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2026-02-10 - 06:46
[ 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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  Phytec
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 Tue Feb 10, 2026 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1033271995237,11cyclictest391ktimers/323:55:133
1033265995240,8cyclictest1074635-21grep21:05:551
1033265995041,5cyclictest1140942-21sendmail00:20:001
1033260995027,18cyclictest0-21swapper/020:45:240
1033271994736,7cyclictest1057487-21grep20:15:333
1033271994615,13cyclictest1080565-21df_inode21:25:163
1033271994615,13cyclictest1080565-21df_inode21:25:153
1033271994614,13cyclictest1049457-21latency_hist19:55:023
1033271994515,12cyclictest1110065-21df_inode22:50:153
1033271994436,5cyclictest1044255-21sh19:40:013
1033271994433,8cyclictest391ktimers/322:20:143
1033265994411,5cyclictest131rcu_preempt21:00:131
1033271994329,10cyclictest1096599-21/usr/sbin/munin22:10:223
1033271994316,9cyclictest1035592-21memory19:15:043
1033271994316,9cyclictest1035592-21memory19:15:043
1033271994314,11cyclictest1147289-21ntp_states00:35:213
1033265994333,7cyclictest1135799-21cron00:05:001
1033260994332,6cyclictest1139586-21fschecks_count00:15:140
1033271994234,5cyclictest1040643-21munin-plugin-st19:30:013
1033265994229,9cyclictest1090251-21grep21:50:271
103326599411,18cyclictest0-21swapper/121:45:121
1033260994131,6cyclictest1057556-21unixbench_singl20:15:340
1033271994028,7cyclictest1068451-21apt-get20:50:123
1033271994026,8cyclictest1120274-21/usr/sbin/munin23:20:143
1033271994026,11cyclictest1112786-21cron22:56:003
1033271994025,11cyclictest0-21swapper/321:20:113
1033271994025,11cyclictest0-21swapper/321:20:113
1033271994016,9cyclictest1119975-21latency_hist23:20:023
1033265994032,4cyclictest0-21swapper/123:40:001
1033260994030,6cyclictest0-21swapper/019:40:010
1033260994029,7cyclictest0-21swapper/023:55:000
1033271993929,7cyclictest1095193-21/usr/sbin/munin22:05:263
1033271993929,6cyclictest0-21swapper/300:15:003
1033271993925,11cyclictest1044992-21/usr/sbin/munin19:40:193
1033271993923,11cyclictest1070610-21/usr/sbin/munin20:55:193
1033271993922,12cyclictest1077135-21/usr/sbin/munin21:15:153
1033271993922,12cyclictest1077135-21/usr/sbin/munin21:15:153
1033271993922,11cyclictest1052422-21grep20:00:403
1033269993931,5cyclictest1033254-21cyclictest23:15:242
1033269993928,6cyclictest0-21swapper/223:25:272
1033265993931,5cyclictest0-21swapper/120:35:161
1033260993928,8cyclictest1110942-21unixbench_multi22:50:250
1033271993827,7cyclictest1105051-21/usr/sbin/munin22:35:183
1033271993827,7cyclictest1105051-21/usr/sbin/munin22:35:183
1033271993827,7cyclictest1089333-21/usr/sbin/munin21:50:153
1033271993826,9cyclictest1141873-21/usr/sbin/munin00:20:233
1033271993825,10cyclictest1097872-21/usr/sbin/munin22:15:153
1033271993824,9cyclictest1145411-21/usr/sbin/munin00:30:203
1033271993823,12cyclictest629-21snmpd21:30:123
1033271993823,12cyclictest629-21snmpd21:30:123
1033271993823,11cyclictest0-21swapper/320:30:123
1033271993823,11cyclictest0-21swapper/320:30:123
1033271993821,11cyclictest1046218-21apt-get19:45:153
1033271993821,10cyclictest1102184-21sed22:25:253
1033260993828,6cyclictest1047239-21unixbench_multi19:45:270
1033260993828,6cyclictest0-21swapper/022:30:010
1033260993827,6cyclictest0-21swapper/019:55:260
1033271993731,3cyclictest1113381-21apt-get23:00:123
1033271993730,4cyclictest1071887-21apt-get21:00:123
1033271993727,7cyclictest1049630-21apt-get19:55:143
1033271993726,8cyclictest1143292-21apt-get00:25:063
1033271993726,7cyclictest1115377-21/usr/sbin/munin23:05:183
1033271993726,7cyclictest1108384-21/usr/sbin/munin22:45:183
1033271993725,9cyclictest1033901-21/usr/sbin/munin19:10:193
1033271993724,9cyclictest391ktimers/320:40:133
1033271993724,10cyclictest1075709-21/usr/sbin/munin21:10:193
1033271993722,12cyclictest1054148-21/usr/sbin/munin20:05:273
1033271993722,11cyclictest1073715-21/usr/sbin/munin21:05:163
1033269993729,5cyclictest1075072-21munin-run21:10:002
1033260993727,6cyclictest0-21swapper/021:15:250
1033260993727,6cyclictest0-21swapper/021:15:250
1033260993725,8cyclictest0-21swapper/022:30:260
1033260993725,7cyclictest0-21swapper/020:40:260
1033271993627,7cyclictest1139968-21/usr/sbin/munin00:15:183
1033271993626,7cyclictest1122986-21/usr/sbin/munin23:25:253
1033271993626,7cyclictest1104151-21sshd22:32:343
1033271993626,7cyclictest1054887-21/usr/sbin/munin20:10:153
1033271993626,6cyclictest1129035-21/usr/sbin/munin23:45:123
1033271993626,6cyclictest1129035-21/usr/sbin/munin23:45:123
1033271993625,7cyclictest1041595-21/usr/sbin/munin19:30:233
1033271993624,9cyclictest1037457-21apt-get19:20:123
1033271993624,9cyclictest1037457-21apt-get19:20:113
1033271993624,8cyclictest1127399-21diskstats23:40:163
1033271993624,8cyclictest1127399-21diskstats23:40:153
1033271993624,8cyclictest1124534-21/usr/sbin/munin23:30:223
1033271993623,10cyclictest1116796-21/usr/sbin/munin23:10:133
1033271993623,10cyclictest1107092-21/usr/sbin/munin22:40:243
1033271993621,12cyclictest1093369-21/usr/sbin/munin22:00:253
1033271993618,13cyclictest1064990-21cat20:40:013
1033269993628,4cyclictest0-21swapper/219:15:162
1033269993628,4cyclictest0-21swapper/219:15:162
1033265993624,7cyclictest0-21swapper/119:30:251
1033260993626,6cyclictest0-21swapper/023:05:260
1033260993626,6cyclictest0-21swapper/019:30:250
1033260993625,6cyclictest0-21swapper/023:45:010
1033260993625,6cyclictest0-21swapper/023:45:000
103326099361,7cyclictest131rcu_preempt20:50:110
1033271993528,4cyclictest1058200-21apt-get20:20:123
1033271993526,6cyclictest1060283-21/usr/sbin/munin20:25:203
1033271993525,7cyclictest1086436-21/usr/sbin/munin21:40:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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