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2026-01-30 - 21:28
[ 290.152] (II) VESA: driver for VESA chipsets: vesa

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Default latency plot of shadow in rack #9, slot #4

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 rack9slot4s (updated Fri Jan 30, 2026 12:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
110799912631,5cyclictest11715-21hddtemp_smartct07:25:190
110809912301212,15cyclictest0-21swapper/107:25:141
109692563518,30sleep10-21swapper/107:24:251
106652563518,30sleep00-21swapper/007:21:130
1107999156138,3cyclictest0-21swapper/010:15:320
298272930,9sleep01107999cyclictest08:10:230
33662890,8sleep01107999cyclictest08:25:260
202872840,8sleep01107999cyclictest07:45:250
245292810,5sleep041ktimersoftd/010:21:230
101642800,7sleep01107999cyclictest10:40:190
234072700,7sleep01107999cyclictest10:54:290
62292670,25sleep122-21ksoftirqd/111:43:091
10972580,8sleep01107999cyclictest12:10:380
209882570,4sleep1211ktimersoftd/111:58:281
93612530,8sleep01107999cyclictest10:05:300
196622490,7sleep01107999cyclictest11:23:460
174842480,5sleep117480-21ssh09:40:291
157882460,6sleep10-21swapper/112:25:431
11080994012,25cyclictest22-21ksoftirqd/112:32:191
1108099396,5cyclictest81rcu_preempt10:41:381
258002380,8sleep00-21swapper/008:00:180
11080993820,14cyclictest27682-21fschecks_time12:05:161
1107999387,13cyclictest0-21swapper/010:39:010
1108099378,4cyclictest19129-21diskmemload12:18:171
1108099376,4cyclictest81rcu_preempt11:48:141
1108099374,29cyclictest0-21swapper/111:26:561
1108099372,7cyclictest24727-21iostat_ios10:55:201
1107999372,16cyclictest0-21swapper/011:09:400
1107999372,16cyclictest0-21swapper/011:09:400
11079993717,8cyclictest3-21ksoftirqd/010:00:210
1108099367,4cyclictest19129-21diskmemload09:52:161
11080993626,7cyclictest0-21swapper/109:32:551
1108099361,8cyclictest18292-21ssh10:49:061
11080993614,7cyclictest22-21ksoftirqd/111:18:321
1107999363,12cyclictest3302-21runrttasks12:09:540
1107999362,5cyclictest25700-21users09:15:300
1107999362,30cyclictest1377-21hddtemp_smartct12:45:150
22542351,4sleep1841-21/usr/sbin/munin12:45:291
1108099354,4cyclictest81rcu_preempt07:34:361
1108099353,6cyclictest0-21swapper/108:23:551
11080993528,4cyclictest15979-21diskstats07:35:151
1108099351,30cyclictest0-21swapper/110:24:561
11079993528,4cyclictest0-21swapper/009:58:360
1107999352,29cyclictest0-21swapper/011:47:550
11079993518,6cyclictest3-21ksoftirqd/010:31:050
1108099347,4cyclictest81rcu_preempt09:46:181
1108099346,4cyclictest81rcu_preempt12:45:021
1108099346,25cyclictest0-21swapper/111:23:061
1108099345,5cyclictest81rcu_preempt10:35:121
1108099343,28cyclictest0-21swapper/109:36:161
1108099341,30cyclictest0-21swapper/108:55:161
1108099341,29cyclictest2237-21ssh12:12:161
1107999349,5cyclictest81rcu_preempt12:30:260
1107999345,4cyclictest81rcu_preempt07:55:150
1107999344,4cyclictest81rcu_preempt12:20:400
1107999344,4cyclictest81rcu_preempt09:28:510
11079993418,5cyclictest3-21ksoftirqd/011:00:280
1107999341,4cyclictest11623-21ssh11:15:150
1107999341,31cyclictest0-21swapper/011:44:360
11079993413,18cyclictest19129-21diskmemload11:13:580
1107999341,29cyclictest2309-21cron12:20:010
11079993410,5cyclictest30496-21packagekitd09:24:510
11079993410,5cyclictest19129-21diskmemload10:45:390
10192341,29sleep11036-21/usr/sbin/munin11:05:011
1108099335,4cyclictest81rcu_preempt10:19:401
1108099334,4cyclictest81rcu_preempt10:04:281
1108099333,28cyclictest0-21swapper/111:52:151
11080993324,6cyclictest16578-21ssh10:13:521
1108099332,28cyclictest0-21swapper/109:19:051
1108099331,28cyclictest24551-21ssh12:01:361
1108099331,18cyclictest12768-21python08:50:261
1107999339,14cyclictest0-21swapper/012:01:490
1107999338,13cyclictest14679-21ssh09:38:160
1107999337,13cyclictest20858-21sh09:10:290
11079993326,5cyclictest0-21swapper/008:50:360
11079993325,5cyclictest2309-21cron10:30:000
11079993317,5cyclictest3-21ksoftirqd/011:26:500
1107999331,5cyclictest81rcu_preempt12:35:170
11079993313,5cyclictest3-21ksoftirqd/011:38:310
11079993313,5cyclictest3-21ksoftirqd/011:38:300
11079993310,4cyclictest81rcu_preempt12:54:520
161952320,11sleep01107999cyclictest11:53:320
1108099324,4cyclictest81rcu_preempt11:09:141
1108099324,4cyclictest81rcu_preempt11:09:131
1108099324,4cyclictest81rcu_preempt10:34:181
1108099323,6cyclictest0-21swapper/109:55:361
1108099323,4cyclictest81rcu_preempt11:38:161
1108099323,4cyclictest81rcu_preempt11:38:161
1108099321,5cyclictest81rcu_preempt11:33:431
11080993215,4cyclictest23609-21tr07:55:101
1108099321,4cyclictest81rcu_preempt11:13:221
1108099321,29cyclictest0-21swapper/108:48:161
1108099321,29cyclictest0-21swapper/108:44:361
1108099321,29cyclictest0-21swapper/107:50:551
1107999329,19cyclictest0-21swapper/012:26:260
1107999328,4cyclictest81rcu_preempt11:57:300
1107999324,4cyclictest81rcu_preempt12:40:370
11079993216,13cyclictest3-21ksoftirqd/009:31:510
1107999321,5cyclictest0-21swapper/008:48:360
1107999321,4cyclictest81rcu_preempt07:42:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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