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2026-02-07 - 18:05
[ 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 #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 highest latencies:
System rackfslot4s.osadl.org (updated Sat Feb 07, 2026 12:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
781521250,2chrt7816-21sleep10:51:390
2394221250,2sleep023943-21seq09:39:400
349421230,2sleep03495-21seq11:34:180
3235221200,2chrt32353-21sendmail_mailqu12:17:140
1874121200,2chrt18742-21latency09:31:130
686521190,3chrt6866-21sh10:02:010
1472021170,3chrt14718-21missed_timers11:02:040
3077221140,2chrt30773-21runrttasks09:49:560
2555021140,2chrt25551-21runrttasks08:51:210
303921130,2chrt3040-21sleep12:21:580
642921120,3chrt6430-21ntp_states12:27:080
2176321120,1sleep021823-21cat11:12:200
1234921120,2sleep012350-21runrttasks10:58:530
2696221100,3chrt26963-21sh10:32:040
2213821100,2chrt22126-21aten2.4_rfpower10:25:330
365821090,2chrt3659-21ssh09:57:190
1169421090,2sleep011695-21chrt10:09:550
3224621080,1sleep032248-21runrttasks11:28:220
2967821010,2sleep029680-21latency_hist11:25:040
109862930,1sleep010987-21sh09:20:170
244022920,2sleep024403-21seq09:40:230
16622890,1sleep01663-21vmstat10:42:320
180502850,2sleep018051-21runrttasks10:19:090
186522830,2sleep018654-21ntpq11:56:350
45692820,2chrt4551-21ntpq07:26:010
67772810,2sleep06779-21processes08:21:210
145842810,1sleep014585-21latency_hist08:35:040
102382800,1sleep010239-21seq11:44:320
230752790,2sleep023076-21seq12:03:260
2341527811,49sleep023405-21apt-get07:05:120
302152740,2sleep030216-21ssh12:14:410
22482720,2sleep02249-21/usr/sbin/munin08:15:120
8062700,2sleep0807-21seq09:52:560
33942634,10sleep03429-21head10:45:500
188042630,2sleep018805-21seq11:08:010
264792617,9sleep026483-21seq12:08:400
157502600,1sleep015752-21collect209:26:450
9232584,11sleep0925-21munin-run09:05:010
301702584,9sleep030175-21hddtemp_smartct07:15:390
194672580,2sleep019466-21perl07:50:370
320472570,2sleep032044-21tune2fs08:10:350
193422553,6sleep019352-21ntpq08:41:430
146042550,3chrt14606-21latency_hist12:40:050
222882533,40sleep022282-21store07:55:130
153102533,7sleep015358-21if_eth208:35:440
8062522,7sleep0836-21fw_packets07:20:350
297662524,37sleep029769-21ntpq08:06:140
273392500,1sleep027340-21seq08:55:130
131512500,1sleep013150-21seq11:48:340
95462483,37sleep09548-21ntpq08:25:560
26414904818,23cyclictest0-21swapper10:23:270
314732470,1sleep031474-21seq10:39:120
20972470,2sleep02102-21missed_timers09:05:520
172012460,2chrt17185-21ntpq07:46:220
26414904516,22cyclictest0-21swapper11:52:380
26414904515,22cyclictest0-21swapper09:18:320
251832450,3sleep025174-21ssh11:17:240
26414904416,21cyclictest0-21swapper11:38:170
26414904415,22cyclictest0-21swapper09:14:240
254232440,2sleep025424-21chrt08:00:140
92372432,32sleep09230-21ssh12:31:140
26414904312,22cyclictest0-21swapper07:10:400
2641490414,9cyclictest13779-21ntpq07:40:520
26414904115,19cyclictest14322-21ssh10:13:140
2641490404,28cyclictest7856-21ntpq07:31:200
2641490395,27cyclictest10908-21ntpq07:36:150
2641490383,18cyclictest22083-21memory08:45:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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