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2026-08-15 - 12:38

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 792 highest latencies:
System rackbslot5s.osadl.org (updated Sat Aug 15, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1020629995338,11cyclictest311ktimers/220:15:132
1020625995143,5cyclictest1038397-21kworker/u8:1+events_unbound20:01:561
1020635994833,11cyclictest391ktimers/319:25:133
1020629994740,4cyclictest1125197-21munin-plugin-st00:10:002
1020629994740,4cyclictest1125197-21munin-plugin-st00:09:592
1020617994639,4cyclictest1123289-21munin-plugin-st00:05:010
1020629994532,10cyclictest311ktimers/221:55:142
1020635994434,6cyclictest1083180-21grep22:05:243
1020635994434,6cyclictest1083180-21grep22:05:243
1020625994431,10cyclictest231ktimers/122:25:131
1020625994337,4cyclictest1107192-21kworker/u8:0+events_unbound23:37:371
1020635994232,7cyclictest1134298-21fschecks_count00:35:153
1020625994233,5cyclictest1083195-21unixbench_singl22:05:251
1020625994233,5cyclictest1083195-21unixbench_singl22:05:251
102061799425,5cyclictest131rcu_preempt23:20:120
1020617994230,9cyclictest121ktimers/020:05:130
1020617994217,5cyclictest131rcu_preempt20:30:110
1020617994217,5cyclictest131rcu_preempt20:30:110
1020635994122,3cyclictest131rcu_preempt21:05:123
1020625994133,4cyclictest0-21swapper/100:05:161
1020625994133,4cyclictest0-21swapper/100:05:161
1020625994132,5cyclictest1065924-21latency_hist21:20:011
1020625994127,11cyclictest231ktimers/123:40:111
1020629994033,4cyclictest1108748-21unixbench_multi23:20:252
1020625994032,4cyclictest0-21swapper/122:40:001
1020625993930,5cyclictest0-21swapper/120:50:011
1020617993932,4cyclictest1093856-21munin-plugin-st22:40:010
1020617993930,6cyclictest151rcuc/020:50:140
1020635993826,8cyclictest1060349-21grep21:00:263
1020617993832,4cyclictest1103788-21kworker/u8:1+events_unbound23:26:410
1020617993830,4cyclictest0-21swapper/023:05:010
1020617993827,9cyclictest121ktimers/021:35:130
1020617993827,7cyclictest0-21swapper/023:05:250
1020635993728,4cyclictest0-21swapper/320:20:003
1020629993729,4cyclictest0-21swapper/221:25:002
1020625993729,4cyclictest0-21swapper/119:55:251
1020625993728,5cyclictest0-21swapper/122:42:261
1020617993730,3cyclictest0-21swapper/022:45:000
1020617993729,5cyclictest0-21swapper/000:25:000
1020617993725,8cyclictest1126430-21grep00:10:220
1020617993725,8cyclictest1121091-21grep23:55:230
102061799371,5cyclictest131rcu_preempt21:20:120
1020635993625,6cyclictest0-21swapper/319:20:013
1020629993627,5cyclictest1095560-21cron22:45:012
1020629993625,7cyclictest0-21swapper/222:55:232
1020629993623,10cyclictest311ktimers/222:05:122
1020629993623,10cyclictest311ktimers/222:05:112
1020635993527,3cyclictest0-21swapper/323:40:013
1020635993523,9cyclictest438-21cron22:20:003
1020635993523,9cyclictest438-21cron22:19:593
1020629993527,4cyclictest0-21swapper/222:15:252
1020629993527,4cyclictest0-21swapper/222:15:252
1020629993526,6cyclictest0-21swapper/220:55:002
1020625993528,5cyclictest1026126-21kworker/u8:0+events_unbound19:21:491
1020625993526,6cyclictest0-21swapper/100:05:001
1020625993524,7cyclictest0-21swapper/100:10:231
1020625993519,5cyclictest1076504-21kworker/u8:0+events_unbound22:01:141
1020617993527,4cyclictest0-21swapper/022:15:240
1020617993527,4cyclictest0-21swapper/022:15:240
1020635993428,4cyclictest1048663-21munin-plugin-st20:30:003
1020635993427,4cyclictest1095560-21cron22:45:013
1020635993426,4cyclictest0-21swapper/322:55:233
1020629993426,4cyclictest0-21swapper/223:45:012
1020629993425,5cyclictest0-21swapper/222:35:002
1020625993427,5cyclictest1108971-21kworker/u8:3+events_unbound23:58:091
1020625993423,7cyclictest1100263-21grep22:55:241
102061799347,4cyclictest131rcu_preempt23:30:120
1020617993425,4cyclictest0-21swapper/019:31:480
1020635993325,4cyclictest0-21swapper/323:45:153
1020635993323,6cyclictest0-21swapper/322:40:013
1020635993321,8cyclictest1064360-21cat21:15:013
1020625993323,6cyclictest0-21swapper/100:30:241
1020625993317,6cyclictest1060645-21kworker/u8:1+events_unbound21:30:021
1020625993317,6cyclictest1060645-21kworker/u8:1+events_unbound21:11:481
1020625993317,10cyclictest131rcu_preempt19:40:231
1020617993325,4cyclictest0-21swapper/021:00:250
1020617993325,4cyclictest0-21swapper/020:45:250
1020635993226,4cyclictest1121567-21cron00:00:003
1020635993223,6cyclictest1078283-21sh21:55:013
1020635993222,7cyclictest1053317-21grep20:40:243
1020629993225,4cyclictest1107499-21cron23:20:012
1020629993224,4cyclictest0-21swapper/219:25:022
1020629993224,4cyclictest0-21swapper/200:20:152
1020625993225,3cyclictest0-21swapper/123:30:011
1020625993224,4cyclictest0-21swapper/123:30:251
1020625993224,4cyclictest0-21swapper/121:00:251
1020625993220,7cyclictest0-21swapper/121:40:251
1020617993225,4cyclictest1083182-21unixbench_singl22:05:240
1020617993225,4cyclictest1083182-21unixbench_singl22:05:240
1020617993225,4cyclictest0-21swapper/023:40:010
1020617993220,9cyclictest0-21swapper/022:35:010
1020617993220,5cyclictest131rcu_preempt21:31:070
1020635993123,4cyclictest0-21swapper/321:25:243
1020635993119,8cyclictest1079988-21apt-get22:00:013
1020629993125,3cyclictest0-21swapper/200:40:012
1020629993124,3cyclictest0-21swapper/222:52:292
1020629993123,4cyclictest0-21swapper/223:50:242
1020629993123,4cyclictest0-21swapper/221:40:012
1020629993122,6cyclictest1054165-21fschecks_count20:45:152
102062599310,4cyclictest131rcu_preempt21:50:111
1020617993123,4cyclictest0-21swapper/023:45:150
1020617993123,4cyclictest0-21swapper/023:40:240
1020617993121,7cyclictest1074399-21grep21:40:240
102061799310,28cyclictest0-21swapper/023:15:090
1020635993023,4cyclictest0-21swapper/320:20:193
1020635993021,6cyclictest1111534-21tune2fs23:30:153
1020635993021,6cyclictest0-21swapper/322:20:143
1020635993021,5cyclictest0-21swapper/300:10:133
1020635993021,4cyclictest0-21swapper/323:20:003
1020629993023,3cyclictest0-21swapper/222:10:252
1020629993023,3cyclictest0-21swapper/222:10:252
1020629993023,3cyclictest0-21swapper/219:20:022
1020629993022,4cyclictest0-21swapper/223:35:162
1020625993022,4cyclictest0-21swapper/119:30:241
1020625993018,4cyclictest1015270-21kworker/u8:2+events_unbound19:27:331
102061799303,3cyclictest131rcu_preempt19:20:120
1020617993021,6cyclictest1081913-21sh22:05:000
1020617993021,6cyclictest1057562-21tune2fs20:55:160
1020617993020,6cyclictest1021147-21tune2fs19:10:170
1020617993013,14cyclictest0-21swapper/019:50:240
1020635992922,4cyclictest0-21swapper/322:30:163
1020629992922,5cyclictest1102061-21kworker/u8:0+events_unbound23:06:122
1020629992921,6cyclictest53-21kcompactd023:25:142
1020625992921,4cyclictest0-21swapper/121:05:161
1020625992919,7cyclictest1116920-21grep23:45:151
1020617992922,3cyclictest0-21swapper/021:10:250
1020617992921,4cyclictest0-21swapper/023:10:250
1020617992921,4cyclictest0-21swapper/022:20:230
1020617992921,4cyclictest0-21swapper/021:45:250
1020617992918,8cyclictest1089133-21tune2fs22:25:160
1020635992821,5cyclictest1103788-21kworker/u8:1+events_unbound23:12:333
1020635992821,5cyclictest1034798-21kworker/u8:0+events_unbound19:55:013
1020635992821,4cyclictest0-21swapper/322:50:253
1020635992819,6cyclictest1058406-21grep20:55:263
102062599284,4cyclictest131rcu_preempt23:15:091
1020625992822,4cyclictest1103788-21kworker/u8:1+events_unbound23:14:471
1020625992820,4cyclictest0-21swapper/120:25:161
1020625992818,7cyclictest0-21swapper/119:15:201
102062599281,11cyclictest1016504-21kworker/1:1+mm_percpu_wq23:23:491
1020617992821,3cyclictest0-21swapper/020:25:000
102061799281,9cyclictest11-21ksoftirqd/020:10:130
1020617992814,8cyclictest131rcu_preempt20:30:000
1020635992720,3cyclictest0-21swapper/323:20:243
1020635992717,6cyclictest0-21swapper/300:18:353
1020629992720,3cyclictest1058879-21kthreadd21:00:002
1020629992719,4cyclictest0-21swapper/219:50:252
1020629992718,4cyclictest0-21swapper/219:25:272
1020629992717,7cyclictest1074135-21cut21:40:222
1020625992718,6cyclictest1084036-21grep22:10:171
1020625992718,6cyclictest1084036-21grep22:10:161
1020625992718,6cyclictest0-21swapper/120:15:251
1020625992717,7cyclictest1078678-21fschecks_count21:55:161
1020617992720,3cyclictest131rcu_preempt19:30:010
1020635992620,3cyclictest1090449-21kthreadd22:29:593
1020635992619,4cyclictest0-21swapper/321:20:273
1020635992619,4cyclictest0-21swapper/320:30:233
1020635992619,4cyclictest0-21swapper/320:30:223
1020635992618,6cyclictest391ktimers/319:10:133
1020635992618,6cyclictest391ktimers/300:05:063
1020635992618,6cyclictest391ktimers/300:05:063
1020635992618,5cyclictest0-21swapper/321:45:253
1020635992618,4cyclictest0-21swapper/320:10:263
1020635992615,8cyclictest1101905-21grep23:00:253
1020629992619,4cyclictest0-21swapper/221:25:232
1020629992619,3cyclictest0-21swapper/220:35:262
1020629992619,3cyclictest0-21swapper/220:35:252
1020629992618,4cyclictest0-21swapper/222:45:232
1020629992617,5cyclictest0-21swapper/223:00:162
1020629992616,7cyclictest311ktimers/219:40:132
102062599265,11cyclictest24-21ksoftirqd/120:20:221
102062599264,11cyclictest1016504-21kworker/1:1-mm_percpu_wq23:07:311
1020625992619,5cyclictest1128269-21kworker/u8:2+events_unbound00:20:241
1020625992619,5cyclictest1098579-21kworker/u8:0+events_unbound22:51:411
1020625992618,5cyclictest1058464-21grep20:55:251
102062599261,13cyclictest0-21swapper/122:19:201
102062599261,13cyclictest0-21swapper/122:19:201
1020625992610,5cyclictest131rcu_preempt23:50:121
102061799268,14cyclictest0-21swapper/023:55:000
102061799266,3cyclictest131rcu_preempt22:50:150
1020617992620,4cyclictest1058687-21kworker/u8:0+events_unbound21:05:160
1020617992620,3cyclictest13850irq/36-mmc122:00:000
1020617992620,3cyclictest0-21swapper/000:30:250
1020617992618,5cyclictest0-21swapper/022:55:200
1020617992617,6cyclictest1044002-21ls20:15:160
1020617992616,6cyclictest1128167-21grep00:15:250
1020617992612,9cyclictest131rcu_preempt20:37:010
1020617992612,9cyclictest131rcu_preempt20:37:000
1020635992519,3cyclictest0-21swapper/320:00:183
1020635992518,4cyclictest1072536-21grep21:35:263
1020635992517,4cyclictest0-21swapper/320:10:013
1020629992519,3cyclictest0-21swapper/222:00:182
1020629992514,7cyclictest204-21dbus-daemon20:42:032
102062599259,6cyclictest24-21ksoftirqd/120:05:141
102062599255,10cyclictest24-21ksoftirqd/120:10:211
1020625992518,5cyclictest1027835-21kworker/u8:1+events_unbound19:37:001
1020625992517,5cyclictest1015270-21kworker/u8:2+events_unbound19:14:321
1020625992516,6cyclictest1135787-21grep00:40:001
102062599251,12cyclictest0-21swapper/122:49:221
1020625992510,6cyclictest24-21ksoftirqd/121:20:221
1020617992520,3cyclictest1065663-21sh21:17:010
1020617992518,3cyclictest0-21swapper/000:28:030
102061799251,3cyclictest131rcu_preempt22:10:170
102061799251,3cyclictest131rcu_preempt22:10:170
1020617992511,8cyclictest131rcu_preempt21:50:190
1020617992511,12cyclictest0-21swapper/020:05:020
1020635992419,3cyclictest1071244-21cron21:35:013
1020635992418,4cyclictest0-21swapper/319:45:233
1020635992418,3cyclictest0-21swapper/321:40:193
1020629992417,5cyclictest1038397-21kworker/u8:1+events_unbound20:01:142
1020629992416,5cyclictest0-21swapper/221:30:212
102062599246,9cyclictest24-21ksoftirqd/123:00:131
102062599244,11cyclictest24-21ksoftirqd/120:35:141
102062599244,11cyclictest24-21ksoftirqd/120:35:141
1020625992418,3cyclictest0-21swapper/120:30:231
1020625992418,3cyclictest0-21swapper/120:30:221
1020625992417,4cyclictest0-21swapper/121:35:271
1020625992416,5cyclictest0-21swapper/119:50:251
1020625992413,7cyclictest1128108-21grep00:15:251
102062599241,12cyclictest0-21swapper/121:45:031
1020625992411,11cyclictest221rcuc/119:50:011
1020617992418,4cyclictest1020610-21cyclictest22:45:110
1020617992418,3cyclictest0-21swapper/020:00:000
1020617992417,5cyclictest1108971-21kworker/u8:3+events_unbound00:05:240
1020617992417,5cyclictest1108971-21kworker/u8:3+events_unbound00:05:230
1020617992417,5cyclictest1066285-21kworker/u8:2+events_unbound21:27:460
1020617992416,5cyclictest0-21swapper/019:15:020
102061799240,20cyclictest0-21swapper/019:43:180
1020635992317,3cyclictest0-21swapper/323:25:233
1020635992317,3cyclictest0-21swapper/320:35:273
1020635992317,3cyclictest0-21swapper/320:35:273
1020635992316,5cyclictest145-21jbd2/mmcblk1p2-823:40:063
1020635992316,4cyclictest0-21swapper/322:50:003
102063599231,4cyclictest131rcu_preempt20:50:143
1020629992317,3cyclictest0-21swapper/200:05:002
1020629992316,4cyclictest1089137-21fschecks_count22:25:152
1020629992316,4cyclictest0-21swapper/223:45:262
1020629992316,4cyclictest0-21swapper/221:05:172
1020629992316,3cyclictest0-21swapper/220:30:112
1020629992316,3cyclictest0-21swapper/220:30:112
1020629992315,4cyclictest0-21swapper/223:30:242
1020629992314,6cyclictest0-21swapper/222:40:002
102062599235,11cyclictest131rcu_preempt21:30:011
1020625992317,3cyclictest0-21swapper/120:50:171
1020625992312,7cyclictest0-21swapper/120:40:231
1020617992317,4cyclictest1029576-21kworker/u8:0+events_unbound19:35:080
1020617992317,2cyclictest0-21swapper/019:45:100
102061799230,21cyclictest0-21swapper/020:40:280
1020635992217,3cyclictest1122714-21timerandwakeup00:00:263
1020635992216,3cyclictest0-21swapper/322:10:173
1020635992216,3cyclictest0-21swapper/322:10:173
1020635992216,3cyclictest0-21swapper/319:30:233
1020635992214,6cyclictest0-21swapper/300:25:013
1020635992213,6cyclictest0-21swapper/319:25:013
1020635992212,7cyclictest1131834-21awk00:25:263
1020629992216,3cyclictest0-21swapper/221:45:132
1020629992216,3cyclictest0-21swapper/200:30:152
1020629992216,3cyclictest0-21swapper/200:15:232
1020629992214,4cyclictest0-21swapper/219:35:242
1020625992210,8cyclictest0-21swapper/122:20:241
1020635992115,4cyclictest645-21runrttasks21:15:143
102063599211,3cyclictest0-21swapper/320:45:353
1020635992113,4cyclictest438-21cron22:05:003
1020629992115,3cyclictest0-21swapper/222:25:012
1020629992114,5cyclictest311ktimers/219:10:222
102062999211,3cyclictest10643772cut21:15:022
1020629992111,6cyclictest0-21swapper/200:10:142
1020629992110,8cyclictest1048025-21threads20:25:232
1020635992014,3cyclictest1103318-21sendmail_mailst23:05:243
1020635992014,3cyclictest0-21swapper/319:50:153
1020635992013,4cyclictest1031625-21idleruntime-cro19:40:023
1020635992010,7cyclictest1133150-21expr00:30:233
1020629992014,4cyclictest1130312-21apt-get00:25:022
1020629992014,3cyclictest0-21swapper/223:55:202
1020629992014,3cyclictest0-21swapper/220:20:162
1020629992014,3cyclictest0-21swapper/220:05:192
1020629992013,4cyclictest0-21swapper/221:50:202
102062999201,14cyclictest1105306-21tail23:10:242
1020629991910,6cyclictest1059308-21sed21:00:022
102062999182,12cyclictest1035001-21cron19:50:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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