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2026-02-04 - 12:35
[ 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 highest latencies:
System rack4slot6s.osadl.org (updated Wed Feb 04, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1182721210,2sleep011829-21awk23:55:280
1865721180,2chrt18654-21sshd00:22:330
2763421170,4chrt27633-21/usr/sbin/munin20:45:280
2198021160,4chrt21981-21/usr/sbin/munin00:35:260
2380021150,3chrt23801-21sshd22:36:320
1539521150,3chrt15393-21df_inode22:05:150
1314021150,3chrt13141-21timerandwakeup00:00:270
574221050,3chrt5743-21sshd21:26:330
391921050,4chrt3917-21df_inode19:15:110
24819910374,15cyclictest3774-21memory23:25:170
24819910270,19cyclictest21957-21/usr/sbin/munin20:25:210
24819910172,18cyclictest3723-21/usr/sbin/munin21:20:300
24819910172,17cyclictest8216-21sshd23:41:410
24819910171,17cyclictest32131-21apt-config23:10:050
24819910073,16cyclictest21507-21seq20:22:210
2051121000,4sleep020536-21munin-run20:20:010
2481999972,14cyclictest2483-21/usr/sbin/munin23:20:170
2481999970,19cyclictest19166-21/usr/sbin/munin00:25:140
114482990,5sleep011498-21df21:50:110
2481999870,16cyclictest10239-21forks21:45:130
2481999867,20cyclictest9739-21sshd21:42:330
2481999865,21cyclictest32282-21/usr/sbin/munin21:05:180
23722980,4sleep02373-21sshd19:09:330
2481999771,14cyclictest20794-21ntp_states22:25:210
2481999770,16cyclictest24711-21memory20:35:170
2481999766,18cyclictest28684-21ntp_states20:50:210
2481999669,16cyclictest18592-21/usr/sbin/munin20:10:290
2481999661,19cyclictest8934-21memory23:45:180
172592960,3sleep016792-21/usr/sbin/munin20:05:280
2481999571,14cyclictest9362-21proc_pri19:35:260
2481999570,15cyclictest25155-21seq22:41:530
2481999570,14cyclictest6707-21/usr/sbin/munin19:25:180
2481999569,16cyclictest22856-21chrt22:34:210
2481999469,14cyclictest16906-21ntp_states22:10:210
2481999469,14cyclictest12216-21/usr/sbin/munin19:45:300
2481999467,16cyclictest16604-21chrt20:04:330
2481999451,19cyclictest26944-21/usr/sbin/munin22:50:290
2481999369,14cyclictest18230-21pluginstate22:15:260
2481999369,13cyclictest14697-21seq22:00:530
2481999368,16cyclictest3261-21chrt21:17:290
2481999368,15cyclictest8318-21seq21:36:370
2481999268,13cyclictest30217-21chrt23:01:020
2481999266,15cyclictest23650-21sendmail_mailst20:30:250
2481999266,15cyclictest1950-21chrt21:12:210
2481999262,17cyclictest31685-21seq23:07:330
2481999167,15cyclictest10883-21sed19:40:260
2481999167,14cyclictest12985-21/usr/sbin/munin19:50:150
2481999165,16cyclictest28882-21seq22:55:530
2481999164,16cyclictest19407-21memory22:20:170
2481999156,13cyclictest11214-21latency_hist23:55:000
2481999151,28cyclictest14805-21sshd19:55:330
2481999068,13cyclictest17662-21munin-run00:20:010
2481999066,14cyclictest31055-21df_inode21:00:130
2481999065,15cyclictest5277-21/usr/sbin/munin19:20:140
2481999065,14cyclictest3285-21chrt19:11:180
2481999064,14cyclictest7941-21wc19:30:180
2481999063,16cyclictest25712-21df22:45:120
2481999062,16cyclictest4931-21sh23:30:130
2481999056,20cyclictest6479-21runrttasks21:30:170
2481999055,21cyclictest13964-21df00:05:120
2481998966,13cyclictest15384-21memory00:10:170
2481998965,15cyclictest6213-21df_inode23:35:130
2481998964,14cyclictest13954-21grep22:00:010
2481998957,18cyclictest288-21snmpd20:55:260
2481998956,20cyclictest25834-21/usr/sbin/munin20:40:170
2481998663,13cyclictest1037-21df_inode23:15:130
2481998658,18cyclictest20616-21ntp_kernel_err00:30:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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