1358661996916,29cyclictest25650irq/23-42890000.ethernet21:15:270
135866199691,45cyclictest1490616-21cut23:05:010
1358662996760,5cyclictest1377888-21kworker/u4:6+events_unbound21:22:371
1358661996736,28cyclictest1567030-21kworker/u4:1-rpciod00:35:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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