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2026-02-14 - 12:25
[ 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 #b, slot #7

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.

Note that this system runs a non-RT kernel.
Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot7s.osadl.org (updated Sat Feb 14, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3998268214,651sleep34039-21/usr/sbin/munin19:40:093
3998268214,651sleep34039-21/usr/sbin/munin19:40:093
278102644574,49sleep327901-21sshd19:14:533
29480258912,559sleep329546-21memory21:00:183
12966255515,523sleep112985-21apt-get21:50:001
19899247380,378sleep119966-21switchtime20:30:191
30823238411,357sleep130838-21apt-get00:30:001
382223646,344sleep13863-21ntpq21:20:151
1807923618,277sleep118127-21grep22:05:141
91623206,304sleep113441-21snmpd00:36:101
32083227915,248sleep332161-21/usr/sbin/munin19:25:193
27910225781,56sleep10-21swapper/100:20:151
24014225316,218sleep324060-21latency_hist20:44:513
1622822448,220sleep116238-21find20:20:011
19254223735,90sleep119394-21latency_hist23:54:511
19254223735,90sleep119394-21latency_hist23:54:511
15801222834,132sleep115824-21modprobe21:59:491
21102222488,114sleep121103-21/usr/sbin/munin20:35:001
5537221917,67sleep10-21swapper/123:10:081
30566221736,97sleep130783-21date00:29:521
27623221531,170sleep10-21swapper/120:55:151
27623221531,170sleep10-21swapper/120:55:151
807220715,173sleep1947-21unixbench_singl21:10:341
30509220715,169sleep030649-21latency_hist21:04:510
31351220118,165sleep131477-21latency_hist19:24:531
23175218810,126sleep123240-21awk20:40:171
30112217331,130sleep130125-21basename22:45:001
4540217224,123sleep24673-21grep19:40:212
4540217224,123sleep24673-21grep19:40:212
28766217217,79sleep228780-21idleruntime-cro00:24:482
385217113,137sleep1396-21modprobe19:29:501
7355216219,116sleep10-21swapper/119:50:171
15933215717,55sleep115978-21modprobe20:19:491
29900215655,86sleep129975-21sshd22:44:521
27576214624,103sleep127680-21unin-run19:14:511
31282214341,84sleep10-21swapper/121:05:211
22390214018,105sleep222444-21awk20:39:492
9136213937,85sleep10-21swapper/123:20:181
25446213529,84sleep30-21swapper/319:05:253
22822213570,28sleep122847-21cpu00:05:051
16108213422,93sleep216176-21latency_hist23:44:502
2616213330,91sleep10-21swapper/123:00:111
13794213331,84sleep10-21swapper/120:10:201
4174213010,74sleep10-21swapper/123:05:111
2333221305,27sleep10-21swapper/122:21:101
1829212812,22sleep30-21swapper/321:15:003
962621265,11sleep10-21swapper/119:58:531
21927212620,20sleep10-21swapper/100:00:201
1673821258,105sleep116769-21ntpq23:45:141
7378212415,90sleep27427-21ntpq23:15:142
27271212425,19sleep127404-21sed00:19:511
14481212418,91sleep114521-21sendmail23:39:481
3773212234,14sleep10-21swapper/119:39:591
3773212234,14sleep10-21swapper/119:39:591
22117212232,69sleep322165-21latency_hist22:19:503
22117212232,69sleep322165-21latency_hist22:19:503
19688212223,14sleep10-21swapper/123:55:071
2540921205,11sleep10-21swapper/100:12:031
9745211920,84sleep39796-21fschecks_count21:40:083
779211922,14sleep10-21swapper/122:55:061
4352211914,22sleep00-21swapper/019:40:190
4352211914,22sleep00-21swapper/019:40:190
5345211822,13sleep10-21swapper/119:45:041
20860211711,92sleep220939-21fschecks_time22:15:092
20860211711,92sleep220939-21fschecks_time22:15:092
25989211623,55sleep10-21swapper/120:50:101
2177121165,10sleep10-21swapper/122:16:291
2177121165,10sleep10-21swapper/122:16:291
2963021156,28sleep10-21swapper/119:18:351
24556211418,12sleep10-21swapper/120:45:141
479211221,15sleep10-21swapper/122:54:501
10060211217,17sleep10-21swapper/121:40:141
30376211118,77sleep330476-21apt-key00:29:503
1126421105,41sleep10-21swapper/120:04:351
8391210913,80sleep08536-21latency_hist23:19:520
593321096,43sleep10-21swapper/121:25:491
15304210913,19sleep10-21swapper/123:40:171
27140210621,68sleep327283-21latency_hist20:54:533
24660210619,24sleep10-21swapper/122:25:221
1298621068,17sleep10-21swapper/123:34:521
1298621068,17sleep10-21swapper/123:34:521
25583210416,71sleep025724-21date20:49:530
2968621029,81sleep129758-21mailstats21:00:241
29144210214,69sleep228634-21apt-get21:00:012
1609821027,82sleep116117-21apt-get22:00:011
9777210117,55sleep30-21swapper/319:59:523
23666210124,47sleep323805-21latency_hist22:24:513
20940210114,67sleep321016-21/usr/sbin/munin23:59:503
19833210013,69sleep019898-21mailstats20:30:180
2432429914,29sleep224331-21df_inode20:45:072
2141329924,58sleep321435-21kernelversion20:35:223
18682997,12sleep10-21swapper/121:15:101
75442967,12sleep10-21swapper/121:31:381
2559229611,66sleep10-21swapper/122:30:101
126962965,48sleep10-21swapper/120:08:061
126962965,48sleep10-21swapper/120:08:061
102632969,72sleep210337-21find21:40:192
3205029518,60sleep232082-21/usr/sbin/munin19:25:182
2430229510,73sleep224332-21tr22:25:142
1261529515,65sleep112785-21apt-config21:49:511
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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