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2026-04-04 - 12:51
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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 Apr 04, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502310,0irq/45-4a1000001033-21kworker/0:419:05:550
1268998164,0cyclictest27882-21/usr/sbin/munin20:21:160
7350800,0irq/45-4a100000167772sleep021:22:190
1268998062,0cyclictest17793-21/usr/sbin/munin19:51:280
1268997955,0cyclictest0-21swapper23:56:080
1268997663,0cyclictest12218-21munin-node21:11:080
1268997654,0cyclictest27183-21runrttasks20:18:350
1268997558,0cyclictest15749-21/usr/sbin/munin00:31:110
1268997555,0cyclictest9096-21df_abs19:26:160
1268997555,0cyclictest10618-21aten_r4power_vo21:06:100
1268997552,0cyclictest10277-21runrttasks21:05:100
1268997455,0cyclictest15327-21runrttasks21:19:260
1268997455,0cyclictest13859-21latency_hist22:51:000
1268997454,0cyclictest19033-21ls21:31:010
1268997451,0cyclictest5978-21latency19:16:360
1268997354,0cyclictest2178-21cstates22:16:140
1268997350,0cyclictest29406-21aten_r4power_vo22:01:100
1268997349,0cyclictest0-21swapper22:06:090
1268997251,0cyclictest7350irq/45-4a10000021:51:260
1268997250,0cyclictest8085-21runrttasks00:06:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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