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2026-03-28 - 19:34

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 Mar 28, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2821366994836,8cyclictest2908239-21grep11:20:011
2821375994738,6cyclictest391ktimers/311:40:113
2821366994736,6cyclictest2863050-21cron09:10:001
2821362994739,5cyclictest2894372-21cron10:40:000
2821362994739,4cyclictest2839172-21sh08:00:000
2821370994636,7cyclictest2852822-21sendmail08:40:012
2821366994435,5cyclictest2846003-21grep08:20:011
2821366994435,5cyclictest2846003-21grep08:20:001
2821370994235,4cyclictest2882260-21munin-plugin-st10:05:012
2821366994132,6cyclictest2887344-21cron10:20:011
2821362994129,7cyclictest0-21swapper/010:55:250
2821375994031,5cyclictest2870105-21munin-plugin-st09:30:013
2821370994033,4cyclictest2878838-21idleruntime-cro09:55:002
2821366994031,6cyclictest2920180-21cut11:55:001
2821366993930,5cyclictest2911658-21cut11:30:001
2821366993928,7cyclictest0-21swapper/108:55:011
2821362993930,6cyclictest2835783-21munin-plugin-st07:50:000
2821362993928,7cyclictest0-21swapper/009:00:010
2821370993831,5cyclictest2822860-21kworker/u8:0+events_unbound07:20:122
2821370993831,4cyclictest2922083-21seq12:00:002
2821366993826,8cyclictest2825340-21sendmail07:20:001
2821370993729,4cyclictest0-21swapper/209:45:012
2821366993727,6cyclictest0-21swapper/111:45:011
2821362993729,4cyclictest0-21swapper/012:20:010
2821362993728,5cyclictest0-21swapper/007:50:170
2821362993726,6cyclictest0-21swapper/012:30:000
2821375993626,6cyclictest0-21swapper/311:35:243
2821370993629,4cyclictest2887364-21sendmail10:20:002
2821370993625,8cyclictest2870558-21tune2fs09:30:162
2821370993624,10cyclictest311ktimers/211:40:102
2821366993628,5cyclictest1-21systemd07:50:201
2821366993628,4cyclictest2873507-21sendmail09:40:001
2821366993627,5cyclictest2935942-21munin-run12:40:001
2821366993626,7cyclictest2922076-21sh11:59:591
2821366993625,7cyclictest0-21swapper/108:40:251
2821362993629,4cyclictest2906524-21sh11:15:000
2821362993627,7cyclictest2897808-21munin-plugin-st10:50:000
2821362993627,5cyclictest0-21swapper/009:35:230
2821362993626,6cyclictest0-21swapper/012:40:000
2821362993626,6cyclictest0-21swapper/009:40:250
2821375993527,4cyclictest0-21swapper/307:30:273
2821375993526,6cyclictest0-21swapper/311:05:253
2821375993525,6cyclictest2907753-21grep11:15:303
2821375993525,6cyclictest0-21swapper/309:15:003
2821375993511,5cyclictest131rcu_preempt12:39:593
2821370993527,4cyclictest0-21swapper/211:10:252
282137099351,6cyclictest131rcu_preempt07:40:122
2821362993526,5cyclictest0-21swapper/008:30:180
2821362993525,6cyclictest0-21swapper/011:55:010
2821362993524,6cyclictest0-21swapper/011:25:260
2821375993427,4cyclictest2852823-21munin-plugin-st08:40:013
2821375993426,4cyclictest0-21swapper/310:25:253
2821375993424,7cyclictest2922074-21cron12:00:003
2821370993427,3cyclictest0-21swapper/207:15:012
2821366993427,4cyclictest2828272-21unixbench_multi07:25:271
2821366993425,5cyclictest0-21swapper/111:30:241
2821366993425,5cyclictest0-21swapper/109:15:181
2821366993424,6cyclictest0-21swapper/109:50:251
2821366993421,8cyclictest0-21swapper/111:20:251
2821362993424,6cyclictest0-21swapper/011:45:010
2821362993424,6cyclictest0-21swapper/010:50:170
2821362993424,6cyclictest0-21swapper/007:25:010
2821362993423,6cyclictest0-21swapper/009:45:270
2821375993325,5cyclictest0-21swapper/311:45:343
2821375993324,6cyclictest0-21swapper/308:40:263
2821370993327,3cyclictest0-21swapper/211:30:012
2821370993323,6cyclictest2893911-21grep10:35:262
2821366993325,4cyclictest0-21swapper/111:35:251
2821362993323,6cyclictest0-21swapper/009:55:240
2821375993225,4cyclictest0-21swapper/312:25:253
2821375993224,5cyclictest2517857-21kworker/u8:2+events_unbound07:10:113
2821375993223,6cyclictest2860887-21grep09:00:273
2821375993223,6cyclictest0-21swapper/310:40:013
2821375993221,7cyclictest2850667-21grep08:30:273
2821370993226,3cyclictest0-21swapper/208:05:162
2821370993224,5cyclictest2872165-21grep09:35:152
2821370993224,4cyclictest0-21swapper/212:15:252
2821370993224,4cyclictest0-21swapper/211:30:252
2821370993220,8cyclictest2824901-21grep07:15:262
2821366993224,4cyclictest0-21swapper/110:05:241
2821362993224,4cyclictest0-21swapper/008:45:000
2821362993223,6cyclictest2876912-21kworker/u8:1+events_unbound10:10:110
2821362993222,6cyclictest0-21swapper/011:55:250
2821375993123,4cyclictest2901200-21apt11:00:013
2821375993123,4cyclictest0-21swapper/312:20:173
2821375993123,4cyclictest0-21swapper/309:55:143
2821375993123,4cyclictest0-21swapper/307:50:263
2821375993121,7cyclictest391ktimers/310:15:113
2821375993119,7cyclictest0-21swapper/312:00:233
2821375993118,8cyclictest2912093-21cut11:30:163
2821370993124,4cyclictest0-21swapper/211:55:002
2821370993124,4cyclictest0-21swapper/208:30:002
2821366993124,5cyclictest2883828-21kworker/u8:2+events_unbound10:10:471
2821366993123,4cyclictest0-21swapper/108:35:251
2821366993121,6cyclictest0-21swapper/108:25:011
2821362993124,4cyclictest0-21swapper/011:15:300
2821362993122,5cyclictest0-21swapper/011:20:260
2821362993122,5cyclictest0-21swapper/011:05:250
2821362993122,5cyclictest0-21swapper/007:15:010
2821362993121,6cyclictest0-21swapper/010:05:010
2821362993121,6cyclictest0-21swapper/009:20:260
282136299311,27cyclictest0-21swapper/009:30:130
2821375993023,4cyclictest0-21swapper/307:25:013
2821375993021,5cyclictest2883519-21grep10:05:253
2821375993019,4cyclictest0-21swapper/307:15:043
2821370993023,5cyclictest2899262-21kworker/u8:1+events_unbound11:00:552
2821370993021,6cyclictest0-21swapper/211:15:292
2821370993020,7cyclictest2866470-21cron09:20:012
2821370993015,7cyclictest2517857-21kworker/u8:2+events_unbound08:12:302
2821366993023,4cyclictest2830853-21fschecks_count07:35:161
2821366993022,4cyclictest0-21swapper/111:10:161
2821362993023,5cyclictest2838937-21kworker/u8:1+events_unbound08:05:250
2821362993021,6cyclictest0-21swapper/009:05:010
2821362993021,6cyclictest0-21swapper/007:45:020
2821362993020,6cyclictest0-21swapper/010:25:250
2821375992923,3cyclictest0-21swapper/309:00:013
2821375992922,4cyclictest2845998-21kthreadd08:20:003
2821375992922,4cyclictest2845998-21kthreadd08:20:003
2821375992921,6cyclictest2833784-21kworker/u8:0+events_unbound08:00:233
2821375992921,4cyclictest0-21swapper/312:10:233
2821375992917,6cyclictest0-21swapper/309:35:153
2821370992922,4cyclictest0-21swapper/209:25:212
2821370992922,4cyclictest0-21swapper/207:25:182
2821370992921,4cyclictest0-21swapper/209:55:232
2821370992918,7cyclictest0-21swapper/208:30:262
2821370992917,8cyclictest2845525-21grep08:15:262
2821370992917,8cyclictest2845525-21grep08:15:262
2821366992921,4cyclictest0-21swapper/112:25:151
2821366992921,4cyclictest0-21swapper/108:25:141
2821366992920,5cyclictest0-21swapper/111:00:001
2821366992918,7cyclictest2927647-21fschecks_time12:15:171
2821366992918,7cyclictest0-21swapper/107:45:231
2821362992921,5cyclictest2881945-21kworker/u8:3+events_unbound10:20:470
2821362992921,5cyclictest0-21swapper/010:20:010
2821362992921,5cyclictest0-21swapper/007:20:000
2821362992919,6cyclictest0-21swapper/008:20:260
2821375992821,3cyclictest0-21swapper/312:15:273
2821375992820,4cyclictest0-21swapper/311:55:013
2821375992819,6cyclictest0-21swapper/309:25:003
2821370992822,3cyclictest0-21swapper/212:25:012
2821370992821,5cyclictest2921709-21kworker/u8:3+events_unbound12:01:072
2821370992818,7cyclictest2835771-21sh07:50:012
2821366992819,6cyclictest2833417-21unixbench_multi07:40:241
2821366992817,7cyclictest0-21swapper/110:45:011
2821362992819,5cyclictest0-21swapper/009:10:240
2821362992819,5cyclictest0-21swapper/008:00:260
2821362992818,6cyclictest0-21swapper/010:40:160
2821375992719,5cyclictest0-21swapper/307:40:013
2821370992721,4cyclictest311ktimers/209:05:122
2821370992721,3cyclictest0-21swapper/209:45:252
2821370992719,4cyclictest0-21swapper/208:50:232
282137099271,5cyclictest131rcu_preempt10:50:112
2821366992719,4cyclictest0-21swapper/111:00:261
2821366992718,6cyclictest0-21swapper/109:10:241
2821366992717,7cyclictest0-21swapper/108:00:271
2821366992717,6cyclictest0-21swapper/108:15:001
2821362992721,4cyclictest2932914-21fschecks_count12:30:150
2821362992719,4cyclictest2862044-21missed_timers09:05:190
2821362992719,4cyclictest0-21swapper/011:00:530
2821362992718,5cyclictest0-21swapper/009:50:140
2821375992620,3cyclictest0-21swapper/309:15:233
2821375992618,4cyclictest0-21swapper/310:55:013
2821375992618,4cyclictest0-21swapper/308:25:233
2821375992617,6cyclictest0-21swapper/308:20:163
282137599261,5cyclictest131rcu_preempt11:00:133
2821370992618,5cyclictest0-21swapper/208:00:012
2821370992618,4cyclictest0-21swapper/208:20:292
2821370992617,5cyclictest0-21swapper/211:35:162
2821366992618,5cyclictest0-21swapper/111:45:341
2821366992618,4cyclictest0-21swapper/108:30:171
2821366992616,6cyclictest0-21swapper/107:25:021
282136299262,11cyclictest2855021-21basename08:45:160
2821362992619,3cyclictest0-21swapper/011:40:000
2821362992618,5cyclictest2517857-21kworker/u8:2+events_unbound08:10:280
2821362992618,5cyclictest0-21swapper/007:30:010
2821362992617,5cyclictest0-21swapper/011:30:240
2821362992617,5cyclictest0-21swapper/008:35:260
2821375992519,3cyclictest0-21swapper/309:40:163
2821375992518,3cyclictest0-21swapper/308:45:243
2821375992517,5cyclictest0-21swapper/310:35:013
2821375992515,7cyclictest2877485-21forks09:50:143
2821375992515,7cyclictest2838222-21sed07:55:213
2821375992515,6cyclictest0-21swapper/309:35:013
2821375992514,7cyclictest2881792-21grep10:00:263
2821370992519,4cyclictest2925045-21tail12:05:252
2821370992519,4cyclictest2517857-21kworker/u8:2+events_unbound08:40:242
2821370992519,3cyclictest0-21swapper/210:20:242
2821370992519,3cyclictest0-21swapper/207:30:222
2821370992518,5cyclictest2890589-21kworker/u8:0+events_unbound10:25:482
2821370992518,4cyclictest2866854-21fschecks_count09:20:152
2821370992517,3cyclictest0-21swapper/210:30:482
2821366992517,4cyclictest0-21swapper/112:20:261
2821366992516,6cyclictest0-21swapper/110:30:161
2821366992516,5cyclictest0-21swapper/107:55:271
2821366992515,7cyclictest0-21swapper/107:10:161
2821362992516,6cyclictest0-21swapper/008:30:010
2821362992516,5cyclictest0-21swapper/012:10:000
2821362992516,5cyclictest0-21swapper/012:00:130
2821362992516,5cyclictest0-21swapper/010:10:000
2821375992418,3cyclictest0-21swapper/307:45:183
282137599241,7cyclictest2832628-21fschecks_time07:40:163
2821375992417,4cyclictest2841310-21fschecks_time08:05:173
2821375992415,6cyclictest0-21swapper/311:10:183
2821375992415,4cyclictest2862647-21grep09:05:263
282137099247,4cyclictest131rcu_preempt11:20:112
2821370992417,3cyclictest0-21swapper/210:10:142
2821370992417,3cyclictest0-21swapper/208:55:172
282137099241,20cyclictest311ktimers/211:00:002
2821366992418,3cyclictest0-21swapper/112:10:191
2821366992416,4cyclictest0-21swapper/110:29:591
2821366992415,7cyclictest231ktimers/112:30:061
2821366992415,6cyclictest2925100-21unixbench_singl12:05:251
2821366992415,6cyclictest0-21swapper/109:00:011
2821366992414,7cyclictest0-21swapper/110:35:241
2821362992417,4cyclictest0-21swapper/007:35:020
2821362992415,5cyclictest0-21swapper/008:15:250
2821362992415,5cyclictest0-21swapper/008:15:250
2821375992316,5cyclictest2843317-21ls08:10:233
2821375992315,5cyclictest53-21kcompactd009:45:203
2821375992315,5cyclictest2896487-21grep10:45:153
2821370992318,3cyclictest0-21swapper/207:35:112
2821370992317,3cyclictest0-21swapper/211:05:252
2821370992314,6cyclictest2860889-21unixbench_multi09:00:262
2821370992313,7cyclictest2933212-21memory12:30:202
2821366992315,5cyclictest0-21swapper/109:25:011
2821366992313,7cyclictest0-21swapper/110:45:181
2821362992317,4cyclictest2866212-21cron09:17:000
2821362992317,3cyclictest0-21swapper/012:20:180
2821362992317,3cyclictest0-21swapper/009:25:200
2821375992216,4cyclictest0-21swapper/312:05:243
2821375992216,3cyclictest0-21swapper/310:20:193
2821370992215,4cyclictest2882662-21fschecks_time10:05:152
2821370992215,4cyclictest0-21swapper/210:45:012
2821370992211,7cyclictest2926788-21grep12:10:232
2821370992210,9cyclictest2930970-21diskstats12:25:152
2821366992212,7cyclictest2898200-21cut10:50:171
282136299222,15cyclictest2892208-21grep10:30:250
2821362992214,5cyclictest121ktimers/012:15:010
2821362992214,5cyclictest0-21swapper/011:45:170
2821362992212,8cyclictest2821359-21cyclictest08:50:130
2821375992112,6cyclictest2911645-21sh11:30:013
2821375992112,6cyclictest0-21swapper/311:20:223
282137099212,13cyclictest2935930-21sh12:39:592
2821370992115,4cyclictest0-21swapper/211:45:232
2821370992115,3cyclictest0-21swapper/207:50:222
2821366992115,3cyclictest0-21swapper/112:00:101
2821366992113,5cyclictest0-21swapper/109:25:151
2821366992113,5cyclictest0-21swapper/107:35:011
2821366992112,6cyclictest0-21swapper/108:10:001
2821366992111,7cyclictest2904205-21sed11:05:261
2821375992014,4cyclictest0-21swapper/310:10:243
2821375992014,3cyclictest2828746-21idleruntime-cro07:30:013
2821375992012,5cyclictest2857213-21seq08:50:243
2821375992010,7cyclictest2932992-21cut12:30:163
282137099203,9cyclictest2856226-21cron08:50:012
2821366992013,5cyclictest0-21swapper/109:30:161
2821366992012,5cyclictest0-21swapper/109:00:211
282137599191,14cyclictest2896098-21debian-sa110:45:003
282137099193,11cyclictest2864395-21sshd09:10:392
2821366991913,4cyclictest231ktimers/110:20:161
2821366991913,3cyclictest0-21swapper/109:55:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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