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2026-02-22 - 08:31
[ 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 Sun Feb 22, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3113423170,3sleep031131-21grep00:05:120
2293022600,3sleep022929-21sort19:20:270
688622570,2sleep06884-21open_files22:30:240
1875122400,3sleep018749-21grep23:15:280
1760821890,2sleep017606-21grep21:05:260
1889421210,4chrt18893-21awk21:10:280
2125621140,4chrt21252-21ntpq21:20:200
1088921110,4chrt10890-21grep22:45:250
197349910978,18cyclictest32758-21/usr/sbin/munin20:00:260
197349910880,16cyclictest4438-21ntp_states20:15:220
823421070,3sleep08283-21netstat20:30:200
197349910781,15cyclictest1353-21cut22:10:020
197349910780,17cyclictest5231-21wc22:25:020
197349910769,13cyclictest21177-21df_inode19:15:140
197349910681,14cyclictest2885-21memory22:15:180
197349910681,13cyclictest17741-21chrt23:12:220
197349910577,15cyclictest3156-21ntp_states20:10:220
197349910477,16cyclictest20493-21chrt19:10:540
197349910471,19cyclictest22374-21ntp_states23:30:220
197349910377,16cyclictest24964-21ntp_states23:40:220
197349910377,15cyclictest23911-21/usr/sbin/munin19:25:170
197349910377,15cyclictest19593-21/usr/sbin/munin23:20:140
197349910377,14cyclictest9307-21sshd22:40:180
197349910374,17cyclictest26695-21timerwakeupswit21:40:300
197349910372,19cyclictest15813-21memory23:05:180
197349910277,15cyclictest9510-21memory20:35:180
197349910277,13cyclictest29570-21seq21:52:370
197349910276,14cyclictest25656-21chrt21:37:180
197349910275,15cyclictest19762-21wc19:10:020
197349910274,17cyclictest31449-21irqstats22:00:180
197349910265,23cyclictest32683-21awk00:10:210
197349910177,13cyclictest7113-21chrt00:36:220
197349910176,14cyclictest3383-21chrt00:22:220
197349910176,14cyclictest27527-21ntp_states23:50:220
197349910175,16cyclictest23736-21memory21:30:180
197349910174,16cyclictest5686-21missed_timers20:20:170
197349910174,15cyclictest16385-21users21:00:300
197349910172,17cyclictest27852-21ntpq19:40:210
1325321010,4sleep013259-21df_inode20:50:130
197349910076,13cyclictest26016-21df23:45:140
197349910073,15cyclictest13436-21sendmail_mailst22:55:260
197349910073,14cyclictest5460-21latency22:25:180
197349910072,15cyclictest30246-21/usr/sbin/munin00:00:260
197349910059,16cyclictest29694-21idleruntime-cro00:00:000
197349910059,15cyclictest5117-21/usr/sbin/munin00:30:310
19734999974,15cyclictest30048-21chrt21:55:140
19734999971,16cyclictest1778-21memory20:05:180
19734999964,21cyclictest15286-21sshd23:03:170
19734999961,24cyclictest14535-21df20:55:130
19734999874,14cyclictest21862-21sshd23:29:180
19734999874,14cyclictest20671-21seq21:18:460
19734999872,15cyclictest4349-21sed00:25:300
19734999872,14cyclictest30120-21latency_hist19:50:020
19734999870,16cyclictest27486-21df_inode21:45:140
19734999867,19cyclictest1486-21ntpq00:15:210
19734999866,17cyclictest23421-21df23:35:130
19734999865,19cyclictest8138-21ntpq22:35:210
19734999861,23cyclictest12014-21tr22:50:200
19734999771,13cyclictest12207-21ntp_states20:45:220
19734999770,17cyclictest32039-21users19:55:300
19734999766,17cyclictest7461-21sshd20:26:180
19734999671,15cyclictest30850-21chrt19:51:100
19734999671,14cyclictest22268-21/usr/sbin/munin21:25:220
19734999571,14cyclictest26475-21/usr/sbin/munin19:35:170
19734999563,20cyclictest10883-21/usr/sbin/munin20:40:210
19734999467,14cyclictest1692-21ntpq22:10:220
19734999464,17cyclictest25000-21/usr/sbin/munin19:30:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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