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2026-02-23 - 06:43
[ 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 #1

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack4slot1s.osadl.org (updated Mon Feb 23, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
476321260,3sleep20-21swapper/219:51:322
476321260,3sleep20-21swapper/219:51:322
1249421150,2sleep20-21swapper/221:41:182
1249421150,2sleep20-21swapper/221:41:182
321822840,3sleep20-21swapper/219:41:112
321822840,3sleep20-21swapper/219:41:112
70452780,2chrt7041-21ntpq22:51:270
70452780,2chrt7041-21ntpq22:51:270
94082720,3sleep30-21swapper/321:31:273
94082720,3sleep30-21swapper/321:31:273
187062700,4sleep20-21swapper/221:56:262
187062700,4sleep20-21swapper/221:56:262
51552670,4chrt0-21swapper/221:21:212
248812670,3sleep20-21swapper/222:11:292
248812670,3sleep20-21swapper/222:11:292
248812670,3sleep20-21swapper/222:11:292
65842650,1sleep00-21swapper/019:56:320
65842650,1sleep00-21swapper/019:56:320
26702650,2sleep20-21swapper/222:41:202
15712630,2chrt1574-21fschecks_time21:11:220
15712630,2chrt1574-21fschecks_time21:11:220
237052610,4sleep20-21swapper/222:11:172
126322600,3sleep20-21swapper/223:06:292
126322600,3sleep20-21swapper/223:06:292
91292590,2sleep00-21swapper/020:06:090
91292590,2sleep00-21swapper/020:06:090
33072590,2sleep13339-21ntp_states22:41:281
33072590,2sleep13339-21ntp_states22:41:281
143002560,3sleep20-21swapper/200:36:342
143002560,3sleep20-21swapper/200:36:342
74602550,3sleep20-21swapper/220:01:212
74602550,3sleep20-21swapper/220:01:212
186042550,3sleep20-21swapper/220:31:162
186042550,3sleep20-21swapper/220:31:162
248842530,2sleep124887-21sort19:21:201
155412530,10sleep0171ktimers/021:46:310
155412530,10sleep0171ktimers/021:46:310
96562520,3sleep20-21swapper/220:06:232
135692520,3chrt13571-21cat23:11:090
135692520,3chrt13571-21cat23:11:090
21360995046,2cyclictest0-21swapper/000:01:230
82652490,2sleep20-21swapper/222:56:202
82652490,2sleep20-21swapper/222:56:202
82652490,2sleep20-21swapper/222:56:202
35622480,3sleep20-21swapper/221:16:222
21360994537,6cyclictest32375-21latency_hist00:01:130
21360994537,6cyclictest32375-21latency_hist00:01:130
113102450,1sleep00-21swapper/021:36:260
113102450,1sleep00-21swapper/021:36:260
45222440,3chrt0-21swapper/200:11:252
257722440,2chrt25770-21ntp_states23:41:280
178772440,3sleep20-21swapper/223:21:242
178772440,3sleep20-21swapper/223:21:242
257862420,4sleep025789-21fschecks_count22:16:220
257862420,4sleep025789-21fschecks_count22:16:220
257862420,4sleep025789-21fschecks_count22:16:220
288802410,3sleep00-21swapper/023:51:210
288802410,3sleep00-21swapper/023:51:210
285502400,1sleep00-21swapper/019:31:160
285502400,1sleep00-21swapper/019:31:160
169132390,4sleep20-21swapper/223:16:342
169132390,4sleep20-21swapper/223:16:342
150422390,1sleep015204-21grep20:21:220
150422390,1sleep015204-21grep20:21:220
216202380,4sleep021623-21cut23:31:230
216202380,4sleep021623-21cut23:31:230
21362993827,4cyclictest0-21swapper/100:01:251
146312370,4chrt0-21swapper/221:46:212
146312370,4chrt0-21swapper/221:46:212
306232360,3sleep30-21swapper/319:36:213
306232360,3sleep30-21swapper/319:36:213
21360993627,7cyclictest13538-21threads21:41:310
21360993627,7cyclictest13538-21threads21:41:310
282372350,2chrt28234-21grep20:56:220
282372350,2chrt28234-21grep20:56:220
282372350,2chrt28234-21grep20:56:220
2136899349,14cyclictest0-21swapper/200:01:292
270002330,3chrt0-21swapper/222:18:092
270002330,3chrt0-21swapper/222:18:092
270002330,3chrt0-21swapper/222:18:092
21362993325,6cyclictest27020-21fschecks_count23:46:211
21362993325,6cyclictest27020-21fschecks_count23:46:211
21360993325,6cyclictest24305-21unixbench_multi23:36:300
21360993325,6cyclictest24305-21unixbench_multi23:36:300
21360993325,6cyclictest24305-21unixbench_multi23:36:300
21362993226,5cyclictest22546-21needreboot22:06:261
21360993223,6cyclictest5719-21/usr/sbin/munin00:16:280
21360993223,6cyclictest5719-21/usr/sbin/munin00:16:280
209562320,2sleep020958-21cat22:01:310
209562320,2sleep020958-21cat22:01:310
22162310,2chrt2219-21fschecks_time00:06:210
21360993124,5cyclictest15928-21cut23:16:230
21360993124,5cyclictest15928-21cut23:16:230
21360993123,6cyclictest16416-21cut21:51:220
21360993123,6cyclictest16416-21cut21:51:220
21360993025,3cyclictest9839-21gltestperf00:26:240
21360993025,3cyclictest9839-21gltestperf00:26:240
21360993024,4cyclictest21359-21cyclictest22:22:580
21360993024,4cyclictest21359-21cyclictest22:22:580
21360993024,3cyclictest0-21swapper/021:06:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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