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2026-07-29 - 16:25
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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 Wed Jul 29, 2026 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89550740irq/17-ehci_hcd440-21diskmemload10:14:470
89950730irq/17-ehci_hcd18363-21if_eth110:47:561
81730rcu_preempt31738-21if_eth110:12:581
81730rcu_preempt25387-21latency_hist08:47:381
81730rcu_preempt16711-21kworker/1:207:13:031
81710rcu_preempt31791-21apt-esm-hook09:12:521
81710rcu_preempt25389-21sshd11:00:491
81710rcu_preempt0-21swapper/110:17:381
81710rcu_preempt0-21swapper/011:16:530
81700rcu_preempt0-21swapper/109:30:501
81700rcu_preempt0-21swapper/009:19:030
81690rcu_preempt28146-21sh10:07:080
81690rcu_preempt22477-21sh10:55:130
81690rcu_preempt0-21swapper/112:20:371
81690rcu_preempt0-21swapper/112:05:431
81690rcu_preempt0-21swapper/111:42:391
81690rcu_preempt0-21swapper/109:47:511
81690rcu_preempt0-21swapper/107:42:551
81690rcu_preempt0-21swapper/010:08:100
81680rcu_preempt16854-21sh09:45:440
81680rcu_preempt16816-21sh10:44:320
81680rcu_preempt10960-21ssh10:33:181
81680rcu_preempt0-21swapper/111:34:411
81680rcu_preempt0-21swapper/011:09:140
89550670irq/17-ehci_hcd24070-1kworker/0:2H07:16:200
81670rcu_preempt0-21swapper/110:31:371
81670rcu_preempt0-21swapper/012:26:530
81670rcu_preempt0-21swapper/010:27:340
81660rcu_preempt1599migration/009:29:020
81660rcu_preempt12515-21apt-get10:37:510
81660rcu_preempt0-21swapper/112:32:511
81660rcu_preempt0-21swapper/111:24:311
81660rcu_preempt0-21swapper/010:33:170
81650rcu_preempt14272-21df_abs08:02:541
81650rcu_preempt11950-21ssh09:37:501
81650rcu_preempt0-21swapper/109:53:351
81650rcu_preempt0-21swapper/109:36:301
81650rcu_preempt0-21swapper/009:57:520
81650rcu_preempt0-21swapper/009:52:390
81640rcu_preempt0-21swapper/112:37:521
81640rcu_preempt0-21swapper/007:55:060
81640rcu_preempt0-21swapper/007:33:000
81630rcu_preempt9775-21ssh09:32:580
81630rcu_preempt31278-21ssh11:12:261
81630rcu_preempt3-21ksoftirqd/011:37:550
81630rcu_preempt22764-21munin-run08:37:380
81630rcu_preempt21477-21/usr/sbin/munin10:53:021
81630rcu_preempt20236-21/usr/sbin/munin08:27:380
81630rcu_preempt0-21swapper/111:42:541
81630rcu_preempt0-21swapper/110:23:191
81630rcu_preempt0-21swapper/012:03:440
81630rcu_preempt0-21swapper/009:52:540
81620rcu_preempt4954-21kworker/0:112:36:350
81620rcu_preempt24545-21switchtime11:58:050
81620rcu_preempt16076-21proc_pri10:43:021
81620rcu_preempt0-21swapper/112:30:001
81620rcu_preempt0-21swapper/112:02:081
81620rcu_preempt0-21swapper/111:51:141
81620rcu_preempt0-21swapper/108:57:381
81620rcu_preempt0-21swapper/010:52:340
81620rcu_preempt0-21swapper/007:18:020
81610rcu_preempt21506-21/usr/sbin/munin08:32:380
81610rcu_preempt16552-21ssh09:44:501
81610rcu_preempt1453-21ssh12:16:371
81610rcu_preempt0-21swapper/112:26:511
81610rcu_preempt0-21swapper/111:28:001
81610rcu_preempt0-21swapper/111:21:181
81610rcu_preempt0-21swapper/012:39:080
81610rcu_preempt0-21swapper/012:14:260
81610rcu_preempt0-21swapper/008:52:570
81610rcu_preempt0-21swapper/008:07:080
81600rcu_preempt440-21diskmemload10:31:200
81600rcu_preempt440-21diskmemload10:01:551
81600rcu_preempt22872-21ssh11:55:551
81600rcu_preempt0-21swapper/112:43:001
81600rcu_preempt0-21swapper/112:08:381
81600rcu_preempt0-21swapper/110:42:131
81600rcu_preempt0-21swapper/110:08:151
81600rcu_preempt0-21swapper/110:05:091
81600rcu_preempt0-21swapper/109:17:541
81600rcu_preempt0-21swapper/108:15:031
81600rcu_preempt0-21swapper/107:32:531
81600rcu_preempt0-21swapper/012:28:500
81600rcu_preempt0-21swapper/011:22:120
81600rcu_preempt0-21swapper/010:59:120
81600rcu_preempt0-21swapper/008:07:380
81590rcu_preempt9239-21ssh11:30:430
81590rcu_preempt0-21swapper/111:13:041
81590rcu_preempt0-21swapper/108:19:031
81590rcu_preempt0-21swapper/012:19:070
81590rcu_preempt0-21swapper/012:12:080
81590rcu_preempt0-21swapper/009:40:120
81580rcu_preempt440-21diskmemload11:25:540
81580rcu_preempt12321-21ssh11:36:490
81580rcu_preempt0-21swapper/111:05:171
81580rcu_preempt0-21swapper/109:11:211
81580rcu_preempt0-21swapper/107:54:391
81580rcu_preempt0-21swapper/011:57:200
81580rcu_preempt0-21swapper/011:43:570
81580rcu_preempt0-21swapper/011:02:540
81580rcu_preempt0-21swapper/010:21:010
81580rcu_preempt0-21swapper/009:27:100
81570rcu_preempt3344-21strings07:17:591
81570rcu_preempt29466-21fw_conntrack09:02:531
81570rcu_preempt20339-21ssh11:51:310
81570rcu_preempt17471-21ssh12:46:000
81570rcu_preempt0-21swapper/109:25:091
81570rcu_preempt0-21swapper/108:08:151
81570rcu_preempt0-21swapper/007:42:560
81560rcu_preempt0-21swapper/108:35:581
81560rcu_preempt0-21swapper/107:51:111
81560rcu_preempt0-21swapper/107:22:581
81550rcu_preempt0-21swapper/107:42:051
81550rcu_preempt0-21swapper/009:02:500
81550rcu_preempt0-21swapper/008:48:080
81550rcu_preempt0-21swapper/007:38:020
81540rcu_preempt0-21swapper/007:57:580
81530rcu_preempt0-21swapper/008:44:570
2562995345cyclictest945-21usb-storage07:27:501
81520rcu_preempt24297-21df08:42:521
81520rcu_preempt0-21swapper/108:37:491
81520rcu_preempt0-21swapper/108:28:371
81520rcu_preempt0-21swapper/009:12:000
81520rcu_preempt0-21swapper/007:22:380
2562995248cyclictest945-21usb-storage08:22:561
89950510irq/17-ehci_hcd945-21usb-storage09:16:390
2562995148cyclictest945-21usb-storage08:57:571
81500rcu_preempt24020-21munin-run08:42:370
81480rcu_preempt0-21swapper/007:28:100
81450rcu_preempt27944-21apt-get08:57:520
81450rcu_preempt11008-21ntp_states07:48:010
2561994212cyclictest14048-21kworker/0:208:18:490
2561994210cyclictest14048-21kworker/0:208:15:430
2562993835cyclictest945-21usb-storage08:01:541
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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