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2026-01-25 - 14:55
[ 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 Sun Jan 25, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
594821250,1sleep20-21swapper/212:05:512
1000121150,2sleep010006-21timerwakeupswit09:21:030
1000121150,2sleep010006-21timerwakeupswit09:21:030
1323421130,2sleep30-21swapper/308:05:533
1889121090,3sleep118894-21latency_hist12:40:521
1889121090,3sleep118894-21latency_hist12:40:521
698321040,3sleep10-21swapper/112:06:031
698321040,3sleep10-21swapper/112:06:031
2638321010,2sleep20-21swapper/211:31:062
2638321010,2sleep20-21swapper/211:31:062
158422800,2chrt15841-21ntpq08:11:011
158422800,2chrt15841-21ntpq08:11:011
134962790,3chrt13497-21fschecks_count12:25:550
134962790,3chrt13497-21fschecks_count12:25:550
34692750,3sleep13471-21sh10:31:031
34692750,3sleep13471-21sh10:31:031
207742550,3chrt0-21swapper/108:25:531
207742550,3chrt0-21swapper/108:25:531
202682500,2sleep120269-21ntpq11:16:021
202682500,2sleep120269-21ntpq11:16:021
313162460,6sleep1281ktimers/108:51:051
313162460,6sleep1281ktimers/108:51:051
286282460,3sleep0171ktimers/007:20:430
299362440,1sleep128784-21/usr/sbin/munin07:21:051
299362440,1sleep128784-21/usr/sbin/munin07:21:051
254172440,3chrt0-21swapper/108:36:021
254172440,3chrt0-21swapper/108:36:021
195162410,3sleep10-21swapper/109:46:051
195162410,3sleep10-21swapper/109:46:051
56132360,4sleep20-21swapper/209:10:562
56132360,4sleep20-21swapper/209:10:562
25622993629,5cyclictest3994-21netstat09:05:581
25622993629,5cyclictest3994-21netstat09:05:581
305082350,3sleep10-21swapper/110:16:041
305082350,3sleep10-21swapper/110:16:041
305082350,3sleep10-21swapper/110:16:041
25622993528,5cyclictest17405-21threads09:41:051
25622993528,5cyclictest17405-21threads09:41:051
25621993527,6cyclictest25615-21cyclictest07:31:040
6262340,2sleep10-21swapper/110:25:441
6262340,2sleep10-21swapper/110:25:441
25622993429,4cyclictest572-21cups-browsed12:11:031
25622993429,4cyclictest572-21cups-browsed12:11:031
25622993428,4cyclictest572-21cups-browsed09:21:021
25622993428,4cyclictest572-21cups-browsed09:21:021
25621993428,4cyclictest30028-21unixbench-2d11:41:040
25621993422,10cyclictest142-21systemd-journal08:55:420
25621993422,10cyclictest142-21systemd-journal08:55:420
221082340,2sleep022118-21ntpq11:21:000
221082340,2sleep022118-21ntpq11:21:000
203702340,2sleep20-21swapper/211:16:032
203702340,2sleep20-21swapper/211:16:032
25622993327,4cyclictest25615-21cyclictest10:41:031
25622993327,4cyclictest25615-21cyclictest10:41:031
25622993326,5cyclictest6238-21latency_hist10:40:421
25622993326,5cyclictest6238-21latency_hist10:40:421
25621993328,3cyclictest14870-21cron08:10:420
25621993323,8cyclictest3070-21latency_hist09:05:420
25621993323,8cyclictest3070-21latency_hist09:05:420
25622993226,3cyclictest90-1pr/ttyS009:29:371
25622993225,5cyclictest6897-21latency_hist09:15:461
25622993225,5cyclictest6897-21latency_hist09:15:461
25622993225,5cyclictest12845-21cut09:30:551
25622993225,5cyclictest12845-21cut09:30:551
25622993224,6cyclictest550-21cron11:20:541
25622993224,6cyclictest550-21cron11:20:541
25622993224,6cyclictest2446-21sshd10:30:131
25622993224,6cyclictest2446-21sshd10:30:131
25622993125,4cyclictest20461-21gltestperf09:50:551
25622993125,4cyclictest20461-21gltestperf09:50:551
25622993124,5cyclictest26240-21kernelversion10:05:571
25622993124,5cyclictest26240-21kernelversion10:05:571
25622993124,5cyclictest25615-21cyclictest08:21:041
25622993124,5cyclictest25615-21cyclictest08:21:041
25622993124,5cyclictest17162-21fschecks_time08:15:531
25622993124,5cyclictest17162-21fschecks_time08:15:531
25621993126,3cyclictest0-21swapper/010:00:420
25621993126,3cyclictest0-21swapper/010:00:420
25621993125,4cyclictest16877-21latency_hist08:15:480
25621993125,4cyclictest16877-21latency_hist08:15:480
25621993120,9cyclictest9649-21cut07:55:540
25621993120,9cyclictest9649-21cut07:55:540
25621993120,9cyclictest9649-21cut07:55:540
25622993025,3cyclictest90-1pr/ttyS010:47:151
25622993025,3cyclictest90-1pr/ttyS010:47:151
25622993024,3cyclictest26889-21sort08:40:581
25622993023,5cyclictest19158-21sshd11:14:061
25622993023,5cyclictest19158-21sshd11:14:061
25622993023,5cyclictest14788-21cut09:35:541
25622993023,5cyclictest14788-21cut09:35:541
25622993023,5cyclictest14788-21cut09:35:541
25622993022,5cyclictest13246-21latency_hist12:25:491
25621993025,3cyclictest7439-21basename07:50:430
25621993025,3cyclictest7439-21basename07:50:430
25621993024,5cyclictest20190-21needreboot11:16:000
25621993024,5cyclictest20190-21needreboot11:16:000
25621993022,6cyclictest16172-21latency_hist09:40:420
25621993022,6cyclictest16172-21latency_hist09:40:420
25621993022,6cyclictest16172-21latency_hist09:40:420
25621993020,7cyclictest32098-21fschecks_count08:55:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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