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2025-08-22 - 00:08
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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 Thu Aug 21, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt0-21swapper/007:52:520
81850rcu_preempt3-21ksoftirqd/010:15:160
81830rcu_preempt19-21ksoftirqd/109:32:431
81780rcu_preempt0-21swapper/112:40:541
81750rcu_preempt5604-21if_eth009:42:480
81740rcu_preempt25998-21sh09:21:531
81740rcu_preempt16012-21latency_hist11:02:291
81730rcu_preempt19993-21rm10:08:291
81720rcu_preempt0-21swapper/007:47:550
81710rcu_preempt13774-21diskstats10:57:451
81710rcu_preempt0-21swapper/007:37:450
81700rcu_preempt0-21swapper/111:39:161
81700rcu_preempt0-21swapper/011:42:490
81700rcu_preempt0-21swapper/010:37:100
81700rcu_preempt0-21swapper/007:57:450
81690rcu_preempt22635-21ssh09:15:191
81690rcu_preempt13322-21diskstats11:57:450
81690rcu_preempt0-21swapper/111:46:151
81690rcu_preempt0-21swapper/110:03:061
81690rcu_preempt0-21swapper/109:51:171
81690rcu_preempt0-21swapper/109:37:501
81680rcu_preempt6876-21df_abs08:17:451
81680rcu_preempt20446-21diskmemload11:11:200
81680rcu_preempt0-21swapper/110:54:031
81680rcu_preempt0-21swapper/110:40:151
81680rcu_preempt0-21swapper/110:00:111
81680rcu_preempt0-21swapper/012:11:110
81670rcu_preempt31456-21ssh09:31:441
81670rcu_preempt29548-21ssh11:27:460
81670rcu_preempt12701-21switchtime08:37:550
81670rcu_preempt0-21swapper/111:25:321
81670rcu_preempt0-21swapper/107:12:001
81670rcu_preempt0-21swapper/010:01:190
81660rcu_preempt0-21swapper/112:01:151
81660rcu_preempt0-21swapper/111:17:441
81660rcu_preempt0-21swapper/111:17:441
81650rcu_preempt0-21swapper/112:36:461
81650rcu_preempt0-21swapper/112:28:161
81650rcu_preempt0-21swapper/110:44:301
81650rcu_preempt0-21swapper/109:07:441
81650rcu_preempt0-21swapper/108:07:491
81650rcu_preempt0-21swapper/011:17:440
81650rcu_preempt0-21swapper/011:17:440
81650rcu_preempt0-21swapper/007:09:510
141250650irq/30-eth0-tx-30918-21ssh10:28:081
81640rcu_preempt31377-21uptime07:42:571
81640rcu_preempt23157-21munin-run12:17:290
81640rcu_preempt2132-21if_wlan007:57:481
81640rcu_preempt0-21swapper/112:18:391
81640rcu_preempt0-21swapper/112:15:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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