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2026-03-04 - 08:06
[ 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 Mar 04, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
250349899771,32cyclictest0-21swapper/222:05:012
250349499692,22cyclictest0-21swapper/000:25:020
250349499691,41cyclictest0-21swapper/021:20:010
2503498996812,22cyclictest2507319-21/usr/sbin/munin19:30:202
250349899652,28cyclictest0-21swapper/222:25:012
2503497996210,34cyclictest24-21ksoftirqd/122:55:191
2503497996210,34cyclictest24-21ksoftirqd/122:55:181
2503497996142,12cyclictest231ktimers/123:00:161
250349799579,17cyclictest22-21rcuc/122:25:011
250349499574,27cyclictest0-21swapper/020:50:010
2503494995727,4cyclictest2556854-21apt-get00:20:120
2503494995721,3cyclictest2527245-21/usr/sbin/munin21:25:240
2503494995619,3cyclictest2529543-21diskstats21:40:190
250349499552,48cyclictest2543857-21sed23:00:290
2503494995520,4cyclictest2504882-21sh19:15:190
2503494995516,36cyclictest2509577-21grep19:40:260
2503497995445,5cyclictest2515745-21sendmail20:20:001
2503494995421,29cyclictest2506200-21grep19:20:280
2503494995310,37cyclictest0-21swapper/019:15:020
2503494995234,15cyclictest167350irq/118-8000000.ethernet-tx022:30:140
250349499517,40cyclictest2522534-21latency_hist21:00:010
2503494995143,5cyclictest2559982-21grep00:35:280
2503494995143,3cyclictest0-21swapper/020:00:120
2503494995115,8cyclictest2555029-21latency_hist00:10:010
2503494995110,37cyclictest0-21swapper/019:55:270
2503494995110,37cyclictest0-21swapper/019:55:270
2503498995034,7cyclictest0-21swapper/222:35:012
2503494995043,4cyclictest167350irq/118-8000000.ethernet-tx022:15:230
2503494995043,4cyclictest167350irq/118-8000000.ethernet-tx021:35:200
2503494995023,3cyclictest2556065-21diskstats00:15:190
2503494995023,3cyclictest2556065-21diskstats00:15:190
2503494995022,3cyclictest2555451-21meminfo00:10:240
2503494995011,35cyclictest2547578-21fschecks_count23:25:200
250349499498,9cyclictest2540563-21sort22:45:010
2503494994922,3cyclictest2542162-21users22:50:280
2503494994921,3cyclictest2530472-21diskstats21:45:180
2503494994919,27cyclictest2527929-21fschecks_time21:30:200
2503494994914,32cyclictest2546417-21sendmail23:20:000
2503497994819,8cyclictest2509019-21/usr/sbin/munin19:40:181
2503494994830,14cyclictest0-21swapper/022:45:120
2503494994817,29cyclictest0-21swapper/023:40:170
2503494994814,30cyclictest2524053-21grep21:05:280
2503498994732,10cyclictest0-21swapper/219:15:022
2503497994739,4cyclictest2559188-21munin-plugin-st00:35:001
2503497994739,4cyclictest2559188-21munin-plugin-st00:35:001
250349499476,13cyclictest2510663-21apt-key19:50:010
2503494994739,4cyclictest23850irq/422-mmc123:40:020
2503494994730,13cyclictest0-21swapper/023:05:110
2503494994715,30cyclictest0-21swapper/020:05:180
2503498994636,7cyclictest2531881-21munin-plugin-st21:55:002
2503498994636,7cyclictest2531881-21munin-plugin-st21:55:002
2503498994635,6cyclictest0-21swapper/223:35:002
250349899461,31cyclictest0-21swapper/222:50:282
250349499468,35cyclictest0-21swapper/021:10:270
250349499468,10cyclictest2517819-21fschecks_time20:30:220
250349499468,10cyclictest2517819-21fschecks_time20:30:220
2503494994640,3cyclictest20650irq/252-8000000.ethernet20:35:270
250349499463,36cyclictest2515624-21grep20:15:290
2503494994632,9cyclictest0-21swapper/019:50:120
2503494994618,26cyclictest2537891-21gpgv22:30:010
2503494994618,26cyclictest2537891-21gpgv22:30:000
250349499461,43cyclictest0-21swapper/022:05:160
250349499461,41cyclictest0-21swapper/019:25:290
2503494994612,32cyclictest2552928-21open_inodes23:55:270
2503498994533,8cyclictest2524929-21unixbench_multi21:10:282
250349899453,29cyclictest2544090-21/usr/sbin/munin23:05:172
250349499459,29cyclictest0-21swapper/023:35:010
2503494994526,13cyclictest2519512-21/usr/sbin/munin20:40:210
2503494994523,17cyclictest0-21swapper/022:20:130
2503494994517,3cyclictest2516013-21df20:20:140
2503494994516,4cyclictest2547461-21cut23:25:010
2503494994512,30cyclictest2532521-21rt-features21:55:270
2503498994432,7cyclictest0-21swapper/221:55:282
2503497994429,10cyclictest231ktimers/121:35:121
2503497994429,10cyclictest0-21swapper/120:10:211
250349799442,34cyclictest2530020-21grep21:40:291
2503494994428,11cyclictest0-21swapper/021:50:130
2503494994428,11cyclictest0-21swapper/021:50:130
2503494994426,13cyclictest2558778-21/usr/sbin/munin00:30:220
2503494994426,13cyclictest2558778-21/usr/sbin/munin00:30:220
2503494994425,12cyclictest0-21swapper/023:50:140
2503494994425,12cyclictest0-21swapper/023:50:130
2503498994331,7cyclictest0-21swapper/222:30:012
2503498994331,7cyclictest0-21swapper/222:30:012
2503498994330,8cyclictest0-21swapper/223:35:282
2503498994317,13cyclictest14-21rcu_preempt20:20:012
2503497994332,7cyclictest2513092-21head20:00:291
250349799431,8cyclictest0-21swapper/120:00:011
250349799431,8cyclictest0-21swapper/120:00:011
2503494994337,3cyclictest2517047-21/usr/sbin/munin20:25:220
2503494994334,5cyclictest2539014-21apt-get22:35:100
2503494994328,9cyclictest2545261-21cut23:10:230
2503494994317,3cyclictest2553539-21df_inode00:00:170
2503494994317,23cyclictest2525431-21perl21:15:220
250349499431,5cyclictest0-21swapper/019:10:010
2503494994315,3cyclictest2534764-21df22:10:160
2503498994230,4cyclictest167550irq/134-8000000.ethernet-tx219:45:302
2503498994229,10cyclictest311ktimers/220:35:112
2503497994226,10cyclictest0-21swapper/119:15:021
2503497994221,17cyclictest231ktimers/123:45:131
2503494994233,6cyclictest2522713-21/usr/sbin/munin21:00:110
2503494994230,9cyclictest2547275-21munin-plugin-st23:25:000
250349499421,5cyclictest2514621-21proc_pri20:10:270
2503498994128,10cyclictest0-21swapper/219:20:002
2503498994122,9cyclictest0-21swapper/220:20:272
2503497994128,9cyclictest231ktimers/123:20:111
2503497994128,9cyclictest231ktimers/123:20:111
2503497994128,7cyclictest2530994-21grep21:45:281
2503494994132,4cyclictest2521312-21meminfo20:50:230
2503494994128,10cyclictest0-21swapper/022:55:140
2503494994128,10cyclictest0-21swapper/022:55:140
2503494994123,15cyclictest2508236-21/usr/sbin/munin19:35:180
250349499411,5cyclictest2507620-21memory19:30:260
2503498994030,7cyclictest2539666-21sendmail22:40:002
2503498994028,7cyclictest0-21swapper/222:10:282
2503498994026,13cyclictest311ktimers/220:00:192
250349799405,23cyclictest22-21rcuc/119:50:011
2503497994025,11cyclictest231ktimers/121:20:131
250349799401,2cyclictest0-21swapper/100:25:001
2503494994031,6cyclictest0-21swapper/023:45:270
2503498993929,5cyclictest2551587-21latency_hist23:50:002
2503498993922,9cyclictest2519891-21grep20:40:282
2503498993922,9cyclictest0-21swapper/221:40:212
2503498993919,11cyclictest2560019-21cron00:40:002
250349899391,2cyclictest0-21swapper/221:15:192
2503497993929,6cyclictest0-21swapper/121:00:281
2503497993927,7cyclictest0-21swapper/121:50:271
2503497993927,7cyclictest0-21swapper/121:50:271
2503497993924,10cyclictest0-21swapper/120:35:011
2503497993924,10cyclictest0-21swapper/120:35:011
2503497993920,12cyclictest0-21swapper/121:55:211
2503498993820,11cyclictest2553259-21sendmail23:59:592
2503498993819,11cyclictest311ktimers/219:55:012
2503497993822,10cyclictest0-21swapper/123:10:181
2503497993818,10cyclictest0-21swapper/123:05:191
2503498993728,4cyclictest167550irq/134-8000000.ethernet-tx221:25:282
2503498993725,8cyclictest0-21swapper/221:45:272
2503498993724,8cyclictest0-21swapper/219:40:272
250349899371,4cyclictest2554598-21kernelversion00:05:242
250349799375,19cyclictest2559385-21/usr/sbin/munin00:35:181
2503497993725,8cyclictest0-21swapper/122:05:301
2503497993725,7cyclictest0-21swapper/122:30:011
2503497993725,7cyclictest0-21swapper/122:30:011
2503497993722,10cyclictest2527537-21grep21:25:271
2503494993725,8cyclictest0-21swapper/022:00:140
2503498993625,6cyclictest2528303-21grep21:30:282
2503497993628,4cyclictest0-21swapper/120:55:271
2503497993626,7cyclictest0-21swapper/123:30:281
2503497993626,5cyclictest0-21swapper/122:50:281
2503497993624,5cyclictest0-21swapper/123:50:271
2503497993624,5cyclictest0-21swapper/123:50:271
2503497993623,8cyclictest0-21swapper/120:50:261
2503497993622,9cyclictest0-21swapper/119:20:261
2503498993528,4cyclictest167550irq/134-8000000.ethernet-tx220:45:222
2503498993522,7cyclictest0-21swapper/223:20:292
2503498993522,7cyclictest0-21swapper/223:20:282
2503498993521,10cyclictest0-21swapper/200:15:262
2503498993521,10cyclictest0-21swapper/200:15:262
2503498993519,13cyclictest0-21swapper/223:40:292
250349799353,2cyclictest0-21swapper/120:30:011
2503497993524,6cyclictest0-21swapper/121:10:201
2503497993523,7cyclictest0-21swapper/122:40:281
2503497993523,6cyclictest0-21swapper/120:10:011
2503497993521,9cyclictest231ktimers/123:40:051
2503498993425,4cyclictest0-21swapper/219:20:272
2503498993421,7cyclictest0-21swapper/200:25:282
2503497993422,8cyclictest0-21swapper/122:30:261
2503497993422,8cyclictest0-21swapper/121:35:001
2503497993422,7cyclictest0-21swapper/120:20:271
2503497993421,7cyclictest0-21swapper/120:35:281
2503498993325,4cyclictest167550irq/134-8000000.ethernet-tx220:25:222
2503498993325,4cyclictest0-21swapper/221:20:292
2503498993322,7cyclictest2541297-21grep22:45:282
2503498993321,9cyclictest0-21swapper/222:00:282
2503498993320,6cyclictest2553745-21kernelversion00:00:232
2503498993318,9cyclictest0-21swapper/220:05:202
2503497993326,4cyclictest2506896-21ptp4l19:25:261
2503497993326,4cyclictest0-21swapper/122:45:281
2503497993322,7cyclictest0-21swapper/120:40:201
2503497993318,11cyclictest231ktimers/122:15:111
2503498993224,5cyclictest0-21swapper/200:30:192
2503498993224,5cyclictest0-21swapper/200:30:192
2503498993224,4cyclictest30-21rcuc/220:30:202
2503498993224,4cyclictest30-21rcuc/220:30:202
2503498993224,4cyclictest0-21swapper/223:25:272
2503498993221,8cyclictest0-21swapper/221:05:192
2503498993218,10cyclictest0-21swapper/221:00:012
2503497993222,7cyclictest0-21swapper/123:15:271
2503498993124,4cyclictest167550irq/134-8000000.ethernet-tx223:10:262
2503498993122,5cyclictest0-21swapper/222:15:252
2503498993121,6cyclictest0-21swapper/222:55:192
2503498993121,6cyclictest0-21swapper/222:55:192
2503498993115,11cyclictest0-21swapper/200:20:262
2503497993119,9cyclictest231ktimers/123:35:121
2503497993115,12cyclictest0-21swapper/100:05:281
2503497993112,4cyclictest8321systemd-network19:39:271
2503497993112,4cyclictest8321systemd-network00:16:191
2503497993112,4cyclictest8321systemd-network00:16:181
2503497993112,10cyclictest2525231-21/usr/sbin/munin21:15:191
2503497993110,13cyclictest231ktimers/122:10:111
2503498993020,5cyclictest0-21swapper/219:10:012
2503497993021,5cyclictest0-21swapper/100:10:191
250349799301,4cyclictest0-21swapper/122:40:011
2503498992921,5cyclictest311ktimers/222:40:262
2503498992919,7cyclictest0-21swapper/220:50:262
2503498992918,6cyclictest0-21swapper/200:10:282
250349899291,4cyclictest0-21swapper/219:25:162
2503497992922,4cyclictest0-21swapper/122:00:231
2503497992919,5cyclictest0-21swapper/119:35:011
2503498992821,4cyclictest0-21swapper/220:10:262
2503497992819,7cyclictest1660-21snmpd19:51:021
2503497992818,5cyclictest0-21swapper/121:05:271
2503497992816,8cyclictest0-21swapper/100:00:281
250349799281,3cyclictest2547475-21apt-get23:25:131
2503497992813,9cyclictest0-21swapper/123:55:221
250349799281,25cyclictest0-21swapper/100:25:201
2503498992720,3cyclictest2543890-21munin-plugin-st23:05:002
2503498992718,7cyclictest0-21swapper/221:00:282
250349899271,24cyclictest0-21swapper/223:50:312
250349899271,24cyclictest0-21swapper/223:50:312
2503498992617,7cyclictest0-21swapper/219:35:202
250349899261,23cyclictest2583769-1kworker/2:0H+kblockd19:57:312
250349899261,23cyclictest2583769-1kworker/2:0H+kblockd19:57:302
250349799264,19cyclictest22-21rcuc/119:15:191
2503498992519,4cyclictest0-21swapper/221:36:322
2503498992514,7cyclictest0-21swapper/223:15:162
2503497992518,5cyclictest0-21swapper/119:10:011
2503497992415,7cyclictest231ktimers/120:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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