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2026-06-08 - 23:18
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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 100 highest latencies:
System rackcslot3.osadl.org (updated Mon Jun 08, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811070rcu_preempt3852-21ssh10:24:451
146550930irq/30-eth0-tx-181ktimersoftd/110:53:251
81880rcu_preempt0-21swapper/011:37:160
81830rcu_preempt19-21ksoftirqd/111:54:261
89950770irq/17-ehci_hcd945-21usb-storage12:03:390
81760rcu_preempt10599-21df10:38:371
81760rcu_preempt0-21swapper/009:16:200
81720rcu_preempt29476-21tr12:13:351
81710rcu_preempt28433-21diskmemload09:48:560
81700rcu_preempt22756-1kworker/0:2H10:04:380
81700rcu_preempt16477-21memory08:23:431
81700rcu_preempt11300-21ntp_states11:38:461
81700rcu_preempt10811-21ssh12:38:410
81690rcu_preempt26201-21df09:03:351
81690rcu_preempt19303-21awk11:53:430
89950680irq/17-ehci_hcd18476-21apache207:13:040
81680rcu_preempt5047-21sh12:28:280
81680rcu_preempt3-21ksoftirqd/010:54:070
81680rcu_preempt28433-21diskmemload11:20:271
81680rcu_preempt12634-21latency08:08:420
81680rcu_preempt0-21swapper/110:49:421
89950670irq/17-ehci_hcd945-21usb-storage07:37:081
81670rcu_preempt4898-21munin-run12:28:221
81670rcu_preempt28433-21diskmemload11:58:461
81670rcu_preempt28433-21diskmemload11:49:391
81670rcu_preempt21003-21apt-get08:43:330
81670rcu_preempt0-21swapper/111:45:481
81670rcu_preempt0-21swapper/010:33:370
81660rcu_preempt2343-21cat11:23:230
81660rcu_preempt0-21swapper/112:21:411
81660rcu_preempt0-21swapper/110:45:081
81660rcu_preempt0-21swapper/109:38:501
81660rcu_preempt0-21swapper/107:08:561
81660rcu_preempt0-21swapper/012:18:380
81660rcu_preempt0-21swapper/009:33:250
81660rcu_preempt0-21swapper/009:18:330
81650rcu_preempt5647-21munin-run07:43:220
81650rcu_preempt22271-21which11:58:480
81650rcu_preempt0-21swapper/110:09:011
81650rcu_preempt0-21swapper/109:14:391
81650rcu_preempt0-21swapper/108:18:351
81650rcu_preempt0-21swapper/107:26:331
81640rcu_preempt20842-21cron08:43:221
81640rcu_preempt0-21swapper/109:29:531
81640rcu_preempt0-21swapper/107:22:481
81640rcu_preempt0-21swapper/012:23:360
81640rcu_preempt0-21swapper/010:31:310
81640rcu_preempt0-21swapper/010:19:410
81630rcu_preempt6901-21sshd07:46:330
81630rcu_preempt6002-21df_abs07:43:361
81630rcu_preempt1717-21rs:main0
81630rcu_preempt0-21swapper/112:03:421
81630rcu_preempt0-21swapper/111:05:191
81630rcu_preempt0-21swapper/108:49:171
81630rcu_preempt0-21swapper/107:48:431
81630rcu_preempt0-21swapper/008:33:400
81630rcu_preempt0-21swapper/007:28:430
81620rcu_preempt9414-21sshd07:55:331
81620rcu_preempt9375-21ssh09:36:161
81620rcu_preempt5633-21if_wlan011:28:391
81620rcu_preempt28667-21ssh11:11:311
81620rcu_preempt0-21swapper/112:31:111
81620rcu_preempt0-21swapper/111:13:431
81620rcu_preempt0-21swapper/110:13:481
81610rcu_preempt6466-21ssh10:29:501
81610rcu_preempt25893-21ssh10:06:421
81610rcu_preempt22287-21ssh09:58:531
81610rcu_preempt20393-21ssh09:56:231
81610rcu_preempt17264-21ssh09:50:161
81610rcu_preempt14641-21cpu08:18:340
81610rcu_preempt0-21swapper/108:53:501
81610rcu_preempt0-21swapper/008:38:400
81600rcu_preempt9650-21ssh11:36:161
81600rcu_preempt28442-21munin-run09:13:220
81600rcu_preempt27793-1kworker/0:1H12:10:020
81600rcu_preempt24553-21cat11:03:450
81600rcu_preempt23555-21ssh11:02:581
81600rcu_preempt1949-21ssh10:22:421
81600rcu_preempt0-21swapper/110:33:511
81600rcu_preempt0-21swapper/011:52:580
81600rcu_preempt0-21swapper/010:38:350
81600rcu_preempt0-21swapper/010:25:560
81600rcu_preempt0-21swapper/009:53:560
81600rcu_preempt0-21swapper/009:44:520
81600rcu_preempt0-21swapper/009:31:060
81590rcu_preempt9073-21ssh12:34:321
81590rcu_preempt14329-21ssh10:44:080
81590rcu_preempt12926-21ssh11:43:000
81590rcu_preempt0-21swapper/111:23:411
81590rcu_preempt0-21swapper/109:25:301
81590rcu_preempt0-21swapper/107:38:391
81590rcu_preempt0-21swapper/008:28:390
81580rcu_preempt6800-21ssh11:30:330
81580rcu_preempt28433-21diskmemload10:51:510
81580rcu_preempt28257-21ssh11:10:130
81580rcu_preempt2192-21snmpd07:22:130
81580rcu_preempt0-21swapper/112:41:561
81580rcu_preempt0-21swapper/112:11:581
81580rcu_preempt0-21swapper/109:45:571
81580rcu_preempt0-21swapper/109:20:551
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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