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2026-02-14 - 11:36
[ 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 100 highest latencies:
System rack9slot4s (updated Sat Feb 14, 2026 00:59:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40279911881172,13cyclictest0-21swapper/119:25:161
40269911011063,24cyclictest0-21swapper/019:25:210
36642649602,32sleep10-21swapper/119:21:471
36462558513,30sleep00-21swapper/019:21:360
2685621140,8sleep0402699cyclictest00:45:230
2529721040,3sleep0111rcuc/021:23:280
147512790,3sleep114752-21sh22:19:431
121462710,3sleep112147-21sh00:30:161
4027995821,4cyclictest22-21ksoftirqd/122:47:151
4027995615,6cyclictest22-21ksoftirqd/123:06:461
4027995614,6cyclictest22-21ksoftirqd/123:49:201
402799557,6cyclictest22-21ksoftirqd/123:34:481
4027995517,7cyclictest22-21ksoftirqd/123:35:271
4027995417,6cyclictest22-21ksoftirqd/121:50:301
4027995417,6cyclictest22-21ksoftirqd/120:40:251
4027995416,6cyclictest22-21ksoftirqd/121:20:271
4027995416,5cyclictest22-21ksoftirqd/100:00:221
402799538,6cyclictest22-21ksoftirqd/123:29:331
402799538,6cyclictest22-21ksoftirqd/100:26:431
402799538,5cyclictest22-21ksoftirqd/122:00:391
402799537,6cyclictest22-21ksoftirqd/123:02:051
4027995316,5cyclictest22-21ksoftirqd/120:00:231
4027995315,5cyclictest22-21ksoftirqd/100:15:301
402799527,6cyclictest22-21ksoftirqd/100:22:411
402799526,6cyclictest22-21ksoftirqd/100:08:361
4027995235,4cyclictest40550irq/92-i91519:31:481
4027995215,6cyclictest22-21ksoftirqd/123:22:521
4027995215,6cyclictest22-21ksoftirqd/120:20:201
402799518,5cyclictest22-21ksoftirqd/121:19:311
402799516,5cyclictest22-21ksoftirqd/100:49:181
4027995114,6cyclictest22-21ksoftirqd/123:12:521
4027995114,6cyclictest22-21ksoftirqd/121:10:121
402799506,6cyclictest22-21ksoftirqd/123:50:371
402799506,6cyclictest22-21ksoftirqd/100:11:201
402799506,5cyclictest22-21ksoftirqd/121:43:331
4027995023,4cyclictest22-21ksoftirqd/121:46:551
4027995022,5cyclictest22-21ksoftirqd/122:32:251
4027995014,5cyclictest22-21ksoftirqd/100:40:301
4027995013,6cyclictest22-21ksoftirqd/120:25:291
4027995011,6cyclictest22-21ksoftirqd/121:55:161
4027994921,5cyclictest22-21ksoftirqd/123:59:011
4027994915,6cyclictest22-21ksoftirqd/121:35:301
4027994915,5cyclictest22-21ksoftirqd/119:40:241
402799489,5cyclictest22-21ksoftirqd/122:20:111
4027994817,10cyclictest22-21ksoftirqd/120:05:281
4027994814,5cyclictest22-21ksoftirqd/122:55:121
4027994814,4cyclictest22-21ksoftirqd/122:43:221
4027994813,6cyclictest22-21ksoftirqd/122:37:181
4027994812,5cyclictest22-21ksoftirqd/100:51:201
4027994811,6cyclictest22-21ksoftirqd/100:35:131
4027994717,10cyclictest22-21ksoftirqd/120:30:211
4027994717,10cyclictest22-21ksoftirqd/119:45:181
402799471,6cyclictest10288-21cron19:40:001
4027994714,5cyclictest22-21ksoftirqd/122:06:051
4027994713,5cyclictest22-21ksoftirqd/123:19:211
4027994711,6cyclictest22-21ksoftirqd/123:42:451
4027994625,5cyclictest22-21ksoftirqd/121:33:561
157712460,5sleep04024-21cyclictest21:46:240
4027994522,5cyclictest22-21ksoftirqd/121:28:001
4027994521,4cyclictest22-21ksoftirqd/120:55:221
4027994517,4cyclictest22-21ksoftirqd/122:25:391
4027994515,10cyclictest22-21ksoftirqd/122:50:301
4027994510,6cyclictest22-21ksoftirqd/122:14:211
4027994310,5cyclictest22-21ksoftirqd/121:03:191
402799426,5cyclictest22-21ksoftirqd/120:15:111
402799425,5cyclictest22-21ksoftirqd/120:45:101
4027994225,4cyclictest22-21ksoftirqd/120:35:211
4027994224,4cyclictest22-21ksoftirqd/119:55:161
4027994224,4cyclictest22-21ksoftirqd/119:50:221
4027994213,6cyclictest22-21ksoftirqd/121:06:211
52832410,9sleep0402699cyclictest21:35:290
402699417,5cyclictest28023-21latency_hist22:00:000
4026994111,9cyclictest3-21ksoftirqd/023:21:320
4026994021,6cyclictest19633-21cron00:05:010
121502401,35sleep012160-21ssh21:43:130
402799391,6cyclictest21811-21/usr/sbin/munin20:10:101
4026993922,8cyclictest3-21ksoftirqd/000:55:010
402799381,6cyclictest4509-21/usr/sbin/munin20:50:111
402699389,26cyclictest3-21ksoftirqd/021:28:060
402699388,11cyclictest30496-21packagekitd23:15:270
31842385,29sleep03190-21sh22:07:010
125322381,32sleep030497-21gdbus23:56:450
402699365,5cyclictest23572-21fschecks_count23:35:160
402699363,30cyclictest0-21swapper/023:45:160
402699362,5cyclictest0-21swapper/022:15:160
402699362,5cyclictest0-21swapper/021:33:150
4026993615,5cyclictest8424-21ssh22:12:330
402699356,16cyclictest0-21swapper/020:14:490
402699353,28cyclictest0-21swapper/000:07:550
4026993529,4cyclictest138250irq/90-eth023:29:510
306672351,5sleep02206-21dbus-daemon20:31:540
260782351,30sleep026096-21iostat20:20:210
402699347,13cyclictest504-21pidof22:38:000
402699345,7cyclictest7802-21ssh00:25:240
402699344,4cyclictest81rcu_preempt22:50:110
402699344,4cyclictest81rcu_preempt22:00:430
402699344,4cyclictest81rcu_preempt00:20:000
402699341,29cyclictest2403-21irqbalance21:15:550
402699341,16cyclictest21211-21latency_hist00:40:010
402699333,4cyclictest81rcu_preempt22:56:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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