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2026-01-29 - 04:33
[ 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 Jan 29, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
277942145514,1422sleep1240-1kworker/1:2H21:36:151
1743927628,743sleep3200-1kworker/3:1H22:46:193
2133827537,735sleep3200-1kworker/3:1H21:16:183
2682026466,629sleep2177-1kworker/2:1H23:15:222
13312256918,539sleep012173-1kworker/0:1H00:15:290
1405725159,495sleep3200-1kworker/3:1H00:16:453
1723923816,361sleep023200-1kworker/0:0H22:45:150
3157723808,330sleep031666-21grep23:30:180
19861237729,333sleep119919-21/usr/sbin/munin21:10:261
30177235816,326sleep330211-21/usr/sbin/munin23:25:203
15149235714,328sleep315153-21ntpq20:55:263
15149235714,328sleep315153-21ntpq20:55:263
2072722837,261sleep020799-21cat19:30:220
31198228179,186sleep025946-1kworker/0:1H23:29:580
27254227510,221sleep027300-21ntp_kernel_pll_23:16:210
13218226522,228sleep313249-21tune2fs20:50:173
9074225215,222sleep19172-21timerandwakeup20:35:291
31685223144,138sleep031776-21fschecks_time20:05:190
31685223144,138sleep031776-21fschecks_time20:05:190
5729222110,198sleep05794-21awk23:50:290
4560221428,169sleep14708-21grep20:20:311
21963221312,189sleep221989-21df23:00:152
263052207169,23sleep326307-21sshd19:49:033
263052207169,23sleep326307-21sshd19:49:033
15501220561,79sleep015615-21timerandwakeup00:20:300
8275220413,175sleep28185-21latency_hist20:35:022
8006220369,77sleep00-21swapper/022:15:230
354021989,154sleep03611-21ls22:00:290
12079219522,117sleep012164-21switchtime00:10:280
15458219310,148sleep015552-21munin-node19:15:040
15458219310,148sleep015552-21munin-node19:15:040
24295219061,113sleep024438-21unixbench_singl19:40:320
3257621840,19sleep013576-21cyclictest21:50:180
10081218011,152sleep00-21swapper/020:40:170
10081218011,152sleep00-21swapper/020:40:170
23225217954,113sleep023265-21uname21:20:270
21758217714,144sleep221734-21latency_hist19:35:012
1989216343,59sleep00-21swapper/020:15:010
27188216241,62sleep027317-21apt-config21:35:010
20810216135,108sleep021001-21latency_hist21:15:010
21999215850,54sleep00-21swapper/023:00:180
16030215824,109sleep216153-21latency_hist21:00:012
16030215824,109sleep216153-21latency_hist21:00:012
3782215742,45sleep00-21swapper/020:20:050
922221509,123sleep00-21swapper/022:20:110
14186214312,66sleep00-21swapper/019:10:230
23026214214,115sleep223073-21cat21:20:212
2450921388,83sleep0364-21snmpd23:07:080
500321368,91sleep00-21swapper/022:05:250
20428213655,26sleep020470-21fschecks_count22:55:210
1486321356,20sleep00-21swapper/020:55:190
1486321356,20sleep00-21swapper/020:55:190
29714213340,35sleep029730-21modprobe19:59:580
3053621329,82sleep030609-21mailstats20:00:310
1652221329,85sleep016599-21tune2fs00:25:180
7349213116,68sleep00-21swapper/022:14:580
10411212910,74sleep00-21swapper/000:05:270
10411212910,74sleep00-21swapper/000:05:270
10774212869,46sleep010764-21apt-get22:25:160
1886212558,50sleep00-21swapper/021:55:280
32134212225,80sleep332052-21latency_hist21:50:023
2121521216,48sleep00-21swapper/021:15:460
12402212116,91sleep312437-21expr22:30:163
12402212116,91sleep312437-21expr22:30:163
22476211810,61sleep022539-21sendmail_mailqu19:35:270
5018211418,76sleep15076-21/usr/sbin/munin22:05:261
869211313,80sleep1927-21/usr/sbin/munin20:10:211
2666211119,75sleep22714-21readlink21:59:582
29492211014,78sleep229584-21load21:40:242
19163211015,11sleep00-21swapper/000:33:580
18788210942,51sleep00-21swapper/022:50:120
18788210942,51sleep00-21swapper/022:50:120
28466210849,17sleep00-21swapper/023:20:160
8787210729,67sleep08822-21ntpq00:00:220
8787210729,67sleep08822-21ntpq00:00:220
5901210613,75sleep25970-21/usr/sbin/munin20:25:292
31129210624,66sleep231150-21netstat21:45:202
32094210517,74sleep332174-21wc23:30:293
12899210516,24sleep20-21swapper/222:30:272
12899210516,24sleep20-21swapper/222:30:272
20789210417,73sleep320861-21sh00:39:593
19146210431,45sleep00-21swapper/021:10:010
18875210419,71sleep118911-21fschecks_count22:50:171
18875210419,71sleep118911-21fschecks_count22:50:171
7110210244,47sleep07167-21if_eth020:30:190
29706210039,47sleep029786-21grep21:40:300
2539521008,79sleep00-21swapper/021:27:500
1786829944,44sleep017936-21mailstats19:20:290
919829814,64sleep29200-21/usr/sbin/munin22:20:092
22472989,77sleep22292-21fschecks_count23:40:172
505629729,54sleep05194-21latency_hist23:50:010
305629615,68sleep33063-21df_inode22:00:153
2644629617,67sleep026394-21latency_hist19:50:010
2644629617,67sleep026394-21latency_hist19:50:010
2098829613,58sleep320429-21/usr/sbin/munin19:30:293
2631529516,66sleep026327-21apt-key23:14:590
753129420,54sleep17665-21head23:55:311
56682948,69sleep00-21swapper/020:25:220
2848129420,54sleep20-21swapper/223:20:192
2014329427,55sleep020269-21cat00:35:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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