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2026-03-29 - 08:28
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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 100 highest latencies:
System rackcslot3.osadl.org (updated Sun Mar 29, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81830rcu_preempt0-21swapper/019:10:120
81740rcu_preempt686-21ssh22:15:490
81730rcu_preempt2251-21sh21:18:020
81730rcu_preempt2251-21sh21:18:020
81720rcu_preempt32761-21ssh00:23:270
81710rcu_preempt25904-21ssh22:03:020
81710rcu_preempt21200-21ssh23:59:400
81710rcu_preempt12489-21ssh23:40:540
81710rcu_preempt0-21swapper/123:19:591
81710rcu_preempt0-21swapper/119:20:011
81710rcu_preempt0-21swapper/119:10:051
81700rcu_preempt7269-21ssh21:26:310
81700rcu_preempt22669-21fw_conntrack20:35:010
81700rcu_preempt10328-21sh21:33:331
81700rcu_preempt0-21swapper/021:56:060
81700rcu_preempt0-21swapper/021:29:590
81700rcu_preempt0-21swapper/020:15:040
81690rcu_preempt14922-1kworker/0:0H23:21:510
81690rcu_preempt0-21swapper/121:51:011
81680rcu_preempt29689-21irqstats22:10:050
81680rcu_preempt0-21swapper/122:47:401
81680rcu_preempt0-21swapper/022:07:310
81670rcu_preempt26219-21proc_pri23:05:101
81670rcu_preempt23155-21ssh21:57:141
81670rcu_preempt22402-21apt-get20:34:571
81670rcu_preempt0-21swapper/121:22:561
81670rcu_preempt0-21swapper/100:22:561
81660rcu_preempt0-21swapper/100:09:481
81660rcu_preempt0-21swapper/100:02:381
81650rcu_preempt25064-21cpuspeed_turbos20:44:591
81640rcu_preempt16368-21df_abs21:44:590
81640rcu_preempt0-21swapper/123:28:421
81630rcu_preempt30401-21ssh23:14:481
81630rcu_preempt0-21swapper/122:30:071
81630rcu_preempt0-21swapper/122:18:581
81630rcu_preempt0-21swapper/121:29:091
81630rcu_preempt0-21swapper/121:01:411
81630rcu_preempt0-21swapper/120:34:331
81630rcu_preempt0-21swapper/021:37:080
81630rcu_preempt0-21swapper/000:42:280
81630rcu_preempt0-21swapper/000:35:030
81620rcu_preempt2019-21cpu22:19:591
81620rcu_preempt0-21swapper/123:50:111
81620rcu_preempt0-21swapper/123:45:111
81620rcu_preempt0-21swapper/121:15:581
81620rcu_preempt0-21swapper/121:15:581
81620rcu_preempt0-21swapper/120:15:021
81620rcu_preempt0-21swapper/100:16:541
81620rcu_preempt0-21swapper/100:05:021
81620rcu_preempt0-21swapper/022:51:490
81620rcu_preempt0-21swapper/022:45:040
81620rcu_preempt0-21swapper/021:20:180
81620rcu_preempt0-21swapper/020:00:140
81610rcu_preempt30043-21ssh00:17:530
81610rcu_preempt14675-21munin-run20:04:451
81610rcu_preempt10263-21if_err_eth122:35:031
81610rcu_preempt0-21swapper/121:49:131
81610rcu_preempt0-21swapper/119:30:031
81610rcu_preempt0-21swapper/022:25:040
81610rcu_preempt0-21swapper/022:20:080
81600rcu_preempt5812-21munin-run19:29:450
81600rcu_preempt4669-21ssh22:24:581
81600rcu_preempt31999-21sh23:16:400
81600rcu_preempt3100-21ssh00:28:261
81600rcu_preempt26057-21munin-run20:49:450
81600rcu_preempt2445-21if_can019:15:020
81600rcu_preempt0-21swapper/122:05:121
81600rcu_preempt0-21swapper/121:44:311
81600rcu_preempt0-21swapper/119:45:081
81600rcu_preempt0-21swapper/023:37:300
81600rcu_preempt0-21swapper/020:20:000
81590rcu_preempt7822-21ssh23:32:560
81590rcu_preempt32363-21diskmemload23:05:290
81590rcu_preempt32363-21diskmemload21:53:000
81590rcu_preempt20310-21ssh23:56:011
81590rcu_preempt14646-21ssh22:44:201
81590rcu_preempt11269-21ssh00:44:361
81590rcu_preempt0-21swapper/123:34:561
81590rcu_preempt0-21swapper/122:53:041
81590rcu_preempt0-21swapper/122:10:581
81590rcu_preempt0-21swapper/122:00:131
81590rcu_preempt0-21swapper/120:40:111
81590rcu_preempt0-21swapper/100:35:341
81590rcu_preempt0-21swapper/100:33:291
81590rcu_preempt0-21swapper/021:42:520
81580rcu_preempt9733-21latency_hist19:44:451
81580rcu_preempt6492-21sort19:30:060
81580rcu_preempt5357-21ssh00:31:560
81580rcu_preempt24227-21ssh23:01:361
81580rcu_preempt0-21swapper/123:30:221
81580rcu_preempt0-21swapper/123:12:541
81580rcu_preempt0-21swapper/122:55:101
81580rcu_preempt0-21swapper/119:36:191
81570rcu_preempt32363-21diskmemload00:27:350
81570rcu_preempt24333-21ssh23:02:010
81570rcu_preempt11651-21ssh22:37:490
81570rcu_preempt0-21swapper/121:06:171
81570rcu_preempt0-21swapper/120:55:051
81570rcu_preempt0-21swapper/022:57:540
81570rcu_preempt0-21swapper/021:04:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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