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2023-10-03 - 22:20
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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 Tue Oct 03, 2023 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt17604-21switchtime07:08:301
81720rcu_preempt20824-21munin-run09:32:580
81720rcu_preempt0-21swapper/012:08:220
81700rcu_preempt0-21swapper/012:17:590
81700rcu_preempt0-21swapper/007:28:210
81690rcu_preempt0-21swapper/010:28:310
81670rcu_preempt26017-21munin-run09:52:580
81660rcu_preempt16061-21fw_conntrack09:13:211
81660rcu_preempt0-21swapper/112:08:281
81650rcu_preempt0-21swapper/110:07:281
81650rcu_preempt0-21swapper/109:42:381
81650rcu_preempt0-21swapper/109:32:541
81640rcu_preempt30011-21ntpdc07:58:270
81640rcu_preempt0-21swapper/112:18:251
81640rcu_preempt0-21swapper/111:38:261
81640rcu_preempt0-21swapper/110:38:221
81640rcu_preempt0-21swapper/110:23:261
81640rcu_preempt0-21swapper/108:08:201
81640rcu_preempt0-21swapper/107:29:461
81640rcu_preempt0-21swapper/010:45:300
81630rcu_preempt0-21swapper/110:45:101
81630rcu_preempt0-21swapper/109:58:111
81630rcu_preempt0-21swapper/109:44:351
81630rcu_preempt0-21swapper/108:48:191
81630rcu_preempt0-21swapper/108:43:011
81630rcu_preempt0-21swapper/009:44:550
81620rcu_preempt24186-21ps11:48:301
81620rcu_preempt20473-21/usr/sbin/munin07:23:210
81620rcu_preempt0-21swapper/111:45:441
81620rcu_preempt0-21swapper/110:19:051
81620rcu_preempt0-21swapper/109:22:561
81610rcu_preempt0-21swapper/112:33:281
81610rcu_preempt0-21swapper/112:27:311
81610rcu_preempt0-21swapper/110:48:331
81610rcu_preempt0-21swapper/008:22:490
81600rcu_preempt30567-21kworker/0:107:08:230
81600rcu_preempt1950-21/usr/sbin/munin08:18:251
81600rcu_preempt1770-21users08:13:381
81600rcu_preempt10313-21ssh10:54:331
81600rcu_preempt0-21swapper/011:43:370
81590rcu_preempt4332-21fw_conntrack10:33:251
81590rcu_preempt30961-21ssh12:16:541
81590rcu_preempt20626-21ssh11:37:141
81590rcu_preempt0-21swapper/112:38:261
81590rcu_preempt0-21swapper/012:38:370
81590rcu_preempt0-21swapper/010:53:340
81590rcu_preempt0-21swapper/007:52:580
81580rcu_preempt0-21swapper/112:03:201
81580rcu_preempt0-21swapper/111:30:381
81580rcu_preempt0-21swapper/111:26:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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