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2025-05-13 - 04:03
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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 May 13, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81740rcu_preempt5965-21ssh21:24:570
89850730irq/17-ehci_hcd945-21usb-storage22:24:160
81730rcu_preempt6510-21switchtime23:24:481
81730rcu_preempt17276-21sh22:44:550
151350730irq/31-eth0-tx-3-21ksoftirqd/022:39:340
81720rcu_preempt0-21swapper/023:50:040
81710rcu_preempt23681-21sh22:58:220
81710rcu_preempt2347-21ssh00:18:390
81710rcu_preempt0-21swapper/119:24:191
81710rcu_preempt0-21swapper/019:24:470
81700rcu_preempt3062-21ssh23:19:381
81700rcu_preempt27465-21apt-get20:59:301
81700rcu_preempt0-21swapper/123:34:391
81700rcu_preempt0-21swapper/121:19:461
81700rcu_preempt0-21swapper/022:07:200
81700rcu_preempt0-21swapper/000:13:490
81690rcu_preempt5338-21apt-get00:24:341
81690rcu_preempt31104-21diskmemload23:04:361
81690rcu_preempt0-21swapper/123:59:191
81690rcu_preempt0-21swapper/123:42:301
81690rcu_preempt0-21swapper/100:24:041
81690rcu_preempt0-21swapper/100:10:581
81690rcu_preempt0-21swapper/023:24:480
81690rcu_preempt0-21swapper/019:09:330
81690rcu_preempt0-21swapper/000:35:580
81680rcu_preempt30011-21cpu21:09:340
81680rcu_preempt0-21swapper/123:32:341
81680rcu_preempt0-21swapper/122:22:061
81680rcu_preempt0-21swapper/022:37:000
89850670irq/17-ehci_hcd945-21usb-storage23:01:091
81670rcu_preempt2986-21df_abs00:19:350
81670rcu_preempt15803-1kworker/0:0H23:48:260
81660rcu_preempt0-21swapper/123:59:461
81660rcu_preempt0-21swapper/023:14:130
151350660irq/31-eth0-tx-32041-21kworker/1:119:09:531
89850650irq/17-ehci_hcd945-21usb-storage22:07:031
81650rcu_preempt8715-21irqstats23:29:410
81650rcu_preempt22978-21ssh21:57:201
81650rcu_preempt0-21swapper/121:42:501
81650rcu_preempt0-21swapper/100:32:311
81650rcu_preempt0-21swapper/020:10:570
81640rcu_preempt18458-21cpuspeed_turbos21:49:341
81640rcu_preempt0-21swapper/121:04:431
81640rcu_preempt0-21swapper/021:39:360
81640rcu_preempt0-21swapper/019:54:450
81640rcu_preempt0-21swapper/000:30:000
81630rcu_preempt6122-21ssh00:24:450
81630rcu_preempt4799-21cpu21:24:331
81630rcu_preempt19647-21switchtime22:49:460
81630rcu_preempt0-21swapper/121:09:461
81630rcu_preempt0-21swapper/100:34:391
81630rcu_preempt0-21swapper/100:16:351
81620rcu_preempt0-21swapper/123:48:391
81620rcu_preempt0-21swapper/122:26:311
81620rcu_preempt0-21swapper/121:38:291
81620rcu_preempt0-21swapper/121:18:531
81620rcu_preempt0-21swapper/119:34:331
81620rcu_preempt0-21swapper/023:34:370
81610rcu_preempt31104-21diskmemload22:48:291
81610rcu_preempt27309-21sshd20:55:561
81610rcu_preempt23519-21munin-run20:44:190
81610rcu_preempt18575-21latency_hist20:24:190
81610rcu_preempt1569-21ssh23:16:131
81610rcu_preempt11685-21ssh22:34:521
81610rcu_preempt0-21swapper/122:09:511
81610rcu_preempt0-21swapper/122:01:411
81610rcu_preempt0-21swapper/023:59:340
81610rcu_preempt0-21swapper/021:59:440
81600rcu_preempt4574-21ssh23:21:510
81600rcu_preempt21456-21ssh23:54:041
81600rcu_preempt15814-21ssh00:43:461
81600rcu_preempt0-21swapper/121:44:451
81600rcu_preempt0-21swapper/119:59:361
81600rcu_preempt0-21swapper/100:04:421
81600rcu_preempt0-21swapper/023:39:370
81600rcu_preempt0-21swapper/022:13:450
81600rcu_preempt0-21swapper/021:57:460
81590rcu_preempt9691-21ssh22:32:191
81590rcu_preempt2101-21ssh22:18:570
81590rcu_preempt20906-21ssh22:53:191
81590rcu_preempt17376-21ssh21:46:260
81590rcu_preempt1463-21ssh22:17:041
81590rcu_preempt0-21swapper/122:55:191
81590rcu_preempt0-21swapper/120:24:371
81590rcu_preempt0-21swapper/120:17:021
81590rcu_preempt0-21swapper/119:54:371
81590rcu_preempt0-21swapper/021:29:400
81590rcu_preempt0-21swapper/021:19:220
81590rcu_preempt0-21swapper/020:54:350
81580rcu_preempt2098-21ssh23:17:480
81580rcu_preempt14496-21ssh22:39:571
81580rcu_preempt10135-21ssh21:34:310
81580rcu_preempt0-21swapper/123:10:311
81580rcu_preempt0-21swapper/121:29:511
81580rcu_preempt0-21swapper/120:08:061
81580rcu_preempt0-21swapper/119:44:391
81580rcu_preempt0-21swapper/023:05:310
81570rcu_preempt21060-21sort20:34:190
81570rcu_preempt20775-21ssh21:54:100
81570rcu_preempt0-21swapper/120:52:521
81570rcu_preempt0-21swapper/119:49:301
81570rcu_preempt0-21swapper/119:15:021
81570rcu_preempt0-21swapper/022:27:590
81570rcu_preempt0-21swapper/000:39:530
81560rcu_preempt0-21swapper/120:44:361
81560rcu_preempt0-21swapper/023:01:360
81560rcu_preempt0-21swapper/021:14:410
81560rcu_preempt0-21swapper/019:29:420
81550rcu_preempt5080-21df_inode19:29:331
81550rcu_preempt22660-21fw_forwarded_lo20:39:381
81550rcu_preempt21287-21df20:34:351
81550rcu_preempt0-21swapper/023:54:440
81550rcu_preempt0-21swapper/020:37:180
81550rcu_preempt0-21swapper/000:06:290
81540rcu_preempt0-21swapper/022:29:550
81540rcu_preempt0-21swapper/019:47:570
81530rcu_preempt0-21swapper/020:02:150
81530rcu_preempt0-21swapper/019:19:530
81520rcu_preempt0-21swapper/119:40:491
81520rcu_preempt0-21swapper/020:50:510
81510rcu_preempt0-21swapper/021:06:000
81510rcu_preempt0-21swapper/020:07:170
81500rcu_preempt18915-21fw_forwarded_lo20:24:370
81500rcu_preempt1768-21ntp_states19:14:420
81500rcu_preempt0-21swapper/019:34:310
875994946cyclictest945-21usb-storage20:14:191
81490rcu_preempt27464-21apt20:59:290
81480rcu_preempt20166-21fw_forwarded_lo20:29:381
81470rcu_preempt10437-21wc19:49:400
875994643cyclictest945-21usb-storage19:19:401
81440rcu_preempt23907-21diskstats20:44:360
875994239cyclictest945-21usb-storage20:19:301
151150380irq/29-eth0-rx-0-21swapper/020:14:390
81340rcu_preempt7615-21mktemp19:39:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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