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2026-08-08 - 08:23
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot2.osadl.org (updated Sat Aug 08, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502210,0irq/45-4a1000008314-21kworker/0:219:05:090
132959912943,0cyclictest16269-21/usr/sbin/munin00:00:440
132959912843,0cyclictest27969-21/usr/sbin/munin23:00:210
132959912741,0cyclictest14019-21/usr/sbin/munin22:20:090
132959912346,0cyclictest12-21ksoftirqd/022:00:520
132959912333,0cyclictest4051-21diskstats20:15:220
132959912233,0cyclictest2656-21memory21:45:420
132959912231,0cyclictest20205-21sed21:01:090
132959912141,0cyclictest26275-21/usr/sbin/munin00:30:220
132959912137,0cyclictest12642-21fschecks_count23:50:230
132959912134,0cyclictest14070-21seq20:45:100
132959912110,0cyclictest21319-21/usr/sbin/munin22:40:400
132959911936,0cyclictest27733-21aten_r4power_po19:50:100
132959911931,0cyclictest17090-21runrttasks19:18:300
132959911930,0cyclictest24877-21memory19:40:490
132959911836,0cyclictest22833-21df_abs19:35:170
132959911832,0cyclictest13518-21runrttasks20:42:070
132959911831,0cyclictest19733-21memory00:10:410
132959911829,0cyclictest11104-21/usr/sbin/munin22:10:360
132959911812,0cyclictest4043-21df_inode21:50:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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