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2026-06-24 - 23:23
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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 792 highest latencies:
System rackcslot3.osadl.org (updated Wed Jun 24, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt7293-21df_abs11:49:571
81760rcu_preempt24791-21irqstats07:20:010
81730rcu_preempt16813-21ssh12:07:251
81710rcu_preempt27341-21sh12:27:131
81710rcu_preempt1924-21ssh10:39:230
81710rcu_preempt0-21swapper/111:44:591
81700rcu_preempt462-21ssh11:36:100
81700rcu_preempt22984-21sh10:17:241
81700rcu_preempt21601-1kworker/0:1H11:33:210
81700rcu_preempt0-21swapper/109:14:591
81700rcu_preempt0-21swapper/012:34:440
81690rcu_preempt0-21swapper/107:50:011
81690rcu_preempt0-21swapper/107:15:081
81690rcu_preempt0-21swapper/008:39:580
81680rcu_preempt0-21swapper/111:31:371
146550680irq/30-eth0-tx-171rcuc/107:20:061
81670rcu_preempt9494-21munin-run08:29:421
81670rcu_preempt9494-21munin-run08:29:421
81670rcu_preempt0-21swapper/110:59:581
81670rcu_preempt0-21swapper/110:59:581
81670rcu_preempt0-21swapper/108:24:251
81660rcu_preempt0-21swapper/007:10:080
81650rcu_preempt8373-21apt-get08:24:530
81650rcu_preempt8373-21apt-get08:24:530
81650rcu_preempt3-21ksoftirqd/011:12:220
81650rcu_preempt16024-21df_abs10:04:571
81650rcu_preempt0-21swapper/112:14:351
81650rcu_preempt0-21swapper/109:29:371
81650rcu_preempt0-21swapper/009:46:100
81640rcu_preempt31209-21ssh10:33:011
81640rcu_preempt20783-21ssh10:13:431
81640rcu_preempt1132-21ssh10:36:521
81640rcu_preempt10494-21idleruntime10:55:011
81640rcu_preempt0-21swapper/112:16:401
81640rcu_preempt0-21swapper/109:40:221
81640rcu_preempt0-21swapper/108:10:051
81640rcu_preempt0-21swapper/107:09:471
81630rcu_preempt31757-21munin-run07:49:420
81630rcu_preempt29477-21ssh12:30:171
81630rcu_preempt24757-21ssh12:22:180
81630rcu_preempt12363-21ssh09:57:201
81630rcu_preempt0-21swapper/109:50:011
81630rcu_preempt0-21swapper/012:09:590
81630rcu_preempt0-21swapper/009:25:090
81630rcu_preempt0-21swapper/007:35:060
81620rcu_preempt4558-21ssh10:44:081
81620rcu_preempt29953-21latency09:30:001
81620rcu_preempt28509-21ssh11:29:121
81620rcu_preempt0-21swapper/112:44:121
81620rcu_preempt0-21swapper/112:01:391
81620rcu_preempt0-21swapper/111:22:021
81620rcu_preempt0-21swapper/012:31:110
81610rcu_preempt20895-21diskmemload10:44:571
81610rcu_preempt20447-21ssh11:14:001
81610rcu_preempt1405-21netstat07:55:021
81610rcu_preempt13243-21sshd08:41:241
81610rcu_preempt0-21swapper/111:40:011
81610rcu_preempt0-21swapper/111:36:061
81610rcu_preempt0-21swapper/110:25:011
81610rcu_preempt0-21swapper/109:39:331
81610rcu_preempt0-21swapper/108:05:031
81610rcu_preempt0-21swapper/011:42:450
81610rcu_preempt0-21swapper/011:25:070
81610rcu_preempt0-21swapper/010:14:580
81610rcu_preempt0-21swapper/010:10:390
81610rcu_preempt0-21swapper/010:04:550
89950600irq/17-ehci_hcd945-21usb-storage07:29:541
81600rcu_preempt9488-21ssh10:53:001
81600rcu_preempt6399-21ssh09:45:321
81600rcu_preempt4619-21ssh10:44:230
81600rcu_preempt31711-21munin-plugin-st10:34:420
81600rcu_preempt25518-21ssh10:22:031
81600rcu_preempt18373-21munin-run09:04:430
81600rcu_preempt0-21swapper/111:15:081
81600rcu_preempt0-21swapper/108:00:011
81600rcu_preempt0-21swapper/012:25:020
81590rcu_preempt30783-21ssh09:31:020
81590rcu_preempt23772-21idleruntime-cro09:19:420
81590rcu_preempt20895-21diskmemload11:49:490
81590rcu_preempt20895-21diskmemload09:55:430
81590rcu_preempt14645-21ssh11:02:290
81590rcu_preempt14645-21ssh11:02:290
81590rcu_preempt0-21swapper/112:20:281
81590rcu_preempt0-21swapper/111:58:231
81590rcu_preempt0-21swapper/110:03:021
81590rcu_preempt0-21swapper/109:20:291
81590rcu_preempt0-21swapper/109:00:021
81590rcu_preempt0-21swapper/107:28:481
81580rcu_preempt4440-21apt-get11:44:550
81580rcu_preempt32466-21ssh12:36:251
81580rcu_preempt25883-21ssh10:23:170
81580rcu_preempt23999-21switchtime07:15:080
81580rcu_preempt22688-21ssh11:17:380
81580rcu_preempt20895-21diskmemload12:41:160
81580rcu_preempt0-21swapper/010:27:060
81570rcu_preempt9645-21ssh09:52:180
81570rcu_preempt6151-21sshd10:45:240
81570rcu_preempt16660-21ntp_states08:55:051
81570rcu_preempt14800-21ssh12:04:330
81570rcu_preempt13671-21diskstats08:44:571
81570rcu_preempt11635-21ssh10:56:100
81570rcu_preempt0-21swapper/109:10:331
81570rcu_preempt0-21swapper/109:09:311
81570rcu_preempt0-21swapper/108:30:051
81570rcu_preempt0-21swapper/107:49:361
81570rcu_preempt0-21swapper/107:40:531
81570rcu_preempt0-21swapper/107:35:081
81570rcu_preempt0-21swapper/012:05:040
81570rcu_preempt0-21swapper/011:56:550
81570rcu_preempt0-21swapper/011:21:050
81570rcu_preempt0-21swapper/010:49:430
81570rcu_preempt0-21swapper/007:55:080
81570rcu_preempt0-21swapper/007:30:080
81560rcu_preempt20895-21diskmemload12:15:590
81560rcu_preempt17549-21ssh11:08:380
81560rcu_preempt17549-21ssh11:08:380
81560rcu_preempt11899-21sed08:35:081
81560rcu_preempt0-21swapper/108:52:331
81560rcu_preempt0-21swapper/108:17:271
81560rcu_preempt0-21swapper/009:40:060
81560rcu_preempt0-21swapper/008:44:590
81550rcu_preempt0-21swapper/111:05:591
81550rcu_preempt0-21swapper/111:05:591
81550rcu_preempt0-21swapper/008:57:430
81550rcu_preempt0-21swapper/008:49:560
81550rcu_preempt0-21swapper/008:20:340
81550rcu_preempt0-21swapper/008:10:030
81540rcu_preempt15170-21ssh10:03:170
81540rcu_preempt10993-21tr08:34:550
81540rcu_preempt0-21swapper/009:10:010
81530rcu_preempt0-21swapper/009:37:570
81520rcu_preempt5941-21cpuspeed_turbos08:14:560
81520rcu_preempt0-21swapper/009:21:250
81520rcu_preempt0-21swapper/009:05:450
81510rcu_preempt10405-21ps08:30:080
81490rcu_preempt25740-21df_abs07:24:560
22920994946cyclictest945-21usb-storage07:59:530
81480rcu_preempt32620-21ntp_states07:50:040
81480rcu_preempt0-21swapper/008:06:450
81440rcu_preempt29937-21memory07:40:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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