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2025-05-24 - 11:28
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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 Sat May 24, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81820rcu_preempt26464-21cpuspeed_turbos22:40:051
81810rcu_preempt18144-21latency_hist23:24:481
81810rcu_preempt0-21swapper/119:19:581
81800rcu_preempt31930-21df_abs22:50:051
81800rcu_preempt19-21ksoftirqd/121:18:091
151050800irq/28-eth0-rx-12627-21kworker/1:119:11:361
81780rcu_preempt19-21ksoftirqd/121:57:181
81780rcu_preempt0-21swapper/123:56:101
81780rcu_preempt0-21swapper/123:03:101
81780rcu_preempt0-21swapper/100:09:521
81750rcu_preempt29984-21users21:45:181
81750rcu_preempt23761-21df_abs22:35:031
81750rcu_preempt16983-21/usr/sbin/munin19:25:081
81740rcu_preempt7243-21munin-run00:04:471
81740rcu_preempt16707-21timerwakeupswit23:20:151
81730rcu_preempt17590-21sh22:23:121
81730rcu_preempt0-21swapper/121:00:031
81720rcu_preempt0-21swapper/123:32:251
81720rcu_preempt0-21swapper/121:30:111
81720rcu_preempt0-21swapper/120:05:031
81710rcu_preempt19331-21ssh21:26:261
81710rcu_preempt19-21ksoftirqd/100:34:221
81710rcu_preempt0-21swapper/123:15:051
81710rcu_preempt0-21swapper/121:42:391
81710rcu_preempt0-21swapper/120:30:061
81710rcu_preempt0-21swapper/100:35:111
81700rcu_preempt23980-21munin-run19:54:471
81700rcu_preempt0-21swapper/123:48:491
81700rcu_preempt0-21swapper/119:14:481
81690rcu_preempt0-21swapper/122:55:171
81690rcu_preempt0-21swapper/122:27:381
81690rcu_preempt0-21swapper/122:17:091
81690rcu_preempt0-21swapper/122:05:051
81690rcu_preempt0-21swapper/121:38:251
81680rcu_preempt0-21swapper/123:09:031
81680rcu_preempt0-21swapper/122:45:281
81680rcu_preempt0-21swapper/119:40:081
81670rcu_preempt28626-21grep20:10:091
81670rcu_preempt0-21swapper/122:02:001
81660rcu_preempt0-21swapper/100:43:011
81650rcu_preempt2693-21sendmail_mailst20:35:131
81650rcu_preempt19765-21netstat19:35:061
81650rcu_preempt19-21ksoftirqd/100:04:481
81650rcu_preempt0-21swapper/120:20:131
81650rcu_preempt0-21swapper/100:20:041
81650rcu_preempt0-21swapper/100:17:081
81640rcu_preempt12399-21rm22:14:161
81630rcu_preempt19-21ksoftirqd/123:40:001
81630rcu_preempt1093-21ssh23:52:211
81630rcu_preempt0-21swapper/121:08:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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