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2026-02-02 - 21:22
[ 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 #b, slot #5

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.

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 rackbslot5s.osadl.org (updated Mon Feb 02, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2078868995527,24cyclictest2151878-21grep10:35:241
2078868995326,21cyclictest0-21swapper/107:45:161
2078863995016,9cyclictest2122435-21grep09:10:250
2078871994938,5cyclictest0-21swapper/209:40:012
2078875994842,4cyclictest2103055-21kworker/u8:1+events_unbound08:15:423
2078875994840,5cyclictest2098838-21cron08:05:003
2078868994828,16cyclictest0-21swapper/111:20:181
2078863994820,24cyclictest0-21swapper/007:15:260
2078868994737,6cyclictest2191236-21fschecks_count12:35:171
2078868994718,25cyclictest0-21swapper/108:55:261
207886899471,12cyclictest2110100-21/usr/sbin/munin08:35:241
2078863994720,7cyclictest2124085-21grep09:15:250
2078863994719,9cyclictest2113850-21grep08:45:260
2078863994639,4cyclictest0-21swapper/008:00:010
2078863994623,20cyclictest2156427-21latency_hist10:55:000
207886899441,8cyclictest2145872-21df10:20:131
2078863994421,19cyclictest0-21swapper/012:25:250
2078875994334,6cyclictest2129450-21grep09:30:263
2078871994336,4cyclictest2177167-21munin-plugin-st11:55:002
207886899421,7cyclictest2179219-21/usr/sbin/munin12:00:131
207886899421,7cyclictest2179219-21/usr/sbin/munin12:00:131
207886899421,7cyclictest2156132-21sshd10:51:351
2078875994130,7cyclictest2121163-21grep09:10:003
2078875994130,7cyclictest2105273-21grep08:20:253
2078875994130,7cyclictest2105273-21grep08:20:253
2078871994128,9cyclictest311ktimers/207:25:132
2078868994130,7cyclictest2185217-21grep12:15:261
2078868994128,9cyclictest231ktimers/111:50:121
207886899411,9cyclictest2123208-21/usr/sbin/munin09:15:141
207886899411,8cyclictest2120081-21/usr/sbin/munin09:05:191
207886899411,12cyclictest2188710-21head12:25:251
2078863994116,3cyclictest0-21swapper/011:00:180
2078875994033,5cyclictest2166606-21kworker/u8:3+events_unbound11:36:213
207886899401,9cyclictest2114538-21/usr/sbin/munin08:50:121
2078868994014,23cyclictest0-21swapper/107:15:151
207886899393,4cyclictest2097475-21df08:00:151
2078868993923,13cyclictest2171815-21munin-plugin-st11:40:001
207886899391,8cyclictest2172632-21/usr/sbin/munin11:40:211
207886899391,6cyclictest2130265-21/usr/sbin/munin09:35:141
207886899391,6cyclictest2107805-21/usr/sbin/munin08:30:171
207886899391,6cyclictest2085020-21/usr/sbin/munin07:25:141
207886899391,5cyclictest2089183-21/usr/sbin/munin07:35:231
207886899391,4cyclictest2158920-21/usr/sbin/munin11:00:191
207886899391,4cyclictest2148556-21users10:25:271
207886899391,4cyclictest0-21swapper/110:00:111
207886899391,12cyclictest2103318-21sed08:15:241
207886899390,9cyclictest2099322-21/usr/sbin/munin08:05:161
207886899390,5cyclictest2161789-21apt-get11:10:131
2078875993832,4cyclictest2084543-21kworker/u8:2+events_unbound07:55:393
2078875993830,4cyclictest2150663-21munin-plugin-st10:35:013
2078871993829,5cyclictest2140391-21cron10:05:002
2078871993827,7cyclictest0-21swapper/210:25:002
207886899382,6cyclictest2112246-21bash09:02:021
207886899382,5cyclictest2131625-21apt-get09:40:061
207886899381,9cyclictest2160622-21ntp_kernel_pll_11:05:211
207886899381,9cyclictest2144168-21/usr/sbin/munin10:15:151
207886899381,9cyclictest2121837-21meminfo09:10:181
207886899381,8cyclictest2168892-21/usr/sbin/munin11:30:171
207886899381,7cyclictest2177524-21grep11:55:161
207886899381,7cyclictest2177524-21grep11:55:151
207886899381,7cyclictest2134119-21/usr/sbin/munin09:45:181
207886899381,6cyclictest2137510-21/usr/sbin/munin09:55:181
207886899381,6cyclictest2095486-21/usr/sbin/munin07:55:111
207886899381,6cyclictest2087243-21ntp_states07:30:211
207886899381,5cyclictest2154926-21latency_hist10:50:011
207886899381,5cyclictest2127317-21ntp_states09:25:231
207886899381,3cyclictest2174503-21/usr/sbin/munin11:45:221
207886899381,3cyclictest2080168-21/usr/sbin/munin07:10:271
207886899381,11cyclictest2157218-21ntp_states10:55:211
207886899381,10cyclictest2091380-21grep07:40:261
2078863993828,6cyclictest2140406-21grep10:05:000
2078871993730,4cyclictest2095192-21cron07:55:012
2078871993728,6cyclictest2106866-21timerwakeupswit08:25:252
2078871993728,6cyclictest2106866-21timerwakeupswit08:25:252
2078871993726,7cyclictest0-21swapper/210:40:262
207886899379,23cyclictest0-21swapper/108:10:161
207886899373,5cyclictest2189815-21memory12:30:191
2078868993726,7cyclictest0-21swapper/109:20:261
207886899372,4cyclictest2163598-21df11:15:131
207886899371,8cyclictest2166926-21/usr/sbin/munin11:25:181
207886899371,5cyclictest2186508-21/usr/sbin/munin12:20:201
207886899371,5cyclictest2153450-21/usr/sbin/munin10:40:251
207886899371,5cyclictest2149784-21/usr/sbin/munin10:30:231
207886899371,4cyclictest2181412-21/usr/sbin/munin12:05:221
207886899371,4cyclictest2135803-21/usr/sbin/munin09:50:171
207886899371,4cyclictest2112833-21/usr/sbin/munin08:45:131
207886899371,3cyclictest0-21swapper/108:25:121
207886899371,3cyclictest0-21swapper/108:25:121
207886899371,10cyclictest2105229-21sed08:20:251
207886899371,10cyclictest2105229-21sed08:20:251
207886899371,10cyclictest2083258-21/usr/sbin/munin07:20:281
207886899371,10cyclictest164-21systemd-journal08:40:461
207887599366,5cyclictest131rcu_preempt09:10:123
2078875993629,4cyclictest0-21swapper/307:15:013
2078875993626,7cyclictest2155950-21grep10:50:203
2078871993626,6cyclictest0-21swapper/208:10:002
2078871993625,6cyclictest0-21swapper/211:35:252
207886899361,7cyclictest2142575-21idleruntime10:10:181
207886899361,7cyclictest2142575-21idleruntime10:10:181
207886899361,3cyclictest2182767-21/usr/sbin/munin12:10:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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