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2024-07-27 - 03:50
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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 Sat Jul 27, 2024 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23751222336,58sleep00-21swapper/019:05:410
243249916431,112cyclictest21920-21netstat23:15:310
24324991608,17cyclictest12411-21apt-get22:42:110
243249916046,103cyclictest29168-21runrttasks23:43:320
243249915937,111cyclictest14340-21/usr/sbin/munin22:45:170
243249915836,110cyclictest763-21systemd-journal00:33:330
243249915617,16cyclictest10250irq/56-4a10000000:09:580
24324991557,19cyclictest765-21sshd21:51:330
243249915542,101cyclictest10740-21ntpq00:36:160
243249915536,107cyclictest23214-21netstat23:20:340
243249915532,102cyclictest20606-21fw_conntrack23:10:270
243249915440,104cyclictest2568-21runrttasks22:00:050
24324991536,22cyclictest1291-21sshd23:50:150
24324991535,22cyclictest411-21runrttasks23:58:340
24324991535,18cyclictest934-21latency_hist19:45:030
243249915339,102cyclictest24985-21latency_hist21:20:030
24324991527,21cyclictest28032-21apt-get19:27:090
24324991527,126cyclictest13377-21apt-get20:36:310
243249915253,89cyclictest4294-21mailstats00:11:340
24324991518,37cyclictest13389-21http20:35:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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