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2026-02-09 - 05:44
[ 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 #7

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.

Note that this system runs a non-RT kernel.
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 rackbslot7s.osadl.org (updated Mon Feb 09, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78832175113,1724sleep319364-21kworker/3:200:19:343
850228508,831sleep314317-1kworker/3:1H22:37:513
850228508,831sleep314317-1kworker/3:1H22:37:513
944128495,834sleep031687-1kworker/0:0H19:15:260
944128495,834sleep031687-1kworker/0:0H19:15:260
32272270810,690sleep111853-1kworker/1:0H20:25:201
754526956,677sleep07553-21ntpq19:09:490
3198626646,646sleep111853-1kworker/1:0H22:10:441
3198626646,646sleep111853-1kworker/1:0H22:10:441
2339126129,588sleep223402-21ntpq23:24:462
31443250382,233sleep031473-21fschecks_count20:25:030
1125024586,396sleep011286-21ntpq19:19:460
2737524576,439sleep224509-1kworker/2:0H23:37:132
2737524576,439sleep224509-1kworker/2:0H23:37:132
28640244612,411sleep028783-21unixbench_singl23:40:350
1204237346,317sleep029090-21snmpd23:57:590
4509234411,319sleep14515-21ntpq22:24:491
12016232811,292sleep012173-21tail21:04:530
5099231214,284sleep25100-21/usr/sbin/munin20:44:362
27148230046,239sleep027292-21sed20:09:530
27148230046,239sleep027292-21sed20:09:530
17201228816,168sleep00-21swapper/019:39:410
24947228796,173sleep025032-21fschecks_time20:04:400
24947228796,173sleep025032-21fschecks_time20:04:400
1000224575,147sleep01014-21fschecks_count22:14:380
9209221518,32sleep00-21swapper/022:39:420
9209221518,32sleep00-21swapper/022:39:420
15878221410,189sleep115922-21ntpq19:34:451
11044221010,183sleep011079-21awk21:04:200
6873220811,180sleep06932-21dpkg22:34:210
20356219411,160sleep020395-21idleruntime19:49:420
25435218992,31sleep025323-21/usr/sbin/munin21:49:390
26922218223,142sleep127006-21grep23:36:481
26922218223,142sleep127006-21grep23:36:481
7813218117,147sleep27842-21/usr/sbin/munin22:37:262
7813218117,147sleep27842-21/usr/sbin/munin22:37:262
9876218031,65sleep29966-21sort20:59:422
8156217949,71sleep08187-21kernelversion00:19:430
29507217931,133sleep029614-21fschecks_time23:44:380
27707217912,82sleep00-21swapper/023:40:140
27707217912,82sleep00-21swapper/023:40:140
24343217884,26sleep00-21swapper/021:44:500
24343217884,26sleep00-21swapper/021:44:500
4812217214,16sleep30-21swapper/300:09:373
23961216949,105sleep024084-21cat19:59:520
449521688,146sleep06875-21cyclictest22:24:480
21211216812,20sleep00-21swapper/023:19:230
12617216416,121sleep00-21swapper/022:49:520
12617216416,121sleep00-21swapper/022:49:520
19590216242,57sleep00-21swapper/021:29:480
19590216242,57sleep00-21swapper/021:29:480
1801521629,66sleep00-21swapper/023:09:210
323721569,84sleep03309-21unin-run20:39:210
1725215517,123sleep00-21swapper/023:59:410
1725215517,123sleep00-21swapper/023:59:410
12621215217,110sleep312635-21fschecks_count00:34:403
25752214414,114sleep025791-21http23:34:210
25752214414,114sleep025791-21http23:34:210
31516214015,105sleep231303-21apt-get22:09:232
31516214015,105sleep231303-21apt-get22:09:232
828521389,60sleep08316-21fschecks_count20:54:390
6728213848,76sleep06754-21fschecks_count20:49:380
5037213716,21sleep10-21swapper/100:09:431
828421348,65sleep00-21swapper/022:37:360
828421348,65sleep00-21swapper/022:37:360
41921329,65sleep0410-21apt-get20:29:360
41921329,65sleep0410-21apt-get20:29:360
1274421318,13sleep10-21swapper/100:34:421
31534213016,85sleep00-21swapper/023:49:510
13856212918,50sleep00-21swapper/022:54:440
13856212918,50sleep00-21swapper/022:54:440
25977212716,86sleep126103-21sort21:49:521
13357212612,101sleep012868-21/usr/sbin/munin21:09:490
13357212612,101sleep012868-21/usr/sbin/munin21:09:490
5009212445,67sleep05036-21cut00:09:420
764821238,57sleep00-21swapper/000:19:230
764821238,57sleep00-21swapper/000:19:230
2478212317,92sleep10-21swapper/120:34:501
13083212320,77sleep213228-21sed19:24:532
692212069,22sleep00-21swapper/022:14:220
692212069,22sleep00-21swapper/022:14:220
1402421208,54sleep00-21swapper/019:29:390
12803211911,96sleep012847-21ntpq19:24:460
22014211814,86sleep122099-21cat21:39:221
9775211737,50sleep39772-21apt-get20:59:353
4503211525,68sleep04607-21date00:09:220
4503211525,68sleep04607-21date00:09:220
2708211316,77sleep12758-21/usr/sbin/munin22:19:401
17288211320,67sleep117315-21modprobe21:24:201
22003211241,61sleep022013-21munin-run21:39:210
4041211113,84sleep14122-21mailstats20:39:501
15262211113,83sleep315362-21latency_hist19:34:223
13954211027,54sleep213944-21apt-get19:29:372
9644210816,73sleep39650-21idleruntime00:24:433
3645210816,74sleep00-21swapper/020:39:410
28232210812,82sleep228274-21date21:59:222
21983210513,15sleep00-21swapper/019:54:430
8705210414,75sleep28797-21mailstats20:54:492
2383210418,63sleep22525-21grep23:59:552
2383210418,63sleep22525-21grep23:59:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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