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2026-07-30 - 16:00
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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 all highest latencies:
System rackcslot3.osadl.org (updated Thu Jul 30, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81850rcu_preempt32233-21ssh09:47:551
81780rcu_preempt0-21swapper/107:12:571
81730rcu_preempt6094-21ssh10:58:050
81720rcu_preempt12146-21diskmemload11:08:380
81710rcu_preempt14819-21diskmemload12:31:270
81710rcu_preempt0-21swapper/009:39:010
81710rcu_preempt0-21swapper/008:07:590
81700rcu_preempt0-21swapper/012:06:000
81690rcu_preempt29512-21sh12:41:160
81690rcu_preempt0-21swapper/109:33:021
81690rcu_preempt0-21swapper/010:52:590
81690rcu_preempt0-21swapper/010:47:310
81690rcu_preempt0-21swapper/010:03:050
81680rcu_preempt14819-21diskmemload10:09:130
81680rcu_preempt0-21swapper/010:25:020
81670rcu_preempt0-21swapper/110:46:591
81670rcu_preempt0-21swapper/012:18:400
81670rcu_preempt0-21swapper/011:52:370
81670rcu_preempt0-21swapper/011:05:520
89950660irq/17-ehci_hcd19-21ksoftirqd/111:22:551
81660rcu_preempt2922-21cpu08:37:570
81660rcu_preempt19771-21ntp_kernel_pll_11:23:050
81660rcu_preempt0-21swapper/011:56:310
81660rcu_preempt0-21swapper/011:56:310
89950650irq/17-ehci_hcd945-21usb-storage11:37:361
81650rcu_preempt26852-21sh11:37:120
81650rcu_preempt0-21swapper/008:27:220
81640rcu_preempt9410-21ssh12:03:101
81640rcu_preempt31757-21ssh11:45:401
81640rcu_preempt17942-21sh11:19:350
81640rcu_preempt14819-21diskmemload09:57:341
81640rcu_preempt0-21swapper/108:54:031
81640rcu_preempt0-21swapper/107:27:271
81640rcu_preempt0-21swapper/012:16:360
81640rcu_preempt0-21swapper/009:24:430
81630rcu_preempt30819-21strings08:18:041
81630rcu_preempt0-21swapper/009:45:580
81630rcu_preempt0-21swapper/008:18:050
81620rcu_preempt25686-21ssh10:34:011
81620rcu_preempt22445-21munin-run07:47:431
81620rcu_preempt21482-21ssh12:26:341
81620rcu_preempt13256-21ssh11:12:151
81620rcu_preempt0-21swapper/112:00:231
81620rcu_preempt0-21swapper/111:48:141
81620rcu_preempt0-21swapper/110:50:021
81620rcu_preempt0-21swapper/110:03:441
81620rcu_preempt0-21swapper/109:20:481
81620rcu_preempt0-21swapper/109:20:481
81620rcu_preempt0-21swapper/109:00:181
81620rcu_preempt0-21swapper/012:24:280
81620rcu_preempt0-21swapper/007:52:530
81610rcu_preempt7221-21diskstats08:48:000
81610rcu_preempt385-21date12:47:441
81610rcu_preempt0-21swapper/112:08:031
81610rcu_preempt0-21swapper/111:07:151
81610rcu_preempt0-21swapper/110:02:341
81610rcu_preempt0-21swapper/109:43:461
81610rcu_preempt0-21swapper/109:22:491
81610rcu_preempt0-21swapper/008:43:050
81610rcu_preempt0-21swapper/007:15:260
81600rcu_preempt7151-21ssh10:59:401
81600rcu_preempt3947-21ssh10:53:141
81600rcu_preempt23039-21ssh10:29:091
81600rcu_preempt22383-21ssh09:29:201
81600rcu_preempt15913-21ssh12:15:431
81600rcu_preempt12396-21ssh10:09:551
81600rcu_preempt0-21swapper/010:00:450
81600rcu_preempt0-21swapper/009:07:570
81590rcu_preempt6580-21proc_pri11:58:090
81590rcu_preempt4699-21ssh11:54:521
81590rcu_preempt4699-21ssh11:54:521
81590rcu_preempt29657-21ssh11:42:421
81590rcu_preempt23981-21ssh11:31:411
81590rcu_preempt20116-21ssh10:23:111
81590rcu_preempt0-21swapper/112:40:501
81590rcu_preempt0-21swapper/112:34:531
81590rcu_preempt0-21swapper/112:31:231
81590rcu_preempt0-21swapper/109:03:061
81590rcu_preempt0-21swapper/108:49:541
81590rcu_preempt0-21swapper/108:42:561
81590rcu_preempt0-21swapper/108:28:071
81590rcu_preempt0-21swapper/108:25:391
81590rcu_preempt0-21swapper/108:03:011
81590rcu_preempt0-21swapper/107:28:091
81590rcu_preempt0-21swapper/011:30:270
81590rcu_preempt0-21swapper/009:33:250
81590rcu_preempt0-21swapper/009:18:100
81590rcu_preempt0-21swapper/009:18:100
81580rcu_preempt32487-21ssh12:46:450
81580rcu_preempt26459-21sshd09:37:541
81580rcu_preempt26197-21users07:58:091
81580rcu_preempt18388-21ssh10:21:331
81580rcu_preempt15036-21ssh10:14:521
81580rcu_preempt0-21swapper/111:13:021
81580rcu_preempt0-21swapper/109:08:021
81580rcu_preempt0-21swapper/108:33:031
81580rcu_preempt0-21swapper/012:09:060
81580rcu_preempt0-21swapper/011:39:030
81580rcu_preempt0-21swapper/010:52:060
81580rcu_preempt0-21swapper/010:14:280
81580rcu_preempt0-21swapper/009:53:400
81580rcu_preempt0-21swapper/009:50:450
81570rcu_preempt28176-21ssh10:38:111
81570rcu_preempt18961-21df_abs07:32:560
81570rcu_preempt18734-21ssh11:22:241
81570rcu_preempt17299-21memory12:18:061
81570rcu_preempt10269-21if_err_eth008:58:030
81570rcu_preempt0-21swapper/107:18:001
81570rcu_preempt0-21swapper/011:46:530
81570rcu_preempt0-21swapper/010:28:400
81570rcu_preempt0-21swapper/010:19:280
81570rcu_preempt0-21swapper/008:27:580
81560rcu_preempt24255-21/usr/sbin/munin10:32:550
81560rcu_preempt0-21swapper/108:38:021
81560rcu_preempt0-21swapper/108:14:541
81560rcu_preempt0-21swapper/012:35:470
81560rcu_preempt0-21swapper/010:38:250
81560rcu_preempt0-21swapper/007:58:050
81560rcu_preempt0-21swapper/007:38:010
89950550irq/17-ehci_hcd171rcuc/109:12:561
81550rcu_preempt22279-21ssh09:29:010
81550rcu_preempt15133-21ssh11:14:210
81540rcu_preempt22916-21if_can007:48:001
81540rcu_preempt0-21swapper/108:10:251
81530rcu_preempt20470-21if_eth007:38:011
81530rcu_preempt0-21swapper/107:54:391
81530rcu_preempt0-21swapper/007:27:450
81520rcu_preempt16591-21if_can007:23:000
81520rcu_preempt0-21swapper/009:02:580
81520rcu_preempt0-21swapper/008:55:120
81520rcu_preempt0-21swapper/008:33:010
81520rcu_preempt0-21swapper/008:13:210
81520rcu_preempt0-21swapper/008:04:070
14882995148cyclictest945-21usb-storage09:12:560
81480rcu_preempt22844-21df_inode07:47:570
81450rcu_preempt15493-21irqstats07:18:010
14883994542cyclictest945-21usb-storage07:35:391
81420rcu_preempt22045-21ntp_states07:43:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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