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2024-07-16 - 08:48
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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 rack0slot1.osadl.org (updated Tue Jul 16, 2024 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16175993329,2cyclictest27186-21perl19:07:084
16180993213,17cyclictest14707-21perl22:07:337
1616599290,1cyclictest6181-21perl19:53:451
16174992710,15cyclictest26200-21df_inode00:07:013
16165992623,2cyclictest22921-21portstat_8821:52:311
16163992623,1cyclictest9201-21perl23:07:050
16165992510,3cyclictest26654-21perl00:07:071
16165992416,7cyclictest27012-21perl19:07:081
16165992413,9cyclictest14610-21postmaster22:07:291
16163992420,3cyclictest26860-21perl00:07:000
16180992316,6cyclictest23139-21perl21:52:377
16179992321,1cyclictest5459-21perl19:52:586
16179992318,2cyclictest70-21ksoftirqd/621:14:016
1617699235,2cyclictest19819-21perl20:07:405
1617499235,16cyclictest28002-21perl22:52:343
1616999232,19cyclictest22753-21perl23:06:572
1616999231,2cyclictest6298-21perl19:53:542
1616399239,13cyclictest25064-21kworker/0:200:23:220
1616399231,2cyclictest21433-21perl22:53:530
1617699221,4cyclictest6136-21perl19:53:455
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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