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2026-04-26 - 19:30
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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 Sun Apr 26, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81730rcu_preempt24257-21/usr/sbin/munin10:31:270
81730rcu_preempt12751-21sh12:06:231
81730rcu_preempt0-21swapper/109:30:371
81720rcu_preempt0-21swapper/111:59:531
81720rcu_preempt0-21swapper/108:51:201
81720rcu_preempt0-21swapper/011:51:270
89850710irq/17-ehci_hcd945-21usb-storage12:36:171
81710rcu_preempt7021-21ssh10:59:061
81710rcu_preempt0-21swapper/112:31:251
81700rcu_preempt0-21swapper/112:24:201
81700rcu_preempt0-21swapper/110:46:251
81700rcu_preempt0-21swapper/012:41:590
81700rcu_preempt0-21swapper/010:55:530
81690rcu_preempt0-21swapper/107:51:261
81690rcu_preempt0-21swapper/010:56:250
81680rcu_preempt3507-21munin-run11:51:021
81680rcu_preempt12396-21diskmemload11:28:120
81680rcu_preempt0-21swapper/112:28:491
81680rcu_preempt0-21swapper/110:19:301
81680rcu_preempt0-21swapper/010:26:200
89850670irq/17-ehci_hcd945-21usb-storage09:02:031
81670rcu_preempt29749-21sh11:39:330
81670rcu_preempt28862-21munin-run12:36:020
81670rcu_preempt0-21swapper/109:34:471
81670rcu_preempt0-21swapper/011:41:040
89850660irq/17-ehci_hcd0-21swapper/110:15:531
81660rcu_preempt28744-21diskstats08:11:180
81660rcu_preempt2423-21/usr/sbin/munin08:36:281
81660rcu_preempt14390-21latency_hist07:16:021
81660rcu_preempt0-21swapper/012:07:160
81660rcu_preempt0-21swapper/009:49:330
89850650irq/17-ehci_hcd945-21usb-storage10:18:540
81650rcu_preempt21434-21ntp_states12:21:250
81650rcu_preempt18077-21ssh11:18:291
81650rcu_preempt17553-21rm09:23:221
81650rcu_preempt0-21swapper/111:44:511
81650rcu_preempt0-21swapper/110:28:571
81640rcu_preempt4186-21memory09:56:231
81640rcu_preempt13253-21munin-run11:11:020
81640rcu_preempt0-21swapper/110:21:281
81640rcu_preempt0-21swapper/007:21:180
81630rcu_preempt23868-21kworker/0:007:11:190
81630rcu_preempt19-21ksoftirqd/112:19:041
81630rcu_preempt14431-21head11:11:271
81630rcu_preempt0-21swapper/111:36:131
81630rcu_preempt0-21swapper/009:51:270
81630rcu_preempt0-21swapper/009:31:280
81630rcu_preempt0-21swapper/009:16:170
81630rcu_preempt0-21swapper/009:11:260
81620rcu_preempt31934-21df12:41:161
81620rcu_preempt28321-21users08:06:291
81620rcu_preempt27562-21ssh10:37:001
81620rcu_preempt26352-21ssh11:32:321
81620rcu_preempt0-21swapper/111:21:521
81620rcu_preempt0-21swapper/111:10:041
81620rcu_preempt0-21swapper/110:10:181
81620rcu_preempt0-21swapper/107:46:251
81620rcu_preempt0-21swapper/011:21:140
81620rcu_preempt0-21swapper/008:46:180
81610rcu_preempt9298-21ssh11:02:370
81610rcu_preempt9273-21df_abs10:06:150
81610rcu_preempt5390-21ssh11:53:171
81610rcu_preempt2174-21ssh09:52:381
81610rcu_preempt0-21swapper/112:11:111
81610rcu_preempt0-21swapper/111:01:231
81610rcu_preempt0-21swapper/110:35:201
81610rcu_preempt0-21swapper/109:50:501
81610rcu_preempt0-21swapper/108:26:161
81610rcu_preempt0-21swapper/012:26:230
81610rcu_preempt0-21swapper/011:57:490
81610rcu_preempt0-21swapper/010:23:520
81600rcu_preempt7001-21ssh10:01:250
81600rcu_preempt4182-21ssh10:54:121
81600rcu_preempt18395-21ssh09:25:430
81600rcu_preempt13861-21ssh09:16:421
81600rcu_preempt0-21swapper/109:45:421
81600rcu_preempt0-21swapper/107:46:001
81600rcu_preempt0-21swapper/107:26:241
81600rcu_preempt0-21swapper/010:40:040
81600rcu_preempt0-21swapper/008:51:260
81590rcu_preempt16282-21munin-node11:16:130
81590rcu_preempt0-21swapper/112:03:171
81590rcu_preempt0-21swapper/109:39:041
81590rcu_preempt0-21swapper/108:12:571
81590rcu_preempt0-21swapper/108:05:301
81590rcu_preempt0-21swapper/009:42:360
81590rcu_preempt0-21swapper/009:40:390
81590rcu_preempt0-21swapper/008:36:250
81590rcu_preempt0-21swapper/008:06:340
81580rcu_preempt3829-21df08:41:151
81580rcu_preempt12093-21ps09:11:261
81580rcu_preempt0-21swapper/111:27:441
81580rcu_preempt0-21swapper/108:31:221
81580rcu_preempt0-21swapper/012:40:170
81580rcu_preempt0-21swapper/012:17:330
81580rcu_preempt0-21swapper/012:01:210
81580rcu_preempt0-21swapper/011:14:190
81580rcu_preempt0-21swapper/010:14:230
81580rcu_preempt0-21swapper/009:27:080
81580rcu_preempt0-21swapper/007:41:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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