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2026-03-26 - 04:15
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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 rackeslot4.osadl.org (updated Thu Mar 26, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2227979993734,2cyclictest2528073-21fwupd00:01:333
2227979993734,2cyclictest2528073-21fwupd00:01:333
2227974993330,2cyclictest2528073-21fwupd00:01:331
2227974993330,2cyclictest2528073-21fwupd00:01:321
222797699282,21cyclictest2401278-21apt-get22:00:132
222797499271,23cyclictest2421451-21taskset22:20:101
222797699262,21cyclictest2538823-21apt-get00:15:132
2227979992523,1cyclictest0-21swapper/320:40:153
2227979992521,3cyclictest2498087-21sh23:35:003
222797699250,23cyclictest2426993-21grep22:25:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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