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2026-02-17 - 18:24
[ 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 #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 highest latencies:
System rack9slot4s (updated Tue Feb 17, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
261519912011186,12cyclictest0-21swapper/107:25:141
261509911971169,25cyclictest0-21swapper/007:25:200
261519911451123,19cyclictest13204-21ssh09:20:291
259302575531,29sleep10-21swapper/107:23:131
260952548466,40sleep00-21swapper/007:25:010
141521240,8sleep12615199cyclictest09:42:181
261509911570,42cyclictest13210-21grep09:20:300
182252910,8sleep12615199cyclictest12:13:311
152552760,4sleep00-21swapper/011:36:300
173372550,4sleep122-21ksoftirqd/109:59:101
273762530,8sleep02615099cyclictest09:35:270
75872410,5sleep07582-21grep10:55:250
2615199412,13cyclictest138250irq/90-eth010:10:181
26150994029,6cyclictest22239-21ssh12:51:350
257422401,14sleep10-21swapper/111:14:551
164602400,8sleep12615199cyclictest10:30:371
30192391,5sleep13030-21ssh10:17:161
26151993825,9cyclictest0-21swapper/112:08:351
2615099382,22cyclictest14244-21irqstats08:15:210
2615099381,23cyclictest20974-21ssh10:35:290
49192370,8sleep02615099cyclictest09:12:270
49192370,8sleep02615099cyclictest09:12:270
2615199374,31cyclictest0-21swapper/110:47:551
26150993727,6cyclictest31342-21fschecks_count11:20:160
2615099371,12cyclictest18066-21ssh10:32:580
200692371,3sleep120079-21ssh10:01:061
99752361,32sleep09986-21ssh11:30:520
87822361,31sleep08793-21ssh10:23:340
2615199364,28cyclictest0-21swapper/112:20:351
2615099368,6cyclictest18657-21iostat_ios11:40:210
2615099361,6cyclictest28140-21ssh10:43:350
2615199355,5cyclictest81rcu_preempt10:05:261
2615199351,5cyclictest81rcu_preempt12:45:241
26150993523,9cyclictest0-21swapper/011:46:160
2615099351,5cyclictest25478-21ssh10:06:560
2615099351,10cyclictest81rcu_preempt11:10:390
267312340,8sleep12615199cyclictest10:41:311
2615199345,5cyclictest81rcu_preempt09:50:011
2615199344,5cyclictest81rcu_preempt11:09:221
2615199344,4cyclictest81rcu_preempt09:00:561
2615199343,4cyclictest81rcu_preempt11:26:121
2615099344,4cyclictest81rcu_preempt11:16:190
2615099343,15cyclictest4545-21diskstats07:50:150
26150993427,4cyclictest28253-21grep10:10:160
2615099341,7cyclictest81rcu_preempt07:31:470
2615099341,29cyclictest23678-21ssh09:31:350
2615199339,4cyclictest81rcu_preempt09:52:401
2615199337,4cyclictest81rcu_preempt09:26:031
2615199336,23cyclictest0-21swapper/111:20:241
2615199334,4cyclictest81rcu_preempt12:25:231
2615199334,26cyclictest26779-21kworker/u4:010:52:001
2615199333,4cyclictest81rcu_preempt10:35:341
2615199333,4cyclictest81rcu_preempt09:10:391
2615199333,4cyclictest81rcu_preempt09:10:381
2615199333,28cyclictest0-21swapper/108:59:161
2615199332,4cyclictest0-21swapper/112:53:151
26151993322,7cyclictest10131-21ssh09:17:591
2615199331,6cyclictest23165-21diskstats11:45:171
26151993316,14cyclictest22-21ksoftirqd/111:58:581
2615199331,30cyclictest0-21swapper/111:51:161
2615199331,28cyclictest2403-21irqbalance10:56:351
2615099337,10cyclictest9336-21diskmemload09:50:230
2615099336,5cyclictest81rcu_preempt09:40:280
2615099333,26cyclictest2216-21tune2fs10:50:150
2615099331,4cyclictest81rcu_preempt12:49:420
2615099331,12cyclictest4624-21ssh11:25:270
26150993310,19cyclictest0-21swapper/012:09:210
2615199322,4cyclictest81rcu_preempt12:30:051
2615199322,4cyclictest81rcu_preempt12:15:321
2615199322,4cyclictest81rcu_preempt11:40:501
26151993222,6cyclictest26804-21perl09:35:161
26151993222,6cyclictest26438-21forks11:15:161
2615199322,18cyclictest0-21swapper/107:54:011
2615199321,28cyclictest9692-21ssh12:37:561
2615099329,11cyclictest30638-21unixbench_singl12:25:300
2615099326,13cyclictest0-21swapper/008:10:180
2615099324,4cyclictest81rcu_preempt12:15:010
2615099324,4cyclictest81rcu_preempt10:29:020
2615099323,7cyclictest81rcu_preempt09:18:140
26150993222,6cyclictest611-21irqstats09:05:200
2615099321,4cyclictest81rcu_preempt11:51:120
2615099321,27cyclictest1968-21lldpad10:01:530
2615099321,26cyclictest262662chrt08:45:590
2615099321,18cyclictest0-21swapper/010:16:440
26150993211,6cyclictest0-21swapper/012:21:010
198012325,6sleep019803-21ssh11:08:190
78192311,26sleep17830-21ssh10:22:101
2615199315,4cyclictest81rcu_preempt07:56:151
2615199313,4cyclictest81rcu_preempt08:04:201
2615199312,4cyclictest81rcu_preempt12:41:211
2615199312,15cyclictest1015-21ntp_states07:40:251
2615199311,4cyclictest81rcu_preempt12:01:181
2615199311,4cyclictest81rcu_preempt11:35:591
2615199311,4cyclictest81rcu_preempt11:34:431
2615199311,4cyclictest81rcu_preempt11:04:401
2615199311,4cyclictest81rcu_preempt08:11:041
2615199311,15cyclictest16145-21irqstats08:20:221
2615099317,11cyclictest0-21swapper/012:01:180
2615099312,16cyclictest0-21swapper/009:25:270
2615099312,14cyclictest30058-21irqstats10:45:200
2615099311,4cyclictest0-21swapper/008:30:360
2615099311,26cyclictest1968-21lldpad09:46:220
2615099311,15cyclictest7463-21/usr/sbin/munin12:35:210
2615099311,13cyclictest12216-21/usr/sbin/munin12:40:230
194042310,8sleep02615099cyclictest12:15:010
142892311,5sleep10-21swapper/110:29:311
76962301,5sleep00-21swapper/007:58:360
2615199304,9cyclictest27419-21iostat_ios08:50:191
2615199302,4cyclictest81rcu_preempt09:09:021
26151993022,5cyclictest9895-21/usr/sbin/munin08:05:161
2615199301,4cyclictest81rcu_preempt08:17:191
2615099309,18cyclictest0-21swapper/012:34:080
2615099303,4cyclictest0-21swapper/008:50:280
2615099301,15cyclictest12484-21ssh11:00:230
255692301,5sleep10-21swapper/109:34:211
26151992922,5cyclictest22-21ksoftirqd/108:40:281
2615199291,4cyclictest81rcu_preempt08:35:401
2615199291,4cyclictest81rcu_preempt08:33:241
2615099299,6cyclictest3-21ksoftirqd/008:05:010
2615099295,4cyclictest81rcu_preempt08:40:060
2615099292,14cyclictest13327-21ssh09:55:090
2615099292,12cyclictest2388-21diskstats07:45:140
26150992912,5cyclictest3894-21sh11:58:490
26150992911,5cyclictest32652-21/usr/sbin/munin07:40:130
2615099291,12cyclictest0-21swapper/009:03:540
168862291,5sleep00-21swapper/008:21:100
265522281,5sleep10-21swapper/108:48:591
2615099283,4cyclictest81rcu_preempt08:55:420
2615099281,14cyclictest31574-21ntpq07:35:220
189172281,5sleep10-21swapper/108:27:501
115152281,5sleep00-21swapper/008:09:060
2615199279,5cyclictest81rcu_preempt07:40:001
2615099279,6cyclictest18922-21chrt08:27:520
2615099274,8cyclictest21469-21diskstats08:35:160
2615199261,9cyclictest28902-21/usr/sbin/munin07:30:101
2615199251,10cyclictest2388-21/usr/sbin/munin07:45:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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