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2026-01-15 - 02:34
[ 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 #3, slot #6

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack3slot6s.osadl.org (updated Thu Jan 15, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28580211995,19sleep30-21swapper/319:09:213
282802116104,6sleep20-21swapper/219:05:282
26839211493,15sleep10-21swapper/119:05:031
28515210695,6sleep00-21swapper/019:08:310
1767921030,1sleep012502-21diskmemload23:40:000
196802760,0sleep20-21swapper/223:05:162
53582690,1sleep30-21swapper/322:50:143
44132280,1sleep3381ktimersoftd/319:30:013
312832240,1sleep20-21swapper/200:30:262
178202240,0sleep3381ktimersoftd/322:27:173
2866299210,19cyclictest0-21swapper/322:15:113
2866199211,2cyclictest0-21swapper/220:05:122
2866199211,18cyclictest0-21swapper/221:05:132
2865999211,2cyclictest0-21swapper/023:40:100
2865999210,19cyclictest0-21swapper/019:40:120
2866299200,2cyclictest0-21swapper/323:40:113
2866299200,18cyclictest0-21swapper/320:55:113
2866299200,18cyclictest0-21swapper/320:00:113
2866299200,18cyclictest0-21swapper/300:10:113
2866199200,2cyclictest0-21swapper/223:50:102
2866199200,2cyclictest0-21swapper/223:40:102
2866299190,17cyclictest0-21swapper/300:15:113
2865999180,2cyclictest0-21swapper/023:25:100
149552180,0sleep00-21swapper/023:00:160
2866199170,2cyclictest0-21swapper/223:25:102
2866299160,3cyclictest21273-21cpuspeed_turbos21:55:113
2866199161,13cyclictest25956-21fschecks_count22:00:132
2866099161,3cyclictest0-21swapper/123:45:141
2866099160,15cyclictest0-21swapper/100:10:111
28659991613,2cyclictest31023-21kworker/u8:021:34:040
28659991613,2cyclictest31023-21kworker/u8:021:34:040
2866299151,2cyclictest7792-21ssh21:40:113
2866299150,3cyclictest0-21swapper/322:20:113
2866299150,13cyclictest577-21aten2.4_r3power19:20:093
2866299150,13cyclictest0-21swapper/320:10:243
2866199151,3cyclictest10422-21iostat_ios22:55:152
28661991510,3cyclictest25455-21rm00:25:112
2866199150,13cyclictest0-21swapper/222:33:472
2866199150,13cyclictest0-21swapper/222:15:172
2866199150,13cyclictest0-21swapper/220:45:242
2866099153,8cyclictest0-21swapper/100:06:041
2866099152,8cyclictest445-21ssh22:45:001
2866099151,3cyclictest0-21swapper/100:17:391
28660991511,2cyclictest13288-21apt-get23:35:101
2866099151,12cyclictest12767-21irqstats21:45:161
2865999151,3cyclictest11316-21ssh00:08:490
2865999151,12cyclictest27733-21apt-get23:15:120
2865999151,12cyclictest0-21swapper/000:20:070
28659991510,3cyclictest0-21swapper/022:46:230
2865999150,13cyclictest0-21swapper/023:30:130
2866299149,3cyclictest0-21swapper/323:15:283
2866299149,3cyclictest0-21swapper/300:24:403
28662991411,2cyclictest25517-21ssh21:24:063
28662991411,2cyclictest0-21swapper/321:52:083
2866299140,3cyclictest23085-21sed23:10:003
2866299140,12cyclictest5801-21ssh23:25:293
2866299140,12cyclictest3162-21ssh00:00:103
2866199149,3cyclictest12505-21apt-get21:10:062
2866199149,3cyclictest0-21swapper/222:40:282
2866199143,6cyclictest27517-21ssh21:25:222
2866199141,11cyclictest3440-21ssh22:10:412
2866199141,11cyclictest11462-21ssh00:09:052
2866199140,12cyclictest23398-21sensors23:45:232
2866099149,3cyclictest0-21swapper/123:20:271
2866099144,8cyclictest25569-21grep22:35:241
2866099141,3cyclictest32011-21awk23:55:191
28660991411,2cyclictest452-21kworker/u8:120:45:041
2866099140,2cyclictest0-21swapper/122:22:571
2866099140,13cyclictest0-21swapper/120:30:201
2865999149,3cyclictest0-21swapper/021:43:410
2865999149,3cyclictest0-21swapper/000:00:360
2865999142,7cyclictest0-21swapper/022:35:000
2865999142,7cyclictest0-21swapper/020:30:000
2865999142,7cyclictest0-21swapper/019:55:000
28659991411,2cyclictest22173-21kworker/u8:123:51:030
28659991411,2cyclictest12502-21diskmemload23:57:030
28659991411,2cyclictest0-21swapper/022:07:330
2865999140,2cyclictest28167-21ssh22:39:420
2865999140,2cyclictest0-21swapper/021:17:120
2865999140,2cyclictest0-21swapper/019:35:100
2865999140,12cyclictest12502-21diskmemload21:13:220
2865999140,12cyclictest0-21swapper/021:55:100
2865999140,12cyclictest0-21swapper/000:36:260
66482130,2sleep20-21swapper/200:03:442
308022130,3sleep130811-21ssh23:18:101
2866299134,6cyclictest0-21swapper/322:48:583
2866299132,8cyclictest0-21swapper/320:53:013
28662991310,2cyclictest0-21swapper/321:26:023
28662991310,2cyclictest0-21swapper/321:10:043
28662991310,2cyclictest0-21swapper/320:25:263
28662991310,2cyclictest0-21swapper/319:15:173
2866299130,2cyclictest0-21swapper/322:39:473
2866299130,2cyclictest0-21swapper/319:35:163
2866299130,12cyclictest0-21swapper/323:52:073
2866299130,12cyclictest0-21swapper/321:48:173
2866299130,12cyclictest0-21swapper/321:38:173
2866299130,11cyclictest0-21swapper/322:40:103
2866199138,3cyclictest0-21swapper/223:23:382
2866199137,4cyclictest301ktimersoftd/200:20:222
28661991310,2cyclictest10915-21ssh22:20:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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