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2026-03-06 - 09:25
[ 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 #9, slot #4

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.
Unexpectedly long latencies may be caused by SMIs
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 all highest latencies:
System rack9slot4s (updated Fri Mar 06, 2026 00:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
229629912821,3cyclictest0-21swapper/019:26:260
229639911231113,6cyclictest2645-21snmpd19:26:051
226152465417,32sleep10-21swapper/119:22:001
224982454356,31sleep00-21swapper/019:20:460
146042770,4sleep10-21swapper/123:05:521
45682760,7sleep02296299cyclictest00:35:510
210502760,4sleep10-21swapper/100:20:161
106202710,8sleep12296399cyclictest21:55:221
190512690,4sleep1201rcuc/121:30:281
2296299652,58cyclictest13548-21df_inode21:25:150
2296299617,4cyclictest0-21swapper/021:15:010
2296299591,14cyclictest2645-21snmpd21:46:340
22962995817,8cyclictest16961-21iostat_ios22:35:210
2296299577,11cyclictest21798-21ssh22:40:210
2296299574,17cyclictest9833-21diskstats23:35:150
22962995721,6cyclictest27383-21/usr/sbin/munin23:20:290
22962995720,6cyclictest30744-21diskmemload00:27:280
2296299564,17cyclictest24383-21diskstats23:50:170
2296299554,7cyclictest31559-21diskstats19:45:150
2296299554,11cyclictest25576-1kworker/0:0H22:19:000
2296299553,13cyclictest24732-21df22:10:140
22962995516,7cyclictest20281-21iostat_ios22:05:210
2296299551,14cyclictest30494-21latency_hist22:50:000
2296299551,14cyclictest18949-21needreboot21:30:260
2296299546,12cyclictest30348-21/usr/sbin/munin00:30:100
2296299542,13cyclictest16772-21/usr/sbin/munin00:50:160
2296299542,13cyclictest0-21swapper/021:13:360
2296299541,14cyclictest26540-21ssh21:38:420
2296299541,14cyclictest12031-21latency_hist20:20:020
2296299532,13cyclictest18550-21ntp_states20:35:260
22962995319,5cyclictest3-21ksoftirqd/000:11:150
2296299531,15cyclictest12619-21python22:30:280
2296299531,15cyclictest12619-21python22:30:280
2296299531,14cyclictest7150-21ssh21:51:240
2296299531,14cyclictest11932-21ssh23:03:590
22962995310,6cyclictest24974-21chrt20:53:520
2296299522,12cyclictest30744-21diskmemload22:25:160
22962995219,6cyclictest26135-21ssh23:18:380
2296299521,14cyclictest899-21ssh22:52:090
2296299521,13cyclictest12821-21ssh23:05:030
22962995210,11cyclictest29421-21grep21:05:210
2296299519,9cyclictest0-21swapper/023:44:180
2296299513,13cyclictest29185-21df23:55:140
2296299512,13cyclictest27742-21iostat_ios21:00:200
2296299511,12cyclictest4024-21ssh00:02:130
2296299502,15cyclictest3533-21df22:55:120
2296299502,13cyclictest32614-21/usr/sbin/munin23:25:190
2296299501,13cyclictest9234-21ssh00:07:470
2296299501,13cyclictest3571-21ssh22:20:590
2296299492,14cyclictest14011-21sh00:45:460
22962994913,5cyclictest30170-21ssh21:41:550
2296299491,13cyclictest8476-21ssh23:33:540
2296299482,11cyclictest3302-21runrttasks19:42:440
180172480,4sleep1201rcuc/123:43:401
2296299472,12cyclictest5158-21iostat20:00:180
2296299471,14cyclictest19758-21ssh00:19:030
2296299461,14cyclictest19243-21aten_r4power_en23:45:120
89692450,8sleep12296399cyclictest00:40:291
88092440,8sleep12296399cyclictest21:20:141
22963994424,10cyclictest22-21ksoftirqd/123:03:591
2296399416,5cyclictest81rcu_preempt00:30:271
2296399411,14cyclictest0-21swapper/122:47:061
2296399394,8cyclictest0-21swapper/123:24:151
2296399382,18cyclictest0-21swapper/100:03:161
22963993810,25cyclictest16059-21cat22:35:021
22963993810,25cyclictest16059-21cat22:35:011
2296399372,7cyclictest0-21swapper/122:19:351
2296399372,31cyclictest21641-21hddtemp_smartct22:40:151
22963993628,4cyclictest0-21swapper/123:50:551
22963993625,7cyclictest9867-21ssh00:08:431
2296399362,31cyclictest0-21swapper/121:36:151
2296399362,14cyclictest0-21swapper/122:21:301
2296399361,14cyclictest11355-21ssh23:36:031
2296299361,23cyclictest17126-21taskset20:30:350
10382361,3sleep10-21swapper/122:52:231
2296299352,29cyclictest0-21swapper/022:02:350
2296299351,31cyclictest0-21swapper/020:55:160
2296399344,4cyclictest81rcu_preempt23:26:351
2296399343,5cyclictest81rcu_preempt22:07:551
2296399343,5cyclictest81rcu_preempt21:25:131
2296399341,9cyclictest26691-21sh22:11:401
2296399341,5cyclictest4568-21/usr/sbin/munin20:00:151
2296299348,10cyclictest21177-21seq20:43:290
2296299348,10cyclictest21177-21seq20:43:290
2296299341,30cyclictest0-21swapper/021:59:560
96802331,4sleep181rcu_preempt22:27:521
315472331,28sleep131556-21diskstats19:45:131
2296399334,4cyclictest81rcu_preempt21:43:251
2296399334,4cyclictest81rcu_preempt00:12:211
2296399332,9cyclictest81rcu_preempt23:57:071
2296399332,4cyclictest81rcu_preempt22:38:411
2296399332,4cyclictest81rcu_preempt00:54:261
2296399332,17cyclictest25895-21df19:30:121
2296399331,6cyclictest81rcu_preempt21:51:361
2296399331,4cyclictest81rcu_preempt20:30:321
2296299332,19cyclictest28316-21ntp_states19:35:240
2296399327,7cyclictest102542aten_r4power_po20:15:121
2296399324,4cyclictest81rcu_preempt21:15:121
2296399322,5cyclictest81rcu_preempt23:11:091
22963993225,5cyclictest0-21swapper/100:26:561
2296399321,4cyclictest81rcu_preempt00:18:351
2296299324,4cyclictest81rcu_preempt00:22:540
228312321,4sleep121719-21kworker/1:123:15:141
2296399314,6cyclictest81rcu_preempt00:47:121
2296399311,4cyclictest81rcu_preempt22:56:231
2296399311,4cyclictest81rcu_preempt22:03:041
2296399311,28cyclictest0-21swapper/120:08:161
2296399311,27cyclictest0-21swapper/119:40:161
2296299317,12cyclictest11509-21seq21:22:550
2296299312,17cyclictest2645-21snmpd23:11:520
2296299312,16cyclictest0-21swapper/020:20:330
2296299312,15cyclictest2645-21snmpd00:42:110
28442301,4sleep12943-21df19:55:141
2296399306,4cyclictest81rcu_preempt20:43:261
2296399306,4cyclictest81rcu_preempt20:43:251
22963993023,5cyclictest0-21swapper/123:45:361
2296399301,4cyclictest81rcu_preempt23:30:591
2296399301,4cyclictest81rcu_preempt00:39:081
2296399301,27cyclictest0-21swapper/121:45:361
2296399301,27cyclictest0-21swapper/120:49:161
2296299304,7cyclictest1698-21python19:50:270
2296299302,15cyclictest0-21swapper/020:27:110
2296299302,14cyclictest9004-21memory20:10:200
2296399295,4cyclictest81rcu_preempt20:59:481
2296399294,19cyclictest14265-21diskstats20:25:161
2296399294,13cyclictest0-21swapper/121:11:181
2296399293,14cyclictest0-21swapper/121:06:251
2296399291,8cyclictest0-21swapper/121:01:251
22962992912,6cyclictest3154-21hddtemp_smartct19:55:160
2296299291,15cyclictest22834-21taskset20:46:110
22963992819,5cyclictest22-21ksoftirqd/119:51:111
2296399281,3cyclictest0-21swapper/120:52:361
137202281,5sleep10-21swapper/120:24:101
22963992717,6cyclictest29021-21runrttasks19:38:071
2296399270,4cyclictest81rcu_preempt20:11:591
2296299279,5cyclictest26968-21seq19:31:160
2296299261,12cyclictest7880-21taskset20:07:070
2296399251,3cyclictest81rcu_preempt20:36:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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