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2026-03-04 - 09:02
[ 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 the highest latencies:
System rack9slot4s (updated Wed Mar 04, 2026 00:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
131669912371211,22cyclictest2645-21snmpd19:26:041
131659912171194,20cyclictest0-21swapper/019:26:270
130992588541,33sleep10-21swapper/119:24:541
128232521474,31sleep00-21swapper/019:21:590
3156321180,4sleep10-21swapper/122:26:461
1291221050,22sleep122-21ksoftirqd/100:21:041
106822890,4sleep1211ktimersoftd/122:05:241
78712800,5sleep0111rcuc/022:02:310
214572720,3sleep00-21swapper/023:56:400
104312580,8sleep01316599cyclictest23:11:480
263722450,23sleep03-21ksoftirqd/022:21:160
13165994215,5cyclictest0-21swapper/000:17:290
13165994124,6cyclictest3-21ksoftirqd/019:34:030
13165994123,4cyclictest3-21ksoftirqd/000:07:560
13165994121,5cyclictest3-21ksoftirqd/021:19:080
13165994120,5cyclictest3-21ksoftirqd/022:29:380
13165994113,7cyclictest3-21ksoftirqd/023:35:370
1316599411,20cyclictest0-21swapper/022:30:110
1316599411,20cyclictest0-21swapper/022:30:110
31892401,35sleep03199-21ssh23:05:070
13165994023,6cyclictest3-21ksoftirqd/020:53:130
13165994023,6cyclictest3-21ksoftirqd/020:34:280
13165994022,6cyclictest3-21ksoftirqd/021:02:220
13165994021,6cyclictest3-21ksoftirqd/021:46:370
13165994021,4cyclictest3-21ksoftirqd/000:34:160
1316699393,32cyclictest0-21swapper/121:26:561
13165993921,8cyclictest3-21ksoftirqd/021:43:160
13165993920,8cyclictest3-21ksoftirqd/021:32:240
13165993919,5cyclictest3-21ksoftirqd/000:41:100
13165993916,7cyclictest3-21ksoftirqd/022:19:590
50992380,4sleep0111rcuc/000:13:470
245932380,3sleep1211ktimersoftd/100:00:161
1316699386,28cyclictest0-21swapper/121:52:151
1316699386,28cyclictest0-21swapper/121:52:151
1316699383,32cyclictest0-21swapper/121:04:361
13165993823,5cyclictest3-21ksoftirqd/019:45:060
13165993823,4cyclictest3-21ksoftirqd/000:35:150
13165993822,6cyclictest3-21ksoftirqd/019:41:020
13165993822,5cyclictest3-21ksoftirqd/022:41:060
13165993822,5cyclictest3-21ksoftirqd/020:03:580
13165993821,6cyclictest3-21ksoftirqd/022:13:220
13165993821,6cyclictest3-21ksoftirqd/021:12:480
13165993819,4cyclictest3-21ksoftirqd/023:00:340
13165993813,10cyclictest3-21ksoftirqd/023:20:210
261412371,32sleep126205-21iostat00:35:191
1316699374,5cyclictest81rcu_preempt22:19:591
1316699374,30cyclictest0-21swapper/122:36:161
13166993728,5cyclictest0-21swapper/123:17:351
1316699372,5cyclictest27777-21fschecks_count23:30:161
13165993722,5cyclictest3-21ksoftirqd/023:25:050
13165993722,5cyclictest3-21ksoftirqd/021:26:180
13165993722,5cyclictest3-21ksoftirqd/000:00:410
13165993720,6cyclictest3-21ksoftirqd/022:05:550
13165993720,5cyclictest17179-21cron21:00:000
13165993716,6cyclictest3-21ksoftirqd/022:50:180
1316699363,5cyclictest81rcu_preempt23:10:501
1316699363,28cyclictest0-21swapper/123:02:561
1316699361,31cyclictest5047-21diskstats23:40:161
1316599363,29cyclictest0-21swapper/022:48:360
13165993622,4cyclictest3-21ksoftirqd/022:59:380
13165993621,5cyclictest3-21ksoftirqd/023:52:160
13165993621,5cyclictest3-21ksoftirqd/023:45:400
13165993621,5cyclictest3-21ksoftirqd/023:42:350
13165993621,5cyclictest3-21ksoftirqd/022:35:500
13165993621,5cyclictest3-21ksoftirqd/021:58:240
13165993621,5cyclictest3-21ksoftirqd/000:25:450
13165993621,5cyclictest3-21ksoftirqd/000:21:520
13165993620,5cyclictest3-21ksoftirqd/021:52:320
13165993620,5cyclictest3-21ksoftirqd/021:52:310
13165993620,4cyclictest3-21ksoftirqd/020:25:180
13165993619,6cyclictest3-21ksoftirqd/021:39:080
13165993613,6cyclictest3-21ksoftirqd/021:20:230
13722350,5sleep11361-21aten_r4power_vo00:10:131
1316699355,4cyclictest81rcu_preempt23:20:211
1316699353,30cyclictest0-21swapper/120:22:151
1316699351,5cyclictest24209-21sh22:52:551
13165993520,5cyclictest3-21ksoftirqd/000:53:150
1316599351,21cyclictest25822-21irqstats19:55:190
1316699345,5cyclictest81rcu_preempt22:24:321
13165993420,4cyclictest3-21ksoftirqd/023:32:270
13165993420,4cyclictest3-21ksoftirqd/000:48:160
13165993417,8cyclictest3-21ksoftirqd/023:18:160
13165993411,8cyclictest3-21ksoftirqd/020:18:060
228022331,4sleep10-21swapper/100:31:251
175902331,5sleep10-21swapper/121:39:511
1316699336,4cyclictest81rcu_preempt22:48:301
1316699336,4cyclictest81rcu_preempt22:44:461
1316699335,5cyclictest81rcu_preempt21:20:251
1316699334,4cyclictest81rcu_preempt22:11:131
13166993322,7cyclictest22023-21ls21:10:221
1316699331,5cyclictest0-21swapper/122:04:151
1316699331,5cyclictest0-21swapper/119:55:161
1316699331,30cyclictest0-21swapper/123:56:161
1316699331,30cyclictest0-21swapper/120:11:161
1316699331,28cyclictest6836-21cat00:49:561
1316699331,27cyclictest1968-21lldpad23:46:581
1316599334,26cyclictest3-21ksoftirqd/020:05:580
13165993318,4cyclictest3-21ksoftirqd/020:13:090
1316599331,30cyclictest0-21swapper/021:06:560
1316699324,4cyclictest81rcu_preempt23:09:361
1316699323,4cyclictest81rcu_preempt22:34:321
1316699323,4cyclictest81rcu_preempt22:34:321
13166993224,5cyclictest0-21swapper/121:15:351
1316699321,7cyclictest32302-21ssh23:35:121
1316699321,5cyclictest81rcu_preempt00:26:321
101212321,4sleep010177-21fschecks_count20:40:160
101212321,4sleep010177-21fschecks_count20:40:150
64792311,4sleep16540-21perl20:30:171
210932310,11sleep11316699cyclictest21:10:011
13166993126,3cyclictest0-21swapper/119:47:151
1316699312,4cyclictest81rcu_preempt00:05:531
13166993119,8cyclictest22-21ksoftirqd/123:25:311
1316699311,7cyclictest0-21swapper/121:34:521
1316699311,4cyclictest81rcu_preempt23:54:351
1316699311,4cyclictest81rcu_preempt21:59:511
1316699311,4cyclictest81rcu_preempt20:18:061
1316699311,4cyclictest81rcu_preempt00:16:251
13165993118,4cyclictest3-21ksoftirqd/020:48:340
95142301,5sleep10-21swapper/120:38:411
79872301,5sleep00-21swapper/020:35:130
1316699302,4cyclictest81rcu_preempt00:52:551
1316699301,4cyclictest81rcu_preempt22:55:421
1316599307,11cyclictest3302-21runrttasks19:36:290
1316599302,17cyclictest24883-21runrttasks19:53:110
1316699294,19cyclictest15755-21diskstats20:55:141
1316699291,4cyclictest81rcu_preempt21:41:421
1316699290,4cyclictest81rcu_preempt21:45:511
1316699284,18cyclictest27716-21iostat_ios20:00:201
1316699284,18cyclictest18296-21iostat_ios19:35:201
1316699282,4cyclictest81rcu_preempt20:51:231
1316699282,20cyclictest0-21swapper/100:42:021
1316699281,9cyclictest0-21swapper/120:49:151
13166992818,6cyclictest29694-21sort20:05:221
1316699281,6cyclictest10996-21sed20:40:291
1316699281,6cyclictest10996-21sed20:40:281
210792271,5sleep10-21swapper/119:42:391
1316699271,22cyclictest16303-21fschecks_time19:30:171
1316599279,15cyclictest0-21swapper/020:22:550
1316699261,4cyclictest81rcu_preempt19:54:101
1316699243,18cyclictest0-21swapper/120:25:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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