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2026-01-06 - 20:21
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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 highest latencies:
System rackcslot3.osadl.org (updated Tue Jan 06, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81740rcu_preempt30436-21latency_hist10:51:040
81730rcu_preempt5534-21ntp_states07:06:261
89850720irq/17-ehci_hcd4044-21diskmemload09:18:550
81710rcu_preempt21141-21/usr/sbin/munin12:26:200
81700rcu_preempt0-21swapper/007:16:260
81690rcu_preempt673-21sh10:55:330
81690rcu_preempt20806-21ssh12:25:400
81680rcu_preempt5938-21turbostat07:15:591
81670rcu_preempt0-21swapper/111:46:201
81670rcu_preempt0-21swapper/012:06:350
81660rcu_preempt11774-21missed_timers07:31:220
81660rcu_preempt0-21swapper/011:44:340
81660rcu_preempt0-21swapper/011:21:310
81660rcu_preempt0-21swapper/011:21:310
81650rcu_preempt28213-21df09:51:170
81650rcu_preempt27673-21/usr/sbin/munin08:36:271
81650rcu_preempt0-21swapper/010:39:260
81650rcu_preempt0-21swapper/009:34:510
81650rcu_preempt0-21swapper/007:24:580
81640rcu_preempt14667-21ssh12:15:101
81640rcu_preempt0-21swapper/112:06:521
81640rcu_preempt0-21swapper/109:12:461
81640rcu_preempt0-21swapper/007:36:230
81630rcu_preempt16006-21/usr/sbin/munin09:31:040
81630rcu_preempt0-21swapper/012:04:110
81620rcu_preempt9094-21ssh09:18:081
81620rcu_preempt5926-21ssh09:12:500
81620rcu_preempt27186-21sshd10:44:411
81620rcu_preempt0-21swapper/111:07:201
81620rcu_preempt0-21swapper/110:05:311
81620rcu_preempt0-21swapper/109:51:161
81620rcu_preempt0-21swapper/008:56:040
81620rcu_preempt0-21swapper/008:51:070
81620rcu_preempt0-21swapper/007:51:480
81610rcu_preempt2994-21ssh11:54:320
81610rcu_preempt27753-21sshd09:50:480
81610rcu_preempt0-21swapper/112:30:501
81610rcu_preempt0-21swapper/111:18:051
81610rcu_preempt0-21swapper/111:14:241
81610rcu_preempt0-21swapper/109:42:431
81610rcu_preempt0-21swapper/108:51:341
81610rcu_preempt0-21swapper/012:11:080
81610rcu_preempt0-21swapper/011:39:540
81610rcu_preempt0-21swapper/011:08:400
81600rcu_preempt9213-21ssh10:13:120
81600rcu_preempt4044-21diskmemload11:28:330
81600rcu_preempt4044-21diskmemload10:26:450
81600rcu_preempt28201-21ssh12:36:320
81600rcu_preempt25374-21ssh12:31:500
81600rcu_preempt22794-21cut09:41:250
81600rcu_preempt20946-21ssh10:33:550
81600rcu_preempt10352-21ssh10:16:170
81600rcu_preempt0-21swapper/112:22:501
81600rcu_preempt0-21swapper/109:22:101
81600rcu_preempt0-21swapper/108:26:261
81600rcu_preempt0-21swapper/108:11:291
81600rcu_preempt0-21swapper/011:56:230
81600rcu_preempt0-21swapper/011:47:040
81600rcu_preempt0-21swapper/011:12:450
81600rcu_preempt0-21swapper/010:59:020
81600rcu_preempt0-21swapper/010:06:370
81600rcu_preempt0-21swapper/009:38:590
81590rcu_preempt6566-21ssh10:09:001
81590rcu_preempt32288-21ssh09:56:530
81590rcu_preempt23314-21ssh11:33:040
81590rcu_preempt20029-21/usr/sbin/munin08:06:181
81590rcu_preempt0-21swapper/112:02:381
81590rcu_preempt0-21swapper/111:31:291
81590rcu_preempt0-21swapper/111:27:071
81590rcu_preempt0-21swapper/111:21:271
81590rcu_preempt0-21swapper/111:21:271
81590rcu_preempt0-21swapper/110:59:201
81590rcu_preempt0-21swapper/110:35:101
81590rcu_preempt0-21swapper/110:27:501
81590rcu_preempt0-21swapper/110:17:061
81590rcu_preempt0-21swapper/109:40:301
81590rcu_preempt0-21swapper/107:41:281
81590rcu_preempt0-21swapper/012:17:170
81590rcu_preempt0-21swapper/010:44:060
81590rcu_preempt0-21swapper/008:33:310
81590rcu_preempt0-21swapper/007:26:220
81580rcu_preempt9379-21ssh10:13:431
81580rcu_preempt0-21swapper/111:39:061
81580rcu_preempt0-21swapper/107:26:191
81580rcu_preempt0-21swapper/010:05:100
81580rcu_preempt0-21swapper/009:25:130
81580rcu_preempt0-21swapper/008:47:130
81570rcu_preempt31842-21ssh10:51:411
81570rcu_preempt29143-21ssh10:47:041
81570rcu_preempt27447-21if_err_eth112:36:221
81570rcu_preempt25574-21ssh12:32:261
81570rcu_preempt16403-21ssh12:16:391
81570rcu_preempt0-21swapper/111:43:491
81570rcu_preempt0-21swapper/111:02:051
81570rcu_preempt0-21swapper/110:39:391
81570rcu_preempt0-21swapper/109:57:181
81570rcu_preempt0-21swapper/108:56:171
81570rcu_preempt0-21swapper/011:02:140
81570rcu_preempt0-21swapper/010:21:210
81570rcu_preempt0-21swapper/008:01:480
81570rcu_preempt0-21swapper/007:59:480
81570rcu_preempt0-21swapper/007:14:530
81560rcu_preempt15552-21ssh11:21:010
81560rcu_preempt0-21swapper/111:56:061
81560rcu_preempt0-21swapper/110:23:591
81560rcu_preempt0-21swapper/109:48:351
81560rcu_preempt0-21swapper/109:31:111
81560rcu_preempt0-21swapper/109:04:411
81560rcu_preempt0-21swapper/008:23:180
81560rcu_preempt0-21swapper/008:16:210
81560rcu_preempt0-21swapper/008:09:480
81550rcu_preempt14944-21ssh09:28:091
81550rcu_preempt0-21swapper/108:31:251
81550rcu_preempt0-21swapper/108:21:211
81550rcu_preempt0-21swapper/008:42:290
81550rcu_preempt0-21swapper/007:50:290
81540rcu_preempt24471-21kworker/0:007:06:250
81540rcu_preempt12677-21diskstats07:36:191
81540rcu_preempt0-21swapper/108:49:581
81540rcu_preempt0-21swapper/108:01:161
81540rcu_preempt0-21swapper/107:51:331
81540rcu_preempt0-21swapper/107:31:231
81540rcu_preempt0-21swapper/107:16:401
81540rcu_preempt0-21swapper/009:08:390
81540rcu_preempt0-21swapper/008:29:400
81540rcu_preempt0-21swapper/008:11:480
81540rcu_preempt0-21swapper/007:42:320
81530rcu_preempt0-21swapper/108:17:571
81530rcu_preempt0-21swapper/107:46:211
81530rcu_preempt0-21swapper/008:36:210
81520rcu_preempt0-21swapper/109:06:501
81510rcu_preempt2890-21ssh11:54:111
89850500irq/17-ehci_hcd945-21usb-storage07:21:251
81490rcu_preempt0-21swapper/108:42:401
81480rcu_preempt0-21swapper/107:59:381
81450rcu_preempt1907-21fw_conntrack09:01:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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