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2026-02-13 - 21:58
[ 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 Fri Feb 13, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307402227613,2241sleep025538-21kworker/u8:412:35:130
28662238519,347sleep028675-21sshd10:44:540
16811234210,252sleep316840-21munin-plugin-st08:24:513
1110231810,205sleep31239-21timerwakeupswit09:15:223
238442287145,85sleep323956-21sshd10:29:553
238442287145,85sleep323956-21sshd10:29:553
8465225914,196sleep38504-21latency_hist11:24:523
27737224818,190sleep327808-21switchtime10:40:213
26525223631,139sleep326655-21unixbench_multi12:20:213
2931022348,208sleep329329-21apt-get07:20:013
2931022348,208sleep329329-21apt-get07:20:013
2732522268,206sleep327404-21cpu07:15:003
4748222211,156sleep34893-21unixbench_singl11:10:223
23648222031,175sleep323737-21grep08:45:103
31988221777,56sleep30-21swapper/310:55:113
18289221530,67sleep317997-21/usr/sbin/munin11:55:133
7747220410,22sleep30-21swapper/307:55:073
29035219815,121sleep30-21swapper/312:30:113
6287219710,120sleep36439-21unixbench_singl11:15:233
6287219710,120sleep36439-21unixbench_singl11:15:233
18410218816,20sleep10-21swapper/108:29:541
13749218675,21sleep30-21swapper/311:40:153
30004218176,55sleep30-21swapper/309:05:133
30472217721,130sleep230214-21apt-get12:34:542
2480217410,72sleep32481-21sshd11:05:053
2480217410,72sleep32481-21sshd11:05:053
1296217025,53sleep30-21swapper/311:00:163
2216321610,36sleep222167-21fschecks_time08:40:122
4833215330,110sleep31-21systemd09:29:513
25111214719,76sleep30-21swapper/308:50:073
11704214722,113sleep311745-21ntp_kernel_err09:50:143
11704214722,113sleep311745-21ntp_kernel_err09:50:143
29425214614,36sleep029487-21/usr/sbin/munin12:30:200
24010214615,99sleep00-21swapper/012:14:530
20964214549,20sleep30-21swapper/308:35:383
11144214511,119sleep311296-21latency_hist09:49:543
25603214252,51sleep325667-21cat12:19:533
25603214252,51sleep325667-21cat12:19:533
29166213921,64sleep30-21swapper/310:45:183
16683213915,102sleep00-21swapper/010:05:210
7999213831,95sleep38037-21date09:39:533
17583213664,12sleep30-21swapper/308:25:203
3651213572,45sleep30-21swapper/307:40:203
22622213412,97sleep00-21swapper/008:40:230
25928213340,21sleep30-21swapper/307:10:243
21759213311,98sleep00-21swapper/012:05:200
22338213162,19sleep30-21swapper/312:08:543
19083212910,56sleep30-21swapper/308:30:163
13030212434,25sleep30-21swapper/308:10:213
31564212324,76sleep131688-21cat10:54:531
2784521239,75sleep30-21swapper/312:25:183
2391421225,10sleep30-21swapper/312:14:153
21610212213,64sleep30-21swapper/310:20:263
18704212223,77sleep018862-21unixbench_multi11:55:220
27936212116,87sleep128064-21users10:40:231
6657212031,78sleep36665-21ntpq07:50:183
6657212031,78sleep36665-21ntpq07:50:183
12884211635,18sleep30-21swapper/309:55:073
12884211635,18sleep30-21swapper/309:55:073
8914211249,17sleep30-21swapper/309:40:213
6430211214,80sleep06538-21latency_hist09:34:530
8743211014,82sleep18817-21sendmail_mailtr09:40:191
25346211014,81sleep025386-21latency_hist10:34:530
683210912,79sleep029525-21kworker/u8:310:59:530
11903210928,14sleep30-21swapper/311:35:103
15764210827,16sleep30-21swapper/310:04:523
29446210710,16sleep00-21swapper/007:20:300
29446210710,16sleep00-21swapper/007:20:300
15125210714,78sleep115241-21sort10:00:221
27470210614,26sleep227475-21diskstats12:25:092
27036210625,68sleep327060-21netstat08:55:163
26428210635,41sleep126535-21latency_hist08:54:531
31934210519,22sleep30-21swapper/312:39:073
30868210512,80sleep030945-21timerandwakeup10:50:240
24549210419,72sleep124631-21mailstats10:30:421
29796210326,58sleep129790-21apt-get09:05:071
18561210335,57sleep30-21swapper/310:11:303
10341210319,63sleep010359-21sort11:30:100
21468210218,65sleep120674-21/usr/sbin/munin10:20:241
2085621027,63sleep313441-21snmpd12:04:463
4115210114,73sleep24116-21/usr/sbin/munin11:10:092
31105210110,12sleep20-21swapper/207:25:172
2207210123,60sleep12360-21unixbench_multi07:35:221
3144021007,34sleep331476-21fschecks_count09:10:093
10335210020,51sleep210406-21cat09:45:212
684229919,55sleep26858-21sh11:19:502
684229919,55sleep26858-21sh11:19:502
2558629921,15sleep30-21swapper/310:35:043
2558629921,15sleep30-21swapper/310:35:043
1405829915,70sleep014083-21grep08:15:110
3159029813,18sleep10-21swapper/112:35:341
30182986,27sleep30-21swapper/309:21:243
1644529822,15sleep30-21swapper/310:05:163
1454629831,53sleep314622-21wc08:15:223
1454329811,66sleep00-21swapper/010:00:080
1315529818,22sleep20-21swapper/211:39:532
641929720,15sleep30-21swapper/309:34:523
3033329716,61sleep130471-21cut12:34:531
2911229714,70sleep129155-21ntp_offset10:45:161
2620129711,70sleep126318-21sed10:35:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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