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2026-09-08 - 15:34
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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 100 highest latencies:
System rack4slot4.osadl.org (updated Tue Sep 08, 2026 12:44:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71530rcu_preempt24403-21copy08:04:550
71530rcu_preempt24403-21copy08:04:550
71530rcu_preempt24403-21copy08:04:550
46050480irq/122-QManpo10604-2110:48:550
46050480irq/122-QManpo10604-2110:48:550
46050480irq/122-QManpo10604-2110:48:550
71470rcu_preempt0-21swapper/007:23:520
71470rcu_preempt0-21swapper/007:23:520
71460rcu_preempt0-21swapper/207:15:022
71460rcu_preempt0-21swapper/207:15:022
71460rcu_preempt0-21swapper/207:15:022
71460rcu_preempt0-21swapper/112:11:361
71460rcu_preempt0-21swapper/112:11:361
71460rcu_preempt0-21swapper/112:11:361
71460rcu_preempt0-21swapper/108:05:111
71460rcu_preempt0-21swapper/108:05:111
71450rcu_preempt0-21swapper/111:55:041
71450rcu_preempt0-21swapper/111:55:041
46050440irq/122-QManpo6854-2110:48:550
46050440irq/122-QManpo6854-2110:48:550
46050440irq/122-QManpo6854-2110:48:550
71410rcu_preempt5622-1kworker/0:2H10:01:070
71410rcu_preempt5622-1kworker/0:2H10:01:070
99750400irq/38-i2c-mpc12793-21ssh09:15:560
99750400irq/38-i2c-mpc12793-21ssh09:15:560
71400rcu_preempt1959-21runrttasks12:35:290
71400rcu_preempt1959-21runrttasks12:35:290
71400rcu_preempt1959-21runrttasks10:49:571
71400rcu_preempt1959-21runrttasks10:49:571
71400rcu_preempt0-21swapper/112:40:491
71400rcu_preempt0-21swapper/112:40:491
71400rcu_preempt0-21swapper/112:40:491
71400rcu_preempt0-21swapper/109:27:491
71400rcu_preempt0-21swapper/109:27:491
71400rcu_preempt0-21swapper/011:45:000
71400rcu_preempt0-21swapper/010:17:360
71400rcu_preempt0-21swapper/010:17:360
71390rcu_preempt10959-21runrttasks12:06:230
71390rcu_preempt10959-21runrttasks12:06:230
71390rcu_preempt0-21swapper/311:50:033
71390rcu_preempt0-21swapper/311:50:033
71390rcu_preempt0-21swapper/311:45:053
71390rcu_preempt0-21swapper/311:45:053
71390rcu_preempt0-21swapper/311:45:053
71390rcu_preempt0-21swapper/307:15:023
71390rcu_preempt0-21swapper/307:15:023
71390rcu_preempt0-21swapper/307:15:023
71390rcu_preempt0-21swapper/110:55:071
71390rcu_preempt0-21swapper/110:55:071
71390rcu_preempt0-21swapper/109:34:541
71390rcu_preempt0-21swapper/109:34:541
71390rcu_preempt0-21swapper/109:34:541
46050390irq/122-QManpo8793-2110:48:550
46050390irq/122-QManpo8793-2110:48:550
71380rcu_preempt19857-21munin-run09:29:530
71380rcu_preempt19857-21munin-run09:29:530
71380rcu_preempt1059-21copy11:50:050
71380rcu_preempt1059-21copy11:50:050
71380rcu_preempt0-21swapper/111:49:591
71380rcu_preempt0-21swapper/111:49:591
71380rcu_preempt0-21swapper/110:43:561
71380rcu_preempt0-21swapper/110:43:561
71380rcu_preempt0-21swapper/110:43:561
71380rcu_preempt0-21swapper/012:11:410
71380rcu_preempt0-21swapper/012:11:410
71380rcu_preempt0-21swapper/012:11:410
71380rcu_preempt0-21swapper/008:05:010
71380rcu_preempt0-21swapper/008:05:010
46250380irq/120-QManpo10604-2110:48:551
46250380irq/120-QManpo10604-2110:48:551
46250380irq/120-QManpo10604-2110:48:551
71370rcu_preempt16794-21kworker/0:009:35:040
71370rcu_preempt16794-21kworker/0:009:35:040
71370rcu_preempt16794-21kworker/0:009:35:040
71370rcu_preempt16014-21/usr/sbin/munin12:15:201
71370rcu_preempt16014-21/usr/sbin/munin12:15:201
71370rcu_preempt0-21swapper/311:57:593
71370rcu_preempt0-21swapper/311:57:593
71370rcu_preempt0-21swapper/212:25:062
71370rcu_preempt0-21swapper/212:25:062
71370rcu_preempt0-21swapper/112:25:371
71370rcu_preempt0-21swapper/112:25:371
71370rcu_preempt0-21swapper/111:44:441
71370rcu_preempt0-21swapper/111:44:441
71370rcu_preempt0-21swapper/109:44:571
71370rcu_preempt0-21swapper/109:44:571
71370rcu_preempt0-21swapper/109:44:571
71370rcu_preempt0-21swapper/108:59:551
71370rcu_preempt0-21swapper/108:59:551
71370rcu_preempt0-21swapper/108:19:511
71370rcu_preempt0-21swapper/108:19:511
71370rcu_preempt0-21swapper/012:25:470
71370rcu_preempt0-21swapper/012:25:470
71370rcu_preempt0-21swapper/011:56:420
71370rcu_preempt0-21swapper/011:56:420
71370rcu_preempt0-21swapper/011:00:140
71370rcu_preempt0-21swapper/011:00:140
71370rcu_preempt0-21swapper/009:50:400
71370rcu_preempt0-21swapper/009:50:400
71370rcu_preempt0-21swapper/009:42:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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