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2026-02-05 - 06:43
[ 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 #4, slot #6

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.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack4slot6s.osadl.org (updated Thu Feb 05, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2253722610,2sleep022539-21latency23:50:170
2679522570,3sleep026791-21cat19:55:210
1750222030,4sleep017499-21grep19:20:020
3028821490,2sleep030290-21ls00:20:170
2391221170,3chrt23913-21latency_hist19:45:000
2946821150,3sleep029472-21ntp_states20:05:240
2940421120,3chrt29402-21sendmail_mailqu22:10:260
1078821110,3chrt10790-21cpu23:05:110
3228921070,3chrt32288-21sort20:15:300
162222960,3sleep015926-21/usr/sbin/munin23:25:230
161132967,12sleep016128-21munin-run19:15:000
10802955,11sleep01149-21/usr/sbin/munin20:20:280
48002885,9sleep04876-21timerwakeupswit22:40:280
289242860,2sleep028920-21latency_hist22:10:010
123802860,3sleep012378-21proc_pri23:10:240
17062805,9sleep01708-21memory00:35:170
207492796,61sleep020751-21sshd19:30:330
1419527519,31sleep014252-21users19:05:260
14868996120,13cyclictest27531-21/usr/sbin/munin00:10:230
33432600,2sleep03344-21cat20:30:180
14868996036,15cyclictest11339-21/usr/sbin/munin21:00:290
14868996033,16cyclictest7597-21/usr/sbin/munin20:45:280
1486899598,18cyclictest506-21grep00:30:220
14868995935,16cyclictest7133-21/usr/sbin/munin22:50:180
14868995935,15cyclictest21836-21/usr/sbin/munin21:40:280
14868995934,18cyclictest22007-21/usr/sbin/munin19:35:280
14868995913,14cyclictest25120-21/usr/sbin/munin00:00:170
1486899588,16cyclictest22554-21/usr/sbin/munin21:45:270
1486899587,16cyclictest423-21/usr/sbin/munin22:25:280
14868995834,15cyclictest17523-21/usr/sbin/munin23:30:240
14868995832,16cyclictest13424-21/usr/sbin/munin23:15:140
14868995811,18cyclictest9347-21sendmail-msp23:00:010
1486899579,16cyclictest31489-21modprobe22:20:000
1486899578,16cyclictest3441-21systemctl22:35:260
1486899578,16cyclictest18852-21/usr/sbin/munin19:25:160
14868995734,14cyclictest2023-21/usr/sbin/munin20:25:150
14868995734,14cyclictest17968-21/usr/sbin/munin19:20:250
14868995733,15cyclictest25593-21runrttasks19:50:230
14868995710,15cyclictest5950-21memory20:40:170
14868995710,15cyclictest29110-21ntp_states00:15:250
14868995710,15cyclictest21773-21seq23:46:100
1486899569,15cyclictest23833-21/usr/sbin/munin21:50:140
1486899569,15cyclictest14789-21/usr/sbin/munin21:15:200
1486899569,14cyclictest8330-21/usr/sbin/munin20:50:160
1486899568,17cyclictest4700-21grep20:35:180
1486899568,15cyclictest31822-21grep00:25:260
1486899568,15cyclictest26428-21/usr/sbin/munin22:00:180
1486899567,17cyclictest23646-21/usr/sbin/munin23:55:260
1486899567,16cyclictest19962-21/usr/sbin/munin21:35:300
1486899566,18cyclictest1711-21/usr/sbin/munin22:30:190
14868995633,15cyclictest25164-21/usr/sbin/munin21:55:110
14868995632,15cyclictest31885-21/usr/sbin/munin22:20:200
14868995632,15cyclictest25198-21runrttasks19:50:020
14868995631,16cyclictest27153-21runrttasks00:07:590
14868995631,16cyclictest15855-21latency_hist23:25:010
14868995631,15cyclictest30787-21/usr/sbin/munin20:10:290
1486899559,18cyclictest20826-21chrt23:43:570
1486899558,18cyclictest13389-21munin-run21:10:000
1486899557,16cyclictest9612-21/usr/sbin/munin20:55:190
14868995510,17cyclictest276-21runrttasks21:21:120
14868995510,16cyclictest9605-21irqstats23:00:160
1486899548,14cyclictest19666-21munin-run23:40:010
1486899547,13cyclictest18677-21/usr/sbin/munin21:30:130
1486899546,16cyclictest307-21munin-node20:00:110
14868995430,15cyclictest6646-21runrttasks22:49:160
1486899538,18cyclictest14671-21awk21:15:000
14868995330,15cyclictest17481-21/usr/sbin/munin21:25:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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