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2024-11-22 - 16:55
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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 Thu Nov 21, 2024 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
587502397280irq/54-eth00-21swapper/107:05:551
1099730migration/023647-21munin-node0
24776995721cyclictest0-21swapper/111:00:081
2477699561cyclictest0-21swapper/109:03:211
58750550irq/54-eth09922-21munin-node0
58750550irq/54-eth09871-21apt-get11:25:060
58750550irq/54-eth09871-21apt-get11:25:060
58750550irq/54-eth031800-21munin-node0
58750550irq/54-eth027677-21latency_hist10:39:560
58750550irq/54-eth024436-21munin-node0
58750550irq/54-eth023043-21taskset12:05:120
58750550irq/54-eth022053-21munin-node0
58750550irq/54-eth019806-21fschecks_count11:55:130
58750550irq/54-eth016963-21munin-node0
58750550irq/54-eth011547-21apt-get09:50:100
58750550irq/54-eth00-21swapper/012:33:450
58750550irq/54-eth00-21swapper/012:28:250
58750550irq/54-eth00-21swapper/012:00:170
58750550irq/54-eth00-21swapper/010:15:260
1999550migration/17292-21runrttasks07:54:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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