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2026-02-28 - 09:15
[ 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 highest latencies:
System rackbslot7s.osadl.org (updated Sat Feb 28, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25080268915,660sleep125111-21/usr/sbin/munin21:49:241
158922295105,170sleep316040-21unixbench_singl21:19:313
158922295105,170sleep316040-21unixbench_singl21:19:313
6432227914,248sleep16489-21interrupts19:09:211
928223717,48sleep3931-21cron23:58:593
21297223168,145sleep321448-21grep19:54:313
1749222197,201sleep23780-1kworker/2:0H19:44:052
17362221314,181sleep117402-21modprobe23:09:001
23842220819,168sleep323935-21fschecks_time20:04:203
2414622009,177sleep024182-21ntpq20:04:250
27397219020,133sleep36012-21cyclictest20:14:293
26856218713,159sleep226934-21find21:54:292
2918218512,153sleep32942-21latency_hist22:24:013
7467217711,153sleep37511-21ntp_kernel_pll_20:54:253
14792217615,143sleep314379-21/usr/sbin/munin19:34:253
14792217615,143sleep314379-21/usr/sbin/munin19:34:253
820321759,22sleep30-21swapper/300:19:263
820321759,22sleep30-21swapper/300:19:263
10502217215,139sleep310593-21xargs22:45:003
7584216913,131sleep30-21swapper/319:14:033
21181216917,21sleep30-21swapper/323:19:483
9656216811,132sleep30-21swapper/300:24:223
17413216515,123sleep30-21swapper/323:09:023
26012215938,25sleep30-21swapper/321:54:023
13276215738,101sleep312359-21/usr/sbin/munin00:34:323
25344215617,123sleep30-21swapper/320:09:173
19355215612,20sleep30-21swapper/323:14:193
76982155119,16sleep30-21swapper/322:39:033
11575215414,125sleep111655-21cat19:24:221
2238421508,127sleep322444-21if_eth019:59:203
17526215025,23sleep00-21swapper/019:44:150
9558214915,106sleep39750-21gpgv22:44:033
25377214715,114sleep30-21swapper/323:34:013
28567214610,14sleep30-21swapper/323:44:023
14146214313,117sleep314227-21ls21:14:313
30252214115,105sleep030341-21/usr/sbin/munin20:24:230
10603213917,107sleep210569-21latency_hist00:29:022
5149213722,99sleep35242-21mailstats19:04:353
917221368,29sleep39258-21tr20:59:293
1351621369,103sleep30-21swapper/322:54:293
5859213519,101sleep25869-21modprobe00:14:002
8063212815,98sleep08145-21switchtime19:14:120
435321287,22sleep30-21swapper/320:44:243
10220212811,95sleep30-21swapper/319:19:283
3066521279,103sleep330753-21tune2fs23:49:193
1192821278,58sleep312020-21mailstats22:49:283
31606212655,13sleep30-21swapper/320:29:193
611212412,65sleep30-21swapper/320:34:033
611212412,65sleep30-21swapper/320:34:033
52921248,96sleep3609-21mailstats22:14:283
11312212486,21sleep30-21swapper/300:29:273
4867212213,18sleep00-21swapper/000:09:220
20626212213,88sleep220786-21wc23:19:022
2882921218,11sleep30-21swapper/320:19:263
5219212015,52sleep15291-21mailstats22:29:281
3021621209,13sleep30-21swapper/320:24:223
13335212010,18sleep30-21swapper/321:14:023
13387211956,39sleep30-21swapper/319:29:293
13387211956,39sleep30-21swapper/319:29:293
26349211822,76sleep126513-21grep23:34:311
1728421178,96sleep317325-21cut19:44:023
2436211511,70sleep32496-21cpuspeed20:39:163
27599211410,91sleep327704-21date21:59:023
3051921137,72sleep30-21swapper/322:07:183
1964821129,16sleep10-21swapper/123:14:251
1765021129,17sleep30-21swapper/323:09:143
3092221119,15sleep30-21swapper/322:09:113
1258121105,93sleep00-21swapper/022:52:400
12469211017,79sleep212555-21cut00:34:182
719821097,69sleep30-21swapper/300:16:073
719821097,69sleep30-21swapper/300:16:073
6033210910,62sleep30-21swapper/322:34:023
24387210911,30sleep10-21swapper/123:29:221
1820321098,59sleep30-21swapper/319:44:303
1303210822,64sleep2222-21systemd-journal22:18:592
16286210713,79sleep216340-21if_err_eth023:04:212
3024021065,11sleep30-21swapper/323:48:223
16747210612,78sleep016878-21timerwakeupswit23:04:310
2881210513,79sleep12891-21ntpq20:39:261
28300210511,78sleep228332-21/usr/sbin/munin21:59:302
9321210419,58sleep19451-21timerwakeupswit20:59:321
2187321038,13sleep30-21swapper/321:39:573
1918621035,12sleep30-21swapper/321:29:483
17078210355,36sleep317122-21ntpq21:24:233
10596210312,74sleep010734-21unixbench_multi22:45:010
607621028,55sleep30-21swapper/320:49:293
509921027,58sleep30-21swapper/300:09:293
20468210229,50sleep020469-21cron23:19:000
155721017,54sleep30-21swapper/323:59:243
155721017,54sleep30-21swapper/323:59:243
2072721006,60sleep30-21swapper/321:34:443
87672997,58sleep30-21swapper/319:14:313
219429920,63sleep12232-21cat20:39:011
219429920,63sleep12232-21cat20:39:011
2158229911,71sleep221104-21apt-get21:39:072
200822995,16sleep30-21swapper/319:50:483
1865329912,72sleep00-21swapper/023:10:400
35932986,54sleep30-21swapper/322:24:253
225452986,53sleep30-21swapper/323:24:123
1044329837,37sleep210499-21mailstats22:44:592
31729618,61sleep0318-21cron20:34:000
3121429611,69sleep231345-21cat23:49:302
2102829519,56sleep221012-21apt-get23:19:182
1431329515,64sleep114416-21cat22:59:031
254029424,42sleep02593-21dpkg00:04:010
254029424,42sleep02593-21dpkg00:04:010
389329313,60sleep23962-21/usr/sbin/munin00:04:402
154702929,49sleep30-21swapper/322:59:423
236682915,11sleep00-21swapper/023:26:550
511029018,47sleep25145-21grep19:04:342
242932905,50sleep30-21swapper/321:47:203
113412905,52sleep30-21swapper/321:07:123
113412905,52sleep30-21swapper/321:07:123
3075728910,63sleep030798-21idleruntime23:49:200
305128955,18sleep30-21swapper/300:04:163
2195928916,58sleep222100-21latency_hist19:59:022
123612896,50sleep30-21swapper/319:26:223
1157428923,41sleep211713-21unixbench_singl00:29:302
267382887,48sleep30-21swapper/323:36:353
2025928813,54sleep220279-21/usr/sbin/munin21:34:272
288682875,50sleep30-21swapper/322:00:563
1953828711,61sleep019602-21ps19:49:280
1522628623,37sleep015369-21sed22:59:300
1259228622,50sleep012672-21switchtime21:09:390
3221128512,16sleep20-21swapper/223:54:182
561928434,30sleep10-21swapper/120:49:191
374128424,37sleep13891-21tail00:04:391
1210428418,45sleep112256-21sed22:49:301
283428311,59sleep02879-21ntpq20:39:250
2173728311,23sleep121743-21df_inode21:39:511
144042836,12sleep20-21swapper/219:34:162
144042836,12sleep20-21swapper/219:34:162
2603628225,26sleep00-21swapper/021:54:030
1895628216,40sleep218229-21/usr/sbin/munin21:29:312
325928118,37sleep13350-21fschecks_time22:24:191
1522728112,53sleep115233-21df_inode21:19:171
1522728112,53sleep115233-21df_inode21:19:171
1300028113,26sleep10-21swapper/100:34:301
1139228126,28sleep20-21swapper/219:24:192
1029428114,52sleep110364-21sshd19:19:301
83828019,30sleep00-21swapper/020:34:120
83828019,30sleep00-21swapper/020:34:120
2676328024,27sleep10-21swapper/121:54:281
1151528019,32sleep20-21swapper/221:09:012
1151528019,32sleep20-21swapper/221:09:012
2962727914,27sleep10-21swapper/122:04:211
1221927923,24sleep00-21swapper/019:24:330
868027820,25sleep20-21swapper/219:14:302
993427722,36sleep29948-21apt21:04:002
863827715,43sleep18670-21proc_pri19:14:291
460827723,34sleep04127-21apt-get19:04:110
3028727720,30sleep00-21swapper/022:04:320
2106127713,48sleep021136-21gpgv21:39:010
1110727723,34sleep111143-21cat00:29:211
3273927612,48sleep032760-21irqstats22:14:210
3046527625,28sleep20-21swapper/220:24:292
2660727616,43sleep126727-21date20:14:031
1801427622,30sleep10-21swapper/121:29:011
1597927614,44sleep10-21swapper/119:39:161
101427623,31sleep10-21swapper/123:59:011
589627524,33sleep15927-21munin-run19:09:001
2175727516,22sleep00-21swapper/023:20:010
1293127519,23sleep00-21swapper/000:34:290
1030927514,46sleep110389-21tune2fs21:04:201
1030927514,46sleep110389-21tune2fs21:04:201
2700527419,40sleep027127-21wc23:39:020
2351227319,22sleep10-21swapper/120:04:021
1947127316,32sleep10-21swapper/119:49:251
2733627218,40sleep127442-21fschecks_time23:39:191
12562729,42sleep10-21swapper/123:59:131
12562729,42sleep10-21swapper/123:59:131
875827119,25sleep10-21swapper/122:40:101
3034227119,24sleep10-21swapper/120:24:241
294527123,20sleep00-21swapper/022:24:020
1395027120,23sleep20-21swapper/221:14:262
2944227017,39sleep029466-21netstat23:44:560
2112327019,23sleep10-21swapper/119:54:291
868626920,28sleep00-21swapper/022:40:090
766226919,21sleep00-21swapper/020:54:300
642726925,25sleep00-21swapper/000:14:220
642726925,25sleep00-21swapper/000:14:220
580326911,17sleep00-21swapper/020:49:220
332826918,32sleep03371-21ls00:04:290
1322326922,21sleep20-21swapper/219:29:242
1322326922,21sleep20-21swapper/219:29:242
438826814,23sleep00-21swapper/020:44:250
2693126820,34sleep127010-21fschecks_time20:14:191
1359226822,29sleep00-21swapper/022:54:300
289052676,15sleep10-21swapper/123:44:041
2868726720,28sleep028865-21apt-key23:44:030
2851626716,21sleep10-21swapper/120:19:201
2232426712,41sleep122348-21latency_hist23:24:021
215026712,33sleep22221-21/usr/sbin/munin22:19:282
633926624,23sleep20-21swapper/200:14:202
633926624,23sleep20-21swapper/200:14:202
3033926619,22sleep20-21swapper/223:49:012
2542626618,28sleep00-21swapper/023:34:020
209862668,13sleep00-21swapper/019:54:240
152526618,19sleep20-21swapper/223:59:232
152526618,19sleep20-21swapper/223:59:232
138392665,16sleep00-21swapper/019:30:270
138392665,16sleep00-21swapper/019:30:270
1231126620,23sleep10-21swapper/121:09:321
1023426618,19sleep00-21swapper/019:19:290
66126510,41sleep00-21swapper/023:55:330
459026526,18sleep10-21swapper/120:44:301
3101726517,32sleep131024-21/usr/sbin/munin22:09:181
2692526416,21sleep20-21swapper/223:39:002
717726315,27sleep27270-21grep20:54:202
406926322,18sleep20-21swapper/220:44:192
1865526319,27sleep018700-21/usr/sbin/munin21:29:250
1822226318,28sleep118319-21switchtime23:09:281
1677626310,12sleep00-21swapper/021:24:160
96562625,10sleep00-21swapper/021:00:230
45426220,21sleep20-21swapper/220:34:022
2442426216,29sleep224425-21cron21:49:002
2280726223,20sleep10-21swapper/123:24:221
2006826219,21sleep10-21swapper/121:34:221
1956326220,18sleep10-21swapper/121:34:021
1494526215,29sleep20-21swapper/222:59:242
1021226221,23sleep20-21swapper/219:19:272
968726115,19sleep00-21swapper/000:24:230
754626116,29sleep17552-21ntp_states20:54:271
624326120,26sleep10-21swapper/100:14:191
624326120,26sleep10-21swapper/100:14:191
566026118,22sleep10-21swapper/100:11:291
448126119,20sleep00-21swapper/022:29:020
1732826116,29sleep017485-21latency_hist19:44:030
171632614,10sleep20-21swapper/221:24:262
781326018,20sleep10-21swapper/100:19:161
781326018,20sleep10-21swapper/100:19:161
759226017,23sleep07662-21ntp_states19:14:040
36582605,11sleep20-21swapper/222:24:282
311526023,19sleep20-21swapper/220:39:312
1416526019,17sleep10-21swapper/119:34:031
1416526019,17sleep10-21swapper/119:34:031
880625913,25sleep00-21swapper/000:21:290
880625913,25sleep00-21swapper/000:21:290
645525925,20sleep10-21swapper/122:34:201
2748325918,28sleep027596-21expr20:14:300
2352425918,22sleep00-21swapper/021:44:220
1895725914,25sleep20-21swapper/223:14:012
1802825920,19sleep10-21swapper/119:44:281
1563325914,26sleep015698-21grep21:19:280
1563325914,26sleep015698-21grep21:19:280
1542525920,20sleep20-21swapper/221:19:222
1542525920,20sleep20-21swapper/221:19:222
1345225813,19sleep20-21swapper/222:54:282
1170425814,20sleep00-21swapper/021:09:030
1170425814,20sleep00-21swapper/021:09:030
835025723,17sleep20-21swapper/200:19:292
835025723,17sleep20-21swapper/200:19:292
627425717,24sleep06276-21grep22:34:150
481825714,26sleep04921-21perl22:29:190
479225717,24sleep24798-21diskstats22:29:172
3114925717,24sleep031207-21irqstats22:09:210
288112578,38sleep013441-21snmpd22:00:120
2524425715,17sleep20-21swapper/221:49:292
1448625719,19sleep10-21swapper/119:34:191
1448625719,19sleep10-21swapper/119:34:191
1090925712,26sleep00-21swapper/000:29:160
36025616,22sleep1453-21gpgv20:34:011
3113125620,20sleep10-21swapper/123:49:291
2792425615,27sleep127811-21/usr/sbin/munin21:59:211
2732925617,19sleep20-21swapper/220:14:282
2529925611,25sleep225343-21/usr/sbin/munin20:09:162
249812565,15sleep10-21swapper/120:08:381
1357525616,19sleep10-21swapper/121:14:161
131725616,25sleep21354-21ntp_states20:34:552
131725616,25sleep21354-21ntp_states20:34:552
826825513,26sleep28322-21perl22:39:582
622325519,20sleep26219-21apt-get19:09:132
247025515,23sleep12520-21users22:19:311
2228725525,17sleep20-21swapper/219:59:192
553525411,17sleep20-21swapper/220:49:152
3160225411,21sleep20-21swapper/222:09:312
2411925413,25sleep224113-21apt-get23:29:152
238062546,39sleep20-21swapper/223:28:432
1606425417,22sleep20-21swapper/219:39:212
760725312,22sleep27677-21munin-run22:39:022
294842535,11sleep00-21swapper/020:21:210
156052536,35sleep10-21swapper/123:01:171
270952529,16sleep00-21swapper/021:54:310
2420425216,20sleep224210-21ntp_states20:04:272
1914925215,21sleep219155-21diskstats19:49:182
1464625210,17sleep00-21swapper/019:34:220
1464625210,17sleep00-21swapper/019:34:220
2161125111,25sleep021605-21apt-get21:39:130
1203225112,23sleep212014-21apt-get21:09:212
989625016,21sleep19897-21cpu22:44:301
70825017,14sleep10-21swapper/122:14:301
2947225012,24sleep229476-21diskstats22:04:182
2850225014,22sleep228566-21apt-config23:44:012
2219525013,22sleep022190-21apt-get19:59:120
2587224915,15sleep00-21swapper/020:09:300
123762495,9sleep20-21swapper/222:50:042
102702485,32sleep10-21swapper/100:25:251
2842624611,19sleep228423-21apt-get20:19:132
2353824517,15sleep10-21swapper/121:44:231
135742398,16sleep00-21swapper/021:14:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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