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2026-02-24 - 00:03
[ 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 Mon Feb 23, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3390033998073,5cyclictest231ktimers/110:50:011
339003399807,20cyclictest3402312-21/usr/sbin/munin08:20:191
3390031998043,33cyclictest3402868-21grep08:20:280
339003199711,9cyclictest3426248-21apt-key10:40:000
3390033996913,15cyclictest3412535-21/usr/sbin/munin09:20:201
3390031996943,21cyclictest20650irq/252-8000000.ethernet09:30:140
339003599683,30cyclictest0-21swapper/211:25:012
3390031996638,23cyclictest20850irq/208-8000000.ethernet09:00:010
3390031996539,20cyclictest3399109-21cut08:00:220
3390031996444,15cyclictest0-21swapper/010:30:280
339003199633,6cyclictest0-21swapper/007:40:270
3390031996334,26cyclictest3415895-21grep09:40:010
339003199632,58cyclictest3401603-21tune2fs08:15:200
3390031996324,35cyclictest0-21swapper/007:10:290
3390033996226,19cyclictest3444401-21/usr/sbin/munin12:25:171
3390031996239,19cyclictest20650irq/252-8000000.ethernet10:55:000
339003199623,5cyclictest0-21swapper/007:50:020
3390031996226,30cyclictest3411641-21grep09:15:010
339003199614,53cyclictest3441579-21grep12:05:300
3390031996119,38cyclictest0-21swapper/009:55:290
339003199611,58cyclictest0-21swapper/012:25:010
3390031996031,24cyclictest20650irq/252-8000000.ethernet07:15:300
3390031996023,33cyclictest3443284-21grep12:15:300
339003199599,5cyclictest131ktimers/011:05:230
339003199599,5cyclictest131ktimers/011:05:230
3390031995929,25cyclictest0-21swapper/011:55:210
339003199591,55cyclictest3434563-21meminfo11:25:230
339003199583,12cyclictest3438811-21phc2sys11:50:260
3390031995830,25cyclictest3422578-21mailstats10:15:280
3390031995830,23cyclictest20650irq/252-8000000.ethernet08:40:170
3390031995820,33cyclictest0-21swapper/007:25:300
339003199574,8cyclictest3401164-21grep08:10:280
339003199574,8cyclictest3401164-21grep08:10:270
3390031995725,28cyclictest3436242-21meminfo11:35:240
3390031995721,29cyclictest0-21swapper/009:45:010
339003199571,53cyclictest3435470-21ps11:30:260
339003399569,20cyclictest3429104-21/usr/sbin/munin10:55:211
339003399569,20cyclictest3429104-21/usr/sbin/munin10:55:211
339003199564,7cyclictest3421839-21grep10:10:280
3390031995630,23cyclictest20650irq/252-8000000.ethernet11:40:280
339003199562,7cyclictest3440705-21grep12:00:280
3390031995539,12cyclictest20650irq/252-8000000.ethernet08:50:200
3390031995539,12cyclictest20650irq/252-8000000.ethernet08:50:200
339003199552,7cyclictest3433961-21unixbench_multi11:20:270
3390031995524,26cyclictest0-21swapper/007:55:170
3390031995524,26cyclictest0-21swapper/007:55:170
3390031995522,31cyclictest0-21swapper/009:50:170
3390031995522,31cyclictest0-21swapper/009:50:170
3390031995519,30cyclictest0-21swapper/007:35:280
3390035995440,4cyclictest0-21swapper/212:00:182
339003199544,9cyclictest3394383-21tail07:30:270
339003199544,9cyclictest3394383-21tail07:30:270
3390031995446,4cyclictest167350irq/118-8000000.ethernet-tx007:50:190
339003199543,47cyclictest3426616-21/usr/sbin/munin10:40:220
3390031995428,22cyclictest3404529-21grep08:30:290
339003199542,46cyclictest3438218-21grep11:45:280
339003199541,3cyclictest0-21swapper/010:25:130
3390033995342,6cyclictest3423495-21grep10:20:311
339003199534,11cyclictest3433117-21grep11:15:280
339003199533,9cyclictest3409688-21grep09:00:290
339003199533,10cyclictest3444978-21grep12:25:270
3390031995328,21cyclictest20650irq/252-8000000.ethernet09:45:270
3390033995234,10cyclictest14-21rcu_preempt11:15:191
3390031995231,18cyclictest20650irq/252-8000000.ethernet09:20:300
339003199522,9cyclictest3429737-21cron11:00:000
339003199522,9cyclictest3429737-21cron10:59:590
339003199522,6cyclictest3446005-21cat12:35:010
3390031995215,33cyclictest0-21swapper/010:10:010
3390031995215,29cyclictest3371253-1kworker/0:1H+kblockd07:10:020
339003199513,7cyclictest3413468-21fschecks_count09:25:180
339003199512,8cyclictest3420241-21latency_hist10:05:010
339003199512,46cyclictest3429742-21apt-get11:00:050
3390031995121,24cyclictest0-21swapper/009:05:290
339003199511,9cyclictest3407181-21/usr/sbin/munin08:45:270
339003199511,8cyclictest3432317-21grep11:10:290
3390031995111,36cyclictest0-21swapper/008:25:270
339003199503,10cyclictest3427613-21sed10:45:230
339003199502,9cyclictest3423474-21grep10:20:310
3390031995025,22cyclictest0-21swapper/008:40:010
3390031995025,22cyclictest0-21swapper/008:40:010
339003199501,5cyclictest3412290-21/usr/sbin/munin09:15:290
3390031994918,27cyclictest0-21swapper/008:05:290
3390031994915,29cyclictest3442437-21grep12:10:280
3390035994839,5cyclictest311ktimers/207:40:282
339003199482,6cyclictest3446220-21cut12:35:200
3390035994734,8cyclictest0-21swapper/209:40:012
339003199472,9cyclictest3392546-21proc_pri07:20:270
339003599464,22cyclictest3431727-21/usr/sbin/munin11:10:192
3390035994636,5cyclictest3403795-21munin-plugin-st08:30:002
339003399466,18cyclictest3427046-21apt-get10:45:011
3390033994627,12cyclictest231ktimers/110:10:111
3390035994530,9cyclictest3405562-21apt08:40:002
3390035994530,9cyclictest3405562-21apt08:40:002
339003399457,17cyclictest22-21rcuc/107:15:011
3390033994533,3cyclictest0-21swapper/111:10:011
3390033994533,3cyclictest0-21swapper/111:10:011
3390035994430,9cyclictest3438282-21munin-plugin-st11:50:002
3390035994429,7cyclictest0-21swapper/209:40:292
3390035994421,11cyclictest311ktimers/211:15:132
339003599432,24cyclictest0-21swapper/210:05:012
3390033994329,10cyclictest0-21swapper/111:30:281
3390033994319,17cyclictest231ktimers/107:30:121
3390033994319,17cyclictest231ktimers/107:30:121
3390035994233,5cyclictest3390027-21cyclictest11:40:282
3390035994224,12cyclictest3404580-21grep08:30:292
3390035994224,10cyclictest0-21swapper/208:40:292
3390035994214,2cyclictest0-21swapper/207:25:282
3390033994131,5cyclictest0-21swapper/108:50:291
3390033994131,5cyclictest0-21swapper/108:50:291
3390035994027,9cyclictest3414965-21latency_hist09:35:012
3390033994032,4cyclictest0-21swapper/110:30:281
3390033994022,10cyclictest0-21swapper/109:55:251
339003599394,17cyclictest32-21ksoftirqd/208:20:012
3390035993932,3cyclictest3446711-21cron12:40:012
3390035993930,4cyclictest0-21swapper/208:05:192
3390035993925,10cyclictest311ktimers/208:55:152
339003399399,16cyclictest22-21rcuc/107:10:011
3390033993929,5cyclictest0-21swapper/111:55:221
3390033993927,7cyclictest3395341-21munin-plugin-st07:40:001
3390033993922,10cyclictest0-21swapper/111:40:281
3390035993832,4cyclictest30-21rcuc/211:30:172
3390035993830,4cyclictest0-21swapper/208:20:002
3390035993828,7cyclictest0-21swapper/209:50:282
3390035993828,7cyclictest0-21swapper/209:50:272
3390035993827,5cyclictest311ktimers/207:50:282
3390035993813,11cyclictest3426203-21cat10:40:002
3390033993829,5cyclictest0-21swapper/108:40:291
3390033993827,5cyclictest3392751-21grep07:20:281
3390033993825,7cyclictest0-21swapper/109:35:441
339003399381,2cyclictest0-21swapper/112:15:011
3390035993728,5cyclictest0-21swapper/208:10:292
3390035993728,5cyclictest0-21swapper/208:10:292
3390035993727,4cyclictest0-21swapper/208:05:002
3390035993725,8cyclictest3439965-21sendmail12:00:002
3390035993724,8cyclictest0-21swapper/210:20:312
3390035993722,9cyclictest311ktimers/209:25:262
3390035993722,8cyclictest0-21swapper/212:15:292
3390035993713,13cyclictest311ktimers/208:50:132
3390035993713,13cyclictest311ktimers/208:50:132
339003399379,11cyclictest3435942-21/usr/sbin/munin11:35:191
3390033993730,4cyclictest167450irq/126-8000000.ethernet-tx108:55:131
3390033993724,8cyclictest3420087-21grep10:00:281
3390033993724,8cyclictest0-21swapper/108:45:281
3390033993723,8cyclictest0-21swapper/112:30:221
3390033993723,8cyclictest0-21swapper/109:50:281
3390033993723,8cyclictest0-21swapper/109:50:281
339003399371,7cyclictest0-21swapper/110:30:011
339003399371,30cyclictest3399770-21/usr/sbin/munin08:05:211
3390035993627,5cyclictest0-21swapper/210:55:302
3390035993627,5cyclictest0-21swapper/210:55:302
3390035993627,5cyclictest0-21swapper/209:15:292
3390035993626,6cyclictest0-21swapper/212:05:302
3390035993623,8cyclictest311ktimers/209:45:122
339003599361,29cyclictest3438480-21/usr/sbin/munin11:50:282
339003399365,7cyclictest0-21swapper/109:35:021
3390033993630,3cyclictest3420395-21/usr/sbin/munin10:05:191
3390033993627,6cyclictest0-21swapper/107:50:211
3390033993623,8cyclictest0-21swapper/110:45:281
3390033993622,5cyclictest0-21swapper/107:40:211
3390033993621,11cyclictest0-21swapper/107:30:001
3390033993617,14cyclictest231ktimers/109:15:111
339003399361,30cyclictest0-21swapper/111:45:261
3390035993527,5cyclictest311ktimers/209:00:252
3390035993526,5cyclictest311ktimers/209:05:282
3390035993522,6cyclictest3428772-21grep10:50:282
3390033993525,7cyclictest1653-21lldpd09:45:131
3390033993525,5cyclictest0-21swapper/109:05:271
3390033993524,7cyclictest0-21swapper/112:15:291
3390033993522,9cyclictest0-21swapper/108:30:201
3390033993522,5cyclictest0-21swapper/109:10:261
3390033993518,8cyclictest0-21swapper/111:20:261
3390035993429,3cyclictest30-21rcuc/211:05:202
3390035993429,3cyclictest30-21rcuc/211:05:202
3390035993425,5cyclictest311ktimers/210:30:202
3390035993425,5cyclictest0-21swapper/210:45:012
3390035993422,6cyclictest311ktimers/209:55:252
3390033993425,4cyclictest0-21swapper/112:05:211
3390033993425,4cyclictest0-21swapper/109:05:001
339003399341,27cyclictest0-21swapper/112:35:271
339003399341,27cyclictest0-21swapper/111:25:181
3390035993325,5cyclictest3413176-21grep09:25:002
3390035993325,5cyclictest311ktimers/209:10:282
3390035993323,5cyclictest0-21swapper/212:25:092
3390035993322,8cyclictest311ktimers/207:15:152
339003599331,26cyclictest0-21swapper/210:10:162
339003399333,2cyclictest0-21swapper/107:50:011
3390033993322,6cyclictest0-21swapper/108:35:221
3390033993322,6cyclictest0-21swapper/108:35:211
339003399331,27cyclictest3401964-21find08:15:271
3390035993226,3cyclictest2-21kthreadd08:46:212
3390035993225,5cyclictest311ktimers/210:20:002
3390035993224,5cyclictest0-21swapper/211:00:272
3390035993223,5cyclictest0-21swapper/212:20:202
3390035993222,6cyclictest30-21rcuc/207:30:142
3390035993222,6cyclictest30-21rcuc/207:30:142
3390035993220,7cyclictest311ktimers/212:30:152
3390035993220,7cyclictest311ktimers/210:45:042
3390033993227,3cyclictest0-21swapper/110:35:141
3390033993222,7cyclictest3416615-21grep09:40:291
3390033993221,6cyclictest22-21rcuc/109:25:271
3390033993220,9cyclictest0-21swapper/107:55:201
3390033993220,9cyclictest0-21swapper/107:55:191
339003399321,26cyclictest0-21swapper/112:20:271
3390035993121,6cyclictest30-21rcuc/207:55:182
3390035993121,6cyclictest30-21rcuc/207:55:172
3390035993120,7cyclictest30-21rcuc/207:35:232
3390035993118,6cyclictest311ktimers/207:10:112
3390035993117,9cyclictest0-21swapper/207:45:192
339003599311,24cyclictest3392179-21/usr/sbin/munin07:20:272
3390033993124,3cyclictest0-21swapper/108:10:231
3390033993124,3cyclictest0-21swapper/108:10:231
3390033993122,5cyclictest0-21swapper/107:15:041
339003399311,2cyclictest0-21swapper/108:30:021
3390035993022,5cyclictest30-21rcuc/210:10:002
3390035993021,5cyclictest311ktimers/211:25:192
3390035993018,8cyclictest0-21swapper/212:10:212
3390033992921,4cyclictest0-21swapper/108:05:001
3390033992917,8cyclictest3439123-21munin-plugin-st11:55:001
339003599286,9cyclictest30-21rcuc/207:10:012
3390035992823,3cyclictest14-21rcu_preempt11:35:172
3390033992824,2cyclictest34306681dropbear11:01:161
3390033992822,4cyclictest0-21swapper/111:12:441
3390033992817,8cyclictest0-21swapper/110:15:261
339003399271,2cyclictest0-21swapper/112:05:011
339003599261,4cyclictest0-21swapper/210:29:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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