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2024-11-22 - 11:00
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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 Fri Nov 22, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811090rcu_preempt3-21ksoftirqd/021:56:400
81740rcu_preempt0-21swapper/119:11:431
81730rcu_preempt7786-21/usr/sbin/munin22:01:420
81720rcu_preempt0-21swapper/120:26:341
81700rcu_preempt19583-21idleruntime-cro00:16:181
81700rcu_preempt19191-21mailstats21:26:421
81700rcu_preempt0-21swapper/120:06:361
81700rcu_preempt0-21swapper/023:46:310
81700rcu_preempt0-21swapper/023:41:390
81700rcu_preempt0-21swapper/022:37:500
81690rcu_preempt2886-1kworker/0:0H00:32:070
81690rcu_preempt2253-21ssh21:52:411
81690rcu_preempt13101-21ssh00:03:551
81690rcu_preempt11891-21diskmemload23:16:281
81690rcu_preempt0-21swapper/123:00:261
81690rcu_preempt0-21swapper/123:00:261
81690rcu_preempt0-21swapper/100:25:251
81690rcu_preempt0-21swapper/023:04:430
81680rcu_preempt22153-21uname22:26:391
81680rcu_preempt16583-21ssh21:22:191
81680rcu_preempt0-21swapper/121:58:181
81670rcu_preempt16950-21sh21:23:220
81670rcu_preempt11891-21diskmemload21:16:321
81670rcu_preempt0-21swapper/123:56:421
81670rcu_preempt0-21swapper/123:55:061
81670rcu_preempt0-21swapper/120:53:351
81670rcu_preempt0-21swapper/023:32:320
81660rcu_preempt5531-21ssh22:54:001
81660rcu_preempt18484-21ssh21:26:320
81660rcu_preempt0-21swapper/123:30:351
81660rcu_preempt0-21swapper/122:03:141
81660rcu_preempt0-21swapper/100:44:581
81660rcu_preempt0-21swapper/100:40:221
81660rcu_preempt0-21swapper/022:45:350
81650rcu_preempt32527-21ssh23:40:431
81650rcu_preempt30278-21apt-get21:46:281
81650rcu_preempt29271-21/usr/sbin/munin20:16:401
81650rcu_preempt14231-21cpuspeed00:06:301
81650rcu_preempt0-21swapper/123:45:261
81650rcu_preempt0-21swapper/123:22:561
81650rcu_preempt0-21swapper/123:02:301
81650rcu_preempt0-21swapper/122:42:471
81650rcu_preempt0-21swapper/121:45:091
81650rcu_preempt0-21swapper/121:36:451
81650rcu_preempt0-21swapper/100:36:121
81650rcu_preempt0-21swapper/100:18:001
81650rcu_preempt0-21swapper/022:50:170
81650rcu_preempt0-21swapper/022:22:310
81650rcu_preempt0-21swapper/000:21:420
81640rcu_preempt0-21swapper/123:46:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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