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2026-01-16 - 14:15
[ 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 #4, slot #1

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack4slot1s.osadl.org (updated Fri Jan 16, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1734021110,3chrt17344-21cpuspeed09:30:441
1734021110,3chrt17344-21cpuspeed09:30:441
1734021110,3chrt17344-21cpuspeed09:30:441
147122990,3chrt0-21swapper/312:20:393
147122990,3chrt0-21swapper/312:20:393
136432950,2sleep30-21swapper/309:20:453
36362930,3sleep10-21swapper/107:25:491
36362930,3sleep10-21swapper/107:25:491
155862910,3chrt0-21swapper/309:25:473
155862910,3chrt0-21swapper/309:25:473
92662800,2chrt9264-21ntpq07:40:520
92662800,2chrt9264-21ntpq07:40:520
66342790,3sleep10-21swapper/109:00:491
185682790,3sleep20-21swapper/208:05:502
185682790,3sleep20-21swapper/208:05:502
137252780,2chrt0-21swapper/110:45:531
19972750,3sleep10-21swapper/111:45:471
19972750,3sleep10-21swapper/111:45:471
309562710,14sleep00-21swapper/010:05:490
309562710,14sleep00-21swapper/010:05:490
109262710,1chrt0-21swapper/107:45:471
109262710,1chrt0-21swapper/107:45:471
119552670,3chrt0-21swapper/310:40:533
119552670,3chrt0-21swapper/310:40:533
204662650,3chrt0-21swapper/108:10:521
204662650,3chrt0-21swapper/108:10:521
317482610,2sleep30-21swapper/308:40:533
317482610,2sleep30-21swapper/308:40:533
139352590,3sleep30-21swapper/310:45:553
77222580,3chrt0-21swapper/309:05:333
74962530,3chrt0-21swapper/307:35:523
74962530,3chrt0-21swapper/307:35:523
74962530,3chrt0-21swapper/307:35:523
224012510,1sleep30-21swapper/312:40:453
178852480,3sleep20-21swapper/210:55:552
178852480,3sleep20-21swapper/210:55:552
270522460,3chrt0-21swapper/311:25:433
41412450,1sleep3431rcuc/308:55:403
41412450,1sleep3431rcuc/308:55:403
30033994317,24cyclictest25799-21timerandwakeup09:50:541
30033994317,24cyclictest25799-21timerandwakeup09:50:541
160552430,2sleep30-21swapper/308:00:453
78362420,3sleep30-21swapper/310:30:483
133622400,2sleep10-21swapper/112:15:461
133622400,2sleep10-21swapper/112:15:461
57852380,2sleep10-21swapper/107:30:571
57852380,2sleep10-21swapper/107:30:571
3003399381,7cyclictest1490-21cron10:15:341
3003399381,7cyclictest1490-21cron10:15:341
3003399381,10cyclictest7106-21latency_hist12:00:381
3003399381,10cyclictest7106-21latency_hist12:00:381
162772380,2chrt16276-21perl08:00:471
162772380,2chrt16276-21perl08:00:471
30033993717,18cyclictest533-21fschecks_count08:45:461
30033993717,18cyclictest533-21fschecks_count08:45:461
30033993716,18cyclictest0-21swapper/108:20:361
30033993716,18cyclictest0-21swapper/108:20:361
30033993712,23cyclictest0-21swapper/111:00:341
30033993712,23cyclictest0-21swapper/111:00:341
3003399371,11cyclictest30175-21latency_hist10:05:341
3003399371,11cyclictest30175-21latency_hist10:05:341
3003399371,10cyclictest18394-21cat12:30:361
3003399371,10cyclictest18394-21cat12:30:361
187922370,3sleep10-21swapper/108:05:531
187922370,3sleep10-21swapper/108:05:531
3003399367,6cyclictest15720-21expr09:25:481
3003399367,6cyclictest15720-21expr09:25:481
3003399361,11cyclictest749-21runrttasks09:11:401
3003399361,11cyclictest749-21runrttasks09:11:401
3003399361,11cyclictest7187-21latency_hist10:30:371
3003399361,11cyclictest7187-21latency_hist10:30:371
3003399361,11cyclictest1024-21/usr/sbin/munin07:20:451
3003399361,11cyclictest1024-21/usr/sbin/munin07:20:451
3003399361,10cyclictest9202-21/usr/sbin/munin10:35:541
3003399361,10cyclictest9202-21/usr/sbin/munin10:35:541
3003399361,10cyclictest27202-21/usr/sbin/munin08:30:481
30031993630,4cyclictest749-21runrttasks11:10:000
30031993630,4cyclictest749-21runrttasks11:10:000
320652350,3sleep30-21swapper/311:40:353
320652350,3sleep30-21swapper/311:40:353
3003399351,8cyclictest601-21snmpd07:40:231
3003399351,8cyclictest601-21snmpd07:40:231
3003399351,8cyclictest601-21snmpd07:40:231
3003399351,8cyclictest32505-21sshd08:44:301
3003399351,8cyclictest32505-21sshd08:44:301
3003399351,8cyclictest15836-21grep08:00:371
3003399351,8cyclictest15836-21grep08:00:371
30033993515,18cyclictest0-21swapper/111:25:421
30033993515,18cyclictest0-21swapper/111:25:421
3003399351,11cyclictest3570-21/usr/sbin/munin10:20:511
3003399351,11cyclictest3570-21/usr/sbin/munin10:20:511
3003399351,10cyclictest9378-21gunzip07:40:541
3003399351,10cyclictest9378-21gunzip07:40:541
3003399351,10cyclictest22562-21perl11:10:471
3003399351,10cyclictest13108-21grep07:50:531
30033993429,3cyclictest32009-21latency_hist11:40:331
30033993429,3cyclictest32009-21latency_hist11:40:331
30033993426,6cyclictest24176-21netstat08:20:511
30033993426,6cyclictest24176-21netstat08:20:511
3003399341,9cyclictest1786-21cpuspeed10:15:441
3003399341,9cyclictest1786-21cpuspeed10:15:441
3003399341,9cyclictest12100-21timerandwakeup12:10:541
3003399341,9cyclictest12100-21timerandwakeup12:10:541
3003399341,9cyclictest12100-21timerandwakeup12:10:541
3003399341,9cyclictest11855-21tune2fs09:15:461
3003399341,9cyclictest11855-21tune2fs09:15:461
3003399341,8cyclictest20106-21sshd11:04:301
3003399341,7cyclictest9285-21ls12:05:441
3003399341,7cyclictest21432-21awk11:05:541
3003399341,7cyclictest21432-21awk11:05:541
3003399341,11cyclictest749-21runrttasks09:05:491
3003399341,11cyclictest749-21runrttasks09:05:491
3003399341,11cyclictest7315-21/usr/sbin/munin10:30:471
3003399341,11cyclictest29312-21fschecks_time08:35:471
3003399341,11cyclictest29312-21fschecks_time08:35:471
3003399341,11cyclictest29312-21fschecks_time08:35:471
3003399341,11cyclictest28686-21fschecks_time10:00:461
3003399341,11cyclictest28686-21fschecks_time10:00:461
3003399341,11cyclictest20968-21/usr/sbin/munin09:40:571
3003399341,11cyclictest20968-21/usr/sbin/munin09:40:571
3003399341,10cyclictest749-21runrttasks11:20:141
3003399341,10cyclictest749-21runrttasks11:20:141
3003399341,10cyclictest749-21runrttasks11:20:141
3003399341,10cyclictest3595-21/usr/sbin/munin11:50:521
3003399341,10cyclictest20424-21/usr/sbin/munin12:35:471
3003399341,10cyclictest20424-21/usr/sbin/munin12:35:471
3003399341,10cyclictest14809-21/usr/sbin/munin10:50:511
30031993428,5cyclictest5182-21threads08:55:560
30031993428,5cyclictest5182-21threads08:55:560
3003399331,9cyclictest32648-21if_err_eth011:40:461
3003399331,9cyclictest29214-21tr11:30:511
3003399331,9cyclictest29214-21tr11:30:511
3003399331,9cyclictest26548-21/usr/sbin/munin11:25:491
3003399331,9cyclictest26548-21/usr/sbin/munin11:25:491
3003399331,8cyclictest16519-21date12:25:351
3003399331,8cyclictest16519-21date12:25:351
3003399331,7cyclictest31669-21taskset10:06:171
3003399331,7cyclictest31669-21taskset10:06:171
3003399331,7cyclictest19860-21ntpq09:35:511
3003399331,7cyclictest19860-21ntpq09:35:511
30033993312,19cyclictest0-21swapper/109:45:471
30033993312,19cyclictest0-21swapper/109:45:471
3003399331,11cyclictest749-21runrttasks10:42:051
3003399331,11cyclictest749-21runrttasks10:42:051
3003399331,10cyclictest2559-21uniq08:50:461
3003399331,10cyclictest2559-21uniq08:50:461
3003399331,10cyclictest18872-21grep12:30:461
3003399331,10cyclictest18872-21grep12:30:461
3003399330,10cyclictest14354-21ps09:20:531
3003399330,10cyclictest14354-21ps09:20:531
30031993324,7cyclictest22287-21netstat08:15:520
30031993324,7cyclictest22287-21netstat08:15:520
87262320,3sleep30-21swapper/309:05:533
87262320,3sleep30-21swapper/309:05:533
3003399321,9cyclictest27162-21latency09:55:471
3003399321,11cyclictest4172-21/usr/sbin/munin08:55:481
3003399321,11cyclictest4172-21/usr/sbin/munin08:55:481
3003399321,10cyclictest7605-21fschecks_time12:00:461
3003399321,10cyclictest7605-21fschecks_time12:00:461
3003399321,10cyclictest26217-21awk08:25:541
3003399321,10cyclictest26217-21awk08:25:541
30031993227,4cyclictest3370-21latency_hist10:20:440
30031993227,4cyclictest3370-21latency_hist10:20:440
30031993226,5cyclictest32023-21latency_hist11:40:330
30031993226,5cyclictest32023-21latency_hist11:40:330
30031993224,6cyclictest27179-21latency_hist08:30:420
30031993126,4cyclictest1346-21avahi-daemon12:00:550
30031993126,4cyclictest1346-21avahi-daemon12:00:550
30031993125,4cyclictest0-21swapper/009:45:330
30031993125,4cyclictest0-21swapper/009:45:330
30031993123,6cyclictest9891-21needreboot12:05:510
3003199304,11cyclictest201rcuc/011:42:200
30031993023,5cyclictest26424-21latency_hist11:25:330
30031993023,5cyclictest26424-21latency_hist11:25:330
30031993023,5cyclictest13671-21latency_hist09:20:450
30031993017,3cyclictest171ktimers/011:31:110
30031993017,3cyclictest171ktimers/011:31:110
3003199301,4cyclictest0-21swapper/012:33:010
3003199301,4cyclictest0-21swapper/012:33:010
3003199301,11cyclictest0-21swapper/008:33:250
3003199299,3cyclictest201rcuc/007:38:110
3003199299,3cyclictest201rcuc/007:38:110
3003199299,3cyclictest201rcuc/007:38:110
3003199295,5cyclictest201rcuc/008:05:230
3003199295,5cyclictest201rcuc/008:05:230
3003199295,4cyclictest201rcuc/009:53:170
3003199295,4cyclictest201rcuc/009:53:170
3003199295,13cyclictest6876-21chrt11:57:360
3003199295,13cyclictest6876-21chrt11:57:360
30031992923,4cyclictest18461-21unixbench_multi09:30:550
30031992923,4cyclictest18461-21unixbench_multi09:30:550
30031992923,4cyclictest18461-21unixbench_multi09:30:550
30031992923,4cyclictest15751-21cron08:00:340
30031992923,4cyclictest15751-21cron08:00:340
30031992923,4cyclictest12013-21cut09:15:470
30031992920,7cyclictest26315-21switchtime08:25:540
30031992920,7cyclictest10839-21latency_hist10:40:330
30031992920,7cyclictest10839-21latency_hist10:40:330
30031992914,12cyclictest171ktimers/011:14:590
30031992910,3cyclictest201rcuc/007:30:020
30031992910,3cyclictest201rcuc/007:30:020
3003199285,12cyclictest13855-21taskset07:55:110
3003199284,11cyclictest30575-21runrttasks08:38:530
3003199284,11cyclictest30575-21runrttasks08:38:530
3003199284,11cyclictest30575-21runrttasks08:38:530
30031992823,3cyclictest15500-21needreboot12:20:490
30031992823,3cyclictest15500-21needreboot12:20:490
30031992820,6cyclictest5479-21netstat07:30:520
30031992820,6cyclictest5479-21netstat07:30:520
30031992820,6cyclictest23022-21fschecks_count09:45:460
30031992820,6cyclictest23022-21fschecks_count09:45:460
30031992815,7cyclictest90-1pr/ttyS009:27:150
30031992815,7cyclictest90-1pr/ttyS009:27:150
3003199281,4cyclictest0-21swapper/008:52:470
3003199281,4cyclictest0-21swapper/008:52:470
3003199281,14cyclictest12459-21taskset10:42:150
3003199281,14cyclictest12459-21taskset10:42:150
3003199275,7cyclictest29825-21chrt10:01:340
3003199275,7cyclictest29825-21chrt10:01:340
3003199274,12cyclictest24934-21chrt08:23:170
3003199274,12cyclictest24934-21chrt08:23:170
3003199273,6cyclictest9918-21forks09:10:450
3003199273,6cyclictest9918-21forks09:10:450
30031992721,5cyclictest17718-21timerandwakeup10:55:550
30031992721,5cyclictest17718-21timerandwakeup10:55:550
30031992720,2cyclictest181rcu_preempt08:15:420
30031992720,2cyclictest181rcu_preempt08:15:420
30031992717,9cyclictest31664-21ntp_kernel_err08:40:510
30031992717,9cyclictest31664-21ntp_kernel_err08:40:510
30031992714,4cyclictest90-1pr/ttyS012:30:010
30031992714,4cyclictest90-1pr/ttyS012:30:010
30031992714,3cyclictest171ktimers/011:01:590
3003199271,13cyclictest28081-21runrttasks11:28:060
3003199271,13cyclictest28081-21runrttasks11:28:060
30031992711,3cyclictest171ktimers/012:37:400
30031992711,3cyclictest171ktimers/012:37:400
3003199271,11cyclictest5965-21irqstats10:25:490
3003199271,11cyclictest5965-21irqstats10:25:490
3003199269,3cyclictest171ktimers/010:48:560
3003199268,8cyclictest16-21ksoftirqd/012:10:430
3003199268,8cyclictest16-21ksoftirqd/012:10:430
3003199268,8cyclictest16-21ksoftirqd/012:10:430
3003199264,7cyclictest19312-21chrt08:08:140
3003199264,7cyclictest19312-21chrt08:08:140
3003199263,3cyclictest171ktimers/009:09:590
3003199263,3cyclictest171ktimers/009:09:590
30031992622,2cyclictest201rcuc/010:54:450
30031992621,3cyclictest201rcuc/012:19:590
30031992621,3cyclictest201rcuc/012:19:590
30031992620,5cyclictest8445-21timerwakeupswit10:30:550
30031992620,5cyclictest11007-21missed_timers07:45:480
30031992620,5cyclictest11007-21missed_timers07:45:480
30031992620,3cyclictest201rcuc/009:38:230
30031992620,3cyclictest201rcuc/009:38:230
213182260,3sleep30-21swapper/311:05:543
213182260,3sleep30-21swapper/311:05:543
3003199256,3cyclictest201rcuc/011:47:320
3003199256,3cyclictest201rcuc/011:47:320
3003199253,5cyclictest25935-21sed11:20:390
3003199253,5cyclictest25935-21sed11:20:390
3003199253,5cyclictest25935-21sed11:20:390
3003199252,9cyclictest1159-21runrttasks10:11:230
3003199252,9cyclictest1159-21runrttasks10:11:230
30031992521,3cyclictest90-1pr/ttyS009:20:570
30031992521,3cyclictest90-1pr/ttyS009:20:570
30031992521,3cyclictest6798-21ntp_offset09:00:520
30031992517,3cyclictest181rcu_preempt08:48:580
30031992517,3cyclictest181rcu_preempt08:48:580
30031992517,2cyclictest181rcu_preempt10:20:460
30031992517,2cyclictest181rcu_preempt10:20:460
30031992516,7cyclictest3794-21fschecks_count11:50:440
3003199244,9cyclictest2847-21seq07:25:400
3003199244,9cyclictest2847-21seq07:25:400
3003199242,3cyclictest171ktimers/009:57:190
3003199242,3cyclictest171ktimers/009:57:190
3003199242,3cyclictest171ktimers/009:57:190
14852240,2sleep30-21swapper/308:45:553
14852240,2sleep30-21swapper/308:45:553
30034992116,4cyclictest351rcuc/207:47:132
30034992116,4cyclictest351rcuc/207:47:132
30034992015,3cyclictest351rcuc/210:54:022
3003599191,13cyclictest11293-21chrt10:40:453
3003599191,12cyclictest29276-21taskset08:35:463
3003599191,12cyclictest29276-21taskset08:35:463
3003599191,12cyclictest29276-21taskset08:35:463
30034991915,3cyclictest351rcuc/208:48:122
30034991915,3cyclictest351rcuc/208:48:122
30034991914,3cyclictest351rcuc/207:24:422
30034991914,3cyclictest351rcuc/207:24:422
30034991912,5cyclictest351rcuc/209:47:462
30034991912,5cyclictest351rcuc/209:47:462
3003599183,9cyclictest0-21swapper/308:27:313
3003599183,9cyclictest0-21swapper/308:27:313
3003599182,11cyclictest0-21swapper/307:30:563
3003599182,11cyclictest0-21swapper/307:30:563
3003599181,12cyclictest21075-21taskset12:35:503
30034991814,3cyclictest351rcuc/207:32:272
30034991814,3cyclictest351rcuc/207:32:272
3003599171,12cyclictest0-21swapper/307:25:453
3003599171,12cyclictest0-21swapper/307:25:453
3003599171,11cyclictest6536-21chrt11:55:543
3003599171,11cyclictest6536-21chrt11:55:543
3003599171,11cyclictest27040-21chrt09:55:463
3003599171,11cyclictest27040-21chrt09:55:463
3003599171,11cyclictest27040-21chrt09:55:463
30034991712,3cyclictest109312sleep209:10:562
30034991712,3cyclictest109312sleep209:10:562
3003499171,13cyclictest2909-21chrt10:15:552
3003499171,13cyclictest2909-21chrt10:15:552
3003599163,9cyclictest0-21swapper/309:12:313
3003599163,9cyclictest0-21swapper/309:12:313
3003599162,9cyclictest0-21swapper/310:21:303
3003599162,9cyclictest0-21swapper/310:21:303
3003599162,11cyclictest0-21swapper/309:20:443
3003599162,10cyclictest0-21swapper/311:30:493
3003599162,10cyclictest0-21swapper/311:30:493
30035991611,3cyclictest164922chrt08:00:493
30035991611,3cyclictest164922chrt08:00:493
30035991611,3cyclictest114842chrt12:10:463
30035991611,3cyclictest114842chrt12:10:463
30035991611,3cyclictest114842chrt12:10:463
3003599161,12cyclictest27353-21chrt11:25:473
3003599161,12cyclictest27353-21chrt11:25:473
3003599161,11cyclictest8098-21chrt12:00:533
3003599161,11cyclictest8098-21chrt12:00:533
3003599161,11cyclictest32707-21chrt11:40:473
3003599161,11cyclictest1924-21chrt07:20:533
3003599161,11cyclictest1924-21chrt07:20:533
3003599161,11cyclictest0-21swapper/310:55:553
3003599161,11cyclictest0-21swapper/310:55:553
3003599161,10cyclictest5557-21chrt10:25:453
3003599161,10cyclictest5557-21chrt10:25:453
3003499163,9cyclictest0-21swapper/211:26:312
3003499163,9cyclictest0-21swapper/211:26:312
3003499163,9cyclictest0-21swapper/209:31:302
3003499163,9cyclictest0-21swapper/209:31:302
3003499163,9cyclictest0-21swapper/209:31:302
3003499163,9cyclictest0-21swapper/208:51:312
3003499163,9cyclictest0-21swapper/208:51:312
3003499163,9cyclictest0-21swapper/207:37:312
3003499163,9cyclictest0-21swapper/207:37:312
3003499163,9cyclictest0-21swapper/207:37:312
30034991611,3cyclictest351rcuc/209:20:412
30034991611,3cyclictest351rcuc/209:20:412
3003499161,12cyclictest32627-21chrt08:45:342
3003499161,12cyclictest32627-21chrt08:45:342
3003499161,12cyclictest29835-21chrt08:35:532
3003499161,12cyclictest29835-21chrt08:35:532
3003499161,12cyclictest29835-21chrt08:35:532
3003499161,11cyclictest4004-21taskset10:20:462
3003499161,11cyclictest4004-21taskset10:20:462
3003499161,11cyclictest27099-21taskset08:30:392
3003499161,11cyclictest27099-21taskset08:30:392
3003499161,10cyclictest15386-21chrt09:25:422
3003499161,10cyclictest15386-21chrt09:25:422
3003599159,4cyclictest106542sleep312:08:003
3003599153,9cyclictest0-21swapper/310:03:313
3003599153,9cyclictest0-21swapper/310:03:313
3003599153,9cyclictest0-21swapper/309:39:313
3003599153,9cyclictest0-21swapper/309:39:313
3003599153,8cyclictest0-21swapper/307:57:303
3003599151,9cyclictest17960-21taskset08:05:433
3003599151,9cyclictest17960-21taskset08:05:433
3003599151,9cyclictest11313-21chrt07:45:533
3003599151,9cyclictest11313-21chrt07:45:533
3003599151,10cyclictest22259-21chrt09:40:553
3003599151,10cyclictest22259-21chrt09:40:553
3003599151,10cyclictest19984-21chrt08:10:463
3003599151,10cyclictest19984-21chrt08:10:463
3003599151,10cyclictest19308-21chrt12:30:523
3003599151,10cyclictest19308-21chrt12:30:523
3003599151,10cyclictest1830-21chrt10:15:443
3003599151,10cyclictest1830-21chrt10:15:443
3003599151,10cyclictest12357-21taskset07:50:443
3003599151,10cyclictest0-21swapper/310:10:483
3003599151,10cyclictest0-21swapper/310:10:483
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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