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2026-05-05 - 07:05
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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 100 highest latencies:
System rack7slot2.osadl.org (updated Tue May 05, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4037300996352,8cyclictest4064263-21systemd20:52:311
4037299996353,8cyclictest4101422-21kworker/u4:7+events_unbound21:52:480
4037300996253,7cyclictest23980-21kworker/u4:10+events_unbound00:13:181
4037299996052,5cyclictest13654-21grep23:50:210
4037300995844,10cyclictest37-21kcompactd000:00:211
4037299995850,5cyclictest0-21swapper/023:40:130
4037300995747,8cyclictest53-21kswapd022:40:011
4037300995647,7cyclictest4048928-21systemd19:52:231
4037300995647,6cyclictest0-21swapper/122:00:171
4037300995643,11cyclictest4136372-21sshd22:27:591
4037300995629,19cyclictest4077259-21apt-get21:20:111
4037299995635,14cyclictest53-21kswapd023:20:080
4037300995547,6cyclictest4155568-21fschecks_count22:50:211
4037300995545,7cyclictest36387-21kworker/u4:6+events_unbound00:28:201
4037299995547,6cyclictest4157179-21kworker/u4:7+events_unbound23:03:030
4037300995447,5cyclictest4049414-21fschecks_count19:55:201
4037300995446,5cyclictest0-21swapper/123:45:221
4037299995443,8cyclictest0-21swapper/023:38:090
4037299995425,4cyclictest14-21ksoftirqd/023:45:240
4037300995342,8cyclictest4071005-21sshd21:12:361
4037300995341,9cyclictest4151617-21awk22:45:281
4037300995341,9cyclictest4151617-21awk22:45:271
4037299995346,5cyclictest39335-21/usr/sbin/munin00:20:170
4037299995314,17cyclictest14-21ksoftirqd/023:30:360
4037300995244,5cyclictest0-21swapper/122:10:411
4037300995240,9cyclictest4580-21aten_r7power_en23:40:151
4037299995244,6cyclictest4082538-21ssh21:25:340
4037299995243,6cyclictest4037295-21cyclictest00:34:000
4037299995233,10cyclictest4090144-21modprobe21:35:000
4037299995223,25cyclictest4040697-21ntpq19:20:270
4037300995144,5cyclictest4131524-21kworker/u4:7+events_unbound22:32:581
4037300995144,5cyclictest4055361-21latency_hist20:19:591
4037300995142,7cyclictest4119118-21sshd22:07:551
4037300995133,10cyclictest0-21swapper/121:35:001
4037300995127,19cyclictest4186315-21ssh23:25:341
4037299995142,6cyclictest0-21swapper/000:27:430
4037300995043,5cyclictest4095412-21sshd21:40:231
4037300995042,6cyclictest4062991-21systemd20:47:301
4037300995041,6cyclictest4149039-21kworker/u4:1+events_unbound22:43:011
4037299995044,4cyclictest34985-21fschecks_count00:15:230
4037299995044,4cyclictest34985-21fschecks_count00:15:220
4037299995043,5cyclictest4129058-21grep22:20:010
4037299995042,6cyclictest4103157-21idleruntime-cro21:50:000
4037299995039,8cyclictest4170310-21kworker/u4:10+events_unbound23:15:010
4037300994945,3cyclictest4047661-21kworker/u4:1+events_unbound21:27:401
4037300994942,5cyclictest4180817-21sendmail23:20:011
4037300994942,5cyclictest4164940-21threads23:00:401
4037300994928,14cyclictest4159504-21apt-get22:55:131
4037299994942,5cyclictest4121133-21tune2fs22:10:210
4037299994942,5cyclictest4109059-21unixbench_singl21:55:400
4037299994942,5cyclictest4109059-21unixbench_singl21:55:400
4037299994942,5cyclictest4068280-21latency_hist21:10:020
4037299994941,6cyclictest4054560-21fschecks_time20:15:200
4037299994940,7cyclictest4090595-21aten_r7power_cu21:35:220
4037299994940,6cyclictest4111796-21apt-get22:00:070
4037299994940,6cyclictest4042842-21aten_r7power_po19:30:210
4037299994939,7cyclictest4065549-21cron21:00:000
4037299994932,14cyclictest4056615-21kworker/u4:6+rpciod20:55:020
4037300994841,5cyclictest4090694-21cut21:35:221
4037300994841,4cyclictest0-21swapper/122:17:561
4037300994839,6cyclictest4037656-21df_abs19:10:171
4037300994834,8cyclictest4099918-21ssh21:45:311
4037300994825,13cyclictest4053504-21ntpq20:10:221
4037299994842,4cyclictest4068698-21df_abs21:10:160
4037299994841,5cyclictest4060474-21run-parts20:40:010
4037299994840,6cyclictest4155590-21fschecks_time22:50:210
4037299994840,5cyclictest4037733-21fschecks_count19:10:190
4037299994839,6cyclictest4129838-21gltestperf22:20:210
4037299994838,7cyclictest4116825-21fschecks_time22:05:210
4037299994830,15cyclictest0-21swapper/022:45:300
4037299994830,15cyclictest0-21swapper/022:45:300
4037299994823,18cyclictest4077265-21ssh21:20:120
4037299994817,12cyclictest0-21swapper/022:30:370
4037299994815,11cyclictest25650irq/23-42890000.ethernet00:35:250
4037300994741,4cyclictest4043873-21grep19:35:011
4037300994741,4cyclictest14170-21threads23:50:391
4037300994740,5cyclictest17792-21gltestperf23:55:191
4037300994739,6cyclictest4201-21sendmail-mta23:40:011
4037300994739,6cyclictest4129672-21fschecks_count22:20:201
4037300994728,14cyclictest4108583-21ssh21:55:331
4037300994728,14cyclictest4108583-21ssh21:55:321
4037299994741,4cyclictest4188305-21sshd23:28:090
4037299994740,5cyclictest4057137-21fschecks_time20:25:200
4037299994740,5cyclictest25729-21ssh00:05:010
4037299994739,6cyclictest4146740-21cpu22:40:140
4037300994639,5cyclictest4073631-21ntp_offset21:15:301
4037300994639,5cyclictest26430-21fschecks_count00:05:251
4037300994638,5cyclictest4068159-21idleruntime-cro21:09:591
4037300994635,9cyclictest40148-21unixbench_multi00:20:381
4037300994632,11cyclictest47602-21ssh00:30:201
4037300994632,11cyclictest0-21swapper/123:20:311
4037300994613,10cyclictest0-21swapper/121:52:471
4037299994640,4cyclictest23979-21kworker/u4:9+events_unbound00:06:000
4037299994639,5cyclictest4137671-21idleruntime-cro22:30:000
4037299994639,5cyclictest18613-21unixbench_multi23:55:390
4037299994637,7cyclictest4142224-21acpi22:35:100
4037299994637,6cyclictest30422-21aten_r7power_en00:10:150
4037299994636,7cyclictest4049482-21gltestperf19:55:210
4037299994632,10cyclictest4054061-21kworker/u4:220:14:590
4037299994615,11cyclictest0-21swapper/021:15:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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