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2026-01-15 - 17:46
[ 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 Thu Jan 15, 2026 12:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200099912711221,44cyclictest20430-21df07:25:130
200109912291208,17cyclictest3150-21file08:01:521
200109911951172,20cyclictest0-21swapper/107:25:111
198302518473,30sleep00-21swapper/007:23:440
197042481434,32sleep10-21swapper/107:22:231
2000999158136,18cyclictest0-21swapper/008:01:520
415421100,8sleep02000999cyclictest10:58:190
3125921060,22sleep03-21ksoftirqd/012:00:010
238772880,8sleep02000999cyclictest11:18:510
305422740,4sleep00-21swapper/012:32:030
273532640,23sleep03-21ksoftirqd/010:49:040
20010995219,4cyclictest22-21ksoftirqd/111:52:151
20010995121,8cyclictest22-21ksoftirqd/110:18:391
2001099497,7cyclictest22-21ksoftirqd/110:42:191
2001099488,7cyclictest22-21ksoftirqd/112:03:461
2001099488,6cyclictest22-21ksoftirqd/110:30:591
2001099487,6cyclictest22-21ksoftirqd/111:59:411
2001099483,6cyclictest22-21ksoftirqd/109:23:041
2001099482,6cyclictest22-21ksoftirqd/111:30:351
2001099482,14cyclictest22-21ksoftirqd/111:18:161
20010994818,4cyclictest22-21ksoftirqd/110:23:271
20010994816,5cyclictest22-21ksoftirqd/112:40:401
20010994816,5cyclictest22-21ksoftirqd/111:02:081
20010994815,6cyclictest22-21ksoftirqd/109:35:331
20010994814,5cyclictest22-21ksoftirqd/111:41:411
2001099472,6cyclictest22-21ksoftirqd/111:35:381
2001099467,6cyclictest22-21ksoftirqd/112:07:101
2001099467,6cyclictest22-21ksoftirqd/109:49:361
2001099467,6cyclictest22-21ksoftirqd/109:49:361
2001099465,14cyclictest22-21ksoftirqd/111:05:071
2001099463,14cyclictest22-21ksoftirqd/110:05:371
20010994616,6cyclictest22-21ksoftirqd/111:47:301
20010994615,6cyclictest22-21ksoftirqd/111:13:331
20010994611,4cyclictest81rcu_preempt10:56:171
2001099461,14cyclictest22-21ksoftirqd/111:25:091
2000999461,16cyclictest0-21swapper/009:39:130
2001099459,7cyclictest22-21ksoftirqd/109:25:201
2001099458,6cyclictest22-21ksoftirqd/110:35:111
2001099458,6cyclictest22-21ksoftirqd/109:05:271
2001099458,6cyclictest22-21ksoftirqd/109:05:271
2001099458,5cyclictest8532-21/usr/sbin/munin09:55:281
2001099457,6cyclictest3752-21/usr/sbin/munin08:05:231
2001099457,6cyclictest22-21ksoftirqd/108:25:261
2001099457,6cyclictest22-21ksoftirqd/108:25:261
20010994523,4cyclictest22-21ksoftirqd/108:31:061
20010994522,9cyclictest22-21ksoftirqd/109:10:081
2001099451,6cyclictest22-21ksoftirqd/112:34:301
20010994514,9cyclictest22-21ksoftirqd/109:52:381
2001099451,16cyclictest22-21ksoftirqd/112:23:111
2001099451,15cyclictest22-21ksoftirqd/110:52:201
20010994511,4cyclictest22-21ksoftirqd/112:18:141
2001099449,6cyclictest24081-21watchsnmpd08:58:011
2001099449,6cyclictest14345-21df12:50:131
2001099449,4cyclictest81rcu_preempt10:25:171
2001099448,6cyclictest22-21ksoftirqd/108:20:101
2001099448,5cyclictest23749-21hddtemp_smartct12:25:161
2001099448,5cyclictest22-21ksoftirqd/110:10:191
2001099448,5cyclictest20688-21/usr/sbin/munin08:50:261
2001099447,6cyclictest22-21ksoftirqd/107:35:221
2001099441,5cyclictest22-21ksoftirqd/110:04:201
20010994411,5cyclictest22-21ksoftirqd/110:45:521
66382430,7sleep02000999cyclictest08:10:270
2001099438,6cyclictest22-21ksoftirqd/112:47:171
2001099438,6cyclictest22-21ksoftirqd/107:44:511
2001099438,6cyclictest22-21ksoftirqd/107:44:511
2001099437,6cyclictest3791-21ssh12:38:121
2001099437,6cyclictest22-21ksoftirqd/108:45:231
2001099437,6cyclictest22131-21munin-node07:30:041
2001099436,6cyclictest22-21ksoftirqd/109:41:271
2001099436,6cyclictest22-21ksoftirqd/108:35:271
2001099435,6cyclictest9681-21ssh12:10:241
2001099424,6cyclictest22-21ksoftirqd/109:17:371
20010994221,9cyclictest22-21ksoftirqd/109:30:041
20010994124,4cyclictest22-21ksoftirqd/107:55:101
20010994122,4cyclictest22-21ksoftirqd/111:20:031
2001099407,10cyclictest7766-21cstates08:15:131
2001099406,5cyclictest17183-21cstates08:40:121
20010994026,4cyclictest22-21ksoftirqd/108:10:111
20010994026,4cyclictest22-21ksoftirqd/107:45:211
20010994011,6cyclictest22-21ksoftirqd/109:02:001
20010993925,4cyclictest22-21ksoftirqd/107:50:111
20009993915,14cyclictest3-21ksoftirqd/011:21:570
325932381,31sleep032749-21awk12:00:280
292682370,10sleep05031-21kworker/0:209:44:280
2000999373,4cyclictest81rcu_preempt10:39:190
2000999371,7cyclictest9363-21ssh09:23:420
2000999367,14cyclictest2206-21dbus-daemon08:47:070
2000999362,21cyclictest32731-21iostat_ios07:55:200
2000999361,22cyclictest12590-21rm09:26:210
2000999361,20cyclictest30577-21cat11:25:210
98232351,29sleep09858-21ntp_states10:30:240
22102352,29sleep00-21swapper/009:15:320
209042350,7sleep00-21swapper/010:09:050
2000999355,26cyclictest21169-21fschecks_time08:50:160
2000999353,4cyclictest81rcu_preempt11:53:010
2000999352,29cyclictest3256-21sendmail-mta11:04:560
2000999352,20cyclictest12770-21ssh12:14:160
2000999351,4cyclictest81rcu_preempt12:38:580
96672340,4sleep0111rcuc/008:20:110
2000999346,4cyclictest81rcu_preempt08:41:430
2000999343,4cyclictest81rcu_preempt09:10:560
20009993426,4cyclictest0-21swapper/010:00:560
2000999342,29cyclictest0-21swapper/012:26:160
2000999342,29cyclictest0-21swapper/012:22:560
2000999342,28cyclictest28056-21diskmemload09:50:560
2000999342,28cyclictest0-21swapper/012:54:550
2000999341,4cyclictest28698-21ssh10:50:150
320022331,4sleep032080-21hddtemp_smartct10:20:160
286602331,28sleep028669-21df_inode07:45:140
2000999335,5cyclictest81rcu_preempt12:15:130
2000999335,4cyclictest81rcu_preempt12:07:030
2000999335,4cyclictest81rcu_preempt10:28:270
2000999334,4cyclictest81rcu_preempt12:40:200
2000999334,4cyclictest81rcu_preempt11:48:300
2000999334,4cyclictest81rcu_preempt11:07:040
2000999334,4cyclictest81rcu_preempt07:40:140
2000999334,4cyclictest81rcu_preempt07:40:140
2000999333,4cyclictest81rcu_preempt11:41:130
20009993322,9cyclictest0-21swapper/010:14:560
20009993313,6cyclictest7455-21df_inode11:35:130
155502330,7sleep00-21swapper/009:30:120
2000999327,13cyclictest30853-21irqstats07:50:190
2000999324,4cyclictest81rcu_preempt09:48:270
2000999324,4cyclictest81rcu_preempt09:48:270
2000999324,25cyclictest19152-21kworker/u4:010:43:070
2000999323,16cyclictest0-21swapper/008:31:530
20009993223,5cyclictest0-21swapper/011:14:160
2000999321,5cyclictest81rcu_preempt09:55:110
2000999321,5cyclictest0-21swapper/011:30:150
2000999321,5cyclictest0-21swapper/008:55:560
2000999318,6cyclictest7790-21df_inode08:15:130
2000999315,4cyclictest81rcu_preempt12:45:390
2000999311,5cyclictest0-21swapper/010:19:360
2000999311,20cyclictest26202-21taskset07:38:510
2000999301,27cyclictest0-21swapper/007:30:350
20009993010,6cyclictest3840-21basename08:05:110
279292291,5sleep00-21swapper/009:08:530
279292291,5sleep00-21swapper/009:08:520
20009992910,5cyclictest3302-21runrttasks08:36:330
126052291,5sleep00-21swapper/008:26:010
126052291,5sleep00-21swapper/008:26:000
20009992814,8cyclictest24752-21diskstats09:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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