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2026-02-25 - 09:39
[ 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 Wed Feb 25, 2026 00:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3105021480,2sleep031053-21sed19:40:280
2005021240,3sleep020048-21grep23:10:200
1103521200,3chrt11030-21ntp_states22:35:250
2887321180,3sleep028875-21run-parts21:40:000
2283221170,3chrt22829-21ntp_states21:15:220
1890221060,4chrt18903-21which23:05:230
3045221020,4sleep030498-21grep23:50:230
1589221010,3sleep015899-21cpu22:55:100
41502970,3sleep04169-21kworker/u2:222:10:010
56572960,4sleep05721-21/usr/sbin/munin00:20:200
254552920,4sleep025497-21/usr/sbin/munin19:20:150
48772896,9sleep04889-21/usr/sbin/munin22:10:290
230672880,3sleep023148-21mailstats19:10:260
81702804,60sleep08220-21df22:25:110
99162787,56sleep09914-21ntp_states20:25:220
256152750,4sleep025684-21timerwakeupswit21:25:260
2184727119,30sleep021920-21timerandwakeup19:05:240
2261399619,17cyclictest9311-21/usr/sbin/munin00:35:140
64582603,9sleep00-21swapper22:17:460
22613996027,23cyclictest7776-21runrttasks22:22:490
2261399599,17cyclictest27880-21/usr/sbin/munin19:30:290
22613995934,15cyclictest4594-21/usr/sbin/munin20:05:150
22613995930,21cyclictest25230-21runrttasks19:20:020
22613995910,16cyclictest21578-21awk23:15:260
2261399589,17cyclictest26422-21/usr/sbin/munin21:30:160
2261399588,18cyclictest19955-21/usr/sbin/munin21:05:190
2261399588,16cyclictest1732-21grep00:05:170
22613995833,16cyclictest11057-21/usr/sbin/munin20:30:150
22613995832,17cyclictest22899-21/usr/sbin/munin23:20:270
22613995810,16cyclictest16069-21/usr/sbin/munin20:50:090
22613995810,15cyclictest27589-21/usr/sbin/munin23:40:180
2261399579,16cyclictest31896-21irqstats19:45:160
2261399579,16cyclictest29164-21/usr/sbin/munin19:35:160
2261399579,16cyclictest1714-21/usr/sbin/munin22:00:150
2261399579,15cyclictest8349-21/usr/sbin/munin20:20:140
2261399579,15cyclictest4146-21/usr/sbin/munin00:15:150
2261399579,15cyclictest12045-21/usr/sbin/munin22:40:270
2261399578,17cyclictest276-21runrttasks20:00:250
2261399578,16cyclictest28868-21/usr/sbin/munin23:45:270
2261399578,16cyclictest14614-21/usr/sbin/munin22:50:190
2261399578,15cyclictest1572-21ls22:00:000
2261399577,18cyclictest5746-21/usr/sbin/munin20:10:150
2261399577,16cyclictest32620-21sendmail00:00:010
22613995735,14cyclictest19063-21/usr/sbin/munin21:00:260
22613995733,16cyclictest27075-21/usr/sbin/munin19:25:260
22613995733,15cyclictest12589-21/usr/sbin/munin20:35:250
22613995732,15cyclictest25079-21/usr/sbin/munin23:30:140
22613995731,17cyclictest13718-21/usr/sbin/munin22:45:240
22613995731,16cyclictest29307-21ntp_states21:40:220
22613995729,17cyclictest31117-21runrttasks21:47:160
2261399568,15cyclictest2355-21/usr/sbin/munin19:55:260
2261399567,16cyclictest7032-21grep20:15:100
2261399567,16cyclictest23715-21/usr/sbin/munin23:25:190
2261399567,15cyclictest3124-21ntpq00:10:200
22613995633,16cyclictest22198-21runrttasks21:13:210
22613995633,14cyclictest8216-21/usr/sbin/munin00:30:190
22613995633,13cyclictest7023-21/usr/sbin/munin00:25:190
22613995632,15cyclictest1347-21runrttasks19:51:500
22613995631,16cyclictest1307-21runrttasks00:03:510
22613995631,15cyclictest17338-21/usr/sbin/munin23:00:170
22613995630,16cyclictest26503-21/usr/sbin/munin23:35:190
22613995630,15cyclictest23858-21/usr/sbin/munin21:20:120
22613995625,21cyclictest31856-21ntpq21:50:190
2261399557,15cyclictest13504-21/usr/sbin/munin20:40:250
22613995531,15cyclictest17945-21/usr/sbin/munin20:55:280
22613995330,13cyclictest87-21jbd2/mmcblk0p1-20:45:070
22613995329,15cyclictest9603-21/usr/sbin/munin22:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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