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2026-02-16 - 06:20
[ 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 Mon Feb 16, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119622614613,6121sleep07199-21kworker/0:200:21:540
25914253723,497sleep125927-21/usr/sbin/munin19:55:151
616125296,488sleep26204-21ntpq22:20:212
32349236215,329sleep132424-21find22:00:131
24453235116,321sleep024500-21latency_hist23:19:430
20649234510,210sleep220712-21latency19:40:062
1094723407,323sleep213441-21snmpd20:51:292
2857231918,284sleep03004-21grep20:25:230
28165226923,207sleep228206-21ntpq23:30:072
12365226811,242sleep112404-21ntpq22:40:071
7822226658,192sleep27907-21mailstats22:25:142
25339225350,133sleep20-21swapper/223:20:142
11723224667,129sleep211721-21munin-node19:14:462
9927224021,199sleep39917-21apt-get20:49:573
26832223164,59sleep20-21swapper/221:44:442
28384222828,183sleep20-21swapper/221:49:442
17775221711,193sleep216855-21/usr/sbin/munin22:55:142
23201221471,24sleep223298-21fschecks_time23:15:012
5148221314,181sleep15187-21processes00:00:111
1802222106,193sleep00-21swapper/022:58:110
18565220819,122sleep20-21swapper/219:34:452
18565220819,122sleep20-21swapper/219:34:452
2888922078,155sleep229030-21unixbench_singl20:05:142
1243821987,24sleep212540-21perl19:15:022
9092218911,136sleep29199-21latency_hist00:14:462
23918218615,158sleep323929-21ntpq19:50:083
20861218019,36sleep00-21swapper/019:40:120
14615217728,139sleep213441-21snmpd22:47:192
26863217513,147sleep326806-21latency_hist21:44:453
18544217156,71sleep218634-21fschecks_time23:00:032
5878216716,63sleep20-21swapper/220:35:142
3699216728,125sleep23733-21sed22:14:442
23404215820,121sleep131009-1kworker/1:2H21:31:221
27839215717,115sleep127972-21uptime21:45:151
4183215465,17sleep20-21swapper/222:15:042
22493215319,18sleep222520-21fschecks_count21:30:022
14440215337,53sleep20-21swapper/221:04:462
2969921519,25sleep20-21swapper/220:09:582
20655215019,22sleep20-21swapper/221:24:452
9511214937,77sleep20-21swapper/200:15:022
8090214916,107sleep20-21swapper/220:44:432
3473214735,69sleep23574-21latency_hist20:29:452
21560214428,74sleep20-21swapper/223:09:562
111021448,120sleep21125-21kernelversion22:05:032
18776213934,61sleep218794-21sshd19:34:532
2239121379,115sleep222455-21ps19:45:112
2239121379,115sleep222455-21ps19:45:112
31510213436,57sleep231648-21latency_hist21:59:462
16147213321,56sleep20-21swapper/200:35:132
7026212913,102sleep31-21systemd22:24:423
29477212817,89sleep129624-21latency_hist20:09:451
15300212510,72sleep215319-21apt-get22:49:532
32581212417,52sleep20-21swapper/220:19:432
32581212417,52sleep20-21swapper/220:19:432
3254421189,71sleep232585-21uniq23:45:022
645211710,62sleep20-21swapper/220:20:042
645211710,62sleep20-21swapper/220:20:042
15443211640,39sleep10-21swapper/119:24:541
25020211511,88sleep025082-21cpuspeed19:54:580
140421159,95sleep00-21swapper/020:21:430
140421159,95sleep00-21swapper/020:21:430
947721149,59sleep20-21swapper/222:30:152
8632211114,79sleep08775-21latency_hist22:29:440
13148211111,57sleep20-21swapper/221:00:012
20351210918,74sleep120370-21apt-get19:39:531
373421069,80sleep33884-21latency_hist22:14:453
31865210615,12sleep20-21swapper/223:40:502
20516210631,59sleep220610-21grep23:05:122
8141210521,35sleep00-21swapper/020:44:450
5994210510,78sleep26087-21latency_hist00:04:442
2659521058,54sleep20-21swapper/219:59:572
20860210427,17sleep20-21swapper/221:24:572
19074210345,43sleep219150-21sed21:19:442
2457021028,35sleep223928-21/usr/sbin/munin21:35:152
18994210124,54sleep019031-21idleruntime-cro21:19:420
11756210130,19sleep211757-21munin-run22:39:442
11756210130,19sleep211757-21munin-run22:39:442
6147210013,75sleep16159-21needreboot22:20:201
27138210049,39sleep20-21swapper/223:25:152
25993210015,11sleep20-21swapper/219:56:052
14025210030,44sleep114107-21fschecks_time19:20:021
751429922,51sleep17654-21sed20:40:141
3069829942,42sleep230849-21latency_hist23:39:442
1690429915,69sleep016941-21latency_hist00:39:430
1412229912,68sleep014223-21fschecks_time00:30:020
1070129912,24sleep00-21swapper/000:19:440
894629814,64sleep18837-21/usr/sbin/munin22:30:011
1872929811,73sleep118807-21cat23:00:061
149902987,12sleep20-21swapper/200:30:572
455529715,59sleep20-21swapper/223:59:472
2216929715,69sleep122303-21latency_hist21:29:441
1378629710,70sleep20-21swapper/200:29:442
2323329619,60sleep023336-21latency_hist19:49:450
2323329619,60sleep023336-21latency_hist19:49:450
156652966,77sleep00-21swapper/021:06:580
93052949,36sleep213441-21snmpd20:45:282
93052949,36sleep213441-21snmpd20:45:282
285529315,60sleep32864-21wc23:54:443
2908429221,50sleep028596-21/usr/sbin/munin21:50:110
2870029140,41sleep228596-21/usr/sbin/munin21:50:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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