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2026-03-12 - 16:05
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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 Thu Mar 12, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74509440,0irq/46-4a10000032393-1kworker/u3:207:05:580
8429910172,0cyclictest10827-21aten_r4power_cu09:11:570
842999970,0cyclictest7941-21irqstats10:37:250
842999775,0cyclictest15583-21runrttasks07:50:060
842999679,0cyclictest1110-21/usr/sbin/munin07:07:020
842999675,0cyclictest3407-21runrttasks08:48:090
842999574,0cyclictest18807-21runrttasks09:33:230
842999475,0cyclictest22664-21modprobe11:21:480
842999459,0cyclictest11025-21/usr/sbin/munin10:47:040
842999376,0cyclictest16325-1kworker/u3:009:27:440
842999374,0cyclictest9482-21fschecks_count12:17:160
842999372,0cyclictest8690-21runrttasks07:29:330
842999372,0cyclictest6943-21runrttasks10:34:090
842999371,0cyclictest7131-21runrttasks07:25:430
842999371,0cyclictest337-21runrttasks08:41:060
842999367,0cyclictest16559-21memory11:02:310
842999275,0cyclictest14851-21meminfo09:22:300
842999273,0cyclictest20239-21mailstats08:02:420
842999271,0cyclictest21682-21/usr/sbin/munin08:07:320
842999271,0cyclictest1928-21runrttasks08:45:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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