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2026-02-21 - 10:11
[ 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 highest latencies:
System rack5slot7s.osadl.org (updated Sat Feb 21, 2026 00:45:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29814224112186,88sleep00-21swapper19:07:230
301519916517,22cyclictest3819-21apt-get19:45:310
301519916216,38cyclictest3851-21apt23:00:020
301519916011,123cyclictest8670-21apt-get20:16:510
301519915917,101cyclictest32198-21apt-get22:35:300
301519915818,25cyclictest18867-21memory21:15:440
301519915816,117cyclictest21587-21diskstats21:31:050
301519915815,116cyclictest13038-21apt-get20:40:180
301519915814,24cyclictest18537-21apt00:30:010
301519915716,118cyclictest32073-21munin-run22:35:050
301519915712,121cyclictest31932-21/usr/sbin/munin19:16:180
301519915711,107cyclictest12778-21ls20:36:000
301519915621,26cyclictest6390-21apt-get20:00:200
301519915617,113cyclictest17035-21apt-get21:05:160
301519915522,29cyclictest10738-21diskstats20:25:330
301519915521,31cyclictest28003-21apt-get22:10:310
301519915516,116cyclictest10498-21df23:40:250
301519915514,114cyclictest30901-21users19:11:030
301519915513,98cyclictest19878-21memory00:36:180
301519915416,110cyclictest6358-21apt-get23:15:160
301519915414,114cyclictest23099-21apt-get21:40:180
301519915410,122cyclictest13476-21apt-get00:00:510
301519915410,119cyclictest4777-21apt-get19:50:200
301519915321,29cyclictest11984-21apt-get23:50:200
301519915315,114cyclictest10277-21munin-run23:40:020
301519915314,115cyclictest20310-21apt-get21:25:240
301519915312,118cyclictest9094-21grep23:30:490
301519915222,101cyclictest25478-21apt-get21:55:210
301519915218,24cyclictest1465-21munin-run22:45:010
301519915214,27cyclictest26991-21cron22:05:010
301519915214,114cyclictest13832-21apt-get20:45:210
301519915210,26cyclictest30208-21grep22:20:540
301519915120,29cyclictest23891-21apt-get21:45:200
301519915117,48cyclictest20151-21munin-run21:25:040
301519915117,24cyclictest1677-21diskstats22:45:340
301519915116,113cyclictest10488-21users20:21:120
301519915115,113cyclictest8319-21awk23:25:500
301519915115,111cyclictest32212-21apt-get19:20:190
301519915114,114cyclictest19336-21munin-run00:35:020
301519915112,97cyclictest27921-21cut22:10:080
301519915112,116cyclictest16962-21grep21:05:040
301519915015,25cyclictest3088-21/usr/sbin/munin19:40:350
301519915014,111cyclictest2624-21cat22:50:460
301519915014,110cyclictest5913-21/usr/sbin/munin23:10:530
301519915013,38cyclictest18095-21grep21:10:450
301519915012,40cyclictest15856-21awk00:10:560
301519915012,114cyclictest22905-21unixbench_singl21:36:080
301519915010,114cyclictest16039-21sed20:56:020
301519914931,19cyclictest5790-21snmpd00:10:000
301519914918,105cyclictest7183-21apt-get20:05:210
301519914917,105cyclictest24686-21apt-get21:50:170
301519914916,106cyclictest1341-21apt-get19:30:170
301519914911,25cyclictest13481-21munin-run00:00:010
30151991489,116cyclictest5843-21awk19:55:460
301519914822,101cyclictest1249-21latency_hist19:30:030
301519914818,107cyclictest17150-21df00:20:250
301519914817,25cyclictest28960-21apt-get22:15:220
301519914816,25cyclictest2235-21df19:35:240
301519914816,24cyclictest8084-21df_inode20:10:280
301519914814,26cyclictest14623-21/usr/sbin/munin20:50:200
301519914812,111cyclictest3973-21/usr/sbin/munin23:00:300
301519914720,102cyclictest7191-21apt-get23:20:180
301519914613,107cyclictest5193-21sendmail_mailqu23:05:570
301519914612,24cyclictest16783-21timerwakeupswit00:16:000
301519914516,24cyclictest30586-21apt-get22:25:200
301519914510,111cyclictest11394-21wc23:45:410
301519914411,105cyclictest11418-21/usr/sbin/munin20:30:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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