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2026-07-01 - 23:07
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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 Wed Jul 01, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81830rcu_preempt13911-21k10sensors07:10:421
89950800irq/17-ehci_hcd0-21swapper/112:45:061
89950770irq/17-ehci_hcd945-21usb-storage10:15:310
89950770irq/17-ehci_hcd945-21usb-storage10:15:310
146650760irq/31-eth0-tx-181ktimersoftd/112:03:391
81730rcu_preempt25711-21sh11:39:100
81720rcu_preempt0-21swapper/111:29:071
81720rcu_preempt0-21swapper/012:03:210
81710rcu_preempt12834-21ssh09:15:371
81710rcu_preempt0-21swapper/108:25:361
81710rcu_preempt0-21swapper/012:15:360
81710rcu_preempt0-21swapper/011:20:380
81700rcu_preempt0-21swapper/110:07:161
81690rcu_preempt7577-21df11:05:311
81690rcu_preempt12233-21sh11:14:040
81690rcu_preempt0-21swapper/111:31:141
81690rcu_preempt0-21swapper/111:18:591
81690rcu_preempt0-21swapper/010:35:440
81690rcu_preempt0-21swapper/009:57:170
81680rcu_preempt13541-21ntp_states11:15:400
81670rcu_preempt27743-21diskmemload12:42:470
81670rcu_preempt24911-21kernelversion07:55:371
81670rcu_preempt18813-21irqstats10:25:370
81670rcu_preempt0-21swapper/112:22:141
81670rcu_preempt0-21swapper/111:59:481
81670rcu_preempt0-21swapper/011:47:080
81660rcu_preempt23614-21ssh11:35:281
81660rcu_preempt13136-21/usr/sbin/munin09:15:420
81660rcu_preempt0-21swapper/109:40:441
81660rcu_preempt0-21swapper/109:36:121
81650rcu_preempt12962-21if_wlan012:15:371
81650rcu_preempt10535-21if_eth011:10:371
81650rcu_preempt0-21swapper/112:10:451
81650rcu_preempt0-21swapper/111:40:381
81650rcu_preempt0-21swapper/109:47:511
81650rcu_preempt0-21swapper/010:05:400
89550640irq/17-ehci_hcd9714-21cut09:05:180
81640rcu_preempt1568-21ssh09:54:391
81640rcu_preempt15085-21gzip07:15:411
81640rcu_preempt12113-21diskmemload10:40:421
81640rcu_preempt0-21swapper/112:35:371
81640rcu_preempt0-21swapper/009:33:550
89950630irq/17-ehci_hcd945-21usb-storage09:25:371
81630rcu_preempt0-21swapper/110:53:511
81630rcu_preempt0-21swapper/108:35:441
81630rcu_preempt0-21swapper/108:09:101
81630rcu_preempt0-21swapper/007:50:310
81620rcu_preempt7105-21ssh10:05:111
81620rcu_preempt30306-21ssh11:46:231
81620rcu_preempt28903-21munin-run10:45:180
81620rcu_preempt20163-21ssh09:29:130
81620rcu_preempt19733-21ssh10:26:361
81620rcu_preempt12113-21diskmemload09:23:030
81620rcu_preempt0-21swapper/112:26:091
81620rcu_preempt0-21swapper/112:09:291
81620rcu_preempt0-21swapper/109:21:401
81610rcu_preempt14851-21ssh10:18:481
81610rcu_preempt14851-21ssh10:18:481
81610rcu_preempt1031-21ssh11:53:001
81610rcu_preempt0-21swapper/110:38:161
81610rcu_preempt0-21swapper/110:30:361
81610rcu_preempt0-21swapper/108:15:411
81610rcu_preempt0-21swapper/010:24:490
81610rcu_preempt0-21swapper/010:03:510
81610rcu_preempt0-21swapper/008:44:340
81610rcu_preempt0-21swapper/008:30:400
81610rcu_preempt0-21swapper/007:40:300
81600rcu_preempt7220-21munin-run11:05:170
81600rcu_preempt6607-21ssh11:03:051
81600rcu_preempt30590-21munin-run08:20:170
81600rcu_preempt21937-21ssh12:31:231
81600rcu_preempt21076-21df_abs11:30:310
81600rcu_preempt17653-21ssh11:24:391
81600rcu_preempt0-21swapper/110:20:371
81600rcu_preempt0-21swapper/012:05:420
81600rcu_preempt0-21swapper/011:50:180
146650600irq/31-eth0-tx-19-21ksoftirqd/109:30:311
81590rcu_preempt699-21ssh09:52:030
81590rcu_preempt4420-21ssh10:59:381
81590rcu_preempt0-21swapper/110:14:381
81590rcu_preempt0-21swapper/109:57:491
81590rcu_preempt0-21swapper/107:35:471
81590rcu_preempt0-21swapper/010:52:570
81590rcu_preempt0-21swapper/008:20:290
81580rcu_preempt9573-21turbostat09:05:171
81580rcu_preempt25047-21ssh09:37:100
81580rcu_preempt12113-21diskmemload11:27:070
81580rcu_preempt0-21swapper/110:48:591
81580rcu_preempt0-21swapper/109:11:321
81580rcu_preempt0-21swapper/109:05:381
81580rcu_preempt0-21swapper/108:55:421
81580rcu_preempt0-21swapper/012:38:060
81580rcu_preempt0-21swapper/012:28:300
81580rcu_preempt0-21swapper/012:20:220
81580rcu_preempt0-21swapper/012:10:350
81580rcu_preempt0-21swapper/010:14:570
81580rcu_preempt0-21swapper/008:09:060
81580rcu_preempt0-21swapper/007:55:360
81570rcu_preempt22582-21ssh10:32:170
81570rcu_preempt10743-21kworker/0:107:10:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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