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2026-05-10 - 20:38
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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 Sun May 10, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71670rcu_preempt0-21swapper/209:53:212
71670rcu_preempt0-21swapper/209:53:212
1122599603cyclictest0-21swapper/011:28:200
1122599603cyclictest0-21swapper/011:28:200
1122599541cyclictest1959-21runrttasks11:09:200
1122599541cyclictest1959-21runrttasks11:09:200
1122599541cyclictest1959-21runrttasks11:09:200
11225995310cyclictest1790-21sh11:54:220
11225995310cyclictest1790-21sh11:54:220
1122599528cyclictest8620-21sh10:05:210
1122599528cyclictest8620-21sh10:05:210
1122599528cyclictest8620-21sh10:05:210
1122599523cyclictest11804-21ntp_states12:13:110
1122599523cyclictest11804-21ntp_states12:13:110
1122599523cyclictest0-21swapper/011:51:420
1122599523cyclictest0-21swapper/011:51:420
1122599523cyclictest0-21swapper/011:51:420
1122599522cyclictest17679-21latency_hist10:22:530
1122599517cyclictest23157-21sed07:53:170
1122599517cyclictest23157-21sed07:53:170
1122599517cyclictest23157-21sed07:53:170
1122599514cyclictest4815-1kworker/0:2H09:28:130
1122599514cyclictest4815-1kworker/0:2H09:28:130
1122599513cyclictest23517-21ntp_states10:33:130
1122599513cyclictest23517-21ntp_states10:33:130
1122599512cyclictest12795-21ntp_states10:13:130
1122599512cyclictest12795-21ntp_states10:13:130
1122599512cyclictest10840-21apt-get09:07:590
1122599512cyclictest10840-21apt-get09:07:590
1122599512cyclictest10840-21apt-get09:07:590
71500rcu_preempt17776-21users11:23:242
71500rcu_preempt17776-21users11:23:242
71500rcu_preempt17776-21users11:23:242
71500rcu_preempt17776-21users11:23:242
1122599504cyclictest0-21swapper/010:58:150
1122599504cyclictest0-21swapper/010:58:150
1122599503cyclictest14881-21apt-get10:17:560
1122599503cyclictest0-21swapper/010:48:440
1122599503cyclictest0-21swapper/010:48:440
1122599503cyclictest0-21swapper/010:48:440
1122599503cyclictest0-21swapper/008:23:060
1122599503cyclictest0-21swapper/008:23:060
1122599503cyclictest0-21swapper/008:08:140
1122599503cyclictest0-21swapper/008:08:140
1122599502cyclictest32215-21users09:48:210
1122599502cyclictest32215-21users09:48:210
1122599502cyclictest32215-21users09:48:210
1122599502cyclictest1959-21runrttasks11:42:550
1122599502cyclictest1959-21runrttasks11:42:550
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599502cyclictest15525-1kworker/0:2H11:19:190
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest6788-21apt-get11:02:580
1122599501cyclictest5987-21/usr/sbin/munin12:02:570
1122599501cyclictest5987-21/usr/sbin/munin12:02:570
1122599501cyclictest5987-21/usr/sbin/munin12:02:570
11225995018cyclictest25652-21idleruntime-cro09:37:460
11225995018cyclictest25652-21idleruntime-cro09:37:460
11225995018cyclictest25652-21idleruntime-cro09:37:460
1122599494cyclictest0-21swapper/010:23:040
1122599494cyclictest0-21swapper/010:23:040
1122599494cyclictest0-21swapper/010:23:040
1122599493cyclictest0-21swapper/011:38:100
1122599493cyclictest0-21swapper/011:38:100
1122599493cyclictest0-21swapper/011:38:100
1122599493cyclictest0-21swapper/008:52:590
1122599493cyclictest0-21swapper/008:52:590
1122599493cyclictest0-21swapper/007:18:020
1122599493cyclictest0-21swapper/007:18:020
1122599492cyclictest26137-21ssh09:38:050
1122599492cyclictest26137-21ssh09:38:050
1122599492cyclictest22408-21memory12:33:110
1122599492cyclictest22408-21memory12:33:110
1122599492cyclictest19351-21/usr/sbin/munin12:28:000
1122599492cyclictest19351-21/usr/sbin/munin12:28:000
1122599492cyclictest19351-21/usr/sbin/munin12:28:000
1122599491cyclictest3863-21latency_hist08:42:520
1122599491cyclictest3863-21latency_hist08:42:520
1122599491cyclictest18473-21ssh12:25:370
1122599491cyclictest18473-21ssh12:25:370
1122599491cyclictest0-21swapper/008:47:080
1122599491cyclictest0-21swapper/008:47:080
1122599491cyclictest0-21swapper/008:47:080
11225994916cyclictest16571-21munin-run12:22:460
11225994916cyclictest16571-21munin-run12:22:460
1122599483cyclictest28434-21apt-get10:42:570
1122599483cyclictest28434-21apt-get10:42:570
1122599483cyclictest0-21swapper/010:41:310
1122599483cyclictest0-21swapper/010:41:310
1122599483cyclictest0-21swapper/010:12:260
1122599483cyclictest0-21swapper/010:12:260
1122599482cyclictest9069-21ssh12:08:100
1122599482cyclictest9069-21ssh12:08:100
1122599482cyclictest3349-21ssh10:56:380
1122599482cyclictest3349-21ssh10:56:380
1122599482cyclictest29203-21ntp_states09:43:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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