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2024-05-27 - 17:32
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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 50 highest latencies:
System rackcslot3.osadl.org (updated Mon May 27, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811000rcu_preempt0-21swapper/100:34:321
81820rcu_preempt17812-21grep23:44:371
81790rcu_preempt19-21ksoftirqd/123:17:141
81730rcu_preempt19600-21sendmail_mailqu20:04:180
81720rcu_preempt7910-21diskmemload22:02:540
81710rcu_preempt0-21swapper/023:54:270
81710rcu_preempt0-21swapper/023:19:120
81710rcu_preempt0-21swapper/022:27:180
81710rcu_preempt0-21swapper/000:39:270
81700rcu_preempt31403-21ssh00:10:180
81700rcu_preempt0-21swapper/023:26:450
81700rcu_preempt0-21swapper/021:14:220
81700rcu_preempt0-21swapper/019:56:070
81690rcu_preempt0-21swapper/000:35:110
81680rcu_preempt0-21swapper/022:12:270
81670rcu_preempt2142-21ssh22:15:140
81670rcu_preempt19183-21ssh21:48:580
81670rcu_preempt0-21swapper/022:31:510
81670rcu_preempt0-21swapper/022:31:510
81670rcu_preempt0-21swapper/021:34:360
81670rcu_preempt0-21swapper/000:30:340
81670rcu_preempt0-21swapper/000:23:430
81650rcu_preempt20341-21sh00:50:230
81650rcu_preempt11813-21fw_forwarded_lo22:34:080
81650rcu_preempt0-21swapper/119:28:121
81650rcu_preempt0-21swapper/119:28:121
81640rcu_preempt0-21swapper/023:35:160
81640rcu_preempt0-21swapper/021:33:320
81630rcu_preempt0-21swapper/022:54:230
81630rcu_preempt0-21swapper/019:24:130
81630rcu_preempt0-21swapper/019:24:130
81630rcu_preempt0-21swapper/000:03:480
89950620irq/17-ehci_hcd23535-21ssh00:56:461
89950620irq/17-ehci_hcd181ktimersoftd/121:41:391
81620rcu_preempt31513-21ssh23:09:271
81620rcu_preempt19-21ksoftirqd/100:03:011
81620rcu_preempt0-21swapper/123:28:351
81620rcu_preempt0-21swapper/023:08:380
81620rcu_preempt0-21swapper/021:47:160
81620rcu_preempt0-21swapper/020:55:280
81620rcu_preempt0-21swapper/000:14:290
81610rcu_preempt32403-21ssh22:12:181
81610rcu_preempt26191-21ssh23:00:041
81610rcu_preempt0-21swapper/122:38:111
81610rcu_preempt0-21swapper/122:00:071
81610rcu_preempt0-21swapper/121:47:321
81610rcu_preempt0-21swapper/121:30:541
81600rcu_preempt23435-21ssh23:55:331
81600rcu_preempt20919-21ssh23:50:431
81600rcu_preempt17595-21ssh00:44:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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