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2026-07-14 - 07:44
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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 Tue Jul 14, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502670,0irq/45-4a10000016092sleep019:08:510
16669913138,0cyclictest18622-21/usr/sbin/munin19:54:500
16669912940,0cyclictest896-21df_abs22:14:140
16669912754,0cyclictest7350irq/45-4a10000022:39:270
16669912540,0cyclictest10595-21runrttasks00:17:310
16669912538,0cyclictest31478-21aten_r4power_po22:09:070
16669912537,0cyclictest0-21swapper23:27:250
16669912534,0cyclictest12939-21diskstats00:24:210
16669912530,0cyclictest31156-21runrttasks22:08:040
16669912441,0cyclictest32724-21runrttasks20:36:550
16669912431,0cyclictest12136-21runrttasks21:11:110
16669912341,0cyclictest13954-21runrttasks22:52:070
16669912338,0cyclictest24080-21runrttasks23:21:010
16669912336,0cyclictest0-21swapper21:59:410
16669912335,0cyclictest5500-21runrttasks19:17:440
16669912335,0cyclictest17964-21df_abs21:29:110
16669912335,0cyclictest14596-21df_abs22:54:150
16669912332,0cyclictest3306-1cat22:20:020
16669912329,0cyclictest9039-21runrttasks00:13:520
16669912329,0cyclictest3773-21runrttasks20:47:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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