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2025-11-24 - 09:27
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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 Mon Nov 24, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81790rcu_preempt24096-21munin-run23:59:521
81690rcu_preempt32247-21sh22:11:560
81690rcu_preempt1716-21uname19:15:090
81690rcu_preempt0-21swapper/021:05:070
81690rcu_preempt0-21swapper/000:03:160
81680rcu_preempt16304-21sh21:42:010
81680rcu_preempt12632-21/usr/sbin/munin20:00:170
81670rcu_preempt32235-21cyclictest19:09:521
81670rcu_preempt0-21swapper/123:33:261
81670rcu_preempt0-21swapper/019:25:060
81650rcu_preempt10116-21/usr/sbin/munin00:34:510
81650rcu_preempt0-21swapper/122:16:421
81650rcu_preempt0-21swapper/122:12:341
81650rcu_preempt0-21swapper/100:23:171
81650rcu_preempt0-21swapper/023:49:150
81640rcu_preempt0-21swapper/122:20:221
81640rcu_preempt0-21swapper/121:59:451
81640rcu_preempt0-21swapper/121:39:541
81640rcu_preempt0-21swapper/121:18:421
81640rcu_preempt0-21swapper/023:52:150
81640rcu_preempt0-21swapper/022:06:500
81640rcu_preempt0-21swapper/021:12:220
81630rcu_preempt30182-21ssh23:10:041
81630rcu_preempt0-21swapper/123:49:541
81630rcu_preempt0-21swapper/123:39:111
81630rcu_preempt0-21swapper/121:45:091
81630rcu_preempt0-21swapper/023:20:200
151450630irq/28-eth0-rx-181ktimersoftd/100:33:031
81620rcu_preempt0-21swapper/122:06:591
81620rcu_preempt0-21swapper/121:31:111
81620rcu_preempt0-21swapper/119:15:141
81620rcu_preempt0-21swapper/100:10:211
81620rcu_preempt0-21swapper/023:36:060
81620rcu_preempt0-21swapper/020:20:140
81620rcu_preempt0-21swapper/020:20:140
81620rcu_preempt0-21swapper/000:12:280
81610rcu_preempt29972-21ssh23:09:511
81610rcu_preempt26245-21ssh23:00:591
81610rcu_preempt26082-21ssh00:02:281
81610rcu_preempt22922-21memory22:55:120
81610rcu_preempt15079-21ssh23:41:091
81610rcu_preempt0-21swapper/123:47:171
81610rcu_preempt0-21swapper/120:21:511
81610rcu_preempt0-21swapper/120:21:511
81610rcu_preempt0-21swapper/023:58:500
81600rcu_preempt8906-1kworker/0:0H20:31:320
81600rcu_preempt3057-21ssh23:20:011
81600rcu_preempt0-21swapper/123:25:111
81600rcu_preempt0-21swapper/123:15:071
81600rcu_preempt0-21swapper/123:15:071
81600rcu_preempt0-21swapper/122:54:181
81600rcu_preempt0-21swapper/121:49:521
81600rcu_preempt0-21swapper/119:10:171
81600rcu_preempt0-21swapper/022:04:120
81600rcu_preempt0-21swapper/019:50:060
81590rcu_preempt7817-21ssh21:26:151
81590rcu_preempt7577-21ssh22:26:011
81590rcu_preempt32663-21ssh21:13:381
81590rcu_preempt26952-21ssh00:04:531
81590rcu_preempt13001-21ssh21:35:281
81590rcu_preempt11565-21ssh22:34:541
81590rcu_preempt10940-21ssh22:33:131
81590rcu_preempt0-21swapper/120:05:111
81590rcu_preempt0-21swapper/000:35:100
81580rcu_preempt3689-21ssh21:19:531
81580rcu_preempt26152-21mailstats20:50:161
81580rcu_preempt16154-21ssh22:42:511
81580rcu_preempt0-21swapper/122:55:171
81580rcu_preempt0-21swapper/122:48:351
81580rcu_preempt0-21swapper/122:00:111
81580rcu_preempt0-21swapper/120:30:141
81580rcu_preempt0-21swapper/120:10:111
81580rcu_preempt0-21swapper/119:35:391
81570rcu_preempt11614-21munin-run21:34:510
81570rcu_preempt11438-21users00:35:181
81570rcu_preempt0-21swapper/121:04:321
81570rcu_preempt0-21swapper/100:28:201
81570rcu_preempt0-21swapper/023:33:300
81570rcu_preempt0-21swapper/021:57:060
81570rcu_preempt0-21swapper/021:44:550
81570rcu_preempt0-21swapper/021:36:010
81570rcu_preempt0-21swapper/021:26:230
81570rcu_preempt0-21swapper/021:23:390
81570rcu_preempt0-21swapper/019:04:540
81570rcu_preempt0-21swapper/000:25:240
81570rcu_preempt0-21swapper/000:06:000
81560rcu_preempt32544-21ssh23:14:230
81560rcu_preempt2204-21ssh21:15:520
81560rcu_preempt1821-21ssh00:19:080
81560rcu_preempt0-21swapper/121:05:141
81560rcu_preempt0-21swapper/120:56:381
81560rcu_preempt0-21swapper/120:16:241
81560rcu_preempt0-21swapper/120:16:241
81560rcu_preempt0-21swapper/100:18:421
81560rcu_preempt0-21swapper/023:00:110
81560rcu_preempt0-21swapper/022:52:450
81560rcu_preempt0-21swapper/022:40:110
81560rcu_preempt0-21swapper/022:29:190
81560rcu_preempt0-21swapper/022:20:130
81560rcu_preempt0-21swapper/019:20:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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