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2026-02-12 - 06:23
[ 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 Thu Feb 12, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29494245037,394sleep129529-21idleruntime-cro19:59:561
18526241810,359sleep118524-21apt-get22:50:091
18526241810,359sleep118524-21apt-get22:50:091
12037237478,279sleep112191-21unixbench_multi20:45:281
604723117,270sleep113441-21snmpd23:52:211
12052301158,95sleep11355-21unixbench_singl20:10:301
16159229345,192sleep10-21swapper/119:15:211
14047229353,112sleep114068-21apt00:19:561
308224814,219sleep0310-21grep23:35:110
31315222974,141sleep131334-21fschecks_count23:30:161
31315222974,141sleep131334-21fschecks_count23:30:161
24069222813,196sleep10-21swapper/121:24:581
2321822227,132sleep10-21swapper/123:05:111
18786222023,182sleep118932-21wc00:34:581
1346622147,195sleep113441-21snmpd19:09:151
1716221323,169sleep31734-21awk20:14:563
25681220911,159sleep125750-21swap19:45:261
15261220512,170sleep10-21swapper/100:20:281
22275220344,42sleep10-21swapper/123:00:271
19308220210,151sleep119412-21latency_hist21:10:001
28050220130,85sleep10-21swapper/121:35:281
23191219611,169sleep023210-21apt-get23:05:060
4275219456,90sleep14427-21unixbench_multi20:20:281
4275219456,90sleep14427-21unixbench_multi20:20:281
9760218236,108sleep19828-21fschecks_time00:05:131
10228218111,132sleep11-21systemd22:24:561
10228218111,132sleep11-21systemd22:24:561
31832218029,103sleep10-21swapper/121:49:581
31832218029,103sleep10-21swapper/121:49:581
17221217311,69sleep117281-21latency_hist00:29:571
100152173123,35sleep10-21swapper/120:40:191
2810321718,119sleep128124-21apt-get23:20:061
19893217117,136sleep019907-21sshd21:10:230
19600216034,86sleep10-21swapper/121:10:081
16279215721,19sleep20-21swapper/219:15:262
10520215615,129sleep110566-21grep22:25:121
25133215419,85sleep10-21swapper/123:10:201
13084215232,105sleep113130-21cat20:50:171
7164215052,22sleep10-21swapper/122:14:591
32540214628,103sleep132594-21processes21:50:271
32540214628,103sleep132594-21processes21:50:271
849221448,100sleep18528-21ntpq00:00:211
1667214414,115sleep21598-21latency_hist23:39:582
6794214050,43sleep10-21swapper/123:55:161
26384214088,36sleep10-21swapper/123:15:131
20234214028,21sleep10-21swapper/119:29:591
18897214014,111sleep318916-21apt-get19:25:083
32332213716,109sleep10-21swapper/120:06:101
4213213613,40sleep04341-21uptime23:45:290
3055321349,85sleep130695-21unixbench_singl20:00:291
1800621349,84sleep118049-21gpgv22:49:561
22475213119,93sleep00-21swapper/019:35:230
22475213119,93sleep00-21swapper/019:35:230
15442213034,79sleep10-21swapper/120:56:231
2688212814,98sleep22823-21awk20:15:282
2688212814,98sleep22823-21awk20:15:282
221921288,86sleep113441-21snmpd21:57:211
11805212625,77sleep011329-21/usr/sbin/munin20:45:230
309821259,79sleep13110-21needreboot22:00:201
21727212430,73sleep10-21swapper/119:34:561
5603212211,95sleep15664-21latency_hist22:09:581
9583212036,41sleep10-21swapper/120:39:591
4745211914,88sleep34753-21/usr/sbin/munin22:05:233
27999211725,53sleep127969-21latency_hist19:54:591
27999211725,53sleep127969-21latency_hist19:54:591
20081211718,85sleep220096-21cpu22:55:102
18675211731,49sleep118684-21munin-run19:24:581
7658211515,82sleep27747-21/usr/sbin/munin22:15:202
485211427,41sleep10-21swapper/123:35:161
27736211418,70sleep227893-21cat23:19:582
30378211118,71sleep330531-21unixbench_multi23:25:293
17842211018,74sleep317866-21/usr/sbin/munin19:20:283
934121095,10sleep00-21swapper/020:38:000
12857210914,77sleep312915-21fschecks_count00:15:173
30608210823,66sleep330641-21fschecks_count21:45:163
30608210823,66sleep330641-21fschecks_count21:45:163
2631521086,90sleep126349-21ps21:30:231
19632210818,77sleep319633-21cpu21:10:143
1894210829,67sleep11889-21apt-get23:40:091
12712210817,74sleep012718-21ntp_states19:05:230
25618210610,81sleep125742-21latency_hist21:29:591
28156210527,42sleep00-21swapper/023:20:250
2459210525,44sleep12466-21sshd20:15:231
2459210525,44sleep12466-21sshd20:15:231
13376210516,65sleep213444-21latency_hist22:34:592
11829210418,69sleep211919-21latency_hist22:29:582
1525221028,75sleep00-21swapper/020:55:290
22733210127,48sleep322752-21apt-get21:20:073
19089210122,58sleep219107-21idleruntime-cro21:09:562
2704429914,65sleep027180-21unixbench_singl23:15:280
2489129918,39sleep10-21swapper/119:44:571
2166029913,71sleep221724-21cpuspeed23:00:112
2069329911,41sleep10-21swapper/122:55:261
905229818,62sleep39108-21tune2fs22:20:143
905229818,62sleep39108-21tune2fs22:20:143
306962980,12sleep20-21swapper/220:00:292
1746029818,65sleep217603-21unixbench_singl22:45:292
566729721,53sleep00-21swapper/023:50:260
2561829717,61sleep00-21swapper/019:45:250
2203529725,32sleep10-21swapper/121:15:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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