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2026-04-04 - 19:49
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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 Sat Apr 04, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81710rcu_preempt0-21swapper/011:52:440
81710rcu_preempt0-21swapper/010:12:380
147950710irq/31-eth0-tx-945-21usb-storage12:19:171
81700rcu_preempt0-21swapper/109:00:291
81700rcu_preempt0-21swapper/012:44:310
81700rcu_preempt0-21swapper/012:12:480
81700rcu_preempt0-21swapper/011:43:000
81700rcu_preempt0-21swapper/010:45:160
81690rcu_preempt11374-21ssh09:58:001
81690rcu_preempt0-21swapper/112:10:281
81690rcu_preempt0-21swapper/010:35:530
81680rcu_preempt5551-21tr08:15:160
81680rcu_preempt11969-21diskstats08:40:170
81680rcu_preempt0-21swapper/110:05:501
81670rcu_preempt0-21swapper/110:53:331
81670rcu_preempt0-21swapper/010:34:560
81660rcu_preempt4804-21ssh10:47:111
81660rcu_preempt0-21swapper/107:10:221
81660rcu_preempt0-21swapper/011:25:100
81660rcu_preempt0-21swapper/009:26:320
81650rcu_preempt22237-21idleruntime-cro10:20:030
81650rcu_preempt0-21swapper/107:15:171
81640rcu_preempt22026-21ssh10:19:121
81640rcu_preempt0-21swapper/112:31:521
81640rcu_preempt0-21swapper/111:13:161
81640rcu_preempt0-21swapper/107:20:211
81640rcu_preempt0-21swapper/012:15:170
81640rcu_preempt0-21swapper/009:02:350
89850630irq/17-ehci_hcd945-21usb-storage12:28:371
81630rcu_preempt0-21swapper/010:41:160
81630rcu_preempt0-21swapper/010:41:160
81630rcu_preempt0-21swapper/009:39:120
81630rcu_preempt0-21swapper/008:20:190
147650630irq/28-eth0-rx-9612-21ssh12:00:020
81620rcu_preempt2251-21ssh11:45:201
81620rcu_preempt22172-21ssh12:23:431
81620rcu_preempt21785-21irqstats07:10:230
81620rcu_preempt10490-21ssh10:59:191
81620rcu_preempt0-21swapper/111:55:311
81620rcu_preempt0-21swapper/110:31:101
81620rcu_preempt0-21swapper/109:42:381
81620rcu_preempt0-21swapper/109:33:031
81620rcu_preempt0-21swapper/010:29:140
81620rcu_preempt0-21swapper/009:40:410
81620rcu_preempt0-21swapper/009:05:130
81610rcu_preempt32676-21ps11:40:261
81610rcu_preempt27792-21sort12:35:040
81610rcu_preempt25244-21ssh09:22:381
81610rcu_preempt2106-21ssh10:42:051
81610rcu_preempt2106-21ssh10:42:051
81610rcu_preempt16630-21idleruntime-cro09:00:020
81610rcu_preempt14608-21ssh12:09:131
81610rcu_preempt14341-21ssh10:04:310
81610rcu_preempt12119-21ssh12:04:571
81610rcu_preempt0-21swapper/111:50:211
81610rcu_preempt0-21swapper/109:49:221
81610rcu_preempt0-21swapper/109:38:261
81600rcu_preempt29391-21ssh12:36:381
81600rcu_preempt20833-21ssh11:18:541
81600rcu_preempt0-21swapper/111:05:221
81600rcu_preempt0-21swapper/110:25:171
81600rcu_preempt0-21swapper/108:50:221
81600rcu_preempt0-21swapper/012:32:380
81600rcu_preempt0-21swapper/012:00:570
81600rcu_preempt0-21swapper/011:25:030
89850590irq/17-ehci_hcd945-21usb-storage10:36:181
89850590irq/17-ehci_hcd945-21usb-storage10:20:221
81590rcu_preempt8649-21ssh09:52:501
81590rcu_preempt6394-21ssh09:49:130
81590rcu_preempt32755-21ssh12:44:091
81590rcu_preempt17672-21ssh10:10:211
81590rcu_preempt0-21swapper/111:37:141
81590rcu_preempt0-21swapper/111:34:001
81590rcu_preempt0-21swapper/110:04:201
81590rcu_preempt0-21swapper/109:05:161
81590rcu_preempt0-21swapper/108:55:211
81590rcu_preempt0-21swapper/008:10:170
81580rcu_preempt28765-21munin-run07:40:020
81580rcu_preempt27502-21munin-run07:35:020
81580rcu_preempt25159-21ssh09:22:210
81580rcu_preempt24879-21idleruntime-cro10:25:030
81580rcu_preempt22173-21ssh09:16:431
81580rcu_preempt21925-21ssh09:15:560
81580rcu_preempt20424-21diskmemload12:24:590
81580rcu_preempt17597-21ssh11:11:470
81580rcu_preempt11860-21switchtime11:00:300
81580rcu_preempt0-21swapper/109:25:191
81580rcu_preempt0-21swapper/109:10:261
81580rcu_preempt0-21swapper/108:15:531
81580rcu_preempt0-21swapper/107:34:401
81580rcu_preempt0-21swapper/011:36:020
81580rcu_preempt0-21swapper/010:57:590
81580rcu_preempt0-21swapper/009:10:250
81580rcu_preempt0-21swapper/007:55:140
81580rcu_preempt0-21swapper/007:55:140
81570rcu_preempt8507-21ssh09:52:190
81570rcu_preempt30254-21ssh09:32:030
81570rcu_preempt15694-21ssh11:09:150
81570rcu_preempt0-21swapper/111:20:241
81570rcu_preempt0-21swapper/111:02:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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