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2026-02-25 - 17:05
[ 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 25, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2566323000,3sleep025665-21missed_timers09:00:190
1925922020,3sleep019255-21ntpq08:35:200
692921450,3sleep06954-21sendmail12:00:000
2039321240,4chrt20392-21sort08:40:140
2840021160,3sleep028403-21wc09:10:250
3168921150,3chrt31682-21pluginstate11:30:010
187321100,4chrt1875-21latency_hist11:40:020
1017921020,3sleep010234-21ntpq08:00:200
255012970,3sleep025499-21grep11:05:170
22662957,11sleep02271-21df07:30:120
320892930,4sleep032094-21ntp_states11:30:220
75552900,4sleep07613-21timerandwakeup12:00:260
72072835,9sleep07257-21df09:55:120
178132786,58sleep017824-21ntp_states10:35:200
166782770,2sleep016681-21mailstats10:30:240
2855927520,31sleep028642-21/usr/sbin/munin07:05:230
2941299638,17cyclictest14853-21latency_hist10:25:010
2941299628,22cyclictest5249-21sshd11:51:400
29412996124,14cyclictest15562-21runrttasks12:31:300
29412996034,17cyclictest31191-21/usr/sbin/munin07:15:260
29412996023,13cyclictest4713-21entropy09:45:140
2941299599,18cyclictest10099-21ntp_states10:05:230
29412995933,17cyclictest11229-21/usr/sbin/munin10:10:140
2941299589,17cyclictest11263-21/usr/sbin/munin08:05:180
2941299588,15cyclictest26926-21ntpq11:10:230
2941299587,19cyclictest10949-21/usr/sbin/munin12:15:150
2941299587,18cyclictest18847-21/usr/sbin/munin10:40:180
29412995817,13cyclictest7660-21ntp_states07:50:210
29412995810,16cyclictest8383-21/usr/sbin/munin12:05:270
2941299579,17cyclictest13897-21ps12:25:230
2941299579,15cyclictest3499-21/usr/sbin/munin07:35:270
2941299579,15cyclictest1017-21idleruntime07:25:140
2941299579,12cyclictest20320-21memory10:45:180
2941299578,17cyclictest12274-21/usr/sbin/munin12:20:230
2941299577,17cyclictest17709-21/usr/sbin/munin08:30:220
29412995734,14cyclictest1987-21/usr/sbin/munin11:40:110
29412995732,17cyclictest12618-21/usr/sbin/munin10:15:200
29412995732,16cyclictest15545-21/usr/sbin/munin08:20:250
29412995710,18cyclictest29393-21df09:15:140
2941299569,17cyclictest754-21/usr/sbin/munin09:30:130
2941299569,17cyclictest32662-21/usr/sbin/munin07:20:280
2941299568,16cyclictest27084-21/usr/sbin/munin09:05:240
2941299568,16cyclictest235212chrt08:50:480
2941299568,15cyclictest8659-21/usr/sbin/munin07:55:200
2941299567,17cyclictest3219-21/usr/sbin/munin11:45:200
2941299567,17cyclictest22700-21/usr/sbin/munin10:55:150
29412995632,15cyclictest16198-21/usr/sbin/munin12:35:140
29412995631,15cyclictest29594-21/usr/sbin/munin07:10:130
29412995630,17cyclictest21590-21/usr/sbin/munin08:45:110
29412995610,15cyclictest24820-21apt-get11:02:020
29412995610,14cyclictest8580-21/usr/sbin/munin10:00:130
2941299559,17cyclictest288-21snmpd09:50:090
2941299559,17cyclictest21465-21df10:50:110
2941299559,14cyclictest28177-21ntpq11:15:190
2941299559,13cyclictest23412sleep009:35:230
2941299558,16cyclictest288-21snmpd11:23:200
2941299557,17cyclictest31941-21/usr/sbin/munin09:25:210
29412995531,17cyclictest7306-21latency_hist07:50:010
29412995531,15cyclictest24424-21/usr/sbin/munin08:55:200
29412995521,13cyclictest17224-21runrttasks08:27:030
58922543,9sleep00-21swapper07:44:270
29412995433,14cyclictest30904-21/usr/sbin/munin09:20:190
29412995431,16cyclictest13657-21runrttasks08:14:420
29412995430,16cyclictest10504-21runrttasks12:12:260
29412995411,16cyclictest14082-21ntpq08:15:190
29412995311,17cyclictest3419-21df_inode09:40:140
29412995213,10cyclictest276-21runrttasks10:25:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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