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2026-01-28 - 23:26
[ 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 #7, 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.

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 rack7slot7s.osadl.org (updated Wed Jan 28, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1918429278,9sleep00-21swapper/007:07:060
1929129063,9sleep20-21swapper/207:08:282
1923828463,6sleep10-21swapper/107:07:481
1912427966,9sleep30-21swapper/307:06:203
58572290,0sleep20-21swapper/210:40:412
19500992722,5cyclictest0-21swapper/110:25:091
19500992722,5cyclictest0-21swapper/110:25:091
19500992623,3cyclictest0-21swapper/111:56:071
1950099252,13cyclictest0-21swapper/109:30:131
1950099230,22cyclictest0-21swapper/110:05:211
19500992218,1cyclictest0-21swapper/112:08:141
1950099213,11cyclictest19068-21ssh10:30:111
1950099213,11cyclictest19068-21ssh10:30:101
1950099210,20cyclictest0-21swapper/110:45:221
19503992020,0cyclictest0-21swapper/209:19:462
19500992019,1cyclictest25-21ksoftirqd/110:37:211
1950099200,13cyclictest0-21swapper/111:13:191
1949899200,20cyclictest0-21swapper/011:46:520
1949899195,7cyclictest22464-21munin-run09:35:000
19503991812,4cyclictest32-21ksoftirqd/209:40:442
1950399180,17cyclictest0-21swapper/210:09:032
19500991817,1cyclictest0-21swapper/109:23:451
1950099180,17cyclictest0-21swapper/110:19:421
1950099180,15cyclictest0-21swapper/112:17:431
1949899183,6cyclictest0-21swapper/009:40:140
1949899180,16cyclictest0-21swapper/011:01:550
1950099172,14cyclictest0-21swapper/111:47:301
1950099170,17cyclictest25506-21ssh10:52:461
1950099170,17cyclictest0-21swapper/111:27:351
1949899172,13cyclictest8441-21sendmail12:00:000
1949899170,1cyclictest0-21swapper/011:27:140
1950699163,12cyclictest18562-21ssh11:26:433
1950699162,11cyclictest17428-21munin-node11:57:573
1950699160,13cyclictest0-21swapper/310:23:433
1950399167,9cyclictest28155-21kworker/u8:212:33:362
1950399160,3cyclictest0-21swapper/210:23:432
1950099160,1cyclictest0-21swapper/112:32:411
1950099160,16cyclictest0-21swapper/111:24:171
1949899167,3cyclictest17458-21apache_volume10:10:100
1949899163,7cyclictest26633-21awk07:25:000
1949899162,10cyclictest0-21swapper/012:25:110
19498991615,1cyclictest0-21swapper/012:17:100
1949899160,2cyclictest0-21swapper/011:16:200
1949899160,1cyclictest0-21swapper/009:29:350
1949899160,16cyclictest0-21swapper/012:20:200
185782160,2sleep20-21swapper/211:45:502
115952160,0chrt0-21swapper/312:00:563
19506991514,1cyclictest0-21swapper/310:45:533
19506991511,3cyclictest18372-21cron10:30:013
19506991511,3cyclictest18372-21cron10:30:003
1950399152,5cyclictest0-21swapper/211:35:042
1950399151,13cyclictest0-21swapper/212:16:092
1950099152,12cyclictest11305-21/usr/sbin/munin08:00:271
19500991511,3cyclictest0-21swapper/109:10:121
19500991510,1cyclictest0-21swapper/109:26:261
1950099150,1cyclictest0-21swapper/111:39:511
1950099150,15cyclictest0-21swapper/111:50:231
1950099150,14cyclictest0-21swapper/107:15:171
1949899153,5cyclictest225-21systemd-journal09:39:590
1949899150,1cyclictest0-21swapper/012:14:180
253262140,0sleep00-21swapper/010:33:420
253262140,0sleep00-21swapper/010:33:410
19506991411,2cyclictest3918-21cron07:44:593
19506991410,2cyclictest74282sleep311:40:003
1950699140,3cyclictest0-21swapper/309:53:413
19503991411,2cyclictest23101-21cut09:35:132
19503991410,2cyclictest31347-21grep09:20:192
1950399140,12cyclictest29525-21grep07:30:132
1950099149,2cyclictest0-21swapper/109:15:181
19500991413,1cyclictest0-21swapper/110:04:321
19500991412,1cyclictest0-21swapper/109:58:561
19500991410,2cyclictest16938-21tail09:50:181
19498991411,2cyclictest3948-21head10:20:250
19498991410,3cyclictest20960-21sh09:15:000
314172130,1sleep00-21swapper/011:35:020
1950699139,2cyclictest9007-21grep07:55:123
1950699133,7cyclictest10178-21ssh12:20:023
1950699131,1cyclictest141rcu_preempt11:02:423
19506991310,2cyclictest535-21cron08:45:003
19506991310,2cyclictest10577-21tr09:05:133
1950699130,1cyclictest0-21swapper/309:49:433
1950699130,12cyclictest21310-21grep10:50:183
1950399137,4cyclictest11459-21uname12:20:192
1950399136,3cyclictest7597-21apache_accesses09:45:112
19503991310,2cyclictest28501-21grep07:25:252
19503991310,2cyclictest26691-21grep12:10:172
19503991310,2cyclictest26667-21sed08:30:152
19503991310,2cyclictest20073-21cat10:50:012
19503991310,2cyclictest13500-21cron08:05:002
1950399130,1cyclictest0-21swapper/210:11:332
19500991310,2cyclictest4261-21grep07:45:141
19500991310,2cyclictest32448-21head09:40:181
19500991310,2cyclictest28517-21grep07:25:251
19500991310,2cyclictest2446-21grep08:45:261
19500991310,2cyclictest18547-21wc10:10:161
19500991310,2cyclictest1322-21munin-plugin-st07:40:001
1950099130,0cyclictest0-21swapper/110:40:131
1949899139,3cyclictest25840-21sed11:50:190
1949899139,2cyclictest30975-21sed09:20:170
1949899139,2cyclictest21689-21wc11:09:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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