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2026-03-04 - 19:38
[ 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 #5, slot #3

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 rack5slot3s.osadl.org (updated Wed Mar 04, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115662240164,24sleep20-21swapper/207:09:472
112842238164,25sleep10-21swapper/107:06:071
114252227153,24sleep30-21swapper/307:07:583
112982201166,24sleep00-21swapper/007:06:180
1882121230,3sleep01167299cyclictest12:15:240
1882121230,3sleep01167299cyclictest12:15:240
11687991111,108cyclictest0-21swapper/310:35:483
116879910299,2cyclictest0-21swapper/310:47:563
97882600,4sleep29786-21munin-run10:45:012
189092600,5sleep218913-21cpuspeed_turbos11:05:112
189092600,5sleep218913-21cpuspeed_turbos11:05:112
118822580,1sleep20-21swapper/208:20:172
174562550,3sleep217457-21unixbench-2d09:45:252
241422500,3sleep30-21swapper/307:35:153
132392460,1sleep10-21swapper/107:10:251
1167299371,17cyclictest0-21swapper/010:05:140
1167299331,24cyclictest0-21swapper/010:26:100
1167299331,14cyclictest20544-21tr09:55:120
1167299331,13cyclictest0-21swapper/011:45:140
133482320,1sleep113351-21cut12:05:151
1167299311,15cyclictest24062-21ls11:15:190
1167299311,13cyclictest0-21swapper/010:30:140
1167299311,12cyclictest0-21swapper/011:30:120
1167299301,13cyclictest0-21swapper/012:30:200
1167299301,11cyclictest19502-21/usr/sbin/munin07:25:120
1167299300,12cyclictest0-21swapper/010:55:140
11687992925,3cyclictest0-21swapper/308:35:083
1167699291,9cyclictest0-21swapper/110:42:531
1167299297,10cyclictest21417-21perf12:25:010
1167299291,11cyclictest0-21swapper/010:49:560
1167299291,11cyclictest0-21swapper/009:43:560
1167299290,13cyclictest0-21swapper/012:10:220
1167299290,12cyclictest0-21swapper/011:55:120
1167299290,12cyclictest0-21swapper/007:20:120
1167299281,13cyclictest1602-21idleruntime-cro11:40:010
1167299280,12cyclictest0-21swapper/009:23:520
1168799278,10cyclictest24275-21ntp_states11:15:213
1167699271,9cyclictest0-21swapper/110:49:501
1167299271,11cyclictest0-21swapper/010:12:540
1168799262,21cyclictest88150irq/126-enp1s0-10:41:083
1168799261,9cyclictest823-21snmpd09:22:203
1168799261,10cyclictest22111-21if_enp2s007:30:163
1168799261,10cyclictest22111-21if_enp2s007:30:163
1167699261,9cyclictest0-21swapper/111:21:261
1167699261,10cyclictest0-21swapper/112:26:541
1167699260,8cyclictest23-21ksoftirqd/110:58:151
1167699260,18cyclictest0-21swapper/108:41:281
1167699260,16cyclictest0-21swapper/109:36:261
11672992611,3cyclictest0-21swapper/011:07:060
11672992611,3cyclictest0-21swapper/011:07:060
1167299261,11cyclictest0-21swapper/009:45:200
11672992610,3cyclictest13590-21ls10:50:240
1167299260,12cyclictest0-21swapper/009:10:260
1167699255,11cyclictest88350irq/128-enp1s0-10:31:521
1167699253,3cyclictest7419-21kworker/u8:211:05:241
1167699253,3cyclictest7419-21kworker/u8:211:05:241
1167699251,9cyclictest0-21swapper/110:04:041
1167699251,6cyclictest0-21swapper/110:16:191
1167699251,17cyclictest0-21swapper/112:10:161
1167299259,3cyclictest27857-21chrt12:38:280
1167299259,14cyclictest14826-21perf12:10:010
1167299258,3cyclictest91472sleep009:29:550
1167299251,11cyclictest0-21swapper/012:25:540
1168799248,3cyclictest0-21swapper/312:06:283
1168799245,9cyclictest88150irq/126-enp1s0-11:45:233
1168799242,10cyclictest27785-21interrupts10:10:183
1168799241,9cyclictest19494-21switchtime09:50:243
1168799241,11cyclictest0-21swapper/308:10:163
1167699247,4cyclictest0-21swapper/112:38:051
1167699242,6cyclictest28481-21kworker/1:108:23:041
1167699241,6cyclictest0-21swapper/111:33:321
11676992415,3cyclictest0-21swapper/109:07:401
1167699241,3cyclictest0-21swapper/109:42:051
1167699241,17cyclictest0-21swapper/109:19:551
1167699241,17cyclictest0-21swapper/108:48:481
1167699241,17cyclictest0-21swapper/108:48:481
1167699241,15cyclictest0-21swapper/112:17:371
1167699241,15cyclictest0-21swapper/112:17:371
1167299247,2cyclictest496-21jbd2/dm-0-809:30:160
1167299246,2cyclictest0-21swapper/010:15:200
1167299241,6cyclictest0-21swapper/009:53:280
11672992412,3cyclictest0-21swapper/010:21:020
1167299241,1cyclictest0-21swapper/010:40:220
1168799239,3cyclictest16793-21if_err_enp2s009:45:173
1168799231,9cyclictest22175-21proc_pri11:10:233
1168799231,5cyclictest0-21swapper/309:59:353
1168799231,20cyclictest0-21swapper/310:08:263
1168799231,16cyclictest0-21swapper/309:34:103
1168799231,10cyclictest26831-21irqstats12:35:163
1168799230,9cyclictest0-21swapper/309:00:213
1167699233,3cyclictest26036-21kworker/u8:209:20:191
11676992317,3cyclictest28646-21sort09:00:111
11676992314,3cyclictest0-21swapper/111:47:401
11676992314,3cyclictest0-21swapper/108:31:051
1167699231,3cyclictest7819-21users11:50:251
11676992313,3cyclictest0-21swapper/111:40:191
1167699231,19cyclictest32120-21perf07:55:011
1167699231,16cyclictest0-21swapper/112:23:411
1167699231,16cyclictest0-21swapper/110:08:551
1167699231,10cyclictest0-21swapper/109:54:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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