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2026-03-06 - 09:44
[ 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 #5, slot #7

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: 50.5 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot7s.osadl.org (updated Fri Mar 06, 2026 00:45:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18351224172175,96sleep00-21swapper19:09:510
184119916119,116cyclictest19213-21munin-node19:15:110
184119916117,100cyclictest4301-21apt-get21:06:290
184119915918,37cyclictest27277-21munin-run23:25:040
184119915844,92cyclictest29471-21/usr/sbin/munin23:35:460
184119915835,20cyclictest21703-21/usr/sbin/munin22:50:440
184119915816,22cyclictest19624-21diskstats19:15:350
184119915814,115cyclictest27275-21apt-get23:26:540
184119915716,99cyclictest1434-21memory20:45:440
184119915617,116cyclictest24928-21df_inode19:50:270
184119915617,116cyclictest10139-21apt-get21:40:470
184119915616,24cyclictest23606-21memory23:00:450
184119915613,27cyclictest19180-21sshd22:34:200
184119915611,118cyclictest3052-21apt-get00:16:290
184119915522,105cyclictest27235-21apt-get20:05:220
184119915516,38cyclictest9551-21diskstats21:35:310
184119915513,117cyclictest2972-21head00:11:020
184119915417,25cyclictest31612-21apt-get23:50:180
184119915414,26cyclictest32503-21df23:55:250
184119915414,116cyclictest20725-21munin-run19:25:030
184119915330,103cyclictest27004-21timerandwakeup20:01:000
184119915319,28cyclictest28341-21ntp_states20:10:490
184119915317,26cyclictest13700-21apt-get22:00:190
184119915317,24cyclictest5533-21df21:10:330
184119915316,112cyclictest6835-21memory00:35:410
184119915312,25cyclictest16782-21modprobe22:20:000
184119915219,26cyclictest30349-21apt20:25:000
184119915214,115cyclictest5790-21snmpd00:06:000
18411991519,118cyclictest6651-21fgrep21:15:560
184119915119,108cyclictest11293-21apt-get21:45:140
184119915117,25cyclictest2304-21ntp_states20:50:500
184119915117,112cyclictest23249-21munin-run23:00:020
184119915110,24cyclictest31456-21sed23:46:030
184119915019,104cyclictest4220-21apt-get00:20:260
184119915017,109cyclictest19951-21users22:36:080
184119915015,24cyclictest21618-21apt-get19:30:170
184119915015,112cyclictest24261-21df23:05:250
184119915015,110cyclictest25197-21memory23:10:440
184119915014,23cyclictest30738-21/usr/sbin/munin20:25:490
184119915013,25cyclictest29418-21sort20:16:020
184119915013,112cyclictest32037-21/usr/sbin/munin20:35:230
184119915012,116cyclictest3809-21latency21:00:400
184119915011,113cyclictest7213-21if_eth021:20:360
184119915010,117cyclictest20822-21/usr/sbin/munin19:26:000
18411991499,22cyclictest5790-21snmpd23:31:440
184119914922,20cyclictest17290-21processes22:20:570
184119914915,111cyclictest31419-21irqstats20:30:450
184119914913,23cyclictest22408-21/usr/sbin/munin19:35:440
184119914910,26cyclictest26210-21mailstats23:15:580
184119914910,115cyclictest23233-21/usr/sbin/munin19:40:370
18411991489,113cyclictest30667-21sed23:41:060
184119914844,83cyclictest26114-21swap19:55:580
184119914819,105cyclictest14730-21memory22:05:450
184119914817,25cyclictest20914-21apt-get22:45:170
184119914810,26cyclictest24726-21/usr/sbin/munin19:50:030
18411991479,112cyclictest18067-21ps22:25:540
184119914721,28cyclictest880-21diskstats00:00:320
184119914710,114cyclictest12610-21sort21:51:050
184119914710,112cyclictest3020-21sshd20:55:450
184119914617,28cyclictest15395-21diskstats22:10:320
184119914617,23cyclictest12981-21df_inode21:55:290
184119914615,45cyclictest510-21df_inode20:40:280
184119914613,24cyclictest8750-21df_inode21:30:290
184119914611,113cyclictest8091-21memory21:25:450
184119914520,26cyclictest20774-21users22:41:040
184119914317,22cyclictest5009-21apt00:25:120
184119914215,24cyclictest6505-21latency_hist00:35:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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