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2026-06-09 - 18:52
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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 Jun 09, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950830irq/17-ehci_hcd0-21swapper/110:50:281
89950830irq/17-ehci_hcd0-21swapper/110:50:281
81730rcu_preempt9097-21ssh12:12:081
81710rcu_preempt20391-1kworker/0:1H07:37:350
81710rcu_preempt0-21swapper/112:28:471
81710rcu_preempt0-21swapper/009:38:400
81700rcu_preempt0-21swapper/110:02:481
81700rcu_preempt0-21swapper/010:27:170
81700rcu_preempt0-21swapper/009:46:190
89950690irq/17-ehci_hcd0-21swapper/112:17:351
81690rcu_preempt14383-21ssh12:22:030
81690rcu_preempt13750-21sh11:19:251
81690rcu_preempt0-21swapper/111:49:201
81690rcu_preempt0-21swapper/111:17:131
81690rcu_preempt0-21swapper/011:30:430
81690rcu_preempt0-21swapper/009:48:410
81680rcu_preempt6017-21sh12:05:510
81680rcu_preempt0-21swapper/110:59:381
81680rcu_preempt0-21swapper/110:37:421
81680rcu_preempt0-21swapper/110:04:341
81680rcu_preempt0-21swapper/109:35:051
81680rcu_preempt0-21swapper/107:38:461
81680rcu_preempt0-21swapper/011:51:050
81680rcu_preempt0-21swapper/011:07:240
81670rcu_preempt18213-21ps07:38:490
81670rcu_preempt10997-21cyclictest07:46:101
81670rcu_preempt0-21swapper/107:09:491
81670rcu_preempt0-21swapper/010:11:080
81660rcu_preempt31041-21ssh10:52:560
81660rcu_preempt31041-21ssh10:52:560
81660rcu_preempt0-21swapper/111:03:331
81660rcu_preempt0-21swapper/108:12:431
81660rcu_preempt0-21swapper/012:10:370
81660rcu_preempt0-21swapper/007:32:340
81650rcu_preempt31525-21ssh09:53:390
81650rcu_preempt24029-21processes12:38:530
81640rcu_preempt28492-21munin-run10:48:271
81640rcu_preempt18055-21df_abs11:28:411
81640rcu_preempt10944-21sshd07:10:540
81640rcu_preempt0-21swapper/110:17:381
81640rcu_preempt0-21swapper/007:46:250
81630rcu_preempt9830-21ssh11:13:380
81630rcu_preempt3038-21ssh11:59:310
81630rcu_preempt2967-21ssh11:59:161
81630rcu_preempt29026-21df_abs08:23:411
81630rcu_preempt20019-21ssh10:32:091
81630rcu_preempt19508-21ssh09:31:231
81630rcu_preempt18473-21apache207:57:390
81630rcu_preempt16128-21latency_hist07:33:261
81630rcu_preempt0-21swapper/111:40:121
81630rcu_preempt0-21swapper/108:28:511
81630rcu_preempt0-21swapper/012:13:480
81630rcu_preempt0-21swapper/010:06:090
81630rcu_preempt0-21swapper/009:13:530
81620rcu_preempt5316-21k10sensors12:03:531
81620rcu_preempt26624-21ls08:13:410
81620rcu_preempt17305-21ssh09:28:181
81620rcu_preempt17305-21ssh09:28:181
81620rcu_preempt0-21swapper/111:45:431
81620rcu_preempt0-21swapper/108:17:301
81620rcu_preempt0-21swapper/010:58:480
81620rcu_preempt0-21swapper/009:18:380
81610rcu_preempt8943-21ssh10:10:511
81610rcu_preempt25408-21ssh09:42:441
81610rcu_preempt21053-21memory12:33:460
81610rcu_preempt16034-21switchtime12:23:550
81610rcu_preempt14504-21ssh12:22:301
81610rcu_preempt14364-21ssh09:22:131
81610rcu_preempt0-21swapper/112:38:491
81610rcu_preempt0-21swapper/112:34:461
81610rcu_preempt0-21swapper/110:54:541
81610rcu_preempt0-21swapper/109:55:401
81610rcu_preempt0-21swapper/109:13:471
81610rcu_preempt0-21swapper/108:53:401
81600rcu_preempt26236-21fw_conntrack11:43:420
81600rcu_preempt0-21swapper/110:27:561
81600rcu_preempt0-21swapper/109:44:241
81600rcu_preempt0-21swapper/011:33:430
81600rcu_preempt0-21swapper/010:46:410
81600rcu_preempt0-21swapper/010:35:070
81590rcu_preempt8981-21diskmemload09:36:470
81590rcu_preempt30046-21ssh09:49:511
81590rcu_preempt22283-21timerandwakeup07:53:531
81590rcu_preempt14565-21ssh10:21:461
81590rcu_preempt12037-21ssh10:17:270
81590rcu_preempt0-21swapper/112:24:291
81590rcu_preempt0-21swapper/111:57:191
81590rcu_preempt0-21swapper/111:33:491
81590rcu_preempt0-21swapper/110:38:551
81590rcu_preempt0-21swapper/108:43:511
81590rcu_preempt0-21swapper/108:42:051
81590rcu_preempt0-21swapper/108:33:521
81590rcu_preempt0-21swapper/009:30:000
81580rcu_preempt2968-21ssh09:59:180
81580rcu_preempt25058-21sort08:08:270
81580rcu_preempt16756-21ssh11:25:191
81580rcu_preempt0-21swapper/111:10:581
81580rcu_preempt0-21swapper/109:03:401
81580rcu_preempt0-21swapper/011:27:350
81580rcu_preempt0-21swapper/010:30:400
81580rcu_preempt0-21swapper/009:03:510
81570rcu_preempt32462-21ssh11:53:570
81570rcu_preempt23492-21fw_conntrack11:38:430
81570rcu_preempt17032-21mailstats07:33:501
81570rcu_preempt14643-21ssh10:22:040
81570rcu_preempt12441-21ssh11:18:400
81570rcu_preempt0-21swapper/108:58:541
81570rcu_preempt0-21swapper/108:00:231
81570rcu_preempt0-21swapper/107:22:501
81570rcu_preempt0-21swapper/107:14:061
81570rcu_preempt0-21swapper/009:25:390
81570rcu_preempt0-21swapper/009:25:390
81560rcu_preempt0-21swapper/108:03:511
81560rcu_preempt0-21swapper/011:08:500
81560rcu_preempt0-21swapper/010:56:030
81560rcu_preempt0-21swapper/010:38:460
81560rcu_preempt0-21swapper/008:58:520
81550rcu_preempt12247-21munin-run07:18:260
81550rcu_preempt0-21swapper/108:21:431
146650550irq/31-eth0-tx-41ktimersoftd/012:29:050
81540rcu_preempt8954-21sshd09:09:540
81540rcu_preempt0-21swapper/008:50:080
81540rcu_preempt0-21swapper/007:48:520
81530rcu_preempt31227-21sshd08:29:540
81530rcu_preempt12632-21df07:18:410
81530rcu_preempt0-21swapper/109:13:261
81530rcu_preempt0-21swapper/008:03:520
81520rcu_preempt0-21swapper/008:47:440
81520rcu_preempt0-21swapper/008:41:510
81520rcu_preempt0-21swapper/008:37:120
81510rcu_preempt0-21swapper/107:50:261
81510rcu_preempt0-21swapper/007:58:540
11000995148cyclictest945-21usb-storage07:23:391
81500rcu_preempt0-21swapper/007:26:040
11000995047cyclictest945-21usb-storage08:48:511
81490rcu_preempt0-21swapper/008:54:540
81450rcu_preempt0-21swapper/008:27:430
81430rcu_preempt28074-21irqstats08:18:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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