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2026-01-21 - 20:28
[ 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 #e, 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.

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 rackeslot6s.osadl.org (updated Wed Jan 21, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3496032998512,6cyclictest3497965-21apt-get07:20:010
3496032998512,6cyclictest3497965-21apt-get07:20:010
349603299802,65cyclictest0-21swapper/009:10:110
3496032997215,4cyclictest0-21swapper/012:15:260
349603699637,25cyclictest3522091-21cmp09:40:012
349603699637,25cyclictest3522091-21cmp09:40:012
349603699618,33cyclictest0-21swapper/211:00:012
3496035995642,9cyclictest0-21swapper/109:15:011
3496036995334,14cyclictest311ktimers/210:35:132
3496036995230,15cyclictest311ktimers/208:30:132
3496035995239,7cyclictest3518516-21sendmail09:20:001
3496036995139,9cyclictest3525451-21sendmail10:00:002
3496036995123,20cyclictest0-21swapper/210:25:012
349603299516,14cyclictest3519457-21cat09:25:010
349603299516,14cyclictest3519457-21cat09:25:010
349603699509,14cyclictest311ktimers/212:00:122
3496035995041,5cyclictest0-21swapper/109:25:001
3496035995041,5cyclictest0-21swapper/109:25:001
3496032995040,6cyclictest3524513-21grep09:50:280
3496035994940,5cyclictest3539230-21sendmail11:20:001
3496032994943,3cyclictest167350irq/118-8000000.ethernet-tx009:15:230
3496032994930,16cyclictest167350irq/118-8000000.ethernet-tx010:40:020
3496036994828,9cyclictest0-21swapper/211:10:272
3496036994827,14cyclictest311ktimers/211:00:122
3496035994816,26cyclictest3511364-21phc2sys-jitter08:35:251
349603299482,42cyclictest3520230-21grep09:25:270
349603299482,42cyclictest3520230-21grep09:25:270
3496036994736,7cyclictest3517572-21munin-plugin-st09:15:012
3496036994734,7cyclictest0-21swapper/207:55:302
3496036994726,15cyclictest311ktimers/210:00:122
3496035994736,7cyclictest3529013-21sendmail10:20:001
3496035994736,6cyclictest0-21swapper/112:25:021
3496035994734,9cyclictest0-21swapper/109:00:281
349603599471,14cyclictest0-21swapper/111:30:201
3496036994638,4cyclictest0-21swapper/207:25:162
3496036994627,13cyclictest311ktimers/211:40:132
3496036994627,13cyclictest311ktimers/211:40:132
3496035994627,9cyclictest3516635-21grep09:05:281
3496036994529,9cyclictest0-21swapper/209:05:282
3496035994529,11cyclictest0-21swapper/111:55:271
349603299453,5cyclictest3539101-21xargs11:15:270
3496032994534,8cyclictest3552843-21sendmail12:40:010
3496032994438,4cyclictest20650irq/252-8000000.ethernet08:40:160
3496032994437,4cyclictest0-21swapper/011:05:010
3496032994427,11cyclictest0-21swapper/012:25:010
3496036994326,12cyclictest311ktimers/211:35:152
3496035994334,6cyclictest3537546-21munin-plugin-st11:10:001
3496035994328,6cyclictest0-21swapper/107:15:011
3496035994324,11cyclictest231ktimers/111:10:111
349603599431,16cyclictest0-21swapper/110:05:021
3496032994334,6cyclictest3551887-21grep12:30:280
349603299432,5cyclictest3547305-21irqstats12:05:220
349603299431,40cyclictest0-21swapper/011:30:270
3496036994235,4cyclictest311ktimers/210:20:012
3496036994234,5cyclictest0-21swapper/210:45:282
3496036994234,5cyclictest0-21swapper/210:45:282
3496035994233,5cyclictest0-21swapper/112:00:161
349603599423,2cyclictest0-21swapper/108:00:021
3496035994232,7cyclictest3503887-21grep07:50:281
3496035994227,9cyclictest0-21swapper/109:55:291
349603299425,3cyclictest0-21swapper/009:35:000
3496032994230,8cyclictest0-21swapper/010:50:280
349603299422,5cyclictest3523379-21irqstats09:45:220
3496032994220,20cyclictest0-21swapper/009:05:200
3496036994132,6cyclictest3519318-21grep09:20:272
3496036994132,6cyclictest3519318-21grep09:20:272
3496036994132,5cyclictest0-21swapper/207:35:292
3496036994131,5cyclictest0-21swapper/208:20:212
3496035994130,6cyclictest0-21swapper/108:50:181
3496035994127,8cyclictest0-21swapper/107:45:291
349603299413,3cyclictest0-21swapper/007:25:280
3496032994133,4cyclictest20850irq/208-8000000.ethernet10:40:000
3496032994124,15cyclictest0-21swapper/007:45:240
349603299412,33cyclictest0-21swapper/008:55:010
3496032994110,9cyclictest14-21rcu_preempt08:50:010
3496036994025,9cyclictest311ktimers/209:25:102
3496036994025,9cyclictest311ktimers/209:25:102
3496036994024,9cyclictest0-21swapper/212:05:272
3496036994024,11cyclictest311ktimers/207:45:132
3496036994023,12cyclictest311ktimers/212:30:122
349603599406,17cyclictest22-21rcuc/110:50:181
3496035994026,8cyclictest0-21swapper/108:15:271
3496035994025,10cyclictest0-21swapper/112:25:261
3496035994023,12cyclictest0-21swapper/111:20:201
3496032994034,4cyclictest0-21swapper/011:20:190
3496032994033,4cyclictest3550685-21fschecks_time12:25:190
3496032994031,5cyclictest0-21swapper/010:50:000
3496032994031,5cyclictest0-21swapper/010:50:000
3496036993931,3cyclictest3528060-21grep10:10:282
3496036993927,7cyclictest3511592-21grep08:35:282
3496036993921,12cyclictest311ktimers/208:40:142
3496035993932,4cyclictest167450irq/126-8000000.ethernet-tx108:00:001
3496035993930,5cyclictest0-21swapper/110:40:001
3496035993927,6cyclictest0-21swapper/109:50:261
3496035993926,9cyclictest3520492-21/usr/sbin/munin09:30:181
3496035993926,6cyclictest0-21swapper/107:15:171
3496035993926,6cyclictest0-21swapper/107:15:171
349603599391,32cyclictest0-21swapper/109:35:261
349603599391,32cyclictest0-21swapper/109:35:261
3496032993932,4cyclictest3522163-21cat09:40:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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