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2026-02-06 - 22:06
[ 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 Fri Feb 06, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297579911691139,26cyclictest5226-21apt-get07:40:571
294602562518,30sleep00-21swapper/007:22:290
296812464417,32sleep10-21swapper/107:24:481
2975799116111,3cyclictest19445-21kworker/1:307:25:101
297569911293,14cyclictest0-21swapper/007:40:580
1288021100,7sleep12975799cyclictest09:50:211
2078421050,8sleep12975799cyclictest12:45:211
2402921000,6sleep124025-21df12:15:091
159152800,4sleep00-21swapper/011:31:240
170612770,7sleep12975799cyclictest11:33:041
127512760,4sleep0111rcuc/009:16:330
2975699581,15cyclictest9719-21irqstats11:25:210
77522550,3sleep1211ktimersoftd/111:56:241
285392470,7sleep02975699cyclictest11:45:110
126482460,3sleep122-21ksoftirqd/112:36:141
2975699438,31cyclictest0-21swapper/011:13:550
2975799427,32cyclictest0-21swapper/110:50:161
311182411,36sleep131128-21ssh11:47:251
2975799415,5cyclictest81rcu_preempt10:56:361
29756994016,5cyclictest15621-21aten_r4power_vo12:40:110
2975699394,32cyclictest0-21swapper/009:26:360
230782390,4sleep029754-21cyclictest08:30:110
29757993829,5cyclictest0-21swapper/110:18:551
29757993810,7cyclictest0-21swapper/108:40:151
2975699382,32cyclictest0-21swapper/012:48:360
29756993816,8cyclictest15319-21grep11:00:000
81922370,3sleep03-21ksoftirqd/011:24:130
81922370,3sleep03-21ksoftirqd/011:24:120
305862371,3sleep02645-21snmpd10:09:050
2975799378,18cyclictest0-21swapper/109:44:131
2975799363,31cyclictest0-21swapper/108:07:351
29757993622,11cyclictest25952-21sshd11:09:381
255442360,4sleep0111rcuc/011:09:220
251722361,31sleep125302-21cpuspeed_turbos09:30:131
240502361,31sleep124060-21ssh09:28:521
2975799356,4cyclictest81rcu_preempt08:37:101
2975799353,28cyclictest0-21swapper/109:12:151
29757993527,5cyclictest0-21swapper/112:32:551
2975799352,5cyclictest0-21swapper/110:38:561
2975799351,30cyclictest28939-21diskstats12:20:161
2975699358,14cyclictest30497-21gdbus11:35:190
2975699357,5cyclictest81rcu_preempt12:35:390
2975699352,29cyclictest32732-21ssh10:44:370
2975699352,29cyclictest0-21swapper/009:55:550
2975699351,6cyclictest0-21swapper/009:46:360
29756993515,6cyclictest16636-21users08:10:290
2975699351,21cyclictest2393-21grep12:25:290
234962350,4sleep1211ktimersoftd/108:30:191
199932351,30sleep120113-21users11:35:311
157152356,5sleep115823-21fschecks_time12:05:171
2975799344,16cyclictest26105-21udevd11:10:011
2975799343,5cyclictest81rcu_preempt12:01:361
2975799343,4cyclictest81rcu_preempt11:22:301
2975799343,4cyclictest81rcu_preempt11:22:301
2975799341,30cyclictest0-21swapper/107:50:561
2975699349,6cyclictest7200-21vmstat09:10:310
2975699342,4cyclictest0-21swapper/011:15:550
29756993414,4cyclictest1742-21apt-get07:35:000
2975699341,23cyclictest0-21swapper/010:54:500
2975699341,15cyclictest24659-21/usr/sbin/munin10:35:280
2975799333,5cyclictest81rcu_preempt12:42:221
29757993326,5cyclictest0-21swapper/108:58:161
2975799332,19cyclictest0-21swapper/109:46:001
2975799331,30cyclictest0-21swapper/107:56:351
2975699332,12cyclictest17516-21taskset12:06:300
2975699331,7cyclictest0-21swapper/008:57:580
2975699331,30cyclictest0-21swapper/007:35:350
2975699331,30cyclictest0-21swapper/007:28:560
2975699331,29cyclictest0-21swapper/007:47:150
2975799325,5cyclictest81rcu_preempt12:53:441
2975799324,5cyclictest81rcu_preempt12:25:411
2975799324,4cyclictest81rcu_preempt11:27:121
2975799323,4cyclictest81rcu_preempt09:21:081
29757993224,6cyclictest0-21swapper/109:36:561
2975699329,19cyclictest0-21swapper/012:10:260
2975699328,5cyclictest0-21swapper/010:22:440
2975699324,4cyclictest81rcu_preempt11:51:270
2975699323,4cyclictest81rcu_preempt10:00:520
2975699323,12cyclictest0-21swapper/009:50:080
29756993225,5cyclictest0-21swapper/009:37:160
29756993225,5cyclictest0-21swapper/008:04:560
29756993222,6cyclictest2309-21cron12:20:000
2975699322,15cyclictest4474-21df_inode10:15:130
2975699321,28cyclictest0-21swapper/007:51:150
2975699321,27cyclictest1968-21lldpad12:02:040
2975699321,23cyclictest0-21swapper/008:08:420
2975699321,13cyclictest10042-21fschecks_count07:55:150
29756993211,10cyclictest0-21swapper/012:31:140
2975799317,4cyclictest81rcu_preempt09:15:431
29757993123,5cyclictest1067-21ssh11:50:151
2975799311,4cyclictest81rcu_preempt10:07:021
2975799311,4cyclictest81rcu_preempt09:06:191
2975799311,27cyclictest0-21swapper/111:41:031
2975799311,16cyclictest25628-21ssh10:03:551
2975699319,10cyclictest0-21swapper/012:53:160
29756993124,5cyclictest0-21swapper/012:20:360
29756993124,4cyclictest0-21swapper/009:23:560
2975699312,15cyclictest2260-21users10:45:300
2975699311,4cyclictest81rcu_preempt09:43:590
2975699311,27cyclictest111-21usb-storage09:05:400
2975699311,26cyclictest1968-21lldpad10:29:310
2975799307,4cyclictest81rcu_preempt11:15:131
2975799306,13cyclictest40550irq/92-i91509:55:401
29757993016,8cyclictest19448-21diskstats08:20:161
2975799301,4cyclictest81rcu_preempt10:41:011
2975799301,4cyclictest81rcu_preempt08:46:101
29757993014,13cyclictest22-21ksoftirqd/110:14:341
2975699304,19cyclictest6379-21iostat_ios11:55:220
2975699303,4cyclictest81rcu_preempt10:10:440
2975699302,4cyclictest81rcu_preempt11:44:430
29756993011,6cyclictest28953-21grep08:45:150
2975699301,12cyclictest27265-21ssh09:31:300
205722301,5sleep00-21swapper/010:31:060
205092301,5sleep00-21swapper/008:21:210
180762301,5sleep10-21swapper/110:29:301
2975799299,16cyclictest0-21swapper/110:31:331
2975799294,4cyclictest81rcu_preempt08:53:491
2975799293,4cyclictest81rcu_preempt08:03:181
2975799291,6cyclictest166572awk11:00:291
2975799291,4cyclictest81rcu_preempt09:04:561
2975799291,4cyclictest81rcu_preempt08:25:511
29757992914,12cyclictest22-21ksoftirqd/110:48:431
2975699292,15cyclictest15485-21/usr/sbin/munin11:00:120
2975699291,7cyclictest27132-21fschecks_time08:40:150
29756992910,5cyclictest17948-21sort08:15:200
29756992910,5cyclictest17948-21sort08:15:200
29756992910,5cyclictest0-21swapper/008:54:140
260832291,5sleep00-21swapper/008:35:520
125072291,5sleep10-21swapper/110:23:261
2975699284,11cyclictest0-21swapper/009:00:290
226332281,5sleep00-21swapper/008:28:580
188562281,5sleep10-21swapper/108:18:561
188562281,5sleep10-21swapper/108:18:551
73742271,5sleep10-21swapper/107:46:481
2975799273,8cyclictest3302-21runrttasks12:14:131
2975799271,4cyclictest81rcu_preempt08:14:421
13652271,5sleep10-21swapper/107:31:381
29757992516,6cyclictest22-21ksoftirqd/107:35:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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