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2026-04-12 - 11:26
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 10 highest latencies:
System rack7slot8.osadl.org (updated Sat Apr 11, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
445428080,11sleep04455-21aten_r7power_cu07:05:120
56149912735,36cyclictest18795-21diskstats08:00:380
56149912538,32cyclictest25243-21diskstats10:30:220
56149912346,22cyclictest20018-21fw_conntrack08:05:250
56149912065,36cyclictest804-21wpa_supplicant08:15:130
56149912050,36cyclictest22346-21fw_forwarded_lo12:25:440
56149911961,40cyclictest1305-21snmpd09:40:480
56149911856,43cyclictest2010-21node08:39:490
56149911776,33cyclictest18176-21apt-config08:00:100
56149911744,39cyclictest23403-21apt-get08:22:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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