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2026-05-01 - 21:53
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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 Fri May 01, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159505599284254,20cyclictest29-21kswapd007:41:010
168060722630,3chrt1680595-21ntpq12:15:420
164556422360,4chrt1645563-21/usr/sbin/munin10:10:200
165984722350,4chrt1659846-21ld11:01:030
159505599209178,21cyclictest29-21kswapd007:45:220
160798222030,2sleep01607985-21kernelversion07:55:250
161394622000,2sleep01613947-21/usr/sbin/munin08:16:180
159505599194163,19cyclictest1627696-21kworker/u2:109:10:020
161665921900,3sleep01616658-21ld08:26:120
159505599190160,19cyclictest1663885-21kworker/u2:211:25:070
159505599188157,19cyclictest1648105-21kworker/u2:210:30:020
159505599185155,19cyclictest1622083-21kworker/u2:009:00:040
159505599183153,19cyclictest1657832-21kworker/u2:011:00:020
159505599183145,26cyclictest1603257-31find07:38:270
167207421810,4chrt1672072-21irqstats11:45:270
159505599181151,19cyclictest1627696-21kworker/u2:109:30:060
159505599178147,20cyclictest1627696-21kworker/u2:109:40:000
159505599178147,19cyclictest1595555-21kworker/u2:107:25:040
159505599176146,19cyclictest1603518-21kworker/u2:307:55:050
159505599176146,18cyclictest1648105-21kworker/u2:210:46:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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