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2026-02-19 - 17:44
[ 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 792 highest latencies:
System rack9slot4s (updated Thu Feb 19, 2026 12:59:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295879912251176,36cyclictest29975-21ls07:25:111
295869911191084,31cyclictest30314-21iostat07:25:170
295879911131103,7cyclictest0-21swapper/109:25:161
293472552508,29sleep00-21swapper/007:23:030
291112463416,33sleep10-21swapper/107:20:351
295869911684,19cyclictest0-21swapper/009:25:150
156352940,2sleep00-21swapper/009:53:430
241142750,3sleep00-21swapper/012:50:160
135052730,3sleep00-21swapper/010:25:090
195802560,5sleep0111rcuc/008:20:190
181702530,7sleep118171-21aten_r4power_cu12:10:081
22202480,4sleep02958699cyclictest09:40:090
29586994528,6cyclictest3-21ksoftirqd/010:16:160
162252450,4sleep041ktimersoftd/012:07:310
29586994321,5cyclictest3-21ksoftirqd/011:21:360
29586994226,5cyclictest3-21ksoftirqd/009:45:110
103462420,6sleep02958699cyclictest10:20:460
311592410,3sleep041ktimersoftd/010:42:540
29586994125,6cyclictest3-21ksoftirqd/008:37:250
29586994124,6cyclictest3-21ksoftirqd/012:20:090
29586994124,6cyclictest3-21ksoftirqd/012:16:350
29586994124,6cyclictest3-21ksoftirqd/010:33:030
29586994121,9cyclictest3-21ksoftirqd/009:15:350
29586994121,5cyclictest3-21ksoftirqd/012:27:130
29586994116,10cyclictest3-21ksoftirqd/009:31:150
29586994023,6cyclictest3-21ksoftirqd/012:39:320
105052400,4sleep0132-21jbd2/sda2-807:55:240
2958799396,5cyclictest81rcu_preempt10:28:001
29586993924,5cyclictest3-21ksoftirqd/011:19:100
29586993920,4cyclictest3-21ksoftirqd/011:45:120
29586993919,5cyclictest3-21ksoftirqd/010:51:120
2958799383,5cyclictest0-21swapper/110:20:151
29586993828,7cyclictest0-21swapper/011:13:560
29586993823,5cyclictest3-21ksoftirqd/011:05:100
29586993822,5cyclictest3-21ksoftirqd/010:38:210
29586993822,5cyclictest3-21ksoftirqd/009:09:360
29586993821,6cyclictest3-21ksoftirqd/011:28:090
29586993821,6cyclictest3-21ksoftirqd/007:45:150
29586993819,8cyclictest3-21ksoftirqd/012:00:230
29586993819,8cyclictest3-21ksoftirqd/012:00:230
29586993818,5cyclictest3-21ksoftirqd/011:32:250
2958799377,26cyclictest19830-21cron09:25:001
2958799372,5cyclictest0-21swapper/111:14:561
29586993722,5cyclictest3-21ksoftirqd/008:58:590
29586993721,6cyclictest3-21ksoftirqd/012:46:520
29586993721,5cyclictest3-21ksoftirqd/009:20:170
29586993720,6cyclictest3-21ksoftirqd/011:42:440
29586993720,6cyclictest3-21ksoftirqd/010:08:440
29586993718,4cyclictest3-21ksoftirqd/010:55:080
29586993716,6cyclictest3-21ksoftirqd/009:12:170
2958799363,30cyclictest0-21swapper/108:24:351
29586993622,4cyclictest3-21ksoftirqd/011:50:260
29586993621,5cyclictest3-21ksoftirqd/012:12:300
29586993621,5cyclictest3-21ksoftirqd/011:37:390
29586993620,5cyclictest3-21ksoftirqd/009:58:380
29586993619,6cyclictest3-21ksoftirqd/007:50:430
29586993619,5cyclictest3-21ksoftirqd/011:57:320
29586993619,5cyclictest3-21ksoftirqd/008:43:140
2958699361,22cyclictest18448-21ssh12:43:360
24012360,9sleep02958699cyclictest10:46:120
24012360,9sleep02958699cyclictest10:46:120
2958799355,6cyclictest70142sh10:50:451
2958799355,26cyclictest25488-21ssh09:30:161
2958799354,4cyclictest81rcu_preempt09:19:211
29587993528,4cyclictest0-21swapper/109:46:561
2958799352,29cyclictest0-21swapper/111:15:351
2958799352,15cyclictest40550irq/92-i91510:38:211
2958799351,30cyclictest19228-21ssh09:56:561
29586993520,5cyclictest3-21ksoftirqd/010:01:020
2958699351,30cyclictest30232-21fschecks_count09:35:150
108752352,29sleep12645-21snmpd07:55:541
2958799348,22cyclictest0-21swapper/111:50:061
2958799342,4cyclictest0-21swapper/112:42:561
2958799342,28cyclictest0-21swapper/112:01:361
2958799342,28cyclictest0-21swapper/112:01:361
2958799341,28cyclictest7436-21ssh09:11:071
2958799341,14cyclictest29882uname09:40:191
2958799341,10cyclictest24072-21tune2fs12:50:141
29586993420,5cyclictest3-21ksoftirqd/010:11:370
29586993420,5cyclictest3-21ksoftirqd/010:11:370
29586993419,5cyclictest3-21ksoftirqd/011:01:470
29586993418,6cyclictest3-21ksoftirqd/008:52:300
29586993418,5cyclictest3-21ksoftirqd/012:30:150
2958799334,4cyclictest81rcu_preempt12:48:311
2958799334,4cyclictest81rcu_preempt08:06:021
2958799332,4cyclictest81rcu_preempt12:25:111
2958799332,4cyclictest81rcu_preempt09:37:341
2958799332,11cyclictest28543-21iostat12:20:181
2958799331,5cyclictest0-21swapper/108:40:151
2958799331,4cyclictest81rcu_preempt10:10:061
2958799331,4cyclictest81rcu_preempt10:10:051
2958799331,30cyclictest0-21swapper/110:19:351
2958799331,29cyclictest5622-21fschecks_time12:30:161
2958799331,28cyclictest3992-21rm11:21:041
2958699332,4cyclictest0-21swapper/009:04:550
2958699332,28cyclictest0-21swapper/008:29:560
29586993318,5cyclictest3-21ksoftirqd/008:06:080
29586993317,5cyclictest3-21ksoftirqd/008:46:310
2958799326,4cyclictest81rcu_preempt07:32:171
2958799325,4cyclictest81rcu_preempt10:01:541
2958799324,4cyclictest81rcu_preempt10:57:001
2958799321,5cyclictest81rcu_preempt08:45:331
2958799321,5cyclictest0-21swapper/112:19:361
2958799321,4cyclictest81rcu_preempt09:52:521
2958799320,4cyclictest81rcu_preempt11:57:401
2958699321,5cyclictest0-21swapper/008:02:350
21892321,4sleep12194-21irqstats09:00:221
2958799315,4cyclictest81rcu_preempt07:46:321
2958799312,4cyclictest81rcu_preempt10:07:141
29587993124,5cyclictest0-21swapper/112:06:161
2958799311,27cyclictest0-21swapper/111:38:561
29587993111,15cyclictest0-21swapper/110:42:431
2958699313,15cyclictest4575-21ntp_states07:40:240
29586993116,5cyclictest3-21ksoftirqd/007:30:580
2958799307,12cyclictest40550irq/92-i91510:50:001
2958799307,12cyclictest40550irq/92-i91510:50:001
2958799306,5cyclictest81rcu_preempt11:00:301
2958799304,4cyclictest81rcu_preempt08:11:111
2958799303,24cyclictest0-21swapper/111:05:311
2958799302,15cyclictest21683-21ntp_states08:25:231
2958799301,5cyclictest81rcu_preempt11:44:161
29587993010,7cyclictest4579-21sh07:40:241
2958799300,4cyclictest81rcu_preempt11:48:251
184232301,5sleep10-21swapper/108:16:101
80102291,5sleep10-21swapper/107:50:181
34802291,5sleep10-21swapper/107:39:111
2958799293,9cyclictest23327-21iostat_ios08:30:191
2958799293,18cyclictest24902-21diskstats08:35:141
29587992922,5cyclictest0-21swapper/111:32:151
29587992917,9cyclictest22-21ksoftirqd/110:34:411
2958799291,4cyclictest81rcu_preempt12:38:111
29587992914,8cyclictest4169-21iostat_ios09:05:191
2958699293,14cyclictest15805-21irqstats08:10:200
29586992910,6cyclictest17768-21memory08:15:200
130112291,5sleep10-21swapper/108:03:251
9632281,4sleep10-21swapper/108:55:351
29587992816,9cyclictest22-21ksoftirqd/111:28:551
2958699288,6cyclictest2026-21df07:35:120
2958699281,17cyclictest0-21swapper/008:31:560
29587992711,12cyclictest31018-21needreboot08:50:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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