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2025-11-22 - 15:08
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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 100 highest latencies:
System rackcslot3.osadl.org (updated Sat Nov 22, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
90050740irq/17-ehci_hcd946-21usb-storage23:15:151
81730rcu_preempt0-21swapper/119:06:111
90050690irq/17-ehci_hcd17829-21ssh21:32:180
81690rcu_preempt4827-21diskmemload22:30:000
81690rcu_preempt0-21swapper/023:28:500
81690rcu_preempt0-21swapper/021:15:120
81680rcu_preempt0-21swapper/021:45:090
81670rcu_preempt0-21swapper/121:33:161
81670rcu_preempt0-21swapper/100:25:541
151450670irq/28-eth0-rx-0-21swapper/000:38:300
81660rcu_preempt0-21swapper/121:50:081
81660rcu_preempt0-21swapper/021:29:160
81660rcu_preempt0-21swapper/000:24:510
81650rcu_preempt0-21swapper/123:46:211
81650rcu_preempt0-21swapper/123:46:211
81650rcu_preempt0-21swapper/121:26:581
81650rcu_preempt0-21swapper/121:23:471
81650rcu_preempt0-21swapper/100:19:251
81640rcu_preempt10793-21ssh23:20:120
81640rcu_preempt0-21swapper/121:41:511
81630rcu_preempt32617-21if_can120:50:080
81630rcu_preempt17276-21df_abs00:35:081
81630rcu_preempt0-21swapper/122:50:111
81630rcu_preempt0-21swapper/122:35:031
81630rcu_preempt0-21swapper/121:45:151
81630rcu_preempt0-21swapper/100:02:021
81620rcu_preempt32239-21ssh23:00:121
81620rcu_preempt25631-21ssh22:47:151
81620rcu_preempt0-21swapper/023:43:450
81620rcu_preempt0-21swapper/022:50:130
81620rcu_preempt0-21swapper/022:35:180
90050610irq/17-ehci_hcd17472-21ssh23:32:461
81610rcu_preempt22829-21ssh22:41:401
81610rcu_preempt0-21swapper/123:28:491
81610rcu_preempt0-21swapper/121:56:071
81610rcu_preempt0-21swapper/023:05:170
81610rcu_preempt0-21swapper/021:50:520
81610rcu_preempt0-21swapper/021:39:520
81600rcu_preempt9802-21ssh21:17:471
81600rcu_preempt6144-21ssh00:14:431
81600rcu_preempt27560-21ssh23:51:061
81600rcu_preempt2470-21cpu21:00:061
81600rcu_preempt19872-21ssh23:37:081
81600rcu_preempt0-21swapper/122:57:121
81600rcu_preempt0-21swapper/122:04:271
81600rcu_preempt0-21swapper/120:53:201
81600rcu_preempt0-21swapper/100:32:091
81600rcu_preempt0-21swapper/100:09:131
81600rcu_preempt0-21swapper/021:44:520
81600rcu_preempt0-21swapper/019:46:340
81590rcu_preempt6627-21ssh21:11:391
81590rcu_preempt32020-21munin-run21:59:520
81590rcu_preempt17435-21ssh22:31:281
81590rcu_preempt1669-21latency20:55:121
81590rcu_preempt0-21swapper/123:57:041
81590rcu_preempt0-21swapper/123:24:211
81590rcu_preempt0-21swapper/122:28:421
81590rcu_preempt0-21swapper/023:15:170
81590rcu_preempt0-21swapper/022:09:470
81590rcu_preempt0-21swapper/021:24:110
81590rcu_preempt0-21swapper/020:01:020
81580rcu_preempt2046-21ssh23:05:031
81580rcu_preempt1948-21ssh22:03:480
81580rcu_preempt0-21swapper/123:41:391
81580rcu_preempt0-21swapper/123:12:551
81580rcu_preempt0-21swapper/120:30:091
81580rcu_preempt0-21swapper/119:20:191
81580rcu_preempt0-21swapper/100:24:201
81580rcu_preempt0-21swapper/022:40:130
81580rcu_preempt0-21swapper/000:04:520
81570rcu_preempt9987-21ssh22:18:301
81570rcu_preempt6597-21ssh21:11:330
81570rcu_preempt4190-21ssh22:07:241
81570rcu_preempt20411-21ssh23:39:130
81570rcu_preempt12145-21ssh22:21:560
81570rcu_preempt0-21swapper/122:22:181
81570rcu_preempt0-21swapper/122:11:561
81570rcu_preempt0-21swapper/121:37:311
81570rcu_preempt0-21swapper/120:19:001
81570rcu_preempt0-21swapper/119:15:181
81570rcu_preempt0-21swapper/020:38:390
81570rcu_preempt0-21swapper/020:38:390
81570rcu_preempt0-21swapper/019:05:010
81560rcu_preempt30754-21ssh22:56:380
81560rcu_preempt0-21swapper/120:37:051
81560rcu_preempt0-21swapper/120:37:051
81560rcu_preempt0-21swapper/119:55:161
81560rcu_preempt0-21swapper/119:40:351
81560rcu_preempt0-21swapper/119:35:471
81560rcu_preempt0-21swapper/119:25:471
81560rcu_preempt0-21swapper/023:58:220
81560rcu_preempt0-21swapper/022:45:000
81560rcu_preempt0-21swapper/022:18:200
81560rcu_preempt0-21swapper/020:55:100
81560rcu_preempt0-21swapper/020:17:210
81560rcu_preempt0-21swapper/019:42:200
81550rcu_preempt7592-21ssh00:15:510
81550rcu_preempt27556-21ssh23:51:050
81550rcu_preempt0-21swapper/120:49:071
81550rcu_preempt0-21swapper/120:49:071
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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