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2026-01-16 - 22:05
[ 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 #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 Fri Jan 16, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1734021110,3chrt17344-21cpuspeed09:30:441
1734021110,3chrt17344-21cpuspeed09:30:441
1734021110,3chrt17344-21cpuspeed09:30:441
147122990,3chrt0-21swapper/312:20:393
147122990,3chrt0-21swapper/312:20:393
136432950,2sleep30-21swapper/309:20:453
36362930,3sleep10-21swapper/107:25:491
36362930,3sleep10-21swapper/107:25:491
155862910,3chrt0-21swapper/309:25:473
155862910,3chrt0-21swapper/309:25:473
92662800,2chrt9264-21ntpq07:40:520
92662800,2chrt9264-21ntpq07:40:520
66342790,3sleep10-21swapper/109:00:491
185682790,3sleep20-21swapper/208:05:502
185682790,3sleep20-21swapper/208:05:502
137252780,2chrt0-21swapper/110:45:531
19972750,3sleep10-21swapper/111:45:471
19972750,3sleep10-21swapper/111:45:471
309562710,14sleep00-21swapper/010:05:490
309562710,14sleep00-21swapper/010:05:490
109262710,1chrt0-21swapper/107:45:471
109262710,1chrt0-21swapper/107:45:471
119552670,3chrt0-21swapper/310:40:533
119552670,3chrt0-21swapper/310:40:533
204662650,3chrt0-21swapper/108:10:521
204662650,3chrt0-21swapper/108:10:521
317482610,2sleep30-21swapper/308:40:533
317482610,2sleep30-21swapper/308:40:533
139352590,3sleep30-21swapper/310:45:553
77222580,3chrt0-21swapper/309:05:333
74962530,3chrt0-21swapper/307:35:523
74962530,3chrt0-21swapper/307:35:523
74962530,3chrt0-21swapper/307:35:523
224012510,1sleep30-21swapper/312:40:453
178852480,3sleep20-21swapper/210:55:552
178852480,3sleep20-21swapper/210:55:552
270522460,3chrt0-21swapper/311:25:433
41412450,1sleep3431rcuc/308:55:403
41412450,1sleep3431rcuc/308:55:403
30033994317,24cyclictest25799-21timerandwakeup09:50:541
30033994317,24cyclictest25799-21timerandwakeup09:50:541
160552430,2sleep30-21swapper/308:00:453
78362420,3sleep30-21swapper/310:30:483
133622400,2sleep10-21swapper/112:15:461
133622400,2sleep10-21swapper/112:15:461
57852380,2sleep10-21swapper/107:30:571
57852380,2sleep10-21swapper/107:30:571
3003399381,7cyclictest1490-21cron10:15:341
3003399381,7cyclictest1490-21cron10:15:341
3003399381,10cyclictest7106-21latency_hist12:00:381
3003399381,10cyclictest7106-21latency_hist12:00:381
162772380,2chrt16276-21perl08:00:471
162772380,2chrt16276-21perl08:00:471
30033993717,18cyclictest533-21fschecks_count08:45:461
30033993717,18cyclictest533-21fschecks_count08:45:461
30033993716,18cyclictest0-21swapper/108:20:361
30033993716,18cyclictest0-21swapper/108:20:361
30033993712,23cyclictest0-21swapper/111:00:341
30033993712,23cyclictest0-21swapper/111:00:341
3003399371,11cyclictest30175-21latency_hist10:05:341
3003399371,11cyclictest30175-21latency_hist10:05:341
3003399371,10cyclictest18394-21cat12:30:361
3003399371,10cyclictest18394-21cat12:30:361
187922370,3sleep10-21swapper/108:05:531
187922370,3sleep10-21swapper/108:05:531
3003399367,6cyclictest15720-21expr09:25:481
3003399367,6cyclictest15720-21expr09:25:481
3003399361,11cyclictest749-21runrttasks09:11:401
3003399361,11cyclictest749-21runrttasks09:11:401
3003399361,11cyclictest7187-21latency_hist10:30:371
3003399361,11cyclictest7187-21latency_hist10:30:371
3003399361,11cyclictest1024-21/usr/sbin/munin07:20:451
3003399361,11cyclictest1024-21/usr/sbin/munin07:20:451
3003399361,10cyclictest9202-21/usr/sbin/munin10:35:541
3003399361,10cyclictest9202-21/usr/sbin/munin10:35:541
3003399361,10cyclictest27202-21/usr/sbin/munin08:30:481
30031993630,4cyclictest749-21runrttasks11:10:000
30031993630,4cyclictest749-21runrttasks11:10:000
320652350,3sleep30-21swapper/311:40:353
320652350,3sleep30-21swapper/311:40:353
3003399351,8cyclictest601-21snmpd07:40:231
3003399351,8cyclictest601-21snmpd07:40:231
3003399351,8cyclictest601-21snmpd07:40:231
3003399351,8cyclictest32505-21sshd08:44:301
3003399351,8cyclictest32505-21sshd08:44:301
3003399351,8cyclictest15836-21grep08:00:371
3003399351,8cyclictest15836-21grep08:00:371
30033993515,18cyclictest0-21swapper/111:25:421
30033993515,18cyclictest0-21swapper/111:25:421
3003399351,11cyclictest3570-21/usr/sbin/munin10:20:511
3003399351,11cyclictest3570-21/usr/sbin/munin10:20:511
3003399351,10cyclictest9378-21gunzip07:40:541
3003399351,10cyclictest9378-21gunzip07:40:541
3003399351,10cyclictest22562-21perl11:10:471
3003399351,10cyclictest13108-21grep07:50:531
30033993429,3cyclictest32009-21latency_hist11:40:331
30033993429,3cyclictest32009-21latency_hist11:40:331
30033993426,6cyclictest24176-21netstat08:20:511
30033993426,6cyclictest24176-21netstat08:20:511
3003399341,9cyclictest1786-21cpuspeed10:15:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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