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2026-02-02 - 07:57
[ 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 100 highest latencies:
System rack4slot6s.osadl.org (updated Mon Feb 02, 2026 00:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2694521200,4chrt26946-21/usr/sbin/munin00:30:280
1924021170,3chrt19242-21idleruntime-cro21:55:010
1790821120,4chrt17907-21/usr/sbin/munin19:40:250
2787821110,4sleep027879-21/usr/sbin/munin20:20:140
2016921110,3sleep020170-21netstat00:05:170
1237121100,3chrt12369-21sort21:25:190
1152621070,4chrt11527-21switchtime19:15:270
212321020,3sleep02121-21ntp_states22:55:240
2915821010,3sleep029160-21cpu20:25:120
255662990,3sleep025568-21ntp_states22:20:220
176752980,4sleep017740-21/usr/sbin/munin23:55:260
16922980,3sleep01706-21latency_hist22:55:000
7722900,3sleep0831-21ntp_kernel_pll_20:40:200
100762900,3sleep010144-21grep21:15:280
164862890,4sleep016504-21awk19:35:260
269752880,4sleep027036-21switchtime20:15:260
123572870,2sleep012360-21cpu19:20:110
98352850,4sleep09875-21ntpq23:25:200
152202820,3sleep015279-21processes19:30:250
9635997224,15cyclictest22557-21/usr/sbin/munin00:15:140
958327218,30sleep09612-21modprobe19:10:000
9635996527,14cyclictest31314-21runrttasks22:42:420
46152653,51sleep00-21swapper20:55:200
9635996312,17cyclictest24104-21irqstats22:15:170
963599619,16cyclictest28246-21awk00:35:270
9635996134,17cyclictest15650-21/usr/sbin/munin21:40:130
963599609,19cyclictest4438-21/usr/sbin/munin23:05:230
963599609,17cyclictest6350irq/103-63fec0000:25:130
963599607,18cyclictest8786-21/usr/sbin/munin21:10:260
963599598,17cyclictest6996-21/usr/sbin/munin23:15:180
9635995934,15cyclictest24307-21/usr/sbin/munin20:05:240
9635995927,23cyclictest21876-21/usr/sbin/munin22:05:270
9635995911,16cyclictest31911-21memory22:45:190
963599589,16cyclictest20059-21/usr/sbin/munin19:50:110
963599589,15cyclictest27842-21/usr/sbin/munin22:30:150
963599589,14cyclictest14759-21/usr/sbin/munin23:45:180
963599588,19cyclictest20094-21/usr/sbin/munin22:00:130
963599588,16cyclictest31722-21/usr/sbin/munin20:35:150
9635995835,14cyclictest1905-21/usr/sbin/munin20:45:120
9635995833,15cyclictest18969-21/usr/sbin/munin19:45:180
9635995830,18cyclictest0-21swapper23:10:090
9635995829,18cyclictest11482-21/usr/sbin/munin23:30:300
9635995812,15cyclictest23314-21/usr/sbin/munin20:00:340
9635995810,19cyclictest12313-21irqstats23:35:170
963599579,16cyclictest25277-21/usr/sbin/munin20:10:160
963599579,16cyclictest22676-21/usr/sbin/munin22:10:270
963599579,15cyclictest21273-21df_inode00:10:130
963599577,17cyclictest11206-21ntp_states21:20:200
963599577,16cyclictest18639-21/usr/sbin/munin00:00:250
9635995731,16cyclictest9287-21runrttasks23:23:310
9635995730,16cyclictest6144-21/usr/sbin/munin21:00:250
963599569,17cyclictest24975-21munin-run00:24:590
963599569,17cyclictest10022-21ntp_states19:10:220
963599567,16cyclictest7026-21/usr/sbin/munin21:05:290
9635995633,14cyclictest13745-21/usr/sbin/munin19:25:160
9635995632,15cyclictest27520-21runrttasks22:28:240
9635995631,15cyclictest14249-21runrttasks21:31:440
9635995628,18cyclictest13909-21runrttasks23:40:240
963599559,15cyclictest3137-21/usr/sbin/munin20:50:240
963599557,15cyclictest30711-21/usr/sbin/munin20:30:210
963599557,15cyclictest16799-21egrep21:45:100
9635995532,15cyclictest19967-21idleruntime-cro22:00:000
9635995530,16cyclictest21928-21/usr/sbin/munin19:55:280
963599549,15cyclictest16052-21grep23:50:110
9635995429,16cyclictest30349-21latency_hist22:40:020
9635995410,18cyclictest3280-21irqstats23:00:160
963599527,12cyclictest151692sleep021:38:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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