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2026-09-01 - 00:36

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 all highest latencies:
System rackbslot5s.osadl.org (updated Mon Aug 31, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2971087995645,7cyclictest3030439-21grep10:00:013
2971078995038,9cyclictest231ktimers/112:35:111
2971075995038,8cyclictest2985678-21munin-plugin-st07:50:010
2971087994942,5cyclictest3056007-21kworker/u8:3+events_unbound11:35:523
2971075994939,6cyclictest3041977-21grep10:30:260
2971087994722,8cyclictest131rcu_preempt11:25:123
2971075994721,22cyclictest0-21swapper/008:40:260
2971087994519,13cyclictest131rcu_preempt11:45:123
2971083994538,5cyclictest3002615-21kworker/u8:0+events_unbound09:05:302
2971087994437,5cyclictest3071308-21kworker/u8:2+events_unbound12:15:573
2971087994437,5cyclictest3071308-21kworker/u8:2+events_unbound12:15:573
2971087994437,5cyclictest2999161-21kworker/u8:1+events_unbound08:45:263
2971083994437,4cyclictest2995895-21apt08:20:012
2971075994331,9cyclictest2978855-21idleruntime-cro07:30:010
2971075994320,5cyclictest2980153-21grep07:30:260
2971087994132,7cyclictest3042093-21kworker/u8:1+events_unbound11:00:463
2971087994028,8cyclictest2972230-21grep07:10:253
2971087994026,6cyclictest2987036-21kworker/u8:1+events_unbound08:15:413
2971083994034,4cyclictest3051054-21kworker/u8:0+events_unbound11:15:492
2971083994032,6cyclictest3064383-21kworker/u8:0+events_unbound11:44:402
2971078994030,7cyclictest3078400-21apt-get12:20:001
2971078994030,7cyclictest3078400-21apt-get12:20:001
2971087993933,4cyclictest3060987-21kworker/u8:2+events_unbound11:30:503
2971087993931,5cyclictest3002962-21/usr/sbin/munin08:40:253
2971083993929,7cyclictest3054070-21grep11:05:252
2971078993931,4cyclictest0-21swapper/109:35:331
2971083993830,5cyclictest2971446-21fschecks_time07:10:162
2971083993829,5cyclictest3001004-21cron08:35:012
2971083993826,8cyclictest0-21swapper/209:10:262
2971087993728,4cyclictest0-21swapper/309:45:173
2971087993727,7cyclictest2980544-21auditctl07:35:003
2971083993730,4cyclictest2971069-21cyclictest08:10:192
2971083993726,7cyclictest0-21swapper/210:20:272
2971083993726,7cyclictest0-21swapper/209:25:232
2971083993723,5cyclictest3071308-21kworker/u8:2+events_unbound12:18:402
2971083993723,5cyclictest3071308-21kworker/u8:2+events_unbound12:18:402
2971087993618,5cyclictest3056007-21kworker/u8:3+events_unbound11:51:113
2971083993626,6cyclictest0-21swapper/207:25:282
297108399361,5cyclictest131rcu_preempt08:55:122
2971078993626,7cyclictest3040667-21cron10:30:001
2971078993625,8cyclictest3063054-21auditctl11:35:011
2971078993620,13cyclictest231ktimers/109:40:111
2971075993626,6cyclictest0-21swapper/009:00:010
2971087993529,4cyclictest3026838-21kworker/u8:1+events_unbound09:50:363
2971087993527,4cyclictest0-21swapper/307:35:163
2971087993518,6cyclictest2970864-21kworker/u8:1+events_unbound07:18:343
2971083993528,4cyclictest0-21swapper/211:00:002
2971083993527,4cyclictest0-21swapper/210:40:162
2971083993525,7cyclictest2992078-21grep08:05:252
2971078993527,4cyclictest0-21swapper/109:05:151
2971075993528,4cyclictest3037289-21idleruntime-cro10:20:010
2971075993525,6cyclictest0-21swapper/011:20:460
2971087993427,5cyclictest2980267-21kworker/u8:1+events_unbound07:40:103
2971083993423,6cyclictest0-21swapper/210:35:012
2971083993420,10cyclictest311ktimers/207:30:132
2971078993428,4cyclictest2997418-21kworker/u8:0+events_unbound08:25:261
2971078993427,5cyclictest3002615-21kworker/u8:0+events_unbound09:00:281
2971078993425,6cyclictest0-21swapper/107:20:021
2971075993423,8cyclictest3040678-21idleruntime-cro10:30:000
2971087993323,6cyclictest0-21swapper/308:50:243
2971083993326,5cyclictest3033767-21kworker/u8:0+events_unbound10:09:422
2971083993326,4cyclictest3023608-21cron09:40:002
2971083993323,6cyclictest0-21swapper/212:30:262
2971083993322,7cyclictest0-21swapper/210:45:272
2971083993322,7cyclictest0-21swapper/210:45:272
2971078993325,4cyclictest0-21swapper/112:00:001
2971078993325,4cyclictest0-21swapper/107:30:171
2971078993322,7cyclictest0-21swapper/107:50:011
2971075993325,4cyclictest0-21swapper/008:10:260
2971075993324,6cyclictest3084357-21grep12:35:150
2971075993316,14cyclictest3056251-21idleruntime-cro11:15:010
2971087993216,7cyclictest2999161-21kworker/u8:1+events_unbound08:39:573
2971087993216,7cyclictest2999161-21kworker/u8:1+events_unbound08:39:573
297108399328,5cyclictest131rcu_preempt09:55:132
2971078993225,4cyclictest0-21swapper/111:35:261
2971078993224,4cyclictest0-21swapper/110:45:151
2971078993224,4cyclictest0-21swapper/110:45:151
2971078993224,4cyclictest0-21swapper/109:55:161
2971078993224,4cyclictest0-21swapper/109:15:251
2971078993223,6cyclictest0-21swapper/107:29:591
2971078993223,5cyclictest0-21swapper/108:45:261
2971075993225,4cyclictest0-21swapper/010:40:010
2971075993223,5cyclictest2992029-21unixbench_multi08:05:250
2971075993222,7cyclictest2972714-21munin-plugin-st07:15:000
2971075993222,6cyclictest0-21swapper/009:50:010
2971075993221,7cyclictest0-21swapper/008:50:260
2971087993124,5cyclictest3016504-21kworker/u8:1+events_unbound09:20:333
2971087993122,5cyclictest3071990-21grep12:00:163
2971083993124,5cyclictest3075807-21kworker/u8:0+events_unbound12:20:582
2971083993124,5cyclictest3075807-21kworker/u8:0+events_unbound12:20:582
2971083993123,5cyclictest0-21swapper/209:45:252
2971078993124,5cyclictest3033767-21kworker/u8:0+events_unbound10:20:391
2971078993124,4cyclictest0-21swapper/109:45:261
2971078993124,4cyclictest0-21swapper/108:20:261
2971078993123,4cyclictest0-21swapper/110:00:151
2971078993123,4cyclictest0-21swapper/107:35:261
2971075993123,4cyclictest0-21swapper/012:30:260
2971087993024,4cyclictest3037040-21kworker/u8:1+events_unbound10:18:423
2971087993022,4cyclictest0-21swapper/310:05:233
2971087993021,6cyclictest3035548-21sh10:15:013
2971087993021,4cyclictest0-21swapper/309:25:243
2971087993016,6cyclictest2969150-21kworker/u8:0+events_unbound07:27:283
2971083993024,3cyclictest0-21swapper/212:00:252
2971083993024,3cyclictest0-21swapper/208:00:012
2971083993022,4cyclictest0-21swapper/209:15:252
2971083993022,4cyclictest0-21swapper/208:30:012
2971078993022,5cyclictest3020017-21http09:30:011
2971078993022,4cyclictest0-21swapper/110:30:391
2971078993022,4cyclictest0-21swapper/110:10:251
2971078993022,4cyclictest0-21swapper/109:20:141
2971078993021,6cyclictest3056647-21fschecks_time11:15:161
2971078993021,6cyclictest0-21swapper/111:30:011
2971075993014,14cyclictest121ktimers/011:05:220
297108799299,3cyclictest131rcu_preempt12:25:203
297108799299,12cyclictest131rcu_preempt07:45:203
2971087992921,4cyclictest3054052-21grep11:05:253
2971087992921,4cyclictest0-21swapper/307:20:173
2971087992920,6cyclictest2987036-21kworker/u8:1+events_unbound08:21:073
297108799291,5cyclictest0-21swapper/309:05:123
2971087992913,6cyclictest3051054-21kworker/u8:0+events_unbound11:16:593
2971083992920,6cyclictest0-21swapper/210:15:242
2971083992919,6cyclictest0-21swapper/212:10:262
2971083992919,6cyclictest0-21swapper/212:10:262
2971083992919,6cyclictest0-21swapper/211:30:252
2971083992919,6cyclictest0-21swapper/210:50:272
2971083992919,6cyclictest0-21swapper/210:50:272
297108399290,4cyclictest3035542-21cron10:15:002
2971078992920,6cyclictest2972708-21latency_hist07:15:021
2971078992920,5cyclictest0-21swapper/109:10:261
2971075992923,3cyclictest0-21swapper/010:00:010
2971075992922,4cyclictest2999161-21kworker/u8:1-events_power_efficient08:40:010
2971075992922,4cyclictest2999161-21kworker/u8:1-events_power_efficient08:40:010
2971075992921,4cyclictest0-21swapper/007:55:130
2971075992920,4cyclictest0-21swapper/008:30:240
297108799285,13cyclictest3064383-21kworker/u8:0+events_unbound11:59:393
2971087992820,4cyclictest0-21swapper/310:25:243
297108799281,4cyclictest0-21swapper/308:05:123
2971087992813,3cyclictest131rcu_preempt10:50:253
2971087992813,3cyclictest131rcu_preempt10:50:243
297108399287,12cyclictest32-21ksoftirqd/211:10:222
297108399284,4cyclictest131rcu_preempt09:30:112
297108399284,4cyclictest131rcu_preempt09:30:112
2971083992822,4cyclictest32-21ksoftirqd/211:55:112
2971083992822,3cyclictest0-21swapper/208:35:252
2971083992822,3cyclictest0-21swapper/208:35:242
2971083992821,4cyclictest0-21swapper/207:40:152
2971083992819,6cyclictest0-21swapper/211:45:262
2971078992820,5cyclictest0-21swapper/107:50:171
2971078992812,8cyclictest131rcu_preempt08:35:011
2971075992823,3cyclictest0-21swapper/012:05:130
2971075992820,4cyclictest0-21swapper/011:49:590
2971075992818,7cyclictest0-21swapper/010:00:240
2971075992818,6cyclictest0-21swapper/008:15:270
297108799276,4cyclictest131rcu_preempt10:40:263
2971087992716,3cyclictest131rcu_preempt10:55:263
297108799271,13cyclictest0-21swapper/312:05:233
297108399273,12cyclictest0-21swapper/211:01:202
2971083992721,3cyclictest0-21swapper/212:35:232
2971083992719,4cyclictest3007592-21tail08:50:252
2971078992720,5cyclictest3064383-21kworker/u8:0+events_unbound12:01:121
2971078992719,5cyclictest3002256-21unixbench_multi08:35:251
2971078992719,5cyclictest3002256-21unixbench_multi08:35:241
2971078992718,6cyclictest0-21swapper/112:25:261
2971078992718,5cyclictest0-21swapper/110:40:411
2971075992718,6cyclictest3032869-21sort10:05:170
2971075992714,8cyclictest204-21dbus-daemon09:10:290
297107599271,23cyclictest3011461-21sh09:05:010
2971075992712,13cyclictest121ktimers/012:05:000
2971087992620,4cyclictest2985316-21kworker/u8:0+events_unbound07:55:573
2971087992619,5cyclictest3033767-21kworker/u8:0+events_unbound10:30:133
2971087992619,5cyclictest2992173-21kworker/u8:0+events_unbound08:10:373
2971087992617,7cyclictest3013398-21kworker/u8:3+events_unbound09:42:133
2971087992616,6cyclictest0-21swapper/308:55:243
2971087992613,5cyclictest131rcu_preempt11:20:153
2971083992619,4cyclictest2990791-21cron08:05:012
2971083992619,4cyclictest0-21swapper/208:20:272
2971083992617,6cyclictest0-21swapper/207:15:212
2971083992616,7cyclictest0-21swapper/210:00:252
2971078992618,5cyclictest0-21swapper/112:05:251
2971078992618,5cyclictest0-21swapper/107:40:261
2971078992618,4cyclictest0-21swapper/108:00:161
2971078992616,6cyclictest3076703-21ls12:15:001
2971078992616,6cyclictest3076703-21ls12:15:001
2971078992616,6cyclictest0-21swapper/108:00:011
2971078992615,8cyclictest3080331-21apt-get12:25:001
2971078992615,8cyclictest3080331-21apt-get12:24:591
2971075992620,4cyclictest3066076-21grep11:40:260
2971075992618,4cyclictest0-21swapper/010:40:260
297108799255,3cyclictest131rcu_preempt12:20:153
297108799255,3cyclictest131rcu_preempt12:20:153
2971087992519,4cyclictest3000887-21kworker/u8:2+events_unbound08:35:003
2971087992519,3cyclictest0-21swapper/309:15:103
297108799251,8cyclictest0-21swapper/311:40:123
2971087992518,5cyclictest3075807-21kworker/u8:0+events_unbound12:14:263
2971087992518,5cyclictest3075807-21kworker/u8:0+events_unbound12:14:253
297108799251,15cyclictest0-21swapper/310:35:203
297108799251,12cyclictest0-21swapper/311:11:073
297108399259,8cyclictest131rcu_preempt07:55:012
2971083992519,4cyclictest3040680-21latency_hist10:30:012
2971083992519,4cyclictest2976691-21kworker/u8:2+events_unbound07:35:052
2971083992519,4cyclictest0-21swapper/207:20:252
2971083992517,6cyclictest2980267-21kworker/u8:1+events_unbound07:45:122
2971083992516,4cyclictest0-21swapper/210:35:162
2971083992513,7cyclictest1-21systemd11:20:472
2971078992519,3cyclictest0-21swapper/112:30:201
2971078992518,5cyclictest3042093-21kworker/u8:1+events_unbound10:56:571
2971078992518,3cyclictest0-21swapper/108:15:261
2971078992516,7cyclictest145-21jbd2/mmcblk1p2-811:05:051
2971078992514,7cyclictest0-21swapper/109:00:011
2971075992519,3cyclictest0-21swapper/010:45:240
2971075992519,3cyclictest0-21swapper/010:45:240
2971075992516,6cyclictest2998414-21ntp_states08:25:210
2971075992513,8cyclictest204-21dbus-daemon08:20:230
297107599251,20cyclictest0-21swapper/010:11:580
2971075992510,4cyclictest121ktimers/012:15:230
2971075992510,4cyclictest121ktimers/012:15:230
2971087992418,4cyclictest3030253-21kworker/u8:0+events_unbound10:01:143
2971087992417,5cyclictest3022710-21kworker/u8:1+events_unbound09:38:593
2971087992417,5cyclictest3013398-21kworker/u8:3+events_unbound09:34:523
2971087992417,5cyclictest3013398-21kworker/u8:3+events_unbound09:34:523
2971087992417,5cyclictest3013398-21kworker/u8:3+events_unbound09:10:543
2971087992415,5cyclictest0-21swapper/312:30:253
2971083992418,4cyclictest3081295-21kworker/u8:1+events_unbound12:29:422
2971083992418,3cyclictest0-21swapper/208:50:012
2971083992415,5cyclictest0-21swapper/212:10:002
2971083992415,5cyclictest0-21swapper/211:50:272
2971083992414,6cyclictest3011458-21cron09:05:012
2971078992417,4cyclictest0-21swapper/111:20:171
2971078992417,4cyclictest0-21swapper/109:34:591
2971078992417,4cyclictest0-21swapper/109:34:591
2971078992412,9cyclictest2991805-21wc08:05:241
297107599242,5cyclictest3016582-21munin-run09:20:010
2971075992420,2cyclictest13550irq/42-30be0000.ethernet11:15:130
2971075992419,2cyclictest13850irq/36-mmc107:45:010
2971075992419,2cyclictest0-21swapper/011:30:130
2971075992418,3cyclictest3063693-21latency11:35:190
2971075992418,3cyclictest0-21swapper/007:15:170
2971075992417,5cyclictest121ktimers/009:54:560
2971075992417,5cyclictest0-21swapper/009:40:240
2971075992417,3cyclictest0-21swapper/012:25:010
2971075992417,3cyclictest0-21swapper/012:25:000
2971075992415,6cyclictest3037889-21sort10:20:200
297107599241,19cyclictest0-21swapper/008:45:520
297107599241,19cyclictest0-21swapper/008:03:230
297108799233,10cyclictest40-21ksoftirqd/307:50:183
2971087992317,3cyclictest0-21swapper/308:25:213
2971087992316,4cyclictest2990374-21grep08:00:263
2971087992316,4cyclictest0-21swapper/310:45:273
2971087992316,4cyclictest0-21swapper/310:45:273
2971083992315,5cyclictest0-21swapper/209:40:202
297107899233,5cyclictest3067423-21tr11:45:231
2971078992317,4cyclictest3049229-21kworker/u8:2+events_unbound10:54:411
2971078992317,4cyclictest3049229-21kworker/u8:2+events_unbound10:54:411
2971078992317,3cyclictest0-21swapper/107:20:151
2971078992316,5cyclictest3032018-21kworker/u8:2+events_unbound10:05:241
2971078992316,4cyclictest0-21swapper/111:40:181
2971078992315,5cyclictest2993173-21sshd08:10:201
297107899231,12cyclictest0-21swapper/111:00:231
297107599233,18cyclictest0-21swapper/011:01:180
2971075992317,3cyclictest0-21swapper/010:50:430
2971075992317,3cyclictest0-21swapper/010:50:430
2971075992316,4cyclictest13850irq/36-mmc112:14:590
2971075992316,4cyclictest13850irq/36-mmc112:14:590
2971075992316,3cyclictest0-21swapper/011:29:570
297107599231,3cyclictest0-21swapper/012:25:180
2971075992313,6cyclictest0-21swapper/009:06:520
297107599231,18cyclictest0-21swapper/011:51:190
297107599230,19cyclictest0-21swapper/009:20:030
2971087992215,4cyclictest0-21swapper/309:00:273
297108399221,3cyclictest3061346-21cron11:30:012
297107899224,7cyclictest24-21ksoftirqd/109:55:021
2971078992215,5cyclictest145-21jbd2/mmcblk1p2-808:50:111
2971078992213,6cyclictest0-21swapper/110:40:011
2971078992212,6cyclictest0-21swapper/111:50:181
2971075992215,3cyclictest0-21swapper/010:55:070
2971075992213,6cyclictest0-21swapper/009:30:210
2971075992213,6cyclictest0-21swapper/009:30:210
297107599220,18cyclictest0-21swapper/009:25:440
2971083992115,3cyclictest0-21swapper/209:20:302
2971083992113,4cyclictest0-21swapper/211:40:002
2971078992115,3cyclictest0-21swapper/111:10:171
2971075992116,3cyclictest121ktimers/007:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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