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2024-06-24 - 20:53
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot8.osadl.org (updated Mon Jun 24, 2024 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1947725280,7sleep019476-21proc_pri07:05:400
202549918130,20cyclictest1350-21nginx10:10:580
202549917731,32cyclictest10250irq/56-4a10000009:25:370
202549916833,117cyclictest21038-21wget11:25:140
202549916740,13cyclictest1175-21cut08:00:140
202549916444,22cyclictest31633-21sshd12:05:440
202549916424,32cyclictest10250irq/56-4a10000008:20:190
202549916343,14cyclictest10150irq/55-4a10000010:20:440
202549916240,16cyclictest10250irq/56-4a10000007:40:230
202549916039,19cyclictest30193-21runrttasks07:46:390
202549916022,26cyclictest5078-21latency_hist12:30:030
202549916022,14cyclictest4784-21latency_hist08:15:040
202549915934,14cyclictest10150irq/55-4a10000009:50:350
202549915924,24cyclictest1294-21snmpd08:25:040
202549915842,16cyclictest10250irq/56-4a10000010:45:570
202549915739,21cyclictest2939-21fw_forwarded_lo12:20:240
202549915725,20cyclictest32134-21/usr/sbin/munin07:55:120
20254991568,19cyclictest763-21systemd-journal08:20:010
20254991566,17cyclictest25233-21apt-get07:32:140
202549915648,89cyclictest101ktimersoftd/011:30:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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