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2026-05-02 - 15:02
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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 Sat May 02, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt7952-21/usr/sbin/munin07:05:340
81790rcu_preempt4214-21cut09:00:281
81790rcu_preempt25169-21mailstats10:35:391
146650780irq/31-eth0-tx-181ktimersoftd/111:46:331
81760rcu_preempt0-21swapper/107:20:371
81760rcu_preempt0-21swapper/011:35:150
81730rcu_preempt0-21swapper/112:36:081
146650730irq/31-eth0-tx-181ktimersoftd/109:34:171
81720rcu_preempt6463-21diskmemload11:35:140
81690rcu_preempt0-21swapper/012:16:280
81690rcu_preempt0-21swapper/009:43:010
81690rcu_preempt0-21swapper/007:45:340
81680rcu_preempt0-21swapper/008:40:390
81670rcu_preempt0-21swapper/009:14:590
81650rcu_preempt27472-21ssh09:45:260
81650rcu_preempt12151-21ls07:20:390
81640rcu_preempt0-21swapper/112:34:331
81630rcu_preempt7517-21memory10:05:350
81630rcu_preempt0-21swapper/111:58:281
81630rcu_preempt0-21swapper/110:51:141
81630rcu_preempt0-21swapper/011:56:350
81630rcu_preempt0-21swapper/011:40:330
81630rcu_preempt0-21swapper/009:34:360
146250630irq/28-eth0-rx-41ktimersoftd/010:15:230
81620rcu_preempt9610-21forks11:05:310
81620rcu_preempt0-21swapper/111:30:101
81620rcu_preempt0-21swapper/111:17:021
81620rcu_preempt0-21swapper/109:25:571
81620rcu_preempt0-21swapper/108:59:481
81620rcu_preempt0-21swapper/108:15:481
81620rcu_preempt0-21swapper/107:09:041
81620rcu_preempt0-21swapper/008:18:450
81610rcu_preempt4248-21ssh11:51:481
81610rcu_preempt22579-21ssh09:35:390
81610rcu_preempt19388-21ssh11:21:481
81610rcu_preempt13695-21ntp_states09:20:370
81610rcu_preempt12576-21ssh12:05:531
81610rcu_preempt0-21swapper/112:29:501
81610rcu_preempt0-21swapper/112:03:081
81610rcu_preempt0-21swapper/107:18:291
81610rcu_preempt0-21swapper/011:04:040
81610rcu_preempt0-21swapper/009:50:330
146250610irq/28-eth0-rx-16473-21fw_forwarded_lo07:40:310
81600rcu_preempt9268-21ssh09:14:241
81600rcu_preempt30489-21ssh11:40:441
81600rcu_preempt13814-21ssh11:12:161
81600rcu_preempt11720-21ssh11:09:261
81600rcu_preempt0-21swapper/112:20:331
81600rcu_preempt0-21swapper/112:15:291
81600rcu_preempt0-21swapper/110:16:501
81600rcu_preempt0-21swapper/107:55:271
81600rcu_preempt0-21swapper/010:36:470
81590rcu_preempt7890-21ssh10:05:391
81590rcu_preempt28648-21ssh09:45:431
81590rcu_preempt27218-21ssh09:45:071
81590rcu_preempt27036-21ssh12:31:540
81590rcu_preempt25224-21ssh11:32:131
81590rcu_preempt20493-21ssh10:28:421
81590rcu_preempt12248-21ssh10:14:581
81590rcu_preempt0-21swapper/110:42:161
81590rcu_preempt0-21swapper/109:05:351
81590rcu_preempt0-21swapper/011:11:270
81590rcu_preempt0-21swapper/009:00:350
81580rcu_preempt7867-21ssh11:01:451
81580rcu_preempt27646-21ssh11:35:481
81580rcu_preempt21062-21munin-run10:30:150
81580rcu_preempt12041-21ssh09:18:301
81580rcu_preempt0-21swapper/110:03:451
81580rcu_preempt0-21swapper/109:55:341
81580rcu_preempt0-21swapper/109:50:301
81580rcu_preempt0-21swapper/109:22:221
81580rcu_preempt0-21swapper/108:26:411
81580rcu_preempt0-21swapper/107:40:371
81580rcu_preempt0-21swapper/012:26:060
81580rcu_preempt0-21swapper/012:12:540
81580rcu_preempt0-21swapper/011:55:000
81580rcu_preempt0-21swapper/010:55:500
81580rcu_preempt0-21swapper/010:10:300
81580rcu_preempt0-21swapper/008:05:330
81570rcu_preempt5633-21ssh10:58:571
81570rcu_preempt30157-21ssh12:37:350
81570rcu_preempt23780-21ssh09:38:471
81570rcu_preempt22540-21ssh11:27:370
81570rcu_preempt0-21swapper/112:10:321
81570rcu_preempt0-21swapper/110:30:481
81570rcu_preempt0-21swapper/110:23:431
81570rcu_preempt0-21swapper/108:13:391
81570rcu_preempt0-21swapper/107:35:361
81570rcu_preempt0-21swapper/011:45:260
81570rcu_preempt0-21swapper/011:16:390
81570rcu_preempt0-21swapper/010:23:580
81570rcu_preempt0-21swapper/010:05:010
81570rcu_preempt0-21swapper/009:26:120
81570rcu_preempt0-21swapper/008:13:340
8504995651cyclictest945-21usb-storage08:01:591
81560rcu_preempt0-21swapper/108:45:321
81560rcu_preempt0-21swapper/108:25:091
81560rcu_preempt0-21swapper/108:05:341
81560rcu_preempt0-21swapper/012:01:200
81560rcu_preempt0-21swapper/010:33:510
81560rcu_preempt0-21swapper/009:55:480
81560rcu_preempt0-21swapper/008:30:400
81560rcu_preempt0-21swapper/008:26:310
81550rcu_preempt741-21sshd08:45:340
81550rcu_preempt12417-21/usr/sbin/munin07:25:351
81550rcu_preempt0-21swapper/110:49:511
81550rcu_preempt0-21swapper/108:50:411
81550rcu_preempt0-21swapper/008:50:340
81540rcu_preempt21571-21ssh12:22:120
81540rcu_preempt12991-21ssh12:07:080
81540rcu_preempt0-21swapper/010:46:290
81540rcu_preempt0-21swapper/009:15:500
81540rcu_preempt0-21swapper/008:55:320
81540rcu_preempt0-21swapper/007:25:310
8504995340cyclictest945-21usb-storage08:40:331
81530rcu_preempt715-21ssh10:50:310
81530rcu_preempt0-21swapper/107:32:051
81530rcu_preempt0-21swapper/011:22:450
81520rcu_preempt28725-21ssh10:42:200
81520rcu_preempt0-21swapper/009:05:380
81520rcu_preempt0-21swapper/008:24:310
81520rcu_preempt0-21swapper/007:35:330
81520rcu_preempt0-21swapper/007:10:280
81510rcu_preempt18987-21fw_forwarded_lo07:50:301
8504995048cyclictest945-21usb-storage07:45:351
8504995047cyclictest945-21usb-storage07:11:211
81500rcu_preempt0-21swapper/007:58:080
8504994947cyclictest945-21usb-storage08:39:361
8504994946cyclictest945-21usb-storage08:34:491
81490rcu_preempt0-21swapper/007:34:010
81480rcu_preempt0-21swapper/007:19:090
8496994744cyclictest945-21usb-storage07:50:350
8496993936cyclictest945-21usb-storage08:01:300
81380rcu_preempt30488-21if_eth008:35:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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