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2026-02-09 - 12:21
[ 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 #5

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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  Phytec
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.

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 rackbslot5s.osadl.org (updated Mon Feb 09, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257371199551,35cyclictest2628052-21latency_hist21:45:010
257371199540,44cyclictest0-21swapper/020:25:120
2573715995144,4cyclictest2588360-21munin-plugin-st19:50:001
257371199510,41cyclictest0-21swapper/020:35:130
257371199497,24cyclictest2659987-21cat23:15:250
2573711994935,10cyclictest121ktimers/020:55:110
257371199491,45cyclictest2665806-21cron23:32:590
257371199480,40cyclictest0-21swapper/000:20:110
2573711994732,10cyclictest121ktimers/000:10:130
257371199472,27cyclictest2574424-21ntpq19:10:220
2573722994638,4cyclictest2674749-21munin-run00:00:003
2573722994637,5cyclictest2653598-21idleruntime-cro23:00:013
2573715994638,5cyclictest2577659-21apt-get19:20:001
2573715994533,9cyclictest231ktimers/121:50:121
257371199450,40cyclictest0-21swapper/023:55:100
257371199450,29cyclictest0-21swapper/021:45:130
257371199441,26cyclictest2643272-21taskset22:29:330
2573711994337,3cyclictest2577668-21munin-plugin-st19:20:010
257371199431,37cyclictest2584960-21munin-node19:40:120
257371199431,36cyclictest2668147-21apt-get23:40:120
257371199431,34cyclictest0-21swapper/021:35:130
257371199430,33cyclictest0-21swapper/023:35:110
257371199430,31cyclictest0-21swapper/000:15:130
2573722994235,4cyclictest2668312-21fschecks_count23:40:163
2573711994234,4cyclictest0-21swapper/021:25:010
2573711994232,6cyclictest0-21swapper/022:40:000
2573711994214,25cyclictest2650710-21if_eth122:50:190
257371199421,36cyclictest2677270-21/usr/sbin/munin00:05:200
257371199421,36cyclictest2630392-21/usr/sbin/munin21:50:200
257371199421,36cyclictest2616630-21/usr/sbin/munin21:10:200
257371199421,36cyclictest2592278-21basename20:00:170
257371199421,36cyclictest2586993-21/usr/sbin/munin19:45:160
257371199421,35cyclictest0-21swapper/000:25:120
257371199421,34cyclictest0-21swapper/021:55:130
2573722994133,5cyclictest2627632-21kworker/u8:2+events_unbound22:00:133
2573711994118,18cyclictest2649155-21sort22:45:210
257371199411,37cyclictest2647434-21/usr/sbin/munin22:40:180
257371199411,37cyclictest2608793-21cron20:49:000
257371199411,36cyclictest2602880-21/usr/sbin/munin20:30:210
257371199411,35cyclictest2675103-21df00:00:150
257371199404,30cyclictest2653825-21apt-get23:00:110
2573711994026,10cyclictest121ktimers/000:35:140
257371199401,36cyclictest2613320-21/usr/sbin/munin21:00:230
257371199401,36cyclictest2597771-21/usr/sbin/munin20:15:240
257371199401,26cyclictest2652676-21ntp_states22:55:230
2573722993932,4cyclictest2624485-21cron21:35:013
2573722993929,7cyclictest391ktimers/300:00:123
2573720993928,7cyclictest2651420-21grep22:50:262
257371199392,32cyclictest2599125-21/usr/sbin/munin20:20:150
257371199391,35cyclictest2663079-21/usr/sbin/munin23:25:160
257371199391,33cyclictest2605822-21/usr/sbin/munin20:40:160
257371199391,33cyclictest2594171-21meminfo20:05:190
257371199391,32cyclictest2590292-21apt-get19:55:110
2573722993827,7cyclictest2584709-21sh19:40:013
257371199384,30cyclictest2633289-21taskset22:00:130
257371199381,34cyclictest2672962-21sshd23:54:130
257371199381,34cyclictest2640807-21/usr/sbin/munin22:20:220
257371199381,34cyclictest2639041-21/usr/sbin/munin22:15:220
257371199381,34cyclictest2635371-21/usr/sbin/munin22:05:180
2573711993812,23cyclictest2584372-21sh19:36:010
2573711993812,23cyclictest121ktimers/019:20:110
257371199380,33cyclictest2621313-21/usr/sbin/munin21:25:120
257371199380,29cyclictest0-21swapper/020:10:120
2573722993728,4cyclictest0-21swapper/319:20:013
2573720993727,6cyclictest0-21swapper/222:00:312
257371199373,31cyclictest2669970-21diskstats23:45:140
2573711993726,7cyclictest2610588-21apt20:55:000
257371199372,30cyclictest2643633-21/usr/sbin/munin22:30:130
257371199371,33cyclictest2657447-21apt-get23:10:130
257371199371,33cyclictest2655743-21apt-get23:05:120
257371199371,33cyclictest2618128-21/usr/sbin/munin21:15:160
257371199371,33cyclictest2582449-21/usr/sbin/munin19:30:250
257371199371,33cyclictest2580494-21processes19:25:230
257371199371,31cyclictest2623467-21meminfo21:30:190
257371199371,31cyclictest2588700-21df_inode19:50:140
257371199370,30cyclictest2614463-21apt-get21:05:120
2573722993628,6cyclictest2667622-21kworker/u8:2+events_unbound23:47:123
2573722993628,5cyclictest2619353-21cron21:20:003
2573722993628,4cyclictest0-21swapper/322:20:003
2573720993626,6cyclictest0-21swapper/220:45:012
2573720993623,4cyclictest131rcu_preempt00:15:082
2573715993628,4cyclictest0-21swapper/120:25:001
2573715993626,7cyclictest2607173-21sh20:45:001
2573715993624,9cyclictest2603499-21sshd20:32:071
257371199361,32cyclictest2637298-21/usr/sbin/munin22:10:200
257371199361,31cyclictest2685246-21/usr/sbin/munin00:30:090
257371199360,30cyclictest2660886-21apt-get23:20:150
257372099357,6cyclictest32-21ksoftirqd/219:15:032
2573720993528,4cyclictest311ktimers/200:25:152
2573720993527,5cyclictest0-21swapper/200:00:012
2573720993525,6cyclictest0-21swapper/222:45:012
2573715993529,4cyclictest2634770-21runrttasks22:05:001
2573715993527,5cyclictest26315612sleep121:55:111
2573715993527,4cyclictest2619362-21cron21:20:011
2573722993423,8cyclictest391ktimers/322:35:113
2573722993423,7cyclictest0-21swapper/321:30:013
257372099348,8cyclictest32-21ksoftirqd/222:25:002
2573720993428,4cyclictest2591774-21cut20:00:012
2573715993428,4cyclictest2619297-21kworker/u8:0+events_unbound21:47:221
2573722993325,6cyclictest2644801-21kworker/u8:2+events_unbound22:52:393
2573722993323,7cyclictest2632570-21grep21:55:263
2573722993323,7cyclictest2624870-21fschecks_count21:35:183
2573720993326,3cyclictest0-21swapper/221:45:232
2573720993325,3cyclictest0-21swapper/200:20:162
2573720993322,8cyclictest301rcuc/223:53:422
2573720993314,11cyclictest131rcu_preempt23:00:012
2573715993323,7cyclictest2598623-21idleruntime-cro20:20:001
2573715993323,7cyclictest2582535-21unixbench_multi19:30:261
2573722993223,4cyclictest2655290-21cron23:05:003
257372099325,8cyclictest32-21ksoftirqd/219:30:232
2573720993225,4cyclictest0-21swapper/221:20:322
2573720993223,6cyclictest2638167-21cron22:15:012
2573720993222,7cyclictest311ktimers/223:45:232
2573720993221,8cyclictest0-21swapper/221:00:002
2573720993218,3cyclictest131rcu_preempt19:20:062
2573720993216,5cyclictest131rcu_preempt20:00:242
2573720993215,10cyclictest131rcu_preempt22:35:192
2573720993215,10cyclictest131rcu_preempt00:10:162
2573720993214,10cyclictest131rcu_preempt21:35:142
2573720993210,13cyclictest131rcu_preempt21:15:172
2573715993224,4cyclictest0-21swapper/122:17:261
2573722993122,5cyclictest0-21swapper/321:45:243
2573722993120,7cyclictest2589659-21unixbench_singl19:50:253
257372099318,13cyclictest32-21ksoftirqd/200:30:172
257372099317,21cyclictest311ktimers/221:45:022
2573720993124,4cyclictest0-21swapper/220:20:152
2573720993123,5cyclictest0-21swapper/219:25:262
2573720993121,7cyclictest311ktimers/223:35:012
2573720993121,4cyclictest131rcu_preempt00:02:362
2573720993120,4cyclictest131rcu_preempt23:05:192
2573720993118,4cyclictest131rcu_preempt22:16:232
2573720993115,5cyclictest131rcu_preempt23:25:012
2573720993115,4cyclictest131rcu_preempt20:10:172
2573720993114,4cyclictest131rcu_preempt23:00:262
2573720993113,10cyclictest131rcu_preempt19:10:232
2573720993112,11cyclictest0-21swapper/220:35:402
2573715993123,5cyclictest0-21swapper/120:55:251
2573715993123,4cyclictest0-21swapper/122:35:261
2573715993121,5cyclictest0-21swapper/122:45:171
2573715993120,7cyclictest0-21swapper/119:50:251
2573715993117,9cyclictest231ktimers/123:30:111
2573722993024,4cyclictest2575283-21kworker/u8:0+events_unbound19:26:533
2573722993022,4cyclictest0-21swapper/323:20:013
2573722993022,4cyclictest0-21swapper/320:55:153
257372099309,5cyclictest32-21ksoftirqd/221:10:262
257372099307,19cyclictest311ktimers/223:40:002
257372099302,8cyclictest32-21ksoftirqd/200:05:152
2573720993023,4cyclictest0-21swapper/219:45:272
2573720993014,4cyclictest131rcu_preempt23:10:122
2573720993013,10cyclictest131rcu_preempt19:50:162
2573720993010,5cyclictest131rcu_preempt20:25:162
2573715993024,4cyclictest2660249-21kworker/u8:0+events_unbound23:17:481
2573715993024,4cyclictest2575283-21kworker/u8:0+events_unbound19:21:511
2573715993023,5cyclictest2686477-21kworker/u8:2+events_unbound00:36:421
2573715993023,5cyclictest2575283-21kworker/u8:0+events_unbound19:26:441
2573715993023,4cyclictest0-21swapper/100:15:251
2573715993023,4cyclictest0-21swapper/100:10:151
2573715993022,5cyclictest2665684-21kworker/u8:0+events_unbound23:35:151
2573715993022,4cyclictest0-21swapper/122:20:151
2573715993020,7cyclictest0-21swapper/123:05:001
257371599301,5cyclictest131rcu_preempt20:50:121
257371599300,5cyclictest131rcu_preempt00:30:101
2573722992922,3cyclictest0-21swapper/300:40:003
2573722992921,4cyclictest0-21swapper/321:10:173
257372099297,5cyclictest311ktimers/220:35:002
257372099296,7cyclictest32-21ksoftirqd/222:25:252
257372099296,6cyclictest32-21ksoftirqd/220:50:022
257372099296,4cyclictest32-21ksoftirqd/223:16:052
2573720992920,7cyclictest311ktimers/200:35:202
2573720992918,8cyclictest311ktimers/221:10:012
2573720992917,5cyclictest131rcu_preempt22:30:222
2573720992914,4cyclictest131rcu_preempt20:05:132
2573720992913,9cyclictest131rcu_preempt21:25:192
2573720992912,4cyclictest131rcu_preempt21:55:122
2573720992911,11cyclictest131rcu_preempt19:40:152
2573720992910,11cyclictest131rcu_preempt21:00:042
2573715992922,5cyclictest2660249-21kworker/u8:0+events_unbound23:25:101
2573715992918,8cyclictest2661936-21unixbench_singl23:20:271
257371599291,4cyclictest131rcu_preempt23:55:121
2573722992820,4cyclictest0-21swapper/320:35:253
2573722992819,4cyclictest0-21swapper/322:30:263
257372099288,4cyclictest311ktimers/219:35:142
2573720992819,7cyclictest311ktimers/223:25:162
2573720992817,3cyclictest131rcu_preempt21:50:242
2573720992814,4cyclictest131rcu_preempt21:30:212
2573720992814,4cyclictest131rcu_preempt20:15:132
2573715992820,4cyclictest0-21swapper/122:30:251
2573715992818,6cyclictest0-21swapper/123:05:271
2573722992721,3cyclictest2615940-21kthreadd21:10:013
2573722992718,6cyclictest0-21swapper/321:50:263
2573722992716,7cyclictest1-21systemd21:42:203
2573722992716,7cyclictest0-21swapper/322:45:263
257372099278,4cyclictest0-21swapper/220:50:202
2573720992711,9cyclictest131rcu_preempt22:05:132
2573715992721,3cyclictest0-21swapper/120:00:161
2573715992720,4cyclictest0-21swapper/120:45:241
2573715992710,5cyclictest2617517-21kworker/u8:2+events_unbound21:13:441
2573722992620,3cyclictest2605802-21sshd20:40:153
2573722992619,5cyclictest199-21systemd-network19:20:023
2573722992618,5cyclictest2596434-21unixbench_multi20:10:263
2573722992618,4cyclictest0-21swapper/300:15:173
257371599269,6cyclictest131rcu_preempt21:30:231
2573715992620,4cyclictest2667622-21kworker/u8:2+events_unbound23:43:421
2573715992620,4cyclictest2584326-21kworker/u8:0+events_unbound19:40:251
2573715992619,5cyclictest2589832-21kworker/u8:1+events_unbound19:55:181
2573715992613,9cyclictest204-21dbus-daemon23:47:101
257371599260,4cyclictest131rcu_preempt21:40:121
2573722992519,4cyclictest2600217-21kworker/u8:2+events_unbound20:50:413
2573722992519,3cyclictest0-21swapper/322:10:183
2573722992517,5cyclictest0-21swapper/323:30:233
2573722992517,4cyclictest645-21runrttasks00:05:213
2573722992517,4cyclictest0-21swapper/300:30:233
2573722992517,4cyclictest0-21swapper/300:10:253
257371599255,7cyclictest131rcu_preempt00:25:161
2573715992519,3cyclictest0-21swapper/122:55:231
2573715992519,3cyclictest0-21swapper/121:25:171
2573715992519,3cyclictest0-21swapper/121:20:331
2573715992518,3cyclictest0-21swapper/122:50:211
2573715992517,5cyclictest2626202-21sh21:40:001
2573722992418,3cyclictest0-21swapper/321:00:153
2573722992417,4cyclictest0-21swapper/320:30:233
2573722992417,4cyclictest0-21swapper/319:45:273
2573722992417,3cyclictest0-21swapper/320:50:013
2573722992416,4cyclictest0-21swapper/323:50:173
2573722992413,7cyclictest0-21swapper/319:10:263
2573715992418,4cyclictest2644801-21kworker/u8:2+events_unbound22:41:011
2573715992410,9cyclictest164-21systemd-journal23:50:391
2573722992317,4cyclictest2600328-21cron20:25:013
2573722992315,4cyclictest0-21swapper/323:05:263
2573722992314,5cyclictest0-21swapper/319:40:253
2573722992313,6cyclictest0-21swapper/323:35:233
2573722992313,6cyclictest0-21swapper/320:05:263
257371599234,8cyclictest131rcu_preempt20:25:191
2573715992317,4cyclictest2639668-21kworker/u8:1+events_unbound22:25:181
2573715992317,4cyclictest2631017-21kworker/u8:1+events_unbound22:06:281
2573715992317,4cyclictest2603713-21kworker/u8:1+events_unbound20:39:011
2573715992316,4cyclictest2674556-21kworker/u8:2+events_unbound00:03:171
2573715992310,9cyclictest2637764-21grep22:10:241
2573722992216,3cyclictest0-21swapper/322:40:133
2573722992216,3cyclictest0-21swapper/322:25:253
2573722992216,3cyclictest0-21swapper/322:05:203
2573722992216,3cyclictest0-21swapper/320:15:173
2573722992213,7cyclictest2601145-21ntp_states20:25:223
2573722992212,8cyclictest2683492-21wc00:25:003
257372299220,7cyclictest2683548-21apt-get00:25:143
2573715992216,4cyclictest2676728-21cpu00:05:131
2573715992216,4cyclictest2658001-21awk23:10:211
2573715992216,3cyclictest0-21swapper/121:05:241
2573715992215,3cyclictest0-21swapper/120:05:181
257371599221,4cyclictest0-21swapper/119:35:161
2573715992213,6cyclictest231ktimers/121:00:061
257371599221,11cyclictest0-21swapper/119:14:211
2573722992115,4cyclictest2584326-21kworker/u8:0+events_unbound20:02:013
2573722992115,3cyclictest0-21swapper/323:25:203
2573722992113,5cyclictest0-21swapper/319:55:143
2573722992012,6cyclictest0-21swapper/323:20:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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