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2026-03-04 - 19:21
[ 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 Mar 04, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
183712497714,4949sleep225517-21kworker/2:008:37:402
183712497714,4949sleep225517-21kworker/2:008:37:402
311382108446,1024sleep131182-21ntpq07:34:091
4820210577,1038sleep14856-21ntpq11:19:071
2382728646,821sleep123870-21ntpq08:54:101
2047927967,778sleep228171-1kworker/2:2H12:09:182
12862277719,739sleep012885-21/usr/sbin/munin11:44:500
9903265112,613sleep024694-21kworker/u8:109:54:000
9391253511,509sleep19439-21unin-run09:53:451
19923242215,384sleep019924-21cron12:08:440
17845240713,373sleep117993-21grep11:59:161
9677233118,116sleep10-21swapper/111:34:131
27690231021,270sleep327754-21/usr/sbin/munin10:49:183
141902290126,61sleep10-21swapper/108:24:031
141902290126,61sleep10-21swapper/108:24:031
10683228927,225sleep110729-21systemctl08:13:451
768522796,262sleep113441-21snmpd09:46:591
768522796,262sleep113441-21snmpd09:46:591
27905227989,94sleep128055-21latency_hist09:08:481
6276225561,94sleep16279-21cron09:43:441
6276225561,94sleep16279-21cron09:43:441
23673222125,174sleep10-21swapper/110:36:161
2801221418,134sleep12930-21gpgv07:48:461
27997220214,169sleep128009-21cron12:33:441
25830219516,67sleep10-21swapper/107:18:551
22663218426,140sleep122772-21timerandwakeup12:14:141
48322174101,55sleep14883-21fschecks_count07:54:031
1565521747,156sleep113441-21snmpd10:11:211
682121718,80sleep11-21systemd07:59:121
27996217033,117sleep10-21swapper/110:49:241
177892164109,16sleep117418-21apt-get10:18:481
3762216216,131sleep13832-21switchtime07:49:271
2943421619,138sleep029564-21sort09:13:470
2943421619,138sleep029564-21sort09:13:470
1288621569,135sleep112926-21ntpq11:44:511
790021556,116sleep17945-21ntpq11:29:081
847421529,128sleep28549-21find08:04:142
26099215210,129sleep126135-21ntp_kernel_err10:44:071
1030221529,129sleep210341-21ntpq09:54:142
1990214312,26sleep12090-21fschecks_time09:29:021
1263921409,62sleep10-21swapper/108:19:021
1263921409,62sleep10-21swapper/108:19:021
25163213734,88sleep125167-21acpi12:23:551
25495213554,69sleep125473-21latency_hist10:43:471
21809213537,65sleep121853-21latency_hist12:13:451
3186213432,79sleep33188-21apt-get07:48:573
18966212911,70sleep10-21swapper/108:39:041
18966212911,70sleep10-21swapper/108:39:041
6876212817,92sleep16891-21awk11:24:161
28800212712,100sleep128928-21sshd09:09:161
28800212712,100sleep128928-21sshd09:09:161
5114212612,97sleep25148-21/usr/sbin/munin07:54:082
2542121268,12sleep00-21swapper/007:17:170
23635212557,55sleep123637-21munin-run07:13:461
17195212421,18sleep10-21swapper/108:33:561
17195212421,18sleep10-21swapper/108:33:561
9371212317,86sleep09386-21apt-get09:53:440
7977212314,91sleep08080-21perl08:04:040
29556212319,89sleep10-21swapper/110:54:121
16111212347,37sleep116148-21ps08:29:121
16111212347,37sleep116148-21ps08:29:121
31938212114,70sleep132077-21grep09:19:171
21958212120,82sleep222043-21fschecks_time08:49:032
21958212120,82sleep222043-21fschecks_time08:49:032
27800211811,93sleep127844-21ntpq07:24:081
27800211811,93sleep127844-21ntpq07:24:081
1613021189,73sleep10-21swapper/110:13:591
22923211613,86sleep322957-21sshd12:14:163
281921129,21sleep10-21swapper/111:13:541
20225211011,87sleep120369-21awk10:24:171
17071211010,90sleep013441-21snmpd10:14:390
24757210913,16sleep00-21swapper/008:58:450
29161210615,73sleep028678-21apt-get07:28:550
2526621067,11sleep00-21swapper/012:24:020
9871210320,67sleep39386-21apt-get09:53:553
6901210314,70sleep26993-21threads07:59:132
19235210310,76sleep019259-21/usr/sbin/munin08:39:120
19235210310,76sleep019259-21/usr/sbin/munin08:39:120
6567210225,44sleep06561-21apt-get09:43:590
6567210225,44sleep06561-21apt-get09:43:590
26449210213,33sleep226480-21munin-run12:28:442
23868210019,64sleep323879-21modprobe10:38:443
9462996,82sleep10-21swapper/107:41:321
9462996,82sleep10-21swapper/107:41:321
60129910,48sleep10-21swapper/111:04:181
2682029915,60sleep30-21swapper/312:29:013
230552998,79sleep113441-21snmpd08:52:411
230552998,79sleep113441-21snmpd08:52:411
326112980,11sleep30-21swapper/309:23:463
254302976,14sleep113441-21snmpd07:17:221
134629719,10sleep10-21swapper/109:25:231
295262966,56sleep113441-21snmpd12:38:281
1532529520,60sleep2367-21sshd10:09:162
134892957,48sleep10-21swapper/110:04:101
915829411,68sleep29208-21fschecks_count11:34:022
450429414,60sleep24513-21/usr/sbin/munin11:19:002
314952947,48sleep10-21swapper/110:59:171
2492329415,57sleep325060-21unixbench_singl10:39:173
216262947,49sleep10-21swapper/108:48:451
216262947,49sleep10-21swapper/108:48:451
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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