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2026-01-05 - 02:26
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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 Mon Jan 05, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502180,0irq/45-4a1000003355-21kworker/0:419:05:450
107309913644,0cyclictest26927-21/usr/sbin/munin23:05:510
107309913262,0cyclictest7350irq/45-4a10000021:01:370
107309912943,0cyclictest10580-21aten_r4power_en23:54:410
107309912842,0cyclictest7399-21df_inode22:09:580
107309912750,0cyclictest7350irq/45-4a10000022:20:370
107309912743,0cyclictest1130-21/usr/sbin/munin21:50:390
107309912542,0cyclictest5859-21/usr/sbin/munin22:05:100
107309912439,0cyclictest12227-21/usr/sbin/munin22:24:330
107309912437,0cyclictest364-21aten_r4power_po23:24:440
107309912343,0cyclictest24566-21runrttasks00:35:020
107309912240,0cyclictest5026-21runrttasks22:02:490
107309912144,0cyclictest14300-21fschecks_time19:20:130
107309912040,0cyclictest0-21swapper21:30:050
107309911939,0cyclictest0-21swapper20:25:530
107309911938,0cyclictest0-21swapper19:25:030
107309911850,0cyclictest0-21swapper19:47:320
107309911843,0cyclictest0-21swapper23:42:570
107309911840,0cyclictest20468-21runrttasks22:48:080
107309911840,0cyclictest0-21swapper19:54:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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