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2024-04-26 - 06:37
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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 Apr 26, 2024 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81750rcu_preempt26888-21ssh21:49:341
81750rcu_preempt16171-21munin-run22:34:221
81740rcu_preempt27363-21/usr/sbin/munin20:04:431
81730rcu_preempt7082-21ssh22:14:391
81730rcu_preempt31437-21rm00:14:021
81730rcu_preempt29367-21ssh21:54:310
81730rcu_preempt24970-21sh22:51:181
81730rcu_preempt2316-21latency00:19:451
141950730irq/29-eth0-rx-12153-21ssh00:42:371
81710rcu_preempt14323-21ssh23:37:141
81710rcu_preempt1203-21ssh22:02:441
81710rcu_preempt0-21swapper/023:24:410
81700rcu_preempt0-21swapper/000:34:440
81700rcu_preempt0-21swapper/000:34:230
81690rcu_preempt0-21swapper/120:34:381
81690rcu_preempt0-21swapper/019:24:420
81680rcu_preempt0-21swapper/123:14:181
81680rcu_preempt0-21swapper/122:34:421
81680rcu_preempt0-21swapper/121:25:061
81680rcu_preempt0-21swapper/021:36:580
81670rcu_preempt15186-21ssh00:49:350
81670rcu_preempt0-21swapper/123:18:221
81670rcu_preempt0-21swapper/121:44:271
81670rcu_preempt0-21swapper/100:39:221
81670rcu_preempt0-21swapper/100:01:501
81670rcu_preempt0-21swapper/023:47:480
81670rcu_preempt0-21swapper/000:08:160
81660rcu_preempt8420-21ssh22:16:490
81660rcu_preempt17195-21ssh00:53:481
81660rcu_preempt12784-21ssh22:25:171
81660rcu_preempt0-21swapper/123:33:111
81660rcu_preempt0-21swapper/122:56:491
81660rcu_preempt0-21swapper/121:20:071
81650rcu_preempt12035-21/usr/sbin/munin21:14:451
81650rcu_preempt0-21swapper/123:40:571
81650rcu_preempt0-21swapper/121:39:431
81650rcu_preempt0-21swapper/023:37:120
81650rcu_preempt0-21swapper/021:25:330
81650rcu_preempt0-21swapper/020:49:510
81640rcu_preempt28325-21ssh00:05:441
81640rcu_preempt21869-21df_abs19:44:340
81640rcu_preempt0-21swapper/119:19:361
81640rcu_preempt0-21swapper/023:34:130
81640rcu_preempt0-21swapper/022:59:390
81640rcu_preempt0-21swapper/022:49:440
81640rcu_preempt0-21swapper/022:49:180
81640rcu_preempt0-21swapper/000:44:390
89950630irq/17-ehci_hcd5971-21cpu00:29:341
81630rcu_preempt9734-21ssh23:27:571
81630rcu_preempt0-21swapper/021:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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