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2026-02-18 - 11:17
[ 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 Wed Feb 18, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27119499912511,24cyclictest2746332-21apt-get22:30:013
2711943991189,105cyclictest0-21swapper/022:30:010
2711943997532,39cyclictest2761150-21apt-get23:55:110
2711943997367,4cyclictest0-21swapper/023:30:010
2711943997323,5cyclictest2726147-21grep20:30:200
2711943996426,35cyclictest2762485-21/usr/sbin/munin00:00:270
2711943996417,6cyclictest2729539-21/usr/sbin/munin20:50:200
2711943996325,4cyclictest2745392-21sshd22:23:080
2711943996229,8cyclictest2755609-21/usr/sbin/munin23:20:240
271194799619,15cyclictest2745405-21apt-get22:25:022
2711943996021,3cyclictest2726901-21diskstats20:35:170
271194399601,3cyclictest0-21swapper/019:55:120
2711943995933,10cyclictest0-21swapper/021:45:120
2711943995930,3cyclictest2728690-21diskstats20:45:190
2711943995921,8cyclictest2760904-21sed23:50:280
2711943995852,4cyclictest0-21swapper/022:35:110
2711943995851,4cyclictest0-21swapper/022:15:110
271194799571,10cyclictest0-21swapper/200:30:192
2711943995751,4cyclictest2718892-21unixbench_singl19:45:280
2711943995729,26cyclictest2766732-21/usr/sbin/munin00:25:290
2711943995728,3cyclictest2753613-21df23:10:170
2711943995621,5cyclictest2731283-21grep21:00:210
2711943995621,5cyclictest2731283-21grep21:00:210
271194399561,9cyclictest1321-21sendmail-mta00:10:300
2711943995616,16cyclictest2711940-21cyclictest23:50:010
2711943995616,16cyclictest2711940-21cyclictest23:50:010
2711943995535,3cyclictest2747253-21sshd22:34:080
2711943995527,3cyclictest2725221-21df_inode20:25:190
2711943995527,3cyclictest2725221-21df_inode20:25:190
2711943995520,9cyclictest2749597-21grep22:45:280
2711943995515,3cyclictest2713234-21apt-get19:15:120
2711947995424,20cyclictest2722330-21gpgv20:10:012
2711943995437,10cyclictest0-21swapper/020:55:130
2711943995424,27cyclictest2767677-21sshd00:31:210
2711943995423,28cyclictest2712165-21/usr/sbin/munin19:10:170
2711943995416,4cyclictest2734290-21users21:15:290
271194399541,48cyclictest2754556-21sh23:15:200
2711943995411,41cyclictest0-21swapper/020:45:010
2711943995333,15cyclictest0-21swapper/019:50:130
2711943995327,20cyclictest0-21swapper/021:40:150
2711947995239,9cyclictest2717252-21sendmail19:40:012
2711947995239,9cyclictest2717252-21sendmail19:40:012
2711943995243,6cyclictest2741170-21munin-plugin-st22:00:000
2711943995226,15cyclictest0-21swapper/021:50:120
2711943995226,15cyclictest0-21swapper/021:50:120
2711943995217,33cyclictest0-21swapper/020:05:210
2711943995214,35cyclictest2716077-21memory19:30:270
2711943995213,36cyclictest2768075-21tune2fs00:35:210
2711943995143,4cyclictest167350irq/118-8000000.ethernet-tx023:40:290
2711943995133,13cyclictest2748882-21/usr/sbin/munin22:40:270
2711943995125,3cyclictest2714296-21fw_packets19:20:220
2711943995124,3cyclictest2724926-21users20:20:290
2711943995119,3cyclictest2742861-21apt22:10:010
2711943995118,30cyclictest2743298-21if_eth022:10:220
2711943995114,30cyclictest2750634-21apt-get22:55:010
271194399501,47cyclictest0-21swapper/023:00:120
271194699497,24cyclictest24-21ksoftirqd/100:30:011
2711943994937,9cyclictest2763460-21sshd00:06:140
2711943994918,23cyclictest2737082-21latency_hist21:35:010
2711943994916,26cyclictest2753443-21latency_hist23:10:010
2711943994916,26cyclictest2753443-21latency_hist23:10:010
2711947994837,7cyclictest0-21swapper/220:00:002
2711943994840,4cyclictest167350irq/118-8000000.ethernet-tx020:10:190
2711943994836,10cyclictest2751330-21/usr/sbin/munin22:55:260
2711943994833,12cyclictest2757015-21/usr/sbin/munin23:30:180
2711943994833,11cyclictest2723895-21/usr/sbin/munin20:15:270
2711943994824,3cyclictest2735177-21apt-get21:25:010
2711943994811,35cyclictest0-21swapper/022:00:210
271194799476,32cyclictest2750802-21rm22:55:012
2711947994730,13cyclictest0-21swapper/222:40:282
271194699475,17cyclictest0-21swapper/120:30:021
271194699475,17cyclictest0-21swapper/120:30:021
2711946994737,5cyclictest0-21swapper/122:05:281
271194399478,36cyclictest2715444-21find19:25:290
2711943994736,9cyclictest131ktimers/019:45:000
2711943994735,8cyclictest2721164-21/usr/sbin/munin20:00:270
2711943994734,9cyclictest2737411-21/usr/sbin/munin21:35:230
2711943994730,14cyclictest2764722-21/usr/sbin/munin00:15:220
2711943994715,6cyclictest2732954-21ssh21:10:200
2711943994712,32cyclictest2735842-21processes21:25:250
2711947994634,8cyclictest2755038-21run-parts23:20:002
2711947994620,12cyclictest311ktimers/222:30:152
2711946994637,6cyclictest231ktimers/120:35:241
2711946994636,6cyclictest2721439-21grep20:00:301
2711943994635,8cyclictest2757948-21/usr/sbin/munin23:35:220
2711943994624,19cyclictest2717085-21basename19:35:280
2711943994624,19cyclictest2717085-21basename19:35:270
2711943994612,28cyclictest0-21swapper/019:10:000
2711947994533,8cyclictest0-21swapper/222:25:282
2711947994530,10cyclictest0-21swapper/219:40:292
2711946994538,4cyclictest2764319-21munin-run00:15:001
2711943994533,9cyclictest2765860-21/usr/sbin/munin00:20:280
2711947994434,6cyclictest0-21swapper/221:10:292
2711947994432,9cyclictest2751573-21sendmail22:59:592
2711947994425,14cyclictest311ktimers/219:15:122
2711946994429,10cyclictest0-21swapper/123:20:181
2711947994331,8cyclictest0-21swapper/221:20:292
2711947994327,10cyclictest0-21swapper/223:35:272
2711946994332,5cyclictest2714697-21grep19:20:291
2711943994332,9cyclictest2732233-21/usr/sbin/munin21:05:220
271194799429,14cyclictest2763681-21/usr/sbin/munin00:10:192
2711947994234,5cyclictest2732635-21munin-plugin-st21:10:002
2711947994228,10cyclictest0-21swapper/221:15:292
2711946994232,6cyclictest2749746-21grep22:45:291
2711946994231,7cyclictest231ktimers/120:10:271
2711946994231,4cyclictest250-21jbd2/mmcblk1p2-822:55:061
2711946994227,8cyclictest0-21swapper/122:50:291
2711947994130,7cyclictest0-21swapper/220:00:292
2711947994125,11cyclictest0-21swapper/221:45:292
2711947994123,10cyclictest0-21swapper/219:10:302
2711946994133,5cyclictest0-21swapper/122:35:281
2711946994133,4cyclictest2717264-21sendmail19:40:011
2711946994133,4cyclictest2717264-21sendmail19:40:001
2711947994026,10cyclictest0-21swapper/220:20:202
2711947994022,13cyclictest311ktimers/222:10:132
2711947994017,17cyclictest311ktimers/200:05:122
2711946994031,7cyclictest51-21kcompactd000:20:181
2711946994025,7cyclictest0-21swapper/120:15:271
271194699402,4cyclictest0-21swapper/100:00:011
2711947993930,5cyclictest0-21swapper/222:45:292
2711947993927,8cyclictest0-21swapper/223:20:242
2711946993931,5cyclictest1660-21snmpd19:40:291
2711946993931,4cyclictest0-21swapper/120:45:291
2711946993928,6cyclictest231ktimers/121:30:161
2711946993927,8cyclictest231ktimers/121:00:121
2711946993927,8cyclictest231ktimers/121:00:111
2711946993926,8cyclictest231ktimers/119:30:121
2711946993926,8cyclictest0-21swapper/122:30:301
2711946993926,7cyclictest0-21swapper/123:10:291
2711946993924,8cyclictest0-21swapper/120:45:021
2711947993831,4cyclictest2716405-21cron19:35:002
2711947993829,6cyclictest0-21swapper/222:00:272
2711947993825,9cyclictest0-21swapper/219:45:292
2711946993829,4cyclictest0-21swapper/121:15:211
2711946993828,6cyclictest2712910-21cut19:15:021
2711946993828,5cyclictest2759163-21grep23:40:281
2711946993827,7cyclictest0-21swapper/123:55:011
2711946993825,9cyclictest0-21swapper/119:15:291
2711946993825,5cyclictest0-21swapper/119:55:291
2711946993824,8cyclictest0-21swapper/120:20:281
2711946993823,8cyclictest0-21swapper/122:00:181
2711947993726,7cyclictest0-21swapper/221:25:262
2711946993728,5cyclictest0-21swapper/121:35:281
2711946993728,5cyclictest0-21swapper/120:55:001
2711947993626,5cyclictest0-21swapper/223:30:282
2711947993624,7cyclictest0-21swapper/219:20:282
2711947993620,12cyclictest311ktimers/223:10:112
271194699369,7cyclictest0-21swapper/123:35:011
2711946993628,5cyclictest2738647-21grep21:45:001
2711946993622,10cyclictest0-21swapper/120:05:281
2711946993621,10cyclictest231ktimers/121:25:231
2711946993620,12cyclictest0-21swapper/119:45:291
271194799358,13cyclictest30-21rcuc/200:30:012
2711947993524,7cyclictest0-21swapper/220:50:282
2711947993523,7cyclictest0-21swapper/223:55:282
2711947993522,8cyclictest0-21swapper/223:40:272
2711946993529,4cyclictest231ktimers/123:10:011
2711946993529,4cyclictest231ktimers/123:10:001
2711946993526,6cyclictest231ktimers/123:15:271
2711946993525,6cyclictest231ktimers/121:25:001
2711947993424,8cyclictest0-21swapper/221:40:002
2711947993424,7cyclictest0-21swapper/219:25:282
2711947993424,6cyclictest0-21swapper/222:35:242
2711947993423,6cyclictest0-21swapper/220:55:302
2711947993421,8cyclictest0-21swapper/221:50:292
2711947993421,8cyclictest0-21swapper/221:50:292
2711946993427,4cyclictest231ktimers/123:35:131
2711946993426,4cyclictest0-21swapper/121:10:001
2711946993425,5cyclictest0-21swapper/122:30:001
271194799335,10cyclictest2728326-21apt-get20:45:012
2711947993324,5cyclictest47-21kauditd21:45:012
2711947993322,8cyclictest2765077-21grep00:15:282
2711947993322,7cyclictest0-21swapper/220:40:282
2711947993321,7cyclictest0-21swapper/220:25:302
2711947993321,7cyclictest0-21swapper/220:25:302
2711947993319,8cyclictest0-21swapper/221:00:292
2711947993319,8cyclictest0-21swapper/221:00:292
271194699338,14cyclictest2767059-21/usr/sbin/munin00:30:191
271194699334,15cyclictest2743904-21/usr/sbin/munin22:15:191
2711946993326,5cyclictest231ktimers/100:00:191
2711946993326,5cyclictest14-21rcu_preempt22:10:191
2711946993326,4cyclictest14-21rcu_preempt21:10:241
2711946993325,5cyclictest22-21rcuc/123:45:141
2711946993325,5cyclictest22-21rcuc/123:45:141
2711946993324,7cyclictest231ktimers/122:40:171
2711946993324,6cyclictest231ktimers/122:20:111
2711946993323,7cyclictest231ktimers/121:50:141
2711946993323,7cyclictest231ktimers/121:50:141
2711946993323,5cyclictest0-21swapper/120:55:171
2711946993322,5cyclictest231ktimers/123:25:291
2711946993320,6cyclictest22-21rcuc/123:05:021
2711947993223,6cyclictest2725991-21/usr/sbin/munin20:30:242
2711947993210,9cyclictest2722612-21/usr/sbin/munin20:10:192
271194699326,24cyclictest0-21swapper/119:25:261
2711946993224,5cyclictest14-21rcu_preempt00:15:281
2711947993122,7cyclictest2742224-21/usr/sbin/munin22:05:282
2711947993121,5cyclictest0-21swapper/222:15:242
2711947993118,9cyclictest0-21swapper/223:25:292
2711947993118,7cyclictest30-21rcuc/200:20:292
2711947993118,7cyclictest0-21swapper/221:30:292
2711947993115,11cyclictest311ktimers/200:35:122
271194799311,27cyclictest1660-21snmpd23:07:002
271194799311,27cyclictest1660-21snmpd23:07:002
2711946993125,4cyclictest14-21rcu_preempt20:30:221
2711946993121,7cyclictest22-21rcuc/121:55:271
2711946993119,8cyclictest231ktimers/100:05:151
2711947993020,5cyclictest0-21swapper/223:45:282
2711947993020,5cyclictest0-21swapper/223:45:282
2711947993019,7cyclictest0-21swapper/223:50:282
2711946993020,7cyclictest231ktimers/100:35:161
2711947992919,6cyclictest0-21swapper/219:50:292
2711947992918,7cyclictest0-21swapper/223:00:282
2711947992917,8cyclictest30-21rcuc/220:15:172
271194799281,4cyclictest0-21swapper/220:40:012
2711946992821,5cyclictest231ktimers/119:10:011
2711946992819,6cyclictest22-21rcuc/121:50:001
2711946992818,4cyclictest22-21rcuc/119:55:021
2711947992715,8cyclictest0-21swapper/221:55:272
2711947992618,6cyclictest311ktimers/200:00:182
2711947992212,4cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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