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2025-05-03 - 02:06
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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 20 highest latencies:
System rackbslot8.osadl.org (updated Mon Apr 21, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58750836260irq/54-eth00-21swapper/119:04:591
61350550irq/39-f800710018689-21cat21:50:200
61350550irq/39-f80071000-21swapper/000:35:250
58750550irq/54-eth09836-21munin-node0
58750550irq/54-eth031263-21cut00:30:090
58750550irq/54-eth018024-21munin-node1
58750550irq/54-eth017195-21kworker/u4:021:45:350
58750550irq/54-eth00-21swapper/022:53:140
58750550irq/54-eth00-21swapper/022:30:130
58750550irq/54-eth00-21swapper/020:00:440
32084995519cyclictest0-21swapper/119:30:301
1999550migration/1947-21runrttasks19:13:041
1999550migration/17154-21runrttasks23:03:141
1999550migration/130343-21runrttasks20:42:111
1999550migration/127152-21runrttasks20:32:201
1999550migration/121069-21taskset21:59:431
1999550migration/121069-21taskset21:59:431
1799550watchdog/18643-21fschecks_count19:35:221
1799550watchdog/13833-21fschecks_time19:20:181
1799550watchdog/132729-21aten_rbpower_po22:40:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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