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2026-05-12 - 09:21
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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 12, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89550850irq/17-ehci_hcd19692-21apt21:11:030
81820rcu_preempt16671-21fw_conntrack23:01:201
81800rcu_preempt19-21ksoftirqd/100:05:311
81790rcu_preempt0-21swapper/119:07:181
81780rcu_preempt0-21swapper/119:46:231
81770rcu_preempt0-21swapper/023:39:540
81750rcu_preempt19-21ksoftirqd/123:50:271
81750rcu_preempt19-21ksoftirqd/122:45:471
81710rcu_preempt7771-21sh23:43:470
81690rcu_preempt19691-21diskmemload22:05:090
81690rcu_preempt0-21swapper/020:42:550
81680rcu_preempt21743-21munin-run23:11:030
81680rcu_preempt11239-21ssh22:51:220
81680rcu_preempt10531-21ssh22:50:330
81680rcu_preempt0-21swapper/023:29:300
81680rcu_preempt0-21swapper/022:24:100
81680rcu_preempt0-21swapper/022:14:360
81680rcu_preempt0-21swapper/021:37:290
81680rcu_preempt0-21swapper/020:26:300
81660rcu_preempt31964-21needreboot21:31:230
81660rcu_preempt0-21swapper/023:15:590
81660rcu_preempt0-21swapper/021:52:140
81660rcu_preempt0-21swapper/021:01:290
89950650irq/17-ehci_hcd945-21usb-storage23:16:251
81650rcu_preempt29225-21ssh21:26:260
81650rcu_preempt19-21ksoftirqd/122:48:131
81640rcu_preempt9936-21munin-run21:51:030
81640rcu_preempt25400-21sh21:20:320
81640rcu_preempt0-21swapper/000:30:160
146250640irq/28-eth0-rx-111rcuc/021:22:060
81630rcu_preempt0-21swapper/021:14:330
81630rcu_preempt0-21swapper/019:56:270
81630rcu_preempt0-21swapper/019:11:170
81620rcu_preempt0-21swapper/019:56:030
81610rcu_preempt29061-21ssh22:25:171
81610rcu_preempt20806-21diskstats19:06:180
81610rcu_preempt0-21swapper/123:12:581
81610rcu_preempt0-21swapper/123:08:441
81610rcu_preempt0-21swapper/121:52:371
81610rcu_preempt0-21swapper/022:16:120
81610rcu_preempt0-21swapper/000:24:510
89950600irq/17-ehci_hcd945-21usb-storage22:32:050
81600rcu_preempt7087-21ssh23:41:341
81600rcu_preempt27892-21ssh23:21:220
81600rcu_preempt26317-21ssh00:18:181
81600rcu_preempt18996-21/usr/sbin/munin23:06:030
81600rcu_preempt0-21swapper/123:29:551
81600rcu_preempt0-21swapper/123:21:291
81600rcu_preempt0-21swapper/122:11:261
81600rcu_preempt0-21swapper/122:04:051
81600rcu_preempt0-21swapper/121:22:221
81600rcu_preempt0-21swapper/121:11:201
81600rcu_preempt0-21swapper/119:17:371
81600rcu_preempt0-21swapper/100:40:221
81600rcu_preempt0-21swapper/100:07:061
81600rcu_preempt0-21swapper/100:00:021
81600rcu_preempt0-21swapper/022:26:230
81600rcu_preempt0-21swapper/022:06:280
89950590irq/17-ehci_hcd0-21swapper/121:36:161
81590rcu_preempt8554-21ssh21:46:561
81590rcu_preempt30019-21ssh21:27:551
81590rcu_preempt23985-21ssh00:14:431
81590rcu_preempt1905-21ssh22:34:301
81590rcu_preempt1818-21ssh23:32:371
81590rcu_preempt15334-21ssh22:00:420
81590rcu_preempt0-21swapper/122:55:211
81590rcu_preempt0-21swapper/122:17:591
81590rcu_preempt0-21swapper/122:09:051
81590rcu_preempt0-21swapper/121:41:351
81590rcu_preempt0-21swapper/121:31:191
81590rcu_preempt0-21swapper/121:01:281
81590rcu_preempt0-21swapper/100:26:201
81590rcu_preempt0-21swapper/000:17:450
81580rcu_preempt3862-21ssh22:36:521
81580rcu_preempt28579-21ssh00:21:361
81580rcu_preempt26245-21ssh23:18:270
81580rcu_preempt23497-21ssh21:16:231
81580rcu_preempt13584-21ssh23:54:480
81580rcu_preempt0-21swapper/122:59:361
81580rcu_preempt0-21swapper/122:28:581
81580rcu_preempt0-21swapper/120:56:251
81580rcu_preempt0-21swapper/119:11:221
81580rcu_preempt0-21swapper/022:57:560
81580rcu_preempt0-21swapper/020:21:270
81580rcu_preempt0-21swapper/000:11:360
21706995847cyclictest945-21usb-storage00:32:491
81570rcu_preempt3208-21sshd20:04:381
81570rcu_preempt3-21ksoftirqd/000:06:430
81570rcu_preempt16462-21ssh00:00:130
81570rcu_preempt0-21swapper/121:56:041
81570rcu_preempt0-21swapper/120:26:271
81570rcu_preempt0-21swapper/120:06:261
81570rcu_preempt0-21swapper/023:46:140
81570rcu_preempt0-21swapper/022:36:300
81570rcu_preempt0-21swapper/000:35:250
81560rcu_preempt5672-21fw_conntrack22:41:190
81560rcu_preempt4522-21ssh23:37:191
81560rcu_preempt4506-21ssh00:36:320
81560rcu_preempt13324-21ssh23:53:591
81560rcu_preempt0-21swapper/120:44:581
81560rcu_preempt0-21swapper/120:31:221
81560rcu_preempt0-21swapper/120:21:201
81560rcu_preempt0-21swapper/119:21:171
81560rcu_preempt0-21swapper/020:46:200
81560rcu_preempt0-21swapper/020:01:270
81550rcu_preempt1618-21ssh23:31:580
81550rcu_preempt0-21swapper/121:08:231
81550rcu_preempt0-21swapper/120:11:211
81550rcu_preempt0-21swapper/119:58:071
81550rcu_preempt0-21swapper/119:28:051
81550rcu_preempt0-21swapper/020:36:030
81550rcu_preempt0-21swapper/020:31:270
81550rcu_preempt0-21swapper/019:41:200
81550rcu_preempt0-21swapper/000:01:590
21706995546cyclictest945-21usb-storage20:48:391
81540rcu_preempt29479-21egrep19:41:151
81540rcu_preempt0-21swapper/020:56:470
81540rcu_preempt0-21swapper/020:17:380
81540rcu_preempt0-21swapper/020:09:380
81540rcu_preempt0-21swapper/019:31:210
81530rcu_preempt6602-21ntp_states20:16:271
81530rcu_preempt5701-21ssh21:41:520
81530rcu_preempt28289-21df19:36:161
81530rcu_preempt0-21swapper/020:51:200
81530rcu_preempt0-21swapper/019:29:230
81520rcu_preempt27612-21ntp_states19:31:231
81520rcu_preempt15344-21memory20:51:241
81520rcu_preempt0-21swapper/019:49:120
81520rcu_preempt0-21swapper/019:40:540
81520rcu_preempt0-21swapper/019:19:260
21706995148cyclictest945-21usb-storage20:37:501
21706995047cyclictest945-21usb-storage19:51:201
89550420irq/17-ehci_hcd0-21swapper/019:23:150
81320rcu_preempt3-21ksoftirqd/020:11:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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