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2026-01-12 - 17:13
[ 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 #3, slot #3

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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  TQ-Systems
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.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 all highest latencies:
System rack3slot3s.osadl.org (updated Mon Jan 12, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279204721250,4sleep02792048-21basename11:40:000
2500322212153,62sleep30-21swapper/307:05:123
250469428653,9sleep20-21swapper/207:06:282
250474228552,25sleep10-21swapper/107:07:031
250478128356,14sleep00-21swapper/007:07:340
26446172330,3sleep02644588-21apt-get09:20:000
2505095992925,1cyclictest0-21swapper/307:39:273
2505095992118,1cyclictest0-21swapper/311:55:003
2505095992118,1cyclictest0-21swapper/308:23:503
250509599211,16cyclictest2555231-21taskset07:55:103
250509599211,15cyclictest0-21swapper/307:40:113
2505095992017,1cyclictest0-21swapper/310:55:133
2505095992017,1cyclictest0-21swapper/309:55:173
2505095992016,2cyclictest0-21swapper/309:10:183
2505095992016,2cyclictest0-21swapper/307:10:133
250509599200,14cyclictest0-21swapper/307:30:213
27435032194,4sleep12743540-21ntpq10:50:201
2505095991916,1cyclictest0-21swapper/310:10:153
2505095991915,2cyclictest0-21swapper/309:00:003
2505095991914,2cyclictest0-21swapper/310:40:003
250509599191,13cyclictest0-21swapper/311:40:113
2505095991910,6cyclictest2522746-21turbostat07:25:003
28189412181,8sleep12819179-21grep12:05:151
27770402181,7sleep22777240-21kthreadcore11:25:162
250509599189,6cyclictest2549189-21turbostat07:50:003
250509599188,6cyclictest2775772-21taskset11:22:113
250509599185,6cyclictest2527818-21taskset07:27:563
250509599182,10cyclictest2708191-21taskset10:20:113
2505095991815,1cyclictest0-21swapper/310:05:153
2505095991815,1cyclictest0-21swapper/308:35:143
2505095991814,2cyclictest0-21swapper/312:25:163
2505095991814,2cyclictest0-21swapper/311:55:153
2505095991814,2cyclictest0-21swapper/309:20:003
250509599181,14cyclictest0-21swapper/308:30:123
250509599181,13cyclictest2845134-21sleep12:35:003
250509599181,13cyclictest2828649-21turbostat12:15:003
250509599181,13cyclictest0-21swapper/311:30:123
250509599181,13cyclictest0-21swapper/311:00:113
250509599181,13cyclictest0-21swapper/308:00:113
250509599180,13cyclictest0-21swapper/309:50:133
250509599172,9cyclictest2676671-21taskset09:50:013
2505095991715,1cyclictest0-21swapper/310:40:173
2505095991715,1cyclictest0-21swapper/307:50:153
2505095991714,1cyclictest0-21swapper/311:15:163
2505095991713,2cyclictest0-21swapper/311:25:143
2505095991711,3cyclictest2660605-21turbostat09:39:553
2505095991711,3cyclictest2660605-21turbostat09:39:553
2505095991711,3cyclictest15850irq/127-ahci[0000:00:17.0]08:30:003
250509599171,12cyclictest0-21swapper/310:25:113
250509599171,12cyclictest0-21swapper/310:00:123
250509599171,10cyclictest2828898-21taskset12:15:303
250509599171,10cyclictest2757096-21taskset11:05:163
250509599170,14cyclictest0-21swapper/311:35:133
282322321613,1sleep20-21swapper/212:08:042
27713192161,9sleep12771529-21idleruntime11:20:141
26283092161,10sleep22628444-21users09:00:272
250509599161,9cyclictest2739542-21taskset10:50:013
250509599161,9cyclictest2575110-21taskset08:10:173
2505095991614,1cyclictest0-21swapper/308:50:193
250509599161,11cyclictest2570774-21chrt08:10:013
250509599161,10cyclictest2765178-21chrt11:10:373
250509599161,10cyclictest2646673-21taskset09:20:153
250509599160,13cyclictest0-21swapper/312:05:153
250509599160,13cyclictest0-21swapper/312:00:183
250509599160,13cyclictest0-21swapper/311:45:143
250509599160,12cyclictest0-21swapper/310:30:123
250509599160,10cyclictest2834453-21taskset12:23:563
27338082150,1sleep10-21swapper/110:41:501
26343562151,9sleep02634359-21apt-get09:10:110
25743262151,4sleep22575107-21cat08:10:172
250509599151,9cyclictest2739052-21taskset10:46:563
250509599151,9cyclictest2612829-21taskset08:45:323
2505095991512,1cyclictest0-21swapper/309:05:233
2505095991512,1cyclictest0-21swapper/308:40:163
2505095991511,2cyclictest0-21swapper/309:30:123
250509599151,11cyclictest0-21swapper/307:15:013
250509599150,13cyclictest0-21swapper/312:35:133
250509599150,13cyclictest0-21swapper/309:25:203
250509599150,12cyclictest0-21swapper/310:15:163
250509599150,12cyclictest0-21swapper/308:15:013
28388172141,9sleep12838869-21gcc12:25:191
27348902141,8sleep22736110-21grep10:45:162
25401262141,8sleep02541833-21cut07:40:170
25282522141,2sleep10-21swapper/107:30:121
250509599141,9cyclictest2670452-21chrt09:40:233
250509599140,12cyclictest0-21swapper/309:00:143
28284762130,1sleep20-21swapper/212:13:172
28093962131,7sleep02811151-21kthreadcore11:55:160
26155072131,8sleep22613446-21/usr/sbin/munin08:50:172
25980062131,8sleep02598148-21grep08:35:120
25707362131,8sleep22570764-21perf08:10:012
25386412131,8sleep02538840-21ls07:40:010
27767812121,7sleep02776829-21forks11:25:140
27655242121,7sleep12765585-21latency_hist11:15:011
27515352121,7sleep02753286-21kthreadcore11:00:170
26662332120,8sleep00-21swapper/009:40:130
26614292121,7sleep02662740-21kthreadcore09:35:160
26614292121,7sleep02662740-21kthreadcore09:35:160
26035832121,7sleep02605056-21cut08:40:170
25385952120,2sleep2421rcuc/207:39:382
28451032110,6sleep02845152-21unin-run12:35:000
28363942111,2sleep20-21swapper/212:25:172
28343782110,1sleep10-21swapper/112:22:581
28292612111,6sleep02829404-21latency_hist12:20:010
27857652111,5sleep12785811-21ntpq11:30:201
27759932111,5sleep22776064-21unin-run11:25:002
27192022111,1sleep10-21swapper/110:30:161
26504062111,5sleep12650425-21apt-get09:25:111
26354352110,6sleep12636385-21kthreadcore09:10:161
26019672115,3sleep2553-21dbus-daemon08:35:222
25911492111,5sleep02591237-21ntpq08:25:180
25614702111,6sleep02563144-21kthreadcore08:00:170
25232822111,4sleep02523283-21diskstats07:25:140
28171932101,4sleep02817243-21ntpq12:00:210
28079272101,4sleep22807946-21apt-get11:55:102
28014202101,5sleep22801469-21gcc11:45:202
27701152101,4sleep12770359-21users11:15:251
27606802101,4sleep22760884-21diskstats11:10:132
27383992101,5sleep02738477-21/usr/sbin/munin10:45:220
27278622101,4sleep12727918-21ntp_states10:35:211
27136902101,5sleep02713813-21perl10:25:140
27086912100,6sleep22708900-21kthreadcore10:20:152
27068872101,4sleep02706935-21ntpq10:15:200
26973942101,4sleep22697442-21munin-run10:10:012
26235812101,4sleep02623653-21munin-run09:00:010
25808092101,4sleep02580858-21ntpq08:15:200
25631472101,4sleep12564343-21memory08:00:181
25497352101,4sleep12549993-21df_inode07:50:121
25432502100,1sleep10-21swapper/107:40:261
25268542101,5sleep22526967-21ntpq07:25:202
25126242101,4sleep12512827-21diskstats07:15:131
25093262101,4sleep12509372-21ntpq07:10:201
2847867291,3sleep12849176-21memory12:35:171
2827869291,4sleep12828065-21unixbench-2d12:10:241
2811154291,4sleep12807928-21/usr/sbin/munin11:55:171
2796245293,3sleep22796291-21ntp_kernel_pll_11:40:192
2786649290,4sleep20-21swapper/211:33:212
2765854291,4sleep02766070-21diskstats11:15:120
2723873293,3sleep0151ktimers/010:35:120
2712524291,4sleep12712768-21uptime10:20:261
2698898290,1sleep10-21swapper/110:10:161
2696822290,1sleep00-21swapper/010:05:260
2671995291,4sleep22672638-21cut09:45:162
2670314291,4sleep22670451-21grep09:40:232
2666447291,3sleep12666570-21perl09:40:141
2662744290,5sleep12662926-21kthreadcore09:35:171
2662744290,5sleep12662926-21kthreadcore09:35:171
2651053291,4sleep22652670-21cut09:25:162
2627350291,4sleep12627722-21uname09:00:181
2559214291,4sleep02559267-21ld07:55:200
2554837291,3sleep22554715-21apt-get07:55:022
2548231291,4sleep12548281-21ntpq07:45:231
2546086291,4sleep02547882-21tr07:45:180
2520477291,3sleep12521574-21memory07:20:181
2850243280,1sleep20-21swapper/212:38:512
2839647280,1sleep00-21swapper/012:27:500
2818040280,1sleep20-21swapper/212:03:282
2802718281,3sleep12802971-21df11:50:121
2781544281,3sleep12781590-21systemd-run11:30:001
2769686281,3sleep22769734-21ntpq11:15:182
2749091281,3sleep12744787-21/usr/sbin/munin10:55:251
2743367280,4sleep02743502-21netstat10:50:190
2739577281,3sleep22739733-21cstates10:50:132
2734318280,3sleep12734337-21apt-get10:45:111
2727576280,1sleep20-21swapper/210:35:182
2723473280,1sleep20-21swapper/210:33:332
2713959281,3sleep22714591-21kthreadcore10:25:162
2707792280,1sleep20-21swapper/210:18:502
2701628280,4sleep20-21swapper/210:10:212
2687294281,3sleep12687500-21diskstats10:00:141
2681930280,2sleep00-21swapper/009:55:120
2680977280,1sleep10-21swapper/109:50:241
2680444281,3sleep22680584-21grep09:50:172
2660234280,1sleep20-21swapper/209:30:292
2655644280,3sleep12655663-21apt-get09:30:121
2649855280,1sleep00-21swapper/009:21:210
2639578280,2sleep10-21swapper/109:15:131
2633073281,3sleep22633121-21ntpq09:05:202
2625563281,3sleep02627348-21grep09:00:170
2623448280,1sleep10-21swapper/108:58:211
2614049281,3sleep12615505-21cut08:50:161
2601562280,4sleep10-21swapper/108:35:171
2592505280,1sleep10-21swapper/108:30:081
2576765280,2sleep20-21swapper/208:15:022
2570638280,1sleep10-21swapper/108:08:511
2549728281,2sleep00-21swapper/007:50:110
2532543280,1sleep00-21swapper/007:30:270
2529168281,3sleep22530849-21cut07:30:172
2522993280,3sleep12523012-21apt-get07:25:101
2516813281,3sleep22516984-21timerwakeupswit07:15:262
2505271280,3sleep02505290-21apt-get07:10:100
2846194271,3sleep02847866-21grep12:35:160
2844993270,1sleep10-21swapper/112:33:411
2840079270,2sleep22840098-21apt-get12:30:092
2823038270,1sleep00-21swapper/012:05:460
2802696270,2sleep00-21swapper/011:50:110
2791842270,4sleep20-21swapper/211:37:502
2760596271,2sleep00-21swapper/011:10:110
2759340271,3sleep22759392-21/usr/sbin/munin11:05:202
2755610271,3sleep02755801-21expr11:05:140
2749740270,1sleep00-21swapper/010:59:290
2733827270,1sleep20-21swapper/210:42:032
2723585270,4sleep00-21swapper/010:34:560
2718214270,1sleep10-21swapper/110:27:551
2701946270,4sleep00-21swapper/010:10:270
2691930270,1sleep20-21swapper/210:02:072
2686627270,1sleep10-21swapper/109:56:131
2681548271,1sleep00-21swapper/009:53:310
2676157270,1sleep00-21swapper/009:46:300
2655071270,1sleep00-21swapper/009:26:060
2649048271,3sleep1321rcuc/109:20:181
2645702271,2sleep20-21swapper/209:20:152
2629092271,3sleep12629101-21grep09:05:111
2620407270,3sleep22622187-21kthreadcore08:55:182
2613445271,2sleep02613464-21apt-get08:50:110
2608779271,2sleep20-21swapper/208:45:162
2608210270,2sleep10-21swapper/108:45:111
2606987270,3sleep22607041-21ntpq08:40:232
2593080271,2sleep20-21swapper/208:30:172
2588850271,2sleep20-21swapper/208:25:162
2586833270,1sleep00-21swapper/008:22:290
2579008271,3sleep12580613-21latency08:15:171
2554379270,1sleep20-21swapper/207:50:572
2544201270,2sleep20-21swapper/207:45:122
2538613270,3sleep12538615-21modprobe07:39:451
2834205260,2sleep00-21swapper/012:20:490
2828933260,1sleep10-21swapper/112:15:531
2823656261,2sleep00-21swapper/012:10:110
2817873260,1sleep10-21swapper/112:01:181
2801525260,3sleep00-21swapper/011:45:220
2796889260,4sleep00-21swapper/011:40:450
2792296260,2sleep10-21swapper/111:40:101
2791884260,1sleep10-21swapper/111:38:211
2755316260,1sleep10-21swapper/111:05:111
2754953260,1sleep10-21swapper/111:03:461
2749472260,1sleep20-21swapper/210:56:022
2730673260,2sleep00-21swapper/010:40:170
2710542260,3sleep00-21swapper/010:20:170
2704754261,2sleep10-21swapper/110:15:171
2692984261,2sleep10-21swapper/110:05:151
2687779260,2sleep00-21swapper/010:00:170
2676128260,1sleep10-21swapper/109:46:071
2664547260,2sleep22664823-21strings09:35:182
2664547260,2sleep22664823-21strings09:35:182
2655940261,2sleep00-21swapper/009:30:150
2640433261,2sleep20-21swapper/209:15:182
2629462260,3sleep00-21swapper/009:05:140
2608209260,1sleep00-21swapper/008:45:100
2596011261,2sleep00-21swapper/008:30:190
2582651260,3sleep2421rcuc/208:20:152
2582084260,1sleep10-21swapper/108:20:101
2571343261,2sleep10-21swapper/108:10:121
2571251260,1sleep00-21swapper/008:10:030
2570727260,1sleep00-21swapper/008:09:550
2522439260,4sleep20-21swapper/207:21:192
2513106261,2sleep00-21swapper/007:15:150
2806727251,1sleep20-21swapper/211:50:212
2802370250,1sleep10-21swapper/111:49:121
2754715250,1sleep20-21swapper/211:00:432
2637140250,1sleep20-21swapper/209:10:172
2606939250,1sleep10-21swapper/108:40:221
2587863251,1sleep10-21swapper/108:25:151
2564914250,1sleep20-21swapper/208:00:272
2556865251,1sleep10-21swapper/107:55:171
2518787250,2sleep00-21swapper/007:20:170
2509374250,1sleep20-21swapper/207:10:212
2829537240,1sleep20-21swapper/212:20:072
2828823240,1sleep20-21swapper/212:15:022
2781800240,1sleep00-21swapper/011:30:070
2771013240,1sleep00-21swapper/011:20:050
2681837240,1sleep20-21swapper/209:55:022
2538916240,1sleep20-21swapper/207:40:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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