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2025-12-31 - 05:20
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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 Dec 31, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81730rcu_preempt19-21ksoftirqd/100:10:361
81700rcu_preempt6041-21sh23:08:550
81700rcu_preempt0-21swapper/020:51:060
81700rcu_preempt0-21swapper/019:11:090
81690rcu_preempt9602-21munin-run19:35:450
81690rcu_preempt0-21swapper/020:40:460
81680rcu_preempt0-21swapper/021:24:570
81680rcu_preempt0-21swapper/000:01:110
81670rcu_preempt26870-21sh22:48:540
81670rcu_preempt17760-21sh23:29:300
81660rcu_preempt1971-21if_eth022:06:060
81660rcu_preempt0-21swapper/122:16:121
81660rcu_preempt0-21swapper/121:41:531
81650rcu_preempt0-21swapper/121:58:211
81650rcu_preempt0-21swapper/121:19:451
81650rcu_preempt0-21swapper/100:10:491
81650rcu_preempt0-21swapper/022:36:340
81650rcu_preempt0-21swapper/021:29:200
81640rcu_preempt16708-21needreboot20:01:060
81640rcu_preempt12137-21munin-run19:45:450
81640rcu_preempt0-21swapper/021:33:520
81630rcu_preempt5845-21ssh00:05:221
81630rcu_preempt22294-21fw_conntrack22:41:030
81630rcu_preempt0-21swapper/122:51:161
81630rcu_preempt0-21swapper/121:36:591
81630rcu_preempt0-21swapper/119:55:581
81630rcu_preempt0-21swapper/023:20:330
81630rcu_preempt0-21swapper/021:11:100
81620rcu_preempt2989-21awk19:06:111
81620rcu_preempt14691-21ssh22:26:481
81620rcu_preempt0-21swapper/119:26:111
81620rcu_preempt0-21swapper/119:22:291
81620rcu_preempt0-21swapper/100:22:311
81610rcu_preempt6033-21ssh23:08:531
81610rcu_preempt3203-21ssh23:03:461
81610rcu_preempt22670-21ssh23:36:441
81610rcu_preempt1511-21sort23:01:040
81610rcu_preempt11230-21ssh23:16:401
81610rcu_preempt0-21swapper/122:56:281
81610rcu_preempt0-21swapper/023:31:330
81610rcu_preempt0-21swapper/000:21:070
81600rcu_preempt30830-21sendmail_mailst20:56:110
81600rcu_preempt26045-21ssh00:40:421
81600rcu_preempt13527-21ssh00:18:231
81600rcu_preempt0-21swapper/121:51:121
81600rcu_preempt0-21swapper/121:22:291
81600rcu_preempt0-21swapper/120:31:401
81600rcu_preempt0-21swapper/019:06:050
81600rcu_preempt0-21swapper/000:18:150
3299996058cyclictest79950irq/19-0000:00:23:00:460
81590rcu_preempt6904-21apt-get23:10:561
81590rcu_preempt6904-21apt-get23:10:561
81590rcu_preempt26293-21ssh22:47:051
81590rcu_preempt0-21swapper/123:32:131
81590rcu_preempt0-21swapper/123:26:071
81590rcu_preempt0-21swapper/122:41:101
81590rcu_preempt0-21swapper/122:21:011
81590rcu_preempt0-21swapper/121:27:301
81590rcu_preempt0-21swapper/100:31:031
81590rcu_preempt0-21swapper/021:36:030
81580rcu_preempt5820-21ssh22:11:411
81580rcu_preempt3157-21ssh22:07:321
81580rcu_preempt30541-21ssh22:00:310
81580rcu_preempt0-21swapper/123:43:321
81580rcu_preempt0-21swapper/123:23:411
81580rcu_preempt0-21swapper/122:36:381
81580rcu_preempt0-21swapper/121:46:351
81580rcu_preempt0-21swapper/121:31:111
81580rcu_preempt0-21swapper/120:06:031
81580rcu_preempt0-21swapper/100:29:131
81580rcu_preempt0-21swapper/023:36:050
81580rcu_preempt0-21swapper/021:48:180
81580rcu_preempt0-21swapper/020:16:020
81580rcu_preempt0-21swapper/019:22:110
81570rcu_preempt29551-21ssh23:50:121
81570rcu_preempt1987-1kworker/0:2H00:08:110
81570rcu_preempt17857-21ssh22:32:571
81570rcu_preempt12602-21ssh22:24:220
81570rcu_preempt0-21swapper/123:56:071
81570rcu_preempt0-21swapper/121:12:081
81570rcu_preempt0-21swapper/121:01:051
81570rcu_preempt0-21swapper/120:56:031
81570rcu_preempt0-21swapper/120:53:361
81570rcu_preempt0-21swapper/120:21:061
81570rcu_preempt0-21swapper/023:21:120
81570rcu_preempt0-21swapper/019:51:030
81560rcu_preempt456-21if_eth021:06:041
81560rcu_preempt4527-21sshd19:12:171
81560rcu_preempt29936-21ssh23:50:521
81560rcu_preempt29379-21ssh23:49:400
81560rcu_preempt0-21swapper/122:02:141
81560rcu_preempt0-21swapper/119:55:411
81560rcu_preempt0-21swapper/023:14:470
81560rcu_preempt0-21swapper/023:14:470
81560rcu_preempt0-21swapper/022:34:560
81560rcu_preempt0-21swapper/022:16:390
81560rcu_preempt0-21swapper/022:11:160
81560rcu_preempt0-21swapper/021:51:550
81560rcu_preempt0-21swapper/021:17:380
81560rcu_preempt0-21swapper/020:26:100
81560rcu_preempt0-21swapper/000:36:410
81560rcu_preempt0-21swapper/000:29:460
81550rcu_preempt32385-21ssh22:02:150
81550rcu_preempt0-21swapper/120:03:151
81550rcu_preempt0-21swapper/119:46:001
81550rcu_preempt0-21swapper/119:36:071
81550rcu_preempt0-21swapper/023:56:130
81550rcu_preempt0-21swapper/020:34:100
81550rcu_preempt0-21swapper/019:39:020
81540rcu_preempt10652-21ssh00:13:090
81540rcu_preempt0-21swapper/120:11:111
81540rcu_preempt0-21swapper/119:31:031
81540rcu_preempt0-21swapper/023:53:210
81540rcu_preempt0-21swapper/023:41:060
81540rcu_preempt0-21swapper/021:06:330
81540rcu_preempt0-21swapper/021:01:030
81540rcu_preempt0-21swapper/020:48:180
81540rcu_preempt0-21swapper/020:36:060
81540rcu_preempt0-21swapper/020:06:070
81540rcu_preempt0-21swapper/019:46:180
81540rcu_preempt0-21swapper/000:32:570
81530rcu_preempt14531-21ssh22:26:200
81530rcu_preempt0-21swapper/120:44:011
81530rcu_preempt0-21swapper/020:21:060
81520rcu_preempt0-21swapper/120:47:171
81520rcu_preempt0-21swapper/022:51:210
81520rcu_preempt0-21swapper/021:41:390
81520rcu_preempt0-21swapper/019:56:040
81510rcu_preempt22590-21df_abs20:26:001
81500rcu_preempt4937-21diskstats19:15:590
81500rcu_preempt4931-21df_inode19:15:591
147650420irq/28-eth0-rx-18579-21apt-get20:10:580
3300994138cyclictest945-21usb-storage20:36:021
3300993936cyclictest945-21usb-storage20:16:001
147950380irq/31-eth0-tx-7491-21fw_conntrack19:26:020
89850370irq/17-ehci_hcd945-21usb-storage19:42:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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