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2026-08-01 - 18:40

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 Sat Aug 01, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2874550994840,4cyclictest2983812-21munin-plugin-st12:24:593
2874550994840,4cyclictest2983812-21munin-plugin-st12:24:593
2874550994838,6cyclictest0-21swapper/307:20:023
2874547994841,4cyclictest2917036-21grep09:10:152
2874542994740,5cyclictest145-21jbd2/mmcblk1p2-808:05:231
2874538994736,8cyclictest121ktimers/011:05:130
2874542994532,9cyclictest231ktimers/111:30:131
2874550994434,6cyclictest2978681-21latency_hist12:10:003
2874547994434,8cyclictest2954374-21munin-plugin-st11:00:012
2874542994434,6cyclictest2892122-21munin-plugin-st08:00:011
2874550994335,5cyclictest391ktimers/310:10:133
2874547994335,4cyclictest0-21swapper/207:40:012
2874547994230,7cyclictest0-21swapper/207:15:012
2874538994236,4cyclictest2975076-21idleruntime-cro12:00:000
2874538994235,4cyclictest2937117-21ls10:10:000
2874542994133,4cyclictest2980391-21munin-plugin-st12:15:001
2874542994132,5cyclictest2923916-21fschecks_time09:30:161
2874542994130,7cyclictest2909334-21unixbench_multi08:45:261
2874547994030,7cyclictest2890413-21cron07:55:002
2874542994033,4cyclictest2937113-21auditctl10:10:001
2874550993933,4cyclictest2897598-21kworker/u8:2+events_unbound08:30:413
2874550993930,5cyclictest0-21swapper/307:15:023
2874547993929,7cyclictest311ktimers/208:00:142
2874542993931,5cyclictest2988913-21munin-plugin-st12:40:001
2874542993931,4cyclictest0-21swapper/108:15:171
2874542993929,6cyclictest2900015-21fschecks_time08:20:151
2874542993928,6cyclictest0-21swapper/107:15:011
2874538993932,4cyclictest2933692-21sh10:00:000
2874550993828,5cyclictest2917932-21grep09:10:253
2874547993831,5cyclictest2856482-21kworker/u8:0+events_unbound07:15:042
2874542993826,8cyclictest2945840-21cron10:35:001
2874550993727,6cyclictest2948799-21grep10:40:263
2874547993727,7cyclictest0-21swapper/209:40:002
2874542993726,7cyclictest0-21swapper/108:30:261
2874538993730,4cyclictest2954367-21auditctl11:00:000
2874538993727,6cyclictest0-21swapper/012:15:260
2874538993727,6cyclictest0-21swapper/012:15:260
2874550993627,5cyclictest2937113-21auditctl10:10:003
2874550993627,4cyclictest0-21swapper/310:45:163
2874538993628,4cyclictest2949272-21sh10:45:000
2874538993626,7cyclictest438-21cron07:55:000
2874538993626,6cyclictest0-21swapper/011:15:260
2874538993626,6cyclictest0-21swapper/011:15:260
2874550993528,3cyclictest0-21swapper/307:45:263
2874550993527,4cyclictest0-21swapper/308:10:013
2874550993524,7cyclictest2942897-21fschecks_time10:25:183
2874547993528,4cyclictest0-21swapper/212:05:002
2874547993526,7cyclictest2923469-21apt09:30:022
2874547993525,7cyclictest0-21swapper/211:50:022
2874547993524,7cyclictest0-21swapper/210:05:012
2874542993527,4cyclictest0-21swapper/112:34:591
2874542993526,6cyclictest2929818-21unixbench_multi09:45:251
2874542993525,6cyclictest0-21swapper/111:55:281
2874538993528,3cyclictest0-21swapper/011:10:190
2874538993525,6cyclictest0-21swapper/009:00:170
2874538993525,6cyclictest0-21swapper/009:00:170
2874538993524,7cyclictest0-21swapper/008:20:250
2874538993524,6cyclictest0-21swapper/011:45:270
2874538993524,6cyclictest0-21swapper/009:50:260
2874547993426,4cyclictest0-21swapper/211:40:002
2874547993426,4cyclictest0-21swapper/209:40:262
2874547993425,5cyclictest0-21swapper/211:00:552
2874547993424,6cyclictest0-21swapper/209:10:012
2874547993423,8cyclictest311ktimers/210:50:132
2874542993427,3cyclictest0-21swapper/110:55:001
2874542993426,5cyclictest2878481-21munin-plugin-st07:20:011
2874542993426,4cyclictest0-21swapper/109:50:251
2874538993423,7cyclictest2940153-21sshd10:15:460
2874550993327,4cyclictest2888938-21kworker/u8:0+events_unbound08:00:063
2874550993324,5cyclictest0-21swapper/309:05:243
2874547993324,4cyclictest0-21swapper/210:25:162
2874542993326,4cyclictest2928600-21munin-plugin-st09:45:011
2874542993325,4cyclictest0-21swapper/110:55:181
2874542993322,7cyclictest0-21swapper/111:40:001
2874538993326,4cyclictest2938814-21cron10:15:000
2874538993324,6cyclictest0-21swapper/012:05:270
2874538993323,6cyclictest0-21swapper/010:20:290
2874550993224,4cyclictest0-21swapper/311:45:013
2874550993223,6cyclictest2882348-21cut07:30:173
2874550993223,5cyclictest0-21swapper/310:55:273
2874550993223,4cyclictest0-21swapper/310:15:453
2874550993222,6cyclictest0-21swapper/311:55:263
2874542993225,4cyclictest0-21swapper/111:50:001
2874542993224,4cyclictest0-21swapper/111:00:151
2874542993224,4cyclictest0-21swapper/109:00:271
2874542993224,4cyclictest0-21swapper/109:00:271
2874542993222,6cyclictest0-21swapper/110:10:191
2874542993222,6cyclictest0-21swapper/109:25:261
2874542993221,7cyclictest2879788-21grep07:20:241
2874538993225,4cyclictest2947556-21cut10:40:000
2874538993225,4cyclictest2874146-21kworker/u8:2+events_unbound07:10:030
2874538993224,4cyclictest0-21swapper/009:20:020
2874538993222,6cyclictest0-21swapper/008:55:270
2874538993221,7cyclictest0-21swapper/008:05:280
2874538993213,16cyclictest0-21swapper/008:30:020
2874550993125,4cyclictest2931864-21kworker/u8:1+events_unbound09:56:423
2874550993124,3cyclictest0-21swapper/312:10:283
2874550993123,4cyclictest0-21swapper/310:05:003
2874550993119,7cyclictest0-21swapper/308:00:003
2874547993124,4cyclictest0-21swapper/211:20:262
2874547993124,4cyclictest0-21swapper/211:20:252
2874547993123,4cyclictest0-21swapper/210:10:182
2874547993122,6cyclictest2959552-21grep11:15:002
2874547993120,7cyclictest0-21swapper/208:30:002
2874542993124,4cyclictest0-21swapper/110:45:251
2874542993122,5cyclictest0-21swapper/111:10:301
2874542993121,6cyclictest0-21swapper/109:15:161
2874542993121,6cyclictest0-21swapper/108:15:001
2874542993121,6cyclictest0-21swapper/108:15:001
2874542993120,7cyclictest0-21swapper/110:45:011
2874538993122,4cyclictest0-21swapper/010:55:010
2874550993023,5cyclictest2985226-21kworker/u8:2+events_unbound12:36:053
2874550993021,6cyclictest2911910-21fschecks_count08:55:183
2874550993020,5cyclictest2959882-21grep11:15:163
2874550993020,5cyclictest2959882-21grep11:15:153
2874547993024,3cyclictest0-21swapper/211:15:152
2874547993024,3cyclictest0-21swapper/211:15:152
2874547993023,4cyclictest0-21swapper/207:25:262
2874547993023,3cyclictest0-21swapper/208:50:162
2874547993022,6cyclictest311ktimers/207:45:142
2874547993021,5cyclictest0-21swapper/212:10:272
2874542993021,6cyclictest0-21swapper/112:05:261
2874542993021,5cyclictest0-21swapper/111:50:251
2874542993020,6cyclictest0-21swapper/107:45:251
2874538993021,5cyclictest0-21swapper/011:20:250
2874538993021,5cyclictest0-21swapper/011:20:250
2874550992921,3cyclictest0-21swapper/308:35:163
2874550992920,5cyclictest0-21swapper/311:25:153
2874547992923,3cyclictest0-21swapper/211:50:162
2874547992922,4cyclictest2984174-21fschecks_count12:25:172
2874547992922,3cyclictest0-21swapper/212:30:262
2874542992921,4cyclictest0-21swapper/110:20:181
2874542992920,6cyclictest0-21swapper/107:30:261
2874542992918,7cyclictest0-21swapper/108:00:271
2874542992918,6cyclictest0-21swapper/112:25:271
287453899292,3cyclictest0-21swapper/007:39:160
2874538992921,5cyclictest0-21swapper/007:40:280
2874538992920,5cyclictest0-21swapper/011:00:250
2874538992919,6cyclictest0-21swapper/009:40:250
2874538992919,6cyclictest0-21swapper/007:30:010
2874538992915,9cyclictest0-21swapper/011:51:010
287455099289,7cyclictest2919811-21kworker/u8:1+events_unbound09:19:013
2874550992822,4cyclictest2878252-21kworker/u8:2+events_unbound07:23:423
2874550992821,5cyclictest2883390-21kworker/u8:1+events_unbound07:35:083
2874550992821,4cyclictest2902995-21sh08:30:013
2874550992820,4cyclictest0-21swapper/311:15:003
2874550992820,4cyclictest0-21swapper/308:45:253
2874550992818,7cyclictest2973341-21sh11:55:003
2874550992818,5cyclictest0-21swapper/311:00:243
287455099281,5cyclictest2951204-21apt-get10:50:163
2874550992815,10cyclictest2941791-21wc10:20:283
287454799288,5cyclictest131rcu_preempt09:00:142
287454799288,5cyclictest131rcu_preempt09:00:132
2874547992821,4cyclictest2947544-21cron10:40:012
2874547992820,4cyclictest2964209-21grep11:25:252
2874547992820,4cyclictest0-21swapper/208:20:242
2874547992818,7cyclictest2944670-21if_eth010:30:182
2874547992818,7cyclictest2933700-21sendmail10:00:002
2874547992818,6cyclictest2904247-21grep08:30:262
2874547992818,4cyclictest0-21swapper/210:15:252
2874547992816,8cyclictest2892146-21awk08:00:002
2874538992821,4cyclictest0-21swapper/009:50:010
2874538992821,3cyclictest0-21swapper/008:50:000
2874538992819,5cyclictest0-21swapper/008:15:000
2874538992819,5cyclictest0-21swapper/008:15:000
2874550992720,3cyclictest0-21swapper/312:35:003
2874550992719,4cyclictest0-21swapper/312:25:283
2874550992718,4cyclictest0-21swapper/309:30:163
2874550992716,7cyclictest0-21swapper/308:15:253
287454799279,5cyclictest2895645-21kworker/u8:1+events_unbound08:10:432
287454799279,5cyclictest2895645-21kworker/u8:1+events_unbound08:10:422
2874547992720,4cyclictest2895759-21idleruntime-cro08:10:002
2874547992720,4cyclictest0-21swapper/211:30:262
2874547992719,4cyclictest0-21swapper/209:50:162
2874547992718,6cyclictest0-21swapper/207:30:272
2874547992717,6cyclictest0-21swapper/209:20:242
2874542992718,4cyclictest0-21swapper/107:50:151
2874542992716,8cyclictest438-21cron10:30:001
2874538992721,3cyclictest0-21swapper/009:35:260
2874550992620,4cyclictest2959244-21kworker/u8:0+events_unbound11:22:423
2874550992620,4cyclictest2959244-21kworker/u8:0+events_unbound11:22:413
2874550992620,3cyclictest0-21swapper/307:50:173
2874550992619,5cyclictest2976831-21kworker/u8:0+events_unbound12:03:263
2874550992618,4cyclictest0-21swapper/309:25:173
2874550992617,6cyclictest2957785-21cron11:10:003
2874547992619,3cyclictest0-21swapper/210:05:162
2874547992618,4cyclictest0-21swapper/208:45:252
2874542992620,4cyclictest2955895-21kworker/u8:3+events_unbound11:05:571
2874542992620,3cyclictest0-21swapper/109:10:001
2874542992619,4cyclictest0-21swapper/110:00:271
2874542992617,5cyclictest0-21swapper/111:25:261
2874542992617,5cyclictest0-21swapper/107:35:171
2874542992616,6cyclictest0-21swapper/107:25:271
287453899267,16cyclictest2878467-21cron07:20:010
2874538992622,2cyclictest13550irq/42-30be0000.ethernet08:35:130
2874538992622,2cyclictest13550irq/42-30be0000.ethernet07:57:350
2874538992620,4cyclictest2874531-21cyclictest07:30:270
2874538992619,3cyclictest0-21swapper/007:20:200
2874538992617,5cyclictest0-21swapper/009:30:160
2874538992616,6cyclictest2898292-21fschecks_time08:15:160
2874550992519,3cyclictest0-21swapper/308:10:263
2874550992519,3cyclictest0-21swapper/308:10:263
2874550992518,4cyclictest0-21swapper/309:00:233
2874550992518,4cyclictest0-21swapper/309:00:223
2874550992517,5cyclictest2971553-21date11:50:013
2874550992515,6cyclictest2929867-21grep09:45:263
2874550992515,5cyclictest2965005-21fschecks_count11:30:153
2874550992510,5cyclictest2907630-21unixbench_multi08:40:253
2874547992519,3cyclictest0-21swapper/211:40:162
2874547992519,3cyclictest0-21swapper/208:35:252
2874547992518,3cyclictest0-21swapper/211:05:262
287454799251,7cyclictest2988062-21ps12:35:242
287454799251,6cyclictest131rcu_preempt09:30:132
2874547992510,5cyclictest2897598-21kworker/u8:2+events_unbound08:15:242
2874542992517,4cyclictest0-21swapper/110:15:221
2874542992517,4cyclictest0-21swapper/109:20:241
2874538992519,3cyclictest0-21swapper/007:45:210
2874538992517,5cyclictest0-21swapper/011:40:170
2874538992517,5cyclictest0-21swapper/011:35:260
2874538992517,5cyclictest0-21swapper/009:20:250
2874538992514,7cyclictest0-21swapper/009:10:250
2874538992511,12cyclictest2874531-21cyclictest08:00:150
287455099242,14cyclictest2981619-21unixbench_multi12:15:263
287455099242,14cyclictest2981619-21unixbench_multi12:15:263
2874550992417,4cyclictest2880973-21ntpq07:25:213
2874550992416,3cyclictest0-21swapper/309:40:203
2874550992414,7cyclictest2967120-21ntp_states11:35:223
2874550992412,7cyclictest2886614-21grep07:40:283
2874547992418,3cyclictest0-21swapper/209:15:162
2874547992416,5cyclictest0-21swapper/209:00:002
2874542992418,3cyclictest0-21swapper/111:40:231
2874542992415,6cyclictest0-21swapper/111:20:001
2874542992415,6cyclictest0-21swapper/111:20:001
2874542992415,6cyclictest0-21swapper/109:35:271
2874542992414,7cyclictest204-21dbus-daemon08:50:371
2874538992418,4cyclictest0-21swapper/012:25:140
2874538992417,3cyclictest0-21swapper/012:31:170
2874538992417,3cyclictest0-21swapper/012:00:160
2874538992417,3cyclictest0-21swapper/010:30:160
287453899241,19cyclictest0-21swapper/012:11:380
287453899241,19cyclictest0-21swapper/010:26:100
287453899241,19cyclictest0-21swapper/009:27:290
2874550992315,6cyclictest2897598-21kworker/u8:2+events_unbound08:20:123
2874550992315,4cyclictest0-21swapper/309:50:263
2874550992314,7cyclictest2921542-21kworker/u8:0+events_unbound09:24:123
287454799234,12cyclictest301rcuc/208:45:022
2874547992317,2cyclictest0-21swapper/207:20:142
2874547992315,5cyclictest0-21swapper/207:45:002
2874547992315,4cyclictest0-21swapper/212:15:272
2874547992315,4cyclictest0-21swapper/212:15:272
2874547992314,6cyclictest2978189-21grep12:05:262
2874542992315,5cyclictest231ktimers/108:25:191
2874542992315,5cyclictest0-21swapper/110:40:001
2874542992314,7cyclictest2982806-21sed12:20:201
2874542992314,7cyclictest2982806-21sed12:20:201
2874542992314,6cyclictest0-21swapper/109:15:011
2874538992317,4cyclictest2906107-21kworker/u8:2+events_unbound08:40:380
2874538992315,5cyclictest0-21swapper/010:45:260
2874538992313,6cyclictest0-21swapper/012:35:160
287453899231,20cyclictest0-21swapper/009:05:210
287453899231,18cyclictest0-21swapper/012:22:410
287453899231,18cyclictest0-21swapper/012:22:410
287453899230,19cyclictest0-21swapper/011:28:330
287453899230,19cyclictest0-21swapper/010:01:000
287455099223,11cyclictest2947553-21munin-run10:40:003
287455099222,16cyclictest2911059-21tail08:50:253
2874550992216,4cyclictest2924966-21kworker/u8:1+events_unbound09:35:433
287455099221,15cyclictest2945393-21unixbench_multi10:30:253
2874547992216,3cyclictest0-21swapper/209:45:262
2874547992215,4cyclictest2948859-21grep10:40:262
2874542992216,3cyclictest0-21swapper/111:20:181
2874542992216,3cyclictest0-21swapper/111:20:181
2874542992216,3cyclictest0-21swapper/108:35:211
2874542992213,5cyclictest0-21swapper/109:00:001
287453899221,19cyclictest0-21swapper/008:30:220
287453899220,18cyclictest0-21swapper/008:50:060
2874547992115,4cyclictest2974307-21mailstats11:55:252
2874542992115,3cyclictest0-21swapper/112:15:191
2874542992115,3cyclictest0-21swapper/112:15:191
2874542992115,3cyclictest0-21swapper/107:40:221
2874542992111,7cyclictest0-21swapper/112:00:201
2874538992114,4cyclictest2965419-21ntpq11:30:220
2874547992010,7cyclictest2949659-21tune2fs10:45:162
2874542992010,6cyclictest2932368-21uniq09:55:181
2874542992010,6cyclictest0-21swapper/108:40:261
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