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2026-02-25 - 17:40
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #3

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack5slot3s.osadl.org (updated Wed Feb 25, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114402239164,24sleep20-21swapper/207:09:472
114402239164,24sleep20-21swapper/207:09:462
111872239161,25sleep10-21swapper/107:06:321
111872239161,25sleep10-21swapper/107:06:311
113142202166,24sleep30-21swapper/307:08:103
113142202166,24sleep30-21swapper/307:08:103
111662200164,24sleep00-21swapper/007:06:150
111662200164,24sleep00-21swapper/007:06:150
2059821740,4sleep31156899cyclictest09:55:123
2998321670,5sleep01155199cyclictest11:30:130
2023321620,4sleep11155899cyclictest08:40:151
898821350,2sleep01155199cyclictest08:15:130
898821350,2sleep01155199cyclictest08:15:130
176582500,4sleep21156399cyclictest09:47:172
64282490,3sleep121-21rcuc/111:50:121
1156899439,26cyclictest8138-21perf11:55:023
1156399414,32cyclictest8736-40dnf09:25:422
1156399414,32cyclictest8736-40dnf09:25:422
11568993912,14cyclictest23279-40dnf12:27:093
1155199399,14cyclictest26680-21munin-run10:10:020
1156399383,29cyclictest23279-40dnf12:27:082
1156399382,7cyclictest32212-21/usr/sbin/munin07:55:232
1156399373,3cyclictest88150irq/126-enp1s0-10:25:222
1156399371,5cyclictest8691-21df11:55:122
1156399364,24cyclictest0-21swapper/209:10:162
1156399351,6cyclictest4688-21crond09:20:012
1156399351,5cyclictest20705-21latency_hist11:10:022
1156399351,5cyclictest20644-21df09:55:132
1156399351,3cyclictest30647-21missed_timers11:30:202
1155199358,12cyclictest9092-21munin-run09:30:010
1155199358,12cyclictest9092-21munin-run09:30:000
1156399343,4cyclictest18765-40dnf07:24:412
1156399341,5cyclictest13054-21/usr/sbin/munin08:25:182
1156399341,5cyclictest11195-21smart_sda10:45:242
1156399341,4cyclictest24259-21pmu-power11:15:222
265512330,10sleep339-21rcuc/308:55:143
1156399332,4cyclictest14334-21/usr/sbin/munin10:55:132
1156399331,4cyclictest30684-21/usr/sbin/munin09:05:122
1156399331,4cyclictest0-21swapper/211:01:422
11563993311,17cyclictest10624-21munin-plugin-st08:20:012
11563993311,17cyclictest10624-21munin-plugin-st08:20:002
1156899327,6cyclictest11133-21/usr/sbin/munin12:00:153
1156899326,19cyclictest21127-21taskset12:22:403
1156399327,21cyclictest2180-21/usr/sbin/munin11:40:142
1156399327,21cyclictest13919-21sed07:15:022
1156399323,3cyclictest21269-21df11:10:142
1156399322,6cyclictest29452-21diskstats10:15:142
1156399322,5cyclictest26628-21diskstats08:55:152
1156399321,7cyclictest0-21swapper/210:35:142
1156399321,7cyclictest0-21swapper/210:35:142
1156399321,6cyclictest0-21swapper/209:35:142
1156399321,5cyclictest10552-21/usr/sbin/munin12:00:122
1156399321,4cyclictest0-21swapper/210:05:152
11563993213,16cyclictest3680-21df10:30:112
11563993211,18cyclictest7023-21date09:25:022
1156899316,12cyclictest3064-21df_inode09:15:163
1156899310,22cyclictest0-21swapper/311:20:183
1156399318,19cyclictest24304-21latency07:35:172
1156399312,5cyclictest23853-21munin-plugin-st08:50:022
1156399312,4cyclictest31649-21diskstats10:20:132
1156399311,5cyclictest7203-21ntp_kernel_pll_11:50:202
1156399311,4cyclictest28477-21/usr/sbin/munin09:00:202
11563993111,17cyclictest15691-21idleruntime-cro09:45:012
11563993110,18cyclictest16099-21sed08:30:172
1155899311,12cyclictest10983-21kworker/1:211:55:231
1155199317,11cyclictest1538-21munin-run11:40:000
1156899308,14cyclictest843-21runrttasks11:55:103
1156399308,19cyclictest24961-21processes12:30:212
1156399306,21cyclictest17098-21cat12:15:012
1156399306,20cyclictest28178-21gltestperf11:25:152
1156399303,3cyclictest88450irq/129-enp1s0-08:20:152
1156399302,3cyclictest27920-21/usr/sbin/munin12:40:002
1156399302,25cyclictest30647-21grep07:50:152
1156399301,5cyclictest31921-21/usr/sbin/munin11:35:142
1156399301,4cyclictest25112-21/usr/sbin/munin08:50:202
1156399301,4cyclictest21012-21idleruntime-cro07:30:012
1156399301,3cyclictest9319-21/usr/sbin/munin10:40:242
1156399301,26cyclictest5928-21latency_hist11:50:012
1156399301,25cyclictest5248-21grep08:05:192
1156899299,11cyclictest19835-21taskset09:52:003
1156899298,12cyclictest19030-21/usr/sbin/munin07:25:203
1156899298,11cyclictest7830-21cpuspeed_turbos10:40:113
1156899296,14cyclictest0-21swapper/311:10:013
1156899296,11cyclictest88150irq/126-enp1s0-10:15:133
1156899294,13cyclictest16200-21unixbench_singl07:15:273
1156399298,18cyclictest13059-21expr12:05:112
1156399296,19cyclictest19827-21tr08:40:122
1156399296,19cyclictest0-21swapper/208:10:142
1156399292,3cyclictest21570-21/usr/sbin/munin07:30:132
1156399291,4cyclictest3112-21ntp_states08:00:212
1156399291,4cyclictest28122-21/usr/sbin/munin10:10:202
1156399291,4cyclictest26241-21/usr/sbin/munin11:20:182
1156399291,4cyclictest12903-21/usr/sbin/munin10:50:162
11563992910,16cyclictest11284-21latency_hist09:35:012
1155199297,10cyclictest16317-21awk11:00:010
1155199292,12cyclictest31091-21basename10:20:010
1156899288,11cyclictest422-21/usr/sbin/munin09:10:133
11568992811,9cyclictest5595-21hddtemp_smartct09:20:173
11568992810,6cyclictest2816-21/usr/sbin/munin11:40:213
11568992810,11cyclictest15302-21users09:40:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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