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2025-11-19 - 06:18
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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 highest latencies:
System rack9slot4.osadl.org (updated Wed Nov 19, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21697991197cyclictest0-21swapper/005:01:400
21371111973sleep0-21swapper/104:56:281
21697991173cyclictest25050-21sshd08:42:220
21697991153cyclictest20943-21latency_hist08:36:460
21697991143cyclictest26973-21ssh08:46:480
21697991137cyclictest0-21swapper/006:37:030
21697991137cyclictest0-21swapper/006:37:030
21697991133cyclictest14150-21latency_hist06:16:420
21697991127cyclictest0-21swapper/010:26:490
21697991113cyclictest6176-21runrttasks07:16:500
21697991113cyclictest6176-21runrttasks07:16:500
21697991097cyclictest0-21swapper/005:37:220
21697991094cyclictest74-21mmcqd/008:16:450
21697991093cyclictest3123-21latency_hist07:11:430
21697991087cyclictest0-21swapper/009:41:480
21697991084cyclictest31179-21unixbench_multi08:52:280
21697991083cyclictest4506-21/usr/sbin/munin05:42:190
21697991083cyclictest29759-21latency_hist09:46:480
21697991083cyclictest20227-21sshd06:34:190
21697991077cyclictest0-21swapper/006:01:420
21697991074cyclictest31000-21unixbench_singl07:02:250
21697991073cyclictest304-21snmpd09:57:350
21697991073cyclictest14240-21sh09:19:290
21697991067cyclictest0-21swapper/008:26:570
21697991067cyclictest0-21swapper/007:55:270
21697991063cyclictest9233-21ssh09:11:480
21697991063cyclictest74-21mmcqd/006:31:430
216979910625cyclictest3745-21ssh09:02:080
21697991062cyclictest20839-21latency_hist07:41:440
21697991062cyclictest20839-21latency_hist07:41:440
21697991054cyclictest627-21cstates08:02:020
21697991054cyclictest17694-21runrttasks09:25:540
21697991054cyclictest14717-21ssh10:15:550
21697991053cyclictest10025-21ssh08:17:150
21360110571sleep0-21swapper/004:56:280
21697991047cyclictest0-21swapper/007:47:170
21697991046cyclictest29854-21chrt07:56:510
21697991044cyclictest26698-21latency_hist06:56:430
21697991043cyclictest32105-21sh09:50:050
21697991033cyclictest248571chrt05:06:400
21697991023cyclictest18067-21latency_hist10:21:490
21697991023cyclictest12589-21latency_hist06:11:410
21697991017cyclictest0-21swapper/007:34:560
21697991013cyclictest3999-21kernelversion07:12:150
21697991013cyclictest32648-21latency_hist05:31:400
21697991013cyclictest15297-21systemd-cgroups06:17:190
21697991007cyclictest0-21swapper/007:22:000
21697991007cyclictest0-21swapper/005:31:570
21697991004cyclictest14969-21sh07:31:440
21697991003cyclictest5115-21ls05:46:580
2169799997cyclictest0-21swapper/006:51:430
2169799993cyclictest6580-21cstates10:02:060
2169799993cyclictest25157-21expr05:06:560
21697999910cyclictest12148-21latency_hist08:21:460
2169799987cyclictest0-21swapper/006:02:190
2169799983cyclictest4315-21/usr/sbin/munin08:07:200
2169799983cyclictest29671-21latency_hist07:01:440
21697999710cyclictest21370-21ssh08:37:030
2169799968cyclictest0-21swapper/006:46:420
2169799967cyclictest0-21swapper/009:27:190
2169799943cyclictest23948-21latency_hist09:36:480
21697999353cyclictest6950irq/18-mmc005:56:410
2169799928cyclictest2800-21ssh09:00:280
2171099913cyclictest30600-21/usr/sbin/munin05:22:181
2169799918cyclictest0-21swapper/009:56:480
2169799917cyclictest0-21swapper/010:08:120
2169799912cyclictest21206-21ls07:41:590
2171099903cyclictest1002-21/usr/sbin/munin05:32:101
2171099893cyclictest1930-21/usr/sbin/munin05:36:551
2169799897cyclictest0-21swapper/005:17:200
2171099883cyclictest9017-21/usr/sbin/munin05:57:201
2171099883cyclictest4103-21sh09:57:191
2171099883cyclictest25244-21/usr/sbin/munin07:47:301
2171099873cyclictest18262-21/usr/sbin/munin09:27:021
2171099863cyclictest2026-21ssh07:08:441
2169799858cyclictest0-21swapper/005:22:120
2169799853cyclictest9117-21crond09:11:470
2169799848cyclictest0-21swapper/006:22:010
2171099833cyclictest32016-21ssh07:05:111
2171099823cyclictest29933-21/usr/sbin/munin07:56:581
2169799823cyclictest26464-21/usr/sbin/munin05:12:100
2171099813cyclictest16731-21ssh08:28:101
2171099804cyclictest27330-21ntp_states05:12:141
2171099804cyclictest16159-21ntp_states10:17:241
2171099794cyclictest6585-21fschecks_count07:17:071
2171099794cyclictest6585-21fschecks_count07:17:071
2171099794cyclictest23782-21munin-plugin-st07:46:441
2171099794cyclictest10209-21/usr/sbin/munin10:07:211
21710997936cyclictest30718-21ls09:47:171
2171099793cyclictest7461-21/usr/sbin/munin09:07:281
2171099793cyclictest5766-21/usr/sbin/munin05:47:141
2171099793cyclictest3435-21/usr/sbin/munin08:06:591
2171099793cyclictest32130-21/usr/sbin/munin05:27:161
2171099793cyclictest26143-21/usr/sbin/munin06:52:191
2171099793cyclictest11851-21/usr/sbin/munin06:07:091
2171099793cyclictest10528-21/usr/sbin/munin09:12:301
2171099793cyclictest10270-21/usr/sbin/munin07:22:241
21710997914cyclictest0-21swapper/108:57:271
2171099785cyclictest30309-21/usr/sbin/munin08:52:071
2171099785cyclictest1609-21unixbench_multi09:52:291
2171099784cyclictest10648-21/usr/sbin/munin06:02:211
2171099784cyclictest10571-21/usr/sbin/munin08:17:291
2171099783cyclictest28610-21/usr/sbin/munin05:17:071
2171099783cyclictest28236-21ssh09:42:321
2171099783cyclictest25497-21/usr/sbin/munin05:07:061
2171099783cyclictest24017-21/usr/sbin/munin05:02:081
2171099783cyclictest16232-21/usr/sbin/munin06:22:041
2171099783cyclictest13545-21/usr/sbin/munin06:12:111
2171099774cyclictest7159-21/usr/sbin/munin08:12:161
2171099774cyclictest3438-21/usr/sbin/munin09:02:001
2171099774cyclictest1089-21/usr/sbin/munin08:02:131
2171099773cyclictest7496-21/usr/sbin/munin05:52:181
2171099773cyclictest7261-21/usr/sbin/munin10:02:241
2171099773cyclictest3935-21/usr/sbin/munin07:12:121
2171099773cyclictest28993-21ssh08:49:241
2171099773cyclictest26797-21ssh09:41:441
2171099773cyclictest25122-21ps08:42:261
2171099773cyclictest20089-21/usr/sbin/munin06:32:221
2171099773cyclictest12548-21/usr/sbin/munin10:12:081
21710997710cyclictest0-21swapper/109:32:101
2171099769cyclictest0-21swapper/107:37:001
2171099769cyclictest0-21swapper/107:37:001
2171099764cyclictest4225-21ntp_states05:42:131
2171099764cyclictest22919-21/usr/sbin/munin06:42:141
2171099764cyclictest17577-21/usr/sbin/munin06:27:001
2171099763cyclictest27761-21/usr/sbin/munin06:57:171
2171099763cyclictest24272-21/usr/sbin/munin06:47:081
2171099763cyclictest22891-21awk04:57:161
2171099763cyclictest21400-21/usr/sbin/munin06:37:191
2171099763cyclictest21400-21/usr/sbin/munin06:37:191
2171099763cyclictest14342-21/usr/sbin/munin06:16:551
2171099763cyclictest12458-21/usr/sbin/munin08:22:011
2171099756cyclictest13346-21/usr/sbin/munin09:17:271
2171099754cyclictest15528-21df_inode09:22:071
2171099753cyclictest304-21snmpd08:35:021
2171099753cyclictest17440-21ssh07:35:291
2171099753cyclictest14566-21ssh07:30:451
2171099749cyclictest0-21swapper/110:26:271
2171099748cyclictest0-21swapper/108:37:031
2171099733cyclictest27825-21ssh07:52:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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