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2026-01-15 - 15:31
[ 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 50 highest latencies:
System rack4slot1s.osadl.org (updated Thu Jan 15, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23462880,3sleep20-21swapper/210:20:532
69822860,3sleep20-21swapper/212:00:472
69822860,3sleep20-21swapper/212:00:472
222412820,3sleep30-21swapper/308:20:543
9932790,3sleep30-21swapper/311:45:443
77302750,2sleep30-21swapper/309:10:433
77302750,2sleep30-21swapper/309:10:433
177812730,3chrt0-21swapper/308:10:443
177812730,3chrt0-21swapper/308:10:443
177812730,3chrt0-21swapper/308:10:443
16092720,3sleep11605-21sendmail_mailqu07:25:521
16092720,3sleep11605-21sendmail_mailqu07:25:521
148452700,3sleep20-21swapper/208:00:552
314412630,3sleep131301-21/usr/sbin/munin11:40:441
314412630,3sleep131301-21/usr/sbin/munin11:40:441
264462610,3sleep30-21swapper/311:25:503
194062610,2sleep10-21swapper/108:15:411
56872590,8sleep1271rcuc/109:05:381
56872590,8sleep1271rcuc/109:05:381
185262550,2chrt18529-21fschecks_time11:05:461
185262550,2chrt18529-21fschecks_time11:05:461
94632540,2sleep30-21swapper/307:45:563
94632540,2sleep30-21swapper/307:45:563
90052500,1sleep00-21swapper/007:45:530
90052500,1sleep00-21swapper/007:45:530
171742470,3chrt0-21swapper/111:00:521
36422460,2sleep20-21swapper/209:00:322
36422460,2sleep20-21swapper/209:00:322
27777993931,6cyclictest30761-21netstat10:10:500
27777993931,6cyclictest30761-21netstat10:10:500
256972390,3sleep20-21swapper/208:30:502
256972390,3sleep20-21swapper/208:30:502
17232380,3chrt0-21swapper/207:25:532
17232380,3chrt0-21swapper/207:25:532
27777993730,5cyclictest6150-21sendmail07:40:330
27777993730,5cyclictest6150-21sendmail07:40:330
217212370,1sleep00-21swapper/008:20:470
7642360,2sleep131921-21/usr/sbin/munin10:15:571
7642360,2sleep131921-21/usr/sbin/munin10:15:571
214482360,3sleep10-21swapper/109:45:501
214482360,3sleep10-21swapper/109:45:501
17882360,2sleep01975-21unixbench-2d11:45:550
172972360,3sleep20-21swapper/211:00:532
115152350,3sleep30-21swapper/309:20:443
115152350,3sleep30-21swapper/309:20:443
115152350,3sleep30-21swapper/309:20:443
103112350,3chrt0-21swapper/212:10:442
103112350,3chrt0-21swapper/212:10:442
27777993426,6cyclictest5115-21latency11:55:470
27777993426,6cyclictest5115-21latency11:55:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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