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2026-06-26 - 11:47
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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 Fri Jun 26, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502340,0irq/46-4a1000007847-1kworker/u3:019:07:520
97829912859,0cyclictest12-21ksoftirqd/020:55:000
97829912735,0cyclictest11988-21runrttasks20:49:090
97829912643,0cyclictest10478-21aten_r4power_en23:54:480
97829912638,0cyclictest5663-21runrttasks20:30:020
97829912633,0cyclictest24561-21/usr/sbin/munin23:00:120
97829912533,0cyclictest12148-21date20:49:410
97829912530,0cyclictest10007-21tr19:09:500
97829912434,0cyclictest21374-21/usr/sbin/munin19:40:290
97829912432,0cyclictest11960-21load19:14:570
97829912428,0cyclictest2159-21chrt20:19:550
97829912412,0cyclictest9728-21/usr/sbin/munin20:40:400
97829912340,0cyclictest13914-21wget00:04:490
97829912338,0cyclictest28672-21runrttasks23:11:090
97829912336,0cyclictest10708-21df_abs22:20:020
97829912333,0cyclictest16224-21memory19:25:220
97829912332,0cyclictest8672-21latency_hist20:39:420
97829912332,0cyclictest16220-21ls00:10:250
97829912331,0cyclictest8628-21runrttasks22:14:390
97829912331,0cyclictest4354-21runrttasks20:25:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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