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2024-04-19 - 20:59
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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 rackcslot3.osadl.org (updated Fri Apr 19, 2024 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81770rcu_preempt29373-21diskstats07:18:411
81750rcu_preempt24834-21ntp_states11:23:491
142050740irq/30-eth0-tx-181ktimersoftd/111:10:371
81720rcu_preempt22269-21if_can008:58:451
81710rcu_preempt13054-21ssh09:54:520
81700rcu_preempt28112-21diskmemload12:50:230
81700rcu_preempt0-21swapper/112:23:321
81700rcu_preempt0-21swapper/012:12:080
81700rcu_preempt0-21swapper/012:12:080
81690rcu_preempt28112-21diskmemload09:28:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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