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2026-01-27 - 06:03
[ 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 27, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418572099752,59cyclictest0-21swapper/120:20:001
418572099721,42cyclictest0-21swapper/121:50:011
418571799711,67cyclictest4188517-21ls19:25:010
418571799711,67cyclictest4188517-21ls19:25:010
4185717996631,29cyclictest20650irq/252-8000000.ethernet23:45:020
418572099651,37cyclictest0-21swapper/121:25:011
418571799651,60cyclictest0-21swapper/019:55:290
4185720996456,5cyclictest43902-21munin-plugin-st00:15:011
418571799641,4cyclictest12952-21grep21:10:240
4185717996335,24cyclictest20650irq/252-8000000.ethernet19:15:020
4185720996220,35cyclictest0-21swapper/120:00:181
418571799622,58cyclictest34356-21mailstats23:15:280
418571799621,58cyclictest37918-21latency_hist23:40:010
418571799612,7cyclictest4189503-21gpgconf19:30:010
4185721996038,19cyclictest30-21rcuc/220:35:012
4185720996021,32cyclictest10471-21cut20:55:271
418571799601,3cyclictest12380-21latency_hist21:10:000
418571799601,2cyclictest0-21swapper/020:15:280
4185720995831,22cyclictest0-21swapper/121:35:011
4185720995821,30cyclictest0-21swapper/121:45:001
4185720995818,32cyclictest0-21swapper/123:30:271
418571799582,54cyclictest0-21swapper/022:30:010
4185717995824,26cyclictest15123-21apt21:25:110
418572099572,48cyclictest22499-21unixbench_multi22:05:281
4185717995736,18cyclictest20916-21sendmail22:00:000
418572099565,41cyclictest0-21swapper/121:50:191
418572099562,44cyclictest9330-21/usr/sbin/munin20:50:211
4185720995621,27cyclictest0-21swapper/121:05:271
4185720995619,31cyclictest0-21swapper/123:40:161
4185720995615,34cyclictest20903-21cron22:00:001
4185717995639,12cyclictest20650irq/252-8000000.ethernet23:10:150
4185717995639,12cyclictest20650irq/252-8000000.ethernet23:10:150
4185717995631,19cyclictest0-21swapper/023:00:190
4185717995617,33cyclictest0-21swapper/021:05:010
418572099559,39cyclictest4186480-21unixbench_singl19:10:281
4185720995526,25cyclictest0-21swapper/100:25:021
418572099552,43cyclictest40846-21/usr/sbin/munin23:55:201
418572099552,42cyclictest35967-21/usr/sbin/munin23:25:271
418572099552,34cyclictest0-21swapper/119:35:001
418572099551,2cyclictest0-21swapper/122:00:021
418571799553,16cyclictest8335-21latency_hist20:45:010
4185717995525,28cyclictest0-21swapper/000:15:200
418571799551,48cyclictest0-21swapper/000:25:020
418572099544,39cyclictest17031-21fschecks_time21:35:201
418572099543,43cyclictest34698-21latency_hist23:20:001
418572099542,41cyclictest23648-21apt-get22:15:121
418571799542,6cyclictest36565-21grep23:30:180
418571799541,51cyclictest0-21swapper/019:15:050
418571799541,46cyclictest0-21swapper/021:15:110
418572099535,38cyclictest0-21swapper/122:10:281
4185720995326,21cyclictest0-21swapper/120:40:201
418572099532,44cyclictest5826-21apt-get20:30:111
418572099532,43cyclictest2612-21grep20:10:181
4185720995322,22cyclictest0-21swapper/122:20:201
4185720995321,27cyclictest11451-21grep21:00:271
4185720995318,29cyclictest0-21swapper/123:40:011
418572099531,5cyclictest0-21swapper/122:25:011
418571799539,39cyclictest19750irq/27-20000000.i2c21:45:200
4185717995324,25cyclictest5358-21proc_pri20:25:270
418571799531,5cyclictest4191223-21wc19:40:000
418571799531,4cyclictest10880-21latency_hist21:00:010
418571799531,46cyclictest0-21swapper/023:25:010
4185721995213,6cyclictest32-21ksoftirqd/222:00:012
418572099525,38cyclictest0-21swapper/100:35:271
418572099525,38cyclictest0-21swapper/100:35:271
418572099523,39cyclictest42403-21latency_hist00:05:011
418572099523,39cyclictest4190654-21/usr/sbin/munin19:35:211
418572099522,43cyclictest15121-21/usr/sbin/munin21:25:261
418572099522,41cyclictest8783-21ptp4l20:45:271
418572099522,41cyclictest8783-21ptp4l20:45:271
418572099521,44cyclictest30608-21fschecks_count22:55:191
418572099521,44cyclictest30608-21fschecks_count22:55:191
418572099521,12cyclictest0-21swapper/123:05:011
418571799527,39cyclictest16567-21grep21:30:280
4185717995228,21cyclictest20650irq/252-8000000.ethernet22:50:230
4185717995227,22cyclictest0-21swapper/020:05:010
418571799522,48cyclictest0-21swapper/000:10:160
4185717995221,27cyclictest31080-21grep22:55:300
4185717995221,27cyclictest31080-21grep22:55:300
4185717995212,38cyclictest131ktimers/000:35:150
4185717995212,38cyclictest131ktimers/000:35:150
4185721995140,7cyclictest34420-21grep23:15:282
418572099519,36cyclictest0-21swapper/119:15:211
418572099515,38cyclictest0-21swapper/123:50:281
4185720995125,21cyclictest0-21swapper/119:25:191
418572099512,41cyclictest12584-21apt-get21:10:151
418572099512,39cyclictest32190-21apt-get23:05:151
418572099512,38cyclictest13424-21apt-get21:15:121
418572099511,42cyclictest46731-21apt-get00:30:111
418572099511,42cyclictest1660-21snmpd22:40:181
418572099511,40cyclictest45936-21/usr/sbin/munin00:25:171
4185717995132,16cyclictest17424-21grep21:35:290
4185717995130,16cyclictest0-21swapper/019:40:250
4185717995129,19cyclictest167350irq/118-8000000.ethernet-tx023:45:040
418571799512,8cyclictest4193158-21lsblk19:50:210
418571799512,8cyclictest4193158-21lsblk19:50:210
418571799512,6cyclictest9801-21unixbench_singl20:50:290
4185717995126,23cyclictest0-21swapper/020:34:590
418572099503,39cyclictest27936-21latency_hist22:40:001
418572099502,40cyclictest29141-21phc2sys22:45:261
4185720995016,28cyclictest231ktimers/100:05:271
418571799503,14cyclictest35665-21grep23:25:190
4185717995031,15cyclictest20650irq/252-8000000.ethernet22:00:240
418571799502,5cyclictest4733-21sed20:20:280
4185717995020,27cyclictest0-21swapper/020:05:190
4185717995018,27cyclictest0-21swapper/022:30:240
418572099498,34cyclictest0-21swapper/123:10:281
418572099498,34cyclictest0-21swapper/123:10:281
418572099492,40cyclictest4191706-21grep19:40:261
418572099492,39cyclictest29652-21apt-get22:50:151
418572099492,38cyclictest39129-21fschecks_count23:45:191
418572099491,35cyclictest4194054-21/usr/sbin/munin19:55:221
4185720994910,32cyclictest1660-21snmpd22:30:151
418571799497,36cyclictest25273-21grep22:25:010
418571799495,40cyclictest0-21swapper/021:40:160
418571799493,7cyclictest4192364-21grep19:45:180
4185717994931,14cyclictest0-21swapper/000:05:200
418571799491,46cyclictest0-21swapper/022:15:220
418571799491,45cyclictest0-21swapper/020:45:240
418571799491,45cyclictest0-21swapper/020:45:240
418571799491,44cyclictest47073-21phc2sys-jitter00:30:260
4185717994913,26cyclictest0-21swapper/022:10:000
418571799491,10cyclictest2508-21dropbear20:10:150
4185717994910,33cyclictest14820-21grep21:20:290
418572099482,37cyclictest44265-21tune2fs00:15:201
4185720994820,23cyclictest4298-21fschecks_time20:20:191
4185720994820,21cyclictest0-21swapper/119:50:211
4185720994820,21cyclictest0-21swapper/119:50:211
4185720994819,26cyclictest0-21swapper/123:20:261
418572099481,38cyclictest4187932-21df_inode19:20:171
418572099481,38cyclictest4187932-21df_inode19:20:161
418572099481,38cyclictest1591-21apt-get20:05:171
418571799486,38cyclictest0-21swapper/021:50:270
418571799485,38cyclictest0-21swapper/022:35:160
418571799482,7cyclictest29370-21grep22:45:280
418572099471,37cyclictest5414-21ptp4l-jitter20:25:291
418572099471,37cyclictest4192177-21apt-get19:45:091
4185717994718,25cyclictest0-21swapper/000:00:270
418571799471,6cyclictest28177-21sshd22:40:210
418571799463,4cyclictest41256-21grep23:55:290
4185717994633,10cyclictest0-21swapper/022:10:270
418571799462,9cyclictest7228-21sed20:35:270
418571799462,4cyclictest4190185-21grep19:30:280
418571799462,37cyclictest4185838-21latency_hist19:10:010
4185721994537,4cyclictest4192815-21munin-plugin-st19:50:002
4185721994533,6cyclictest0-21swapper/221:35:282
4185721994530,10cyclictest0-21swapper/219:30:272
418572099453,35cyclictest6667-21apt-get20:35:121
418571799452,12cyclictest32450-21/usr/sbin/munin23:05:220
4185721994431,8cyclictest0-21swapper/220:25:302
418572099442,34cyclictest0-21swapper/119:10:011
4185717994431,7cyclictest0-21swapper/000:25:300
418571799442,5cyclictest40042-21fschecks_time23:50:200
418572199433,32cyclictest0-21swapper/223:20:262
4185721994332,6cyclictest0-21swapper/222:10:282
4185721994234,4cyclictest0-21swapper/220:35:272
4185721994232,4cyclictest0-21swapper/223:00:272
4185721994230,7cyclictest3869-21grep20:15:282
4185721994230,6cyclictest15645-21unixbench_multi21:25:282
4185721994128,7cyclictest4186424-21grep19:10:272
4185721994126,10cyclictest0-21swapper/221:10:202
4185721994123,13cyclictest0-21swapper/220:40:262
4185721994029,5cyclictest0-21swapper/219:55:282
4185721994025,9cyclictest0-21swapper/221:45:162
4185721994024,10cyclictest0-21swapper/222:15:202
418572199396,24cyclictest36188-21kworker/2:2+events23:28:212
4185721993929,5cyclictest0-21swapper/220:05:332
4185721993925,9cyclictest0-21swapper/219:30:012
4185721993925,8cyclictest0-21swapper/220:50:282
4185721993831,3cyclictest41365-21munin-plugin-st00:00:002
4185721993830,4cyclictest31133-21latency_hist23:00:002
4185721993830,4cyclictest31133-21latency_hist23:00:002
4185721993829,5cyclictest0-21swapper/219:50:292
4185721993829,5cyclictest0-21swapper/219:50:292
418572199373,25cyclictest32-21ksoftirqd/200:35:012
4185721993729,4cyclictest0-21swapper/222:29:592
4185721993726,6cyclictest0-21swapper/222:30:162
418572199362,28cyclictest0-21swapper/223:30:272
4185721993616,12cyclictest0-21swapper/200:15:022
4185721993526,5cyclictest0-21swapper/220:00:232
4185721993526,4cyclictest0-21swapper/221:40:192
4185721993525,5cyclictest0-21swapper/221:10:012
4185721993523,6cyclictest0-21swapper/220:55:272
4185721993523,4cyclictest0-21swapper/222:35:272
4185721993519,11cyclictest0-21swapper/223:10:262
4185721993519,11cyclictest0-21swapper/223:10:262
418572199351,28cyclictest0-21swapper/220:48:182
418572199351,28cyclictest0-21swapper/220:48:182
418572199351,28cyclictest0-21swapper/220:10:142
418572199351,27cyclictest13421-21/usr/sbin/munin21:15:272
4185721993423,4cyclictest167550irq/134-8000000.ethernet-tx222:45:182
4185721993421,8cyclictest0-21swapper/219:40:282
4185721993319,7cyclictest0-21swapper/219:20:192
4185721993319,7cyclictest0-21swapper/219:20:182
4185721993316,9cyclictest16836-21latency_hist21:35:022
4185721993315,5cyclictest41346-21kworker/u8:2-ext4-rsv-conversion00:10:012
4185721993222,7cyclictest0-21swapper/223:50:272
4185721993222,5cyclictest0-21swapper/223:40:262
4185721993221,7cyclictest0-21swapper/219:19:592
4185721993218,9cyclictest0-21swapper/222:05:282
4185721993217,9cyclictest311ktimers/200:25:052
418572199321,26cyclictest0-21swapper/220:20:252
418572199319,14cyclictest32-21ksoftirqd/222:00:022
4185721993122,5cyclictest32777-21grep23:05:272
4185721993116,7cyclictest311ktimers/219:35:192
4185721993022,5cyclictest24507-21/usr/sbin/munin22:20:212
4185721993022,4cyclictest0-21swapper/200:35:262
4185721993022,4cyclictest0-21swapper/200:35:262
4185721993020,6cyclictest0-21swapper/222:45:012
4185721993020,6cyclictest0-21swapper/221:50:262
418572199301,4cyclictest0-21swapper/200:20:012
4185721992920,5cyclictest1259-21in:imklog21:25:002
4185721992920,5cyclictest0-21swapper/200:00:282
4185721992918,6cyclictest0-21swapper/200:25:022
4185721992917,8cyclictest0-21swapper/222:50:202
4185721992818,5cyclictest0-21swapper/221:00:282
4185721992715,7cyclictest37782-21grep23:35:272
4185721992516,4cyclictest0-21swapper/223:45:262
4185721992314,6cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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