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2024-06-17 - 00:03
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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 rackcslot3.osadl.org (updated Sun Jun 16, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81740rcu_preempt8073-21rm00:10:510
81720rcu_preempt8618-21diskmemload22:32:240
81710rcu_preempt3794-21ps23:00:520
81710rcu_preempt32136-21sh22:54:190
81710rcu_preempt12534-21ps21:15:490
81710rcu_preempt0-21swapper/123:00:501
81710rcu_preempt0-21swapper/021:25:510
81700rcu_preempt18154-21sh23:28:440
81700rcu_preempt0-21swapper/023:40:410
81700rcu_preempt0-21swapper/023:30:470
81700rcu_preempt0-21swapper/000:16:460
81690rcu_preempt24754-21sh21:39:350
81690rcu_preempt2256-21snmpd23:22:050
81690rcu_preempt0-21swapper/100:05:561
89950680irq/17-ehci_hcd945-21usb-storage19:12:580
81680rcu_preempt13637-21ssh22:18:590
81680rcu_preempt0-21swapper/122:18:411
81670rcu_preempt8749-21rm22:10:290
81670rcu_preempt0-21swapper/023:11:030
81670rcu_preempt0-21swapper/022:26:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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