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2026-08-09 - 11:26
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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 10 highest latencies:
System rack7slot8.osadl.org (updated Sat Aug 08, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1169026940,7sleep011691-21/usr/sbin/munin07:05:270
125419916740,109cyclictest10250irq/56-4a10000007:59:420
12541991666,106cyclictest7353-21diskstats08:55:260
12541991637,138cyclictest1699-21runrttasks08:32:120
12541991617,97cyclictest28611-21apt-get10:18:180
125419916142,103cyclictest10250irq/56-4a10000012:01:470
12541991609,129cyclictest17050-21sshd11:40:150
125419916018,120cyclictest22018-21https09:55:060
12541991598,92cyclictest24961-21apt-get08:02:110
12541991589,105cyclictest13491-21diskstats11:25:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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