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2026-03-05 - 20:30
[ 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 Thu Mar 05, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1345825427,524sleep113441-21snmpd09:21:081
31680254020,503sleep031714-21/usr/sbin/munin10:19:060
9722251717,486sleep29730-21ntpq09:09:102
9722251717,486sleep29730-21ntpq09:09:102
1552245248,302sleep11614-21fschecks_time08:44:011
1066242711,402sleep01069-21/usr/sbin/munin12:08:490
28157237514,344sleep228166-21ntp_states08:24:082
3171523718,350sleep131760-21ntpq10:19:071
25192227929,168sleep125299-21timerwakeupswit08:14:141
10817226678,91sleep10-21swapper/109:14:021
7959226134,164sleep18102-21cat10:48:431
15890224014,209sleep316039-21awk07:44:113
7589223672,95sleep10-21swapper/112:29:011
6032222412,195sleep26074-21/usr/sbin/munin07:14:062
7779221839,101sleep17848-21switchtime07:19:101
20896221119,138sleep10-21swapper/109:44:101
310422088,140sleep13145-21cut12:14:081
23721220129,152sleep123869-21unixbench_singl08:09:131
31021219927,106sleep131116-21switchtime11:59:091
28297219510,84sleep128381-21threads08:24:111
30564219110,166sleep130712-21latency_hist08:33:441
30531219122,149sleep230548-21fschecks_count11:58:582
11846218919,89sleep10-21swapper/107:33:431
28064218627,74sleep128211-21unixbench_singl11:49:121
19443218430,115sleep119479-21ntpq11:24:041
1387321799,83sleep10-21swapper/107:39:041
5991217613,89sleep10-21swapper/107:14:051
3081217411,39sleep10-21swapper/108:48:581
1541421708,125sleep115617-21cat09:28:441
9478216175,19sleep10-21swapper/112:34:101
388421588,135sleep13927-21ntpq10:34:091
388421588,135sleep13927-21ntpq10:34:091
1658215411,124sleep11663-21modprobe10:28:401
21189215210,106sleep121226-21latency_hist08:03:441
2410214926,111sleep11925-21/usr/sbin/munin10:29:081
2410214926,111sleep11925-21/usr/sbin/munin10:29:081
5181214826,107sleep15292-21sed08:54:111
17327214422,101sleep10-21swapper/107:49:101
12170214318,111sleep212312-21cut09:18:432
16139214215,111sleep316191-21if_eth011:14:013
27455214126,100sleep127463-21systemd-run08:23:421
31402214029,18sleep130774-21/usr/sbin/munin08:34:121
1743213831,82sleep11983-21cmp07:03:441
1743213831,82sleep11983-21cmp07:03:441
8445213410,50sleep10-21swapper/110:49:031
1249521345,93sleep10-21swapper/111:02:481
1602921327,109sleep116061-21tune2fs11:13:591
5482213113,29sleep10-21swapper/110:39:061
12560212918,94sleep212618-21sendmail_mailqu07:34:092
12560212918,94sleep212618-21sendmail_mailqu07:34:092
18538212816,21sleep10-21swapper/109:38:411
21888212625,78sleep10-21swapper/108:04:081
1639521267,108sleep00-21swapper/007:47:480
14979212647,39sleep10-21swapper/111:09:101
30492212516,89sleep329699-21/usr/sbin/munin10:14:123
30492212516,89sleep329699-21/usr/sbin/munin10:14:123
1176212226,62sleep11222-21systemctl08:43:411
1176212226,62sleep11222-21systemctl08:43:411
31634212012,87sleep331700-21/usr/sbin/munin08:34:143
15608212032,74sleep115656-21grep07:44:051
24440211912,27sleep30-21swapper/311:39:043
2662921188,97sleep126601-21/usr/sbin/munin10:03:571
2662921188,97sleep126601-21/usr/sbin/munin10:03:571
23956211820,61sleep10-21swapper/109:54:071
908211710,95sleep00-21swapper/008:40:130
908211710,95sleep00-21swapper/008:40:130
28679211736,18sleep10-21swapper/110:09:101
10356211631,68sleep110473-21timerwakeupswit10:54:121
23315211526,21sleep123452-21latency_hist09:53:431
6234211415,79sleep26327-21fschecks_time08:59:002
12171211416,52sleep10-21swapper/107:34:001
12171211416,52sleep10-21swapper/107:34:001
25648211313,22sleep10-21swapper/109:59:121
4655211217,75sleep24745-21fschecks_time08:54:002
25930211218,73sleep0222-21systemd-journal08:18:450
8959211130,17sleep18998-21munin-run09:08:411
673021118,93sleep113441-21snmpd12:24:421
4867211114,81sleep04985-21timerwakeupswit12:19:110
21062211115,21sleep30-21swapper/309:44:123
25538211037,15sleep125499-21latency_hist11:43:431
22171210936,56sleep031430-1kworker/0:1H11:33:440
21537210924,18sleep10-21swapper/111:29:131
15701210827,15sleep10-21swapper/109:28:521
10290210831,43sleep110299-21munin-run07:28:431
3664210723,41sleep10-21swapper/107:08:561
3664210723,41sleep10-21swapper/107:08:561
16064210716,75sleep216138-21fschecks_time11:14:002
29239210417,16sleep10-21swapper/111:54:051
10207210412,76sleep310280-21tr10:54:103
25770210325,42sleep20-21swapper/211:43:522
13219210311,69sleep10-21swapper/111:04:051
3806210212,74sleep33874-21fw_packets07:09:023
3806210212,74sleep33874-21fw_packets07:09:023
23675210211,67sleep023723-21kworker/u8:211:38:410
18296210122,38sleep10-21swapper/107:53:541
4361210016,40sleep10-21swapper/112:19:001
1801210028,49sleep10-21swapper/112:09:111
1028529811,73sleep010355-21sed10:54:110
934329620,37sleep10-21swapper/109:09:011
934329620,37sleep10-21swapper/109:09:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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