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2026-02-18 - 08:59
[ 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 #b, slot #7

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.

Note that this system runs a non-RT kernel.
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 rackbslot7s.osadl.org (updated Wed Feb 18, 2026 00:43:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28601226086,2590sleep022074-21kworker/0:122:31:430
720427917,770sleep07247-21ntpq21:24:590
720427917,770sleep07247-21ntpq21:24:590
1184825214,506sleep020286-1kworker/0:2H21:40:020
15854241012,329sleep00-21swapper/023:34:580
32606235332,308sleep032617-21uname22:44:590
13814233414,302sleep313887-21grep21:45:053
472822798,216sleep00-21swapper/019:34:470
472822798,216sleep00-21swapper/019:34:470
18470225112,222sleep118588-21cat23:44:371
18470225112,222sleep118588-21cat23:44:371
16120225047,187sleep016136-21modprobe21:54:350
3212224414,189sleep03352-21latency_hist21:14:370
587522390,7sleep10-21swapper/123:04:381
587522390,7sleep10-21swapper/123:04:381
372222123,138sleep0442-21fschecks_time00:29:540
372222123,138sleep0442-21fschecks_time00:29:540
9658221637,136sleep09672-21latency_hist21:34:360
25080220812,181sleep225196-21sed22:20:052
6445219356,20sleep00-21swapper/019:39:560
6445219356,20sleep00-21swapper/019:39:560
464219215,120sleep0531-21sort21:04:560
22615218824,140sleep122759-21grep20:30:081
1537221879,134sleep00-21swapper/023:34:380
20020218314,114sleep020088-21latency_hist23:49:360
20020218314,114sleep020088-21latency_hist23:49:360
17906217414,138sleep318053-21grep20:15:083
14552217384,77sleep014615-21ps23:30:380
11573217310,101sleep011659-21timerandwakeup19:55:060
11573217310,101sleep011659-21timerandwakeup19:55:060
21942217112,14sleep20-21swapper/220:29:532
1127221718,114sleep00-21swapper/023:20:040
11312216349,99sleep011444-21cmp21:39:370
29048216018,128sleep129101-21sort19:09:531
27323216044,62sleep00-21swapper/022:29:360
24229216022,25sleep30-21swapper/322:19:383
2973215422,118sleep23027-21fschecks_count22:54:542
18386215426,117sleep013441-21snmpd20:18:370
17905215310,131sleep018048-21head23:40:070
17905215310,131sleep018048-21head23:40:070
24945215125,61sleep00-21swapper/022:20:030
29408214913,120sleep329382-21latency_hist20:54:383
10729214919,114sleep310787-21date19:54:373
22789214316,90sleep00-21swapper/020:30:120
1539721428,116sleep00-21swapper/020:09:360
1539721428,116sleep00-21swapper/020:09:360
1522214121,25sleep10-21swapper/122:49:571
18461214030,90sleep218480-21idleruntime-cro20:19:352
488821397,78sleep00-21swapper/023:00:010
488821397,78sleep00-21swapper/023:00:010
9184213817,48sleep09291-21latency_hist19:49:370
367721387,116sleep00-21swapper/021:14:540
1841213810,56sleep01848-21cpu00:34:510
7568213629,48sleep00-21swapper/023:09:510
6021213521,65sleep00-21swapper/023:04:500
6021213521,65sleep00-21swapper/023:04:500
1648321347,79sleep00-21swapper/021:54:520
1648321347,79sleep00-21swapper/021:54:520
26549213310,100sleep026539-21apt-get20:44:530
2207121336,77sleep00-21swapper/022:10:590
1856121329,71sleep018660-21switchtime22:00:040
6516213116,68sleep06532-21modprobe21:24:350
1419213110,109sleep01531-21date19:24:380
25585212929,15sleep00-21swapper/000:05:070
28557212762,49sleep00-21swapper/000:15:040
20106212730,17sleep00-21swapper/022:05:050
19967212620,92sleep219984-21idleruntime-cro23:49:342
19967212620,92sleep219984-21idleruntime-cro23:49:342
19050212613,98sleep019091-21latency20:19:580
31079212441,63sleep031187-21fschecks_time19:14:560
31228212224,19sleep00-21swapper/020:59:510
3245321209,59sleep032456-21cron00:29:340
3245321209,59sleep032456-21cron00:29:340
998211315,82sleep31125-21unixbench_multi21:05:073
3019321139,22sleep00-21swapper/000:20:050
3019321139,22sleep00-21swapper/000:20:050
28637211119,76sleep328847-21latency_hist19:09:383
4081210918,79sleep34126-21tr21:15:213
24758210913,79sleep124889-21cat20:39:371
1975210914,75sleep32092-21sort22:50:073
5187210823,65sleep25329-21sed23:00:072
5187210823,65sleep25329-21sed23:00:072
22351210616,74sleep122352-21cron22:14:351
19251210518,68sleep2222-21systemd-journal22:04:352
950821047,43sleep09544-21ntpq23:14:590
950821047,43sleep09544-21ntpq23:14:590
26265210421,26sleep30-21swapper/300:09:383
13578210212,74sleep013715-21latency_hist23:29:370
13578210212,74sleep013715-21latency_hist23:29:370
12334210224,55sleep212427-21fschecks_time23:24:552
12334210224,55sleep212427-21fschecks_time23:24:552
7637210114,69sleep17783-21latency_hist19:44:371
7637210114,69sleep17783-21latency_hist19:44:371
2386021018,35sleep00-21swapper/000:00:060
2386021018,35sleep00-21swapper/000:00:060
2401529939,24sleep013441-21snmpd22:17:490
1340329942,41sleep00-21swapper/020:00:150
1340329942,41sleep00-21swapper/020:00:150
908629811,74sleep29092-21cat23:14:452
908629811,74sleep29092-21cat23:14:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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