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2026-04-21 - 18:41
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Tue Apr 21, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2684791998778,5cyclictest2802093-21kworker/u4:13+events_unbound11:00:010
2684791998577,6cyclictest2792590-21kworker/u4:10+events_unbound11:05:020
268479199844,49cyclictest2795201-21apt-get10:40:130
2684791998263,15cyclictest2877426-21ssh12:15:110
2684791998245,31cyclictest53-21kswapd010:25:080
2684791998070,7cyclictest2892529-21kworker/u4:0+events_unbound12:40:000
2684793997769,6cyclictest2722881-21kworker/u4:8+events_unbound09:29:481
2684791997770,5cyclictest2784361-21kworker/u4:0+events_unbound10:34:580
2684793997366,4cyclictest2735708-21kworker/u4:2+events_unbound09:35:011
2684793997366,4cyclictest2735708-21kworker/u4:2+events_unbound09:35:001
2684791997365,5cyclictest2686016-21kworker/u4:6+events_unbound08:30:010
2684791997256,13cyclictest53-21kswapd011:40:110
2684791997163,6cyclictest2832268-21kworker/u4:4+events_unbound12:00:130
268479199696,61cyclictest0-21swapper/009:50:380
2684793996860,6cyclictest2832269-21kworker/u4:9+events_unbound11:55:121
2684791996755,9cyclictest2866710-21kworker/u4:7+events_unbound12:25:200
2684791996751,13cyclictest53-21kswapd010:50:080
2684791996454,6cyclictest2755668-21sh09:55:170
2684793996355,6cyclictest2774471-21/usr/sbin/munin10:15:381
2684791996356,5cyclictest2832268-21kworker/u4:4+events_unbound12:10:160
2684791996154,5cyclictest2684790-21cyclictest09:49:580
2684791995951,6cyclictest2711670-21kworker/u4:5+events_unbound08:59:410
2684791995951,6cyclictest2711670-21kworker/u4:5+events_unbound08:59:410
2684791995941,10cyclictest0-21swapper/007:35:130
2684793995748,6cyclictest53-21kswapd010:00:011
2684791995749,6cyclictest2683514-21kworker/u4:1+events_unbound07:20:000
2684793995616,13cyclictest2886886-21ntpq12:25:301
2684793995517,12cyclictest2717752-21ssh09:11:251
2684791995547,6cyclictest2825806-21/usr/sbin/munin11:15:180
2684791995547,6cyclictest2706557-21kworker/u4:14+events_unbound08:50:010
2684793995445,7cyclictest398-21systemd-logind11:15:041
2684793995440,11cyclictest0-21swapper/112:10:121
2684791995437,9cyclictest25650irq/23-42890000.ethernet11:00:350
2684791995437,9cyclictest25650irq/23-42890000.ethernet11:00:340
2684791995433,6cyclictest2761032-21sendmail_mailqu10:00:360
2684793995346,5cyclictest2715638-21diskmemload09:24:471
2684793995346,5cyclictest2706560-21kworker/u4:18+events_unbound08:54:411
2684793995346,5cyclictest2684790-21cyclictest11:05:281
2684793995345,5cyclictest2760373-21fschecks_count10:00:191
2684793995344,7cyclictest53-21kswapd011:40:001
2684793995342,8cyclictest2808925-21ld10:55:271
2684791995346,5cyclictest2866709-21kworker/u4:6+events_unbound12:05:140
2684791995346,5cyclictest2715638-21diskmemload09:24:460
2684791995344,7cyclictest2832269-21kworker/u4:9+events_unbound11:25:060
2684793995219,20cyclictest0-21swapper/112:35:231
2684791995246,4cyclictest2842964-21aten_r7power_en11:35:170
2684791995245,5cyclictest2766403-21kworker/u4:15+events_unbound10:15:200
2684791995241,8cyclictest2799865-21cut10:45:200
2684791995215,24cyclictest2742481-21ssh09:40:140
2684793995144,5cyclictest2753564-21kworker/u4:0+events_unbound09:55:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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