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2026-01-20 - 14:23
[ 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 792 highest latencies:
System rackeslot6s.osadl.org (updated Tue Jan 20, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216094899806,29cyclictest2174047-21apt-get20:25:011
216094599711,2cyclictest0-21swapper/021:35:010
216094999707,33cyclictest2210072-21/usr/sbin/munin23:55:212
216094999707,33cyclictest2210072-21/usr/sbin/munin23:55:212
2160945997033,32cyclictest2208944-21munin-plugin-st23:50:000
2160945996823,38cyclictest0-21swapper/021:45:010
2160945996823,38cyclictest0-21swapper/021:45:010
2160949996631,31cyclictest2198699-21unixbench_multi22:45:302
216094599661,2cyclictest0-21swapper/022:50:000
216094599651,39cyclictest0-21swapper/022:25:010
2160949996424,32cyclictest0-21swapper/220:00:282
216094599642,5cyclictest2205227-21memory23:25:250
216094599621,7cyclictest2166243-21sshd19:38:180
216094599621,56cyclictest2175575-21/usr/sbin/munin20:30:250
216094599621,56cyclictest2175575-21/usr/sbin/munin20:30:250
216094599613,54cyclictest2207996-21grep23:40:270
216094599611,25cyclictest0-21swapper/020:30:010
216094999602,36cyclictest0-21swapper/222:00:022
2160949996019,31cyclictest0-21swapper/222:50:202
216094999595,46cyclictest2175717-21tail20:30:272
216094999595,46cyclictest2175717-21tail20:30:272
2160948995916,7cyclictest2163094-21/usr/sbin/munin19:20:181
2160945995923,33cyclictest2191944-21tail22:05:280
2160948995850,5cyclictest231ktimers/120:15:021
2160949995725,26cyclictest0-21swapper/219:25:312
2160949995721,26cyclictest0-21swapper/223:10:282
2160948995711,13cyclictest2199848-21/usr/sbin/munin22:55:181
216094599572,4cyclictest2214030-21sed00:15:280
2160945995718,33cyclictest0-21swapper/023:15:020
216094599571,50cyclictest0-21swapper/022:35:010
216094599571,47cyclictest0-21swapper/019:35:000
2160949995633,18cyclictest0-21swapper/200:30:002
2160945995626,26cyclictest2179114-21grep20:50:280
2160945995621,31cyclictest0-21swapper/021:20:200
216094999554,42cyclictest2193502-21ptp4l22:15:252
216094999554,41cyclictest2204429-21phc2sys-jitter23:20:272
216094999551,47cyclictest0-21swapper/221:10:252
216094599551,4cyclictest2182747-21sed21:15:010
216094999545,40cyclictest0-21swapper/221:45:292
216094999544,44cyclictest2216406-21ptp4l00:30:262
216094999543,44cyclictest2189273-21head21:50:292
216094999543,42cyclictest2180815-21grep21:00:292
2160949995431,16cyclictest0-21swapper/221:20:002
2160949995426,23cyclictest0-21swapper/221:05:292
2160945995427,23cyclictest20650irq/252-8000000.ethernet20:05:180
216094599542,48cyclictest2190484-21apt-get22:00:160
2160945995424,26cyclictest0-21swapper/023:00:270
216094599542,3cyclictest2189428-21cmp21:55:010
216094599541,4cyclictest2210350-21kernelversion23:55:260
216094599541,4cyclictest2210350-21kernelversion23:55:260
216094599541,4cyclictest2190201-21grep21:55:300
216094599541,14cyclictest2174222-21wc20:25:010
216094999536,38cyclictest2212313-21grep00:05:302
2160949995314,32cyclictest0-21swapper/220:20:292
2160948995341,8cyclictest1283-21cron23:35:001
2160948995341,8cyclictest1283-21cron23:35:001
2160948995337,10cyclictest0-21swapper/121:00:291
216094599533,42cyclictest2206334-21grep23:30:290
216094599533,42cyclictest2206334-21grep23:30:290
2160945995333,16cyclictest0-21swapper/021:00:290
2160945995328,21cyclictest0-21swapper/000:25:180
216094599532,44cyclictest2170228-21grep20:00:260
2160945995322,26cyclictest0-21swapper/023:10:010
216094599531,2cyclictest0-21swapper/020:45:020
216094999524,41cyclictest0-21swapper/220:35:182
216094999524,38cyclictest2206335-21grep23:30:302
216094999524,38cyclictest2206335-21grep23:30:302
216094999523,41cyclictest2185072-21grep21:25:292
2160949995218,29cyclictest0-21swapper/222:35:282
2160949995218,26cyclictest0-21swapper/200:15:012
2160949995218,26cyclictest0-21swapper/200:15:012
216094999521,44cyclictest0-21swapper/219:10:112
2160949995211,35cyclictest2211473-21grep00:00:292
216094599528,39cyclictest0-21swapper/022:10:280
2160945995227,23cyclictest2209672-21unixbench_multi23:50:280
2160945995226,21cyclictest20650irq/252-8000000.ethernet22:35:150
216094599522,4cyclictest0-21swapper/020:10:170
2160945995218,30cyclictest2179853-21sendmail_mailst20:55:280
216094599521,5cyclictest2211572-21munin-run00:04:590
216094599521,49cyclictest0-21swapper/000:05:290
216094599521,3cyclictest2176653-21cron20:40:000
216094999515,39cyclictest0-21swapper/221:40:012
216094999513,40cyclictest274-21systemd-journal23:00:002
216094999513,40cyclictest2208016-21sed23:40:272
216094999513,39cyclictest2172179-21grep20:10:292
216094999513,38cyclictest2178983-21ptp4l-jitter20:50:272
216094999513,38cyclictest2169414-21ptp4l19:55:252
216094999512,8cyclictest2217036-21fschecks_time00:35:202
2160949995126,19cyclictest0-21swapper/223:35:202
2160949995114,29cyclictest0-21swapper/219:30:272
216094599516,41cyclictest0-21swapper/000:10:290
216094599516,41cyclictest0-21swapper/000:10:290
2160945995136,12cyclictest0-21swapper/021:25:170
2160945995128,20cyclictest20850irq/208-8000000.ethernet20:45:170
2160945995128,20cyclictest20850irq/208-8000000.ethernet20:45:170
2160945995127,19cyclictest1660-21snmpd19:56:250
216094599512,10cyclictest2204616-21grep23:20:290
216094599511,4cyclictest2200152-21memory22:55:240
216094599511,45cyclictest2173148-21head20:15:290
216094999504,38cyclictest2214881-21head00:20:292
216094999504,37cyclictest2209143-21/usr/sbin/munin23:50:222
216094999503,7cyclictest2163510-21ptp4l19:20:262
216094999503,38cyclictest2203775-21tail23:15:272
216094999503,38cyclictest2203775-21tail23:15:272
216094999502,38cyclictest2191948-21grep22:05:282
216094999501,25cyclictest0-21swapper/219:10:012
2160949995011,31cyclictest0-21swapper/223:45:262
2160945995025,20cyclictest0-21swapper/021:05:290
2160945995024,22cyclictest0-21swapper/021:45:270
216094599501,6cyclictest2163199-21sshd19:20:190
216094599501,47cyclictest0-21swapper/000:30:280
2160945995012,33cyclictest0-21swapper/019:25:310
216094999499,33cyclictest2202127-21unixbench_singl23:05:292
216094999494,37cyclictest2173088-21grep20:15:292
216094999494,37cyclictest0-21swapper/223:25:262
216094999493,36cyclictest2166141-21grep19:35:282
216094999492,8cyclictest2166671-21lsblk19:40:222
216094999492,38cyclictest2213546-21fschecks_count00:15:182
216094999492,38cyclictest2187548-21grep21:40:262
216094999492,38cyclictest2187548-21grep21:40:262
216094999491,10cyclictest2178478-21latency_hist20:50:012
216094999491,10cyclictest2178478-21latency_hist20:50:012
2160945994930,16cyclictest0-21swapper/019:15:200
216094599492,42cyclictest2166476-21apt-get19:40:160
216094599492,3cyclictest2193089-21apt-get22:15:140
216094599491,4cyclictest2203295-21diskstats23:15:180
216094599491,4cyclictest2203295-21diskstats23:15:170
216094599491,45cyclictest2195278-21awk22:25:260
216094599491,45cyclictest2186656-21basename21:35:280
216094599491,42cyclictest2216915-21/usr/sbin/munin00:35:170
216094999485,35cyclictest2197872-21grep22:40:292
216094999485,35cyclictest2197872-21grep22:40:282
216094999483,39cyclictest0-21swapper/220:05:202
216094999482,38cyclictest2194884-21cut22:25:172
216094999482,38cyclictest2191006-21grep22:00:282
216094999481,4cyclictest0-21swapper/220:40:012
2160949994810,31cyclictest2196201-21head22:30:262
2160949994810,31cyclictest0-21swapper/221:20:232
2160948994838,5cyclictest2179134-21grep20:50:291
216094599486,37cyclictest0-21swapper/022:40:280
216094599486,37cyclictest0-21swapper/022:40:280
2160945994827,18cyclictest0-21swapper/019:15:010
216094599482,38cyclictest2183312-21grep21:15:270
216094599482,10cyclictest2168354-21grep19:50:210
216094599482,10cyclictest2168354-21grep19:50:210
216094999478,31cyclictest2167855-21tail19:45:282
216094999474,9cyclictest2185852-21tail21:30:302
216094999473,36cyclictest2201290-21grep23:00:272
216094999472,8cyclictest2162108-21fschecks_time19:15:032
2160949994726,17cyclictest0-21swapper/222:20:182
2160948994733,9cyclictest0-21swapper/122:05:011
216094599475,37cyclictest0-21swapper/019:45:280
216094599471,3cyclictest2214572-21irqstats00:20:230
216094999464,35cyclictest2174684-21phc2sys-jitter20:25:272
216094999464,34cyclictest0-21swapper/219:50:212
216094999464,34cyclictest0-21swapper/219:50:212
216094999461,9cyclictest2179538-21grep20:55:212
2160948994636,5cyclictest2183425-21munin-plugin-st21:20:011
216094599464,37cyclictest2207164-21grep23:35:280
216094999452,10cyclictest2192389-21fschecks_time22:10:202
2160948994537,2cyclictest0-21swapper/100:05:011
2160948994515,19cyclictest22-21rcuc/122:45:191
2160948994436,5cyclictest2168799-21munin-plugin-st19:55:001
2160948994436,5cyclictest2168799-21munin-plugin-st19:55:001
216094599446,34cyclictest0-21swapper/019:10:010
216094599442,6cyclictest2199813-21cat22:55:010
216094899433,15cyclictest0-21swapper/120:10:021
2160948994322,12cyclictest0-21swapper/100:10:281
2160948994322,12cyclictest0-21swapper/100:10:281
2160948994227,11cyclictest0-21swapper/100:35:271
2160948994034,3cyclictest2169329-21phc2sys19:55:241
2160948994029,5cyclictest0-21swapper/122:40:171
2160948994029,5cyclictest0-21swapper/122:40:171
2160948994026,8cyclictest0-21swapper/122:50:291
2160948994025,10cyclictest0-21swapper/100:20:291
2160948993929,7cyclictest0-21swapper/121:25:011
2160948993829,5cyclictest2162878-21munin-plugin-st19:20:001
2160948993828,5cyclictest0-21swapper/120:55:211
2160948993825,8cyclictest0-21swapper/119:25:311
2160948993824,10cyclictest0-21swapper/121:50:281
2160948993823,9cyclictest0-21swapper/100:25:191
2160948993728,5cyclictest167450irq/126-8000000.ethernet-tx121:35:221
2160948993728,5cyclictest0-21swapper/123:35:181
2160948993721,10cyclictest0-21swapper/121:55:301
2160948993720,9cyclictest0-21swapper/119:30:261
216094899371,4cyclictest0-21swapper/120:20:011
216094899371,30cyclictest0-21swapper/121:05:261
216094899367,10cyclictest2181933-21/usr/sbin/munin21:10:181
216094899366,24cyclictest0-21swapper/123:50:261
2160948993629,4cyclictest167450irq/126-8000000.ethernet-tx122:20:271
2160948993625,6cyclictest0-21swapper/122:15:271
2160948993619,11cyclictest0-21swapper/120:40:291
2160948993618,9cyclictest0-21swapper/121:40:271
2160948993618,9cyclictest0-21swapper/121:40:271
2160948993523,8cyclictest2170568-21latency_hist20:05:011
2160948993523,7cyclictest2192888-21munin-plugin-st22:15:011
216094899352,27cyclictest2194788-21/usr/sbin/munin22:25:201
2160948993428,3cyclictest167450irq/126-8000000.ethernet-tx123:55:301
2160948993428,3cyclictest167450irq/126-8000000.ethernet-tx123:55:301
2160948993426,4cyclictest0-21swapper/123:20:001
2160948993426,4cyclictest0-21swapper/123:20:001
2160948993424,5cyclictest0-21swapper/122:35:001
2160948993421,8cyclictest0-21swapper/119:10:291
2160948993420,8cyclictest0-21swapper/100:15:201
216094899341,27cyclictest2185316-21/usr/sbin/munin21:30:191
216094899341,27cyclictest0-21swapper/123:45:121
216094899341,27cyclictest0-21swapper/123:20:241
2160948993325,4cyclictest167450irq/126-8000000.ethernet-tx119:40:211
2160948993324,6cyclictest0-21swapper/120:40:011
2160948993321,6cyclictest0-21swapper/121:25:291
216094899331,5cyclictest2177965-21if_eth120:45:231
216094899331,5cyclictest2177965-21if_eth120:45:231
2160948993222,5cyclictest0-21swapper/119:45:211
216094899321,25cyclictest0-21swapper/120:30:211
216094899321,25cyclictest0-21swapper/120:30:211
216094899321,24cyclictest0-21swapper/100:00:181
216094899317,19cyclictest22-21rcuc/123:10:011
2160948993122,5cyclictest2216579-21grep00:30:281
216094899311,24cyclictest2197092-21sshd22:37:181
216094899302,5cyclictest2187920-21df_inode21:45:181
2160948993021,5cyclictest2202924-21unixbench_multi23:10:281
2160948993018,8cyclictest0-21swapper/123:40:281
2160948992919,6cyclictest2201311-21grep23:00:291
216094899291,26cyclictest0-21swapper/120:25:121
2160948992818,7cyclictest0-21swapper/119:35:261
2160948992614,6cyclictest0-21swapper/123:25:201
2160948992515,6cyclictest1653-21lldpd22:08:241
2160948992214,3cyclictest2160905-21latency_hist19:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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