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2025-12-21 - 16:34
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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 Sun Dec 21, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81710rcu_preempt15123-21sshd10:02:280
81700rcu_preempt0-21swapper/012:26:420
81680rcu_preempt0-21swapper/112:33:411
81680rcu_preempt0-21swapper/009:42:170
81680rcu_preempt0-21swapper/009:37:360
81670rcu_preempt22771-21sh12:01:500
81670rcu_preempt11068-21ssh11:42:500
81670rcu_preempt0-21swapper/112:26:081
81670rcu_preempt0-21swapper/112:08:291
81670rcu_preempt0-21swapper/011:29:100
81670rcu_preempt0-21swapper/011:29:100
81670rcu_preempt0-21swapper/011:01:390
81670rcu_preempt0-21swapper/010:55:010
81660rcu_preempt31487-21ssh10:30:320
81660rcu_preempt27008-21munin-run12:10:200
81660rcu_preempt17834-21sh10:06:380
81660rcu_preempt15381-21diskmemload12:19:191
81660rcu_preempt15381-21diskmemload09:54:141
81660rcu_preempt0-21swapper/111:44:501
81660rcu_preempt0-21swapper/111:23:141
81660rcu_preempt0-21swapper/111:09:561
81660rcu_preempt0-21swapper/110:10:291
81660rcu_preempt0-21swapper/109:28:051
81660rcu_preempt0-21swapper/109:14:111
81650rcu_preempt22279-21sh11:07:540
81650rcu_preempt21662-21ssh09:20:331
81640rcu_preempt0-21swapper/110:50:411
81640rcu_preempt0-21swapper/110:39:011
81640rcu_preempt0-21swapper/110:33:171
81640rcu_preempt0-21swapper/108:10:421
147650640irq/28-eth0-rx-16767-21/usr/sbin/munin07:05:400
81630rcu_preempt6263-21ssh11:35:350
81630rcu_preempt29461-21load07:55:391
81630rcu_preempt25404-21sh11:13:131
81630rcu_preempt0-21swapper/112:12:191
81620rcu_preempt29708-21ssh10:26:011
81620rcu_preempt29194-21if_can007:55:360
81620rcu_preempt25682-21sort09:25:440
81620rcu_preempt0-21swapper/111:34:201
81620rcu_preempt0-21swapper/108:42:491
81620rcu_preempt0-21swapper/107:07:451
81620rcu_preempt0-21swapper/010:27:120
81610rcu_preempt26299-21latency_hist11:15:201
81610rcu_preempt26299-21latency_hist11:15:201
81610rcu_preempt0-21swapper/111:38:411
81610rcu_preempt0-21swapper/109:56:211
81610rcu_preempt0-21swapper/010:59:520
81610rcu_preempt0-21swapper/009:45:320
81610rcu_preempt0-21swapper/007:19:290
81600rcu_preempt5419-21cpu08:30:330
81600rcu_preempt2642-21ssh11:29:441
81600rcu_preempt2642-21ssh11:29:441
81600rcu_preempt2509-21ssh09:40:531
81600rcu_preempt22775-21ssh12:01:501
81600rcu_preempt22663-21diskstats10:15:370
81600rcu_preempt15381-21diskmemload11:15:430
81600rcu_preempt15381-21diskmemload11:15:430
81600rcu_preempt10849-21which12:35:450
81600rcu_preempt0-21swapper/112:20:441
81600rcu_preempt0-21swapper/110:23:591
81600rcu_preempt0-21swapper/110:10:051
81600rcu_preempt0-21swapper/110:04:371
81600rcu_preempt0-21swapper/109:49:051
81600rcu_preempt0-21swapper/109:35:371
81600rcu_preempt0-21swapper/012:15:350
81600rcu_preempt0-21swapper/010:39:300
81600rcu_preempt0-21swapper/008:35:330
81590rcu_preempt9441-21ssh12:34:420
81590rcu_preempt7775-21ssh10:44:461
81590rcu_preempt13747-21ssh11:46:550
81590rcu_preempt0-21swapper/111:59:041
81590rcu_preempt0-21swapper/111:50:481
81590rcu_preempt0-21swapper/109:31:221
81590rcu_preempt0-21swapper/108:20:341
81590rcu_preempt0-21swapper/011:30:350
81590rcu_preempt0-21swapper/010:49:160
81590rcu_preempt0-21swapper/009:23:050
81590rcu_preempt0-21swapper/008:55:370
81590rcu_preempt0-21swapper/007:10:500
81580rcu_preempt24623-21ssh10:18:451
81580rcu_preempt15941-21ssh10:57:071
81580rcu_preempt0-21swapper/111:45:391
81580rcu_preempt0-21swapper/111:02:131
81580rcu_preempt0-21swapper/109:19:101
81580rcu_preempt0-21swapper/109:01:231
81580rcu_preempt0-21swapper/108:30:381
81580rcu_preempt0-21swapper/011:14:370
81580rcu_preempt0-21swapper/010:40:400
81580rcu_preempt0-21swapper/008:45:450
81580rcu_preempt0-21swapper/008:00:410
81580rcu_preempt0-21swapper/007:36:280
89850570irq/17-ehci_hcd15381-21diskmemload11:20:350
81570rcu_preempt29456-21ssh09:32:300
81570rcu_preempt26997-21ssh10:21:520
81570rcu_preempt16101-21interrupts09:10:380
81570rcu_preempt0-21swapper/112:36:281
81570rcu_preempt0-21swapper/108:35:381
81570rcu_preempt0-21swapper/107:35:271
81570rcu_preempt0-21swapper/011:52:220
81570rcu_preempt0-21swapper/009:51:440
81570rcu_preempt0-21swapper/009:15:480
81560rcu_preempt0-21swapper/110:45:351
81560rcu_preempt0-21swapper/108:57:231
81560rcu_preempt0-21swapper/108:49:471
81560rcu_preempt0-21swapper/108:29:131
81560rcu_preempt0-21swapper/107:17:001
81560rcu_preempt0-21swapper/008:20:350
81550rcu_preempt19329-21ssh10:10:260
81550rcu_preempt0-21swapper/108:19:151
81550rcu_preempt0-21swapper/107:31:331
81550rcu_preempt0-21swapper/107:25:391
81550rcu_preempt0-21swapper/012:13:430
81550rcu_preempt0-21swapper/007:40:370
81550rcu_preempt0-21swapper/007:30:440
81550rcu_preempt0-21swapper/007:28:130
81550rcu_preempt0-21swapper/007:22:140
81540rcu_preempt32557-21munin-run08:10:190
81540rcu_preempt15182-21python09:05:471
81540rcu_preempt0-21swapper/108:53:231
81540rcu_preempt0-21swapper/108:01:231
81540rcu_preempt0-21swapper/107:53:391
81540rcu_preempt0-21swapper/107:20:511
81540rcu_preempt0-21swapper/012:20:280
81540rcu_preempt0-21swapper/009:59:110
81530rcu_preempt0-21swapper/107:43:421
81530rcu_preempt0-21swapper/007:54:580
81520rcu_preempt15381-21diskmemload11:58:010
81520rcu_preempt10716-21diskstats08:50:350
81520rcu_preempt0-21swapper/009:05:470
81520rcu_preempt0-21swapper/009:01:550
81520rcu_preempt0-21swapper/008:11:050
81510rcu_preempt0-21swapper/107:45:511
81510rcu_preempt0-21swapper/007:47:590
81490rcu_preempt31696-21fw_conntrack08:05:361
81470rcu_preempt4354-21df_inode08:25:320
81400rcu_preempt8253-21/usr/sbin/munin08:40:370
17412994011cyclictest0-21swapper/008:19:550
17413993734cyclictest945-21usb-storage07:10:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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