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2025-04-02 - 04:28
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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 Wed Apr 02, 2025 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1170189999060,20cyclictest54-21kswapd023:00:080
1170189998425,45cyclictest25650irq/23-42890000.ethernet00:00:110
1170190998027,16cyclictest54-21kswapd000:25:111
1170190997945,32cyclictest374-21systemd-timesyn19:43:091
1170190997833,9cyclictest1173975-21modprobe19:25:001
1170190997738,5cyclictest1239554-21latency_hist22:05:011
1170189997757,15cyclictest1337816-21ssh00:20:530
1170190997659,10cyclictest1168930-21kworker/u4:8+events_unbound19:15:151
117018999757,53cyclictest37-21kcompactd022:25:130
1170190997239,4cyclictest1190864-21munin-run20:40:001
1170190996939,4cyclictest1195934-21sendmail21:00:001
1170190996936,8cyclictest1170187-21cyclictest20:45:001
1170190996832,7cyclictest0-21swapper/122:50:081
1170190996658,6cyclictest1193361-21kworker/u4:1+events_unbound21:20:001
1170190996658,6cyclictest1193361-21kworker/u4:1+events_unbound21:20:001
1170190996631,8cyclictest0-21swapper/120:20:271
1170190996532,6cyclictest1325556-21kworker/u4:0-rpciod00:10:221
1170189996549,13cyclictest1170187-21cyclictest21:50:010
1170190996456,6cyclictest1319810-21fschecks_time23:55:221
1170189996211,47cyclictest1217892-21ssh21:35:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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