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2026-01-26 - 13:03
[ 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 #f, slot #4

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: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackfslot4s.osadl.org (updated Mon Jan 26, 2026 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
454621270,3chrt4550-21sh23:50:350
547721240,2chrt5476-21/usr/sbin/munin21:26:450
512521180,1sleep05181-21grep00:40:050
2566521170,2sleep025666-21mktemp22:45:130
259721160,2chrt2598-21seq19:40:250
2514121160,2chrt25140-21/usr/sbin/munin23:32:190
2235221160,3chrt21677-21apt-get19:20:550
1270021150,3chrt12701-21runrttasks23:14:150
2901421140,2chrt29016-21chrt21:13:090
2511621140,2chrt25117-21seq22:44:240
1709721140,2sleep017101-21chrt20:54:570
1370721120,2sleep013731-21grep23:15:500
340021100,2sleep03401-21chrt23:00:320
2838521100,2chrt28383-21/usr/sbin/munin00:26:050
2146721100,2chrt21468-21sh22:38:410
176021090,2chrt1758-21aten2.4_rfpower20:30:250
138121090,2sleep01380-21ld22:56:440
1464121080,3chrt14642-21sleep19:59:120
893121070,2chrt8932-21sleep23:08:100
51421030,2chrt515-21sleep21:19:310
2456221030,2sleep024563-21missed_timers21:05:530
501621020,2chrt5017-21seq22:14:310
1799721020,2chrt17998-21sleep19:13:290
1091721000,2sleep010920-21chrt20:45:000
326772970,2sleep032678-21runrttasks00:32:270
138072960,2sleep013808-21chrt21:39:020
239242920,1sleep023925-21runrttasks21:54:210
256402860,2sleep025641-21chrt21:56:450
202352840,2sleep020236-21chrt00:13:590
205882790,1sleep020589-21if_can023:25:590
317282770,2sleep031729-21chrt19:35:240
1365427610,53sleep013665-21ntp_states19:05:540
107162760,2sleep010710-21awk00:00:010
172892740,2sleep017290-21cat23:21:000
250502730,2sleep025058-21sed00:21:030
202982710,2sleep020299-21chrt21:48:350
70312700,2sleep07033-21find19:46:230
281532700,2sleep028154-21chrt20:20:280
283972680,1sleep028398-21seq23:37:160
100262630,1sleep010027-21runrttasks21:32:560
127012590,1sleep012703-21timerwakeupswit20:46:260
322342580,2sleep032235-21runrttasks20:26:180
208572540,2sleep020859-21grep21:00:340
174182530,2sleep017420-21chrt20:55:230
83772520,1sleep08378-21chrt22:19:350
15499905120,23cyclictest0-21swapper22:28:360
12462510,1sleep01247-21sh21:20:370
15499904918,21cyclictest0-21swapper22:03:380
142162490,3chrt14214-21/usr/sbin/munin00:05:120
15499904718,20cyclictest0-21swapper23:47:120
120532470,3sleep012050-21ssh00:01:140
301572460,2sleep030168-21/usr/sbin/munin19:31:310
247812460,2chrt24782-21runrttasks20:15:230
15499904619,19cyclictest0-21swapper22:33:280
15499904617,21cyclictest0-21swapper00:18:090
106092460,2sleep010613-21wc19:52:140
15499904517,20cyclictest0-21swapper22:54:260
319442440,3chrt31945-21if_can022:06:000
1549990445,12cyclictest30673-21df_inode23:41:060
15499904417,18cyclictest16042-21ssh21:41:580
1549990433,30cyclictest9402-21ssh22:20:560
15499904315,19cyclictest25013-21apt-get19:25:410
1549990425,27cyclictest19242-21perl19:15:370
1549990424,27cyclictest15496-21df_inode20:00:300
15499904116,17cyclictest252-21jbd2/sda-820:07:250
1549990409,22cyclictest4914-21telnet20:35:260
15499903914,18cyclictest0-21swapper20:10:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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