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2026-04-23 - 03:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack3slot2.osadl.org (updated Thu Apr 23, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
164364922680,2chrt1643648-21awk20:26:160
163595922610,3chrt22-21kcompactd020:00:040
165329522530,3chrt1653293-21ntpq21:01:120
163228522520,4chrt1632282-21ntpq19:45:460
168770522440,2sleep01687706-21/usr/sbin/munin23:05:220
162097622390,2sleep01620977-21/usr/sbin/munin19:05:220
169794522320,3chrt1697947-21grep23:41:170
162200299227196,20cyclictest29-21kswapd000:11:140
162200299208178,19cyclictest29-21kswapd000:15:210
162200299202170,20cyclictest1712225-21kworker/u2:200:40:030
162200299194163,19cyclictest1654039-21kworker/u2:221:15:040
170533421910,2sleep01705335-21cat00:10:060
162200299191161,18cyclictest1710823-21kworker/u2:100:35:030
162200299191161,18cyclictest1654039-21kworker/u2:221:10:040
166306621900,4chrt1663067-21proc_pri21:36:140
162200299190159,19cyclictest1673962-21kworker/u2:022:40:050
162200299189158,19cyclictest1694952-21kworker/u2:123:35:030
166121921850,2sleep01661217-21diskstats21:30:180
162200299184154,19cyclictest1647580-21kworker/u2:120:50:030
168749821830,2sleep01687499-21latency_hist23:05:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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