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2026-05-16 - 15:44
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Sat May 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1939628410,4sleep019394-21diskstats07:15:320
208129915315,128cyclictest14947-21ls08:40:520
208129915215,127cyclictest18055-21munin-node10:30:380
208129915115,98cyclictest26678-21ls10:56:090
208129914915,124cyclictest10485-21threads10:06:080
208129914814,125cyclictest29314-21forks11:05:370
208129914814,124cyclictest21133-21fschecks_time07:20:380
208129914716,120cyclictest19531-21munin-node08:55:360
208129914715,122cyclictest3433-21forks11:25:360
208129914515,120cyclictest24079-21latency_hist09:10:170
208129914514,121cyclictest9580-21cut08:25:280
208129914514,121cyclictest21174-21runrttasks12:20:290
208129914514,121cyclictest14480-21latency_hist12:00:170
208129914415,119cyclictest22609-21aten_r4power_cu10:45:280
208129914415,119cyclictest16969-21timerwakeupswit08:46:120
208129914414,120cyclictest7917-21seq08:20:190
208129914314,120cyclictest25205-21runrttasks09:11:320
208129914314,119cyclictest24307-21munin-node12:30:290
208129914214,118cyclictest4015-21chrt08:06:140
208129914116,114cyclictest14497-21munin-node10:21:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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