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2026-07-25 - 17:03

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 376 highest latencies:
System rackbslot5s.osadl.org (updated Sat Jul 25, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
991317995926,6cyclictest0-21swapper/208:25:002
991317995926,6cyclictest0-21swapper/208:10:162
991317995728,7cyclictest1024468-21grep08:40:262
991317995029,4cyclictest0-21swapper/210:20:172
991317994535,6cyclictest994790-21unixbench_multi07:15:242
991314994536,5cyclictest1-21systemd08:15:191
991322994436,4cyclictest1030021-21idleruntime-cro09:00:013
991322994333,6cyclictest1027866-21grep08:50:283
991317994233,6cyclictest1105251-21grep12:35:282
991317994230,9cyclictest311ktimers/209:00:132
991314994131,7cyclictest1045942-21fschecks_count09:45:171
991311994129,7cyclictest1023177-21idleruntime-cro08:40:000
991322994019,18cyclictest391ktimers/310:53:463
991314994029,8cyclictest1087640-21missed_timers11:45:201
991322993919,5cyclictest131rcu_preempt08:30:013
991314993929,7cyclictest1091558-21grep11:55:261
991322993829,5cyclictest991302-21cyclictest10:20:443
991322993829,5cyclictest1013016-21/usr/sbin/munin08:10:163
991311993831,4cyclictest1057497-21munin-run10:20:010
991311993830,4cyclictest0-21swapper/010:50:290
991322993729,5cyclictest10059392sleep307:50:133
991322993717,12cyclictest131rcu_preempt12:30:273
99131199372,22cyclictest0-21swapper/010:26:180
991322993626,6cyclictest0-21swapper/308:15:273
991322993623,5cyclictest131rcu_preempt12:09:063
991322993619,14cyclictest391ktimers/310:08:143
991322993612,5cyclictest0-21swapper/308:35:023
991317993627,6cyclictest0-21swapper/210:55:012
991317993626,6cyclictest1090769-21cut11:55:172
991317993624,7cyclictest0-21swapper/207:55:272
991314993627,4cyclictest0-21swapper/111:00:491
99132299359,16cyclictest40-21ksoftirqd/309:40:233
991322993527,4cyclictest1002096-21idleruntime-cro07:40:013
991322993526,4cyclictest131rcu_preempt11:35:183
991322993525,6cyclictest0-21swapper/308:20:273
991322993523,7cyclictest0-21swapper/307:20:263
991322993510,14cyclictest40-21ksoftirqd/312:35:213
991317993528,4cyclictest0-21swapper/212:20:002
991317993527,4cyclictest0-21swapper/209:05:172
991317993526,6cyclictest0-21swapper/211:15:272
991317993525,6cyclictest1060911-21cron10:30:002
991314993529,3cyclictest1021404-21latency_hist08:35:011
991314993526,4cyclictest0-21swapper/112:35:281
991311993515,6cyclictest0-21swapper/010:35:160
991322993419,13cyclictest391ktimers/311:18:223
991322993416,15cyclictest391ktimers/307:14:523
991322993415,9cyclictest131rcu_preempt07:15:153
991322993415,11cyclictest131rcu_preempt11:00:013
991322993415,11cyclictest131rcu_preempt07:25:173
991322993413,11cyclictest131rcu_preempt10:40:173
991317993426,4cyclictest0-21swapper/207:40:012
991317993425,6cyclictest1020815-21unixbench_multi08:30:272
991317993424,6cyclictest0-21swapper/212:10:002
991314993425,6cyclictest1039143-21cut09:25:161
991314993425,6cyclictest1039143-21cut09:25:161
991314993425,4cyclictest0-21swapper/112:20:001
991314993424,6cyclictest0-21swapper/110:40:001
991311993411,6cyclictest11-21ksoftirqd/009:45:170
99132299338,14cyclictest40-21ksoftirqd/312:00:213
991322993325,5cyclictest0-21swapper/308:40:003
991322993324,6cyclictest381rcuc/309:23:003
991322993324,5cyclictest0-21swapper/310:20:003
991322993323,6cyclictest0-21swapper/308:40:263
991322993323,4cyclictest131rcu_preempt09:00:173
991322993321,5cyclictest131rcu_preempt11:55:223
991322993320,5cyclictest131rcu_preempt10:30:013
991322993317,5cyclictest131rcu_preempt11:40:243
991322993316,9cyclictest131rcu_preempt11:10:173
991322993314,5cyclictest131rcu_preempt07:40:263
991322993312,11cyclictest131rcu_preempt11:30:263
991322993310,5cyclictest131rcu_preempt09:39:133
991317993323,7cyclictest1019553-21apt08:30:002
991317993322,8cyclictest0-21swapper/209:15:002
99131199332,12cyclictest1030125-21latency_hist09:00:020
99131199331,15cyclictest1012003-21timerwakeupswit08:05:290
991322993226,4cyclictest1088470-21kworker/u8:2+events_unbound11:50:403
991322993224,4cyclictest0-21swapper/309:45:173
991322993218,5cyclictest131rcu_preempt10:45:193
991322993217,7cyclictest1085093-21kworker/u8:1+events_unbound11:46:453
991322993216,9cyclictest131rcu_preempt12:25:143
991322993215,9cyclictest131rcu_preempt09:10:213
991322993214,5cyclictest131rcu_preempt09:27:563
991322993214,5cyclictest131rcu_preempt09:27:563
991322993212,5cyclictest131rcu_preempt11:00:253
991322993211,5cyclictest131rcu_preempt07:32:133
991322993210,8cyclictest40-21ksoftirqd/309:50:183
991317993224,4cyclictest0-21swapper/209:45:002
991317993224,4cyclictest0-21swapper/207:20:262
991317993222,6cyclictest0-21swapper/212:15:002
991317993220,6cyclictest0-21swapper/210:35:272
991314993222,5cyclictest0-21swapper/107:45:011
99131199328,8cyclictest0-21swapper/009:25:250
99131199328,8cyclictest0-21swapper/009:25:250
99131199325,6cyclictest11-21ksoftirqd/009:40:190
99131199325,4cyclictest1098848-21latency_hist12:20:000
991311993219,8cyclictest1043400-21grep09:35:260
99132299319,10cyclictest40-21ksoftirqd/312:14:203
99132299317,13cyclictest40-21ksoftirqd/309:05:193
991322993124,4cyclictest381rcuc/309:56:113
991322993122,6cyclictest1005249-21grep07:45:273
991322993112,5cyclictest131rcu_preempt07:55:193
991322993112,11cyclictest131rcu_preempt10:00:273
991322993110,5cyclictest131rcu_preempt10:10:243
991317993120,6cyclictest0-21swapper/208:10:002
991314993124,4cyclictest1034909-21grep09:10:281
991314993122,5cyclictest0-21swapper/112:30:271
991314993120,7cyclictest0-21swapper/110:40:261
99131199319,5cyclictest11-21ksoftirqd/009:00:020
99131199318,6cyclictest0-21swapper/012:35:190
99131199318,6cyclictest0-21swapper/012:25:170
991311993121,7cyclictest1067287-21grep10:45:260
99131199311,22cyclictest0-21swapper/011:42:250
991311993110,5cyclictest11-21ksoftirqd/008:40:180
99132299304,14cyclictest40-21ksoftirqd/308:45:163
991322993022,5cyclictest381rcuc/312:22:153
991322993022,4cyclictest0-21swapper/310:35:273
991322993014,9cyclictest131rcu_preempt09:15:233
991322993013,10cyclictest131rcu_preempt08:05:253
991322993012,5cyclictest131rcu_preempt11:05:123
991322993012,10cyclictest131rcu_preempt09:30:213
991322993010,5cyclictest131rcu_preempt11:23:543
991317993022,4cyclictest0-21swapper/210:15:262
99131799301,4cyclictest0-21swapper/208:15:272
991314993023,4cyclictest1005699-21kthreadd07:50:011
991314993023,3cyclictest0-21swapper/110:50:291
991314993022,4cyclictest0-21swapper/109:55:011
991314993022,4cyclictest0-21swapper/109:40:261
991314993020,5cyclictest0-21swapper/111:05:501
991314993019,8cyclictest1023647-21tune2fs08:40:171
99131199309,4cyclictest11-21ksoftirqd/009:55:200
991311993023,4cyclictest0-21swapper/008:30:010
991311993022,5cyclictest0-21swapper/008:20:130
99131199302,14cyclictest11-21ksoftirqd/010:40:260
991311993020,6cyclictest1070862-21grep10:55:260
99132299293,7cyclictest40-21ksoftirqd/308:00:263
99132299292,7cyclictest40-21ksoftirqd/311:25:143
99132299292,7cyclictest40-21ksoftirqd/311:25:143
991322992912,9cyclictest131rcu_preempt12:15:113
991322992912,4cyclictest131rcu_preempt10:30:163
991317992922,4cyclictest0-21swapper/212:25:262
991314992921,4cyclictest0-21swapper/112:05:281
991314992921,4cyclictest0-21swapper/110:10:171
991314992920,5cyclictest1022772-21grep08:35:271
991314992920,4cyclictest0-21swapper/110:05:181
991311992922,3cyclictest0-21swapper/007:10:270
991311992910,4cyclictest0-21swapper/010:20:190
991317992822,4cyclictest991302-21cyclictest12:00:212
991317992821,4cyclictest0-21swapper/211:25:242
991317992821,4cyclictest0-21swapper/211:25:242
991317992820,4cyclictest0-21swapper/210:05:182
991317992820,4cyclictest0-21swapper/207:50:162
991317992819,5cyclictest0-21swapper/209:55:432
991317992818,6cyclictest0-21swapper/208:40:002
991314992821,4cyclictest0-21swapper/109:05:001
991314992820,4cyclictest0-21swapper/107:35:171
991314992819,6cyclictest0-21swapper/108:00:261
991314992818,7cyclictest1102260-21cron12:30:001
991311992819,6cyclictest1093334-21unixbench_singl12:00:250
991311992818,5cyclictest0-21swapper/011:20:000
99131199281,20cyclictest11-21ksoftirqd/010:05:210
99131199280,14cyclictest1094945-21sed12:05:270
991317992720,3cyclictest0-21swapper/211:00:262
991317992719,4cyclictest0-21swapper/209:35:172
991317992718,6cyclictest1070919-21unixbench_singl10:55:262
991317992718,6cyclictest0-21swapper/207:30:012
991314992719,5cyclictest1027867-21head08:50:281
991314992719,4cyclictest0-21swapper/111:40:281
991314992717,7cyclictest1071351-21cron11:00:011
991314992716,7cyclictest0-21swapper/108:10:011
99131199278,8cyclictest131rcu_preempt07:28:190
99131199278,6cyclictest0-21swapper/012:10:240
99131199278,15cyclictest1080116-21grep11:25:000
99131199276,8cyclictest131rcu_preempt08:34:340
99131199276,17cyclictest1088763-21latency_hist11:50:010
99131199275,3cyclictest10728182sleep011:02:010
99131199274,3cyclictest1052398-21munin-run10:05:010
991311992717,6cyclictest1014976-21if_eth108:15:180
991311992717,3cyclictest131rcu_preempt12:20:200
991311992716,3cyclictest131rcu_preempt11:57:470
991311992716,2cyclictest131rcu_preempt11:13:450
99131199271,16cyclictest0-21swapper/011:05:060
991311992711,3cyclictest1033857-21apt09:10:140
99131199270,25cyclictest0-21swapper/009:50:150
991317992619,5cyclictest1036796-21kworker/u8:2+events_unbound09:17:592
991317992619,4cyclictest0-21swapper/209:30:272
991317992618,4cyclictest0-21swapper/209:25:262
991317992618,4cyclictest0-21swapper/209:25:262
991317992615,7cyclictest0-21swapper/211:10:282
991314992620,4cyclictest1067738-21latency_hist10:50:001
991314992619,3cyclictest0-21swapper/109:55:271
991314992618,4cyclictest645-21runrttasks09:20:001
991314992618,4cyclictest0-21swapper/112:10:271
991314992618,4cyclictest0-21swapper/108:25:001
991314992618,3cyclictest0-21swapper/111:20:251
991314992617,5cyclictest1026122-21tail08:45:251
991314992617,5cyclictest0-21swapper/111:40:001
991314992617,4cyclictest0-21swapper/112:00:261
991314992616,7cyclictest231ktimers/109:35:131
991314992616,6cyclictest0-21swapper/107:15:151
991314992615,6cyclictest0-21swapper/108:25:231
99131199268,15cyclictest151rcuc/010:30:250
99131199265,12cyclictest0-21swapper/011:30:500
99131199262,7cyclictest11-21ksoftirqd/012:30:130
991311992622,2cyclictest13550irq/42-30be0000.ethernet07:50:120
991311992620,3cyclictest1004001-21sh07:45:010
991311992620,3cyclictest0-21swapper/007:55:260
991311992619,3cyclictest0-21swapper/011:35:180
99131199261,8cyclictest10895382gzip11:50:250
991311992615,8cyclictest1002324-21sed07:40:020
991311992612,7cyclictest131rcu_preempt10:10:230
991311992610,8cyclictest131rcu_preempt11:29:470
991311992610,8cyclictest131rcu_preempt11:29:470
991311992610,6cyclictest131rcu_preempt07:45:030
991317992518,4cyclictest0-21swapper/211:30:182
99131799251,6cyclictest1085457-21apt-get11:40:142
991317992513,6cyclictest0-21swapper/211:05:252
991314992519,4cyclictest1076308-21kworker/u8:3+events_unbound11:25:551
991314992519,4cyclictest1076308-21kworker/u8:3+events_unbound11:25:551
991314992519,3cyclictest0-21swapper/111:55:011
991314992517,4cyclictest0-21swapper/110:35:001
991314992517,4cyclictest0-21swapper/110:15:261
99131199258,8cyclictest131rcu_preempt08:49:310
99131199255,7cyclictest1033631-21ls09:10:000
991311992517,5cyclictest1-21systemd08:10:160
99131199251,15cyclictest0-21swapper/007:31:390
991317992417,4cyclictest0-21swapper/207:10:172
991317992416,4cyclictest1029994-21sendmail09:00:012
991317992414,6cyclictest0-21swapper/208:00:262
991314992417,4cyclictest0-21swapper/107:50:231
991314992416,4cyclictest993147-21latency_hist07:15:011
991314992414,7cyclictest1040861-21tune2fs09:30:171
991314992413,7cyclictest1009109-21run-parts08:00:011
991314992412,8cyclictest1083081-21grep11:30:271
99131199246,6cyclictest0-21swapper/007:15:170
99131199242,4cyclictest1037852-21ntp_states09:20:230
991311992418,3cyclictest1009356-21apt-get08:00:120
991317992316,4cyclictest0-21swapper/211:50:182
991317992315,5cyclictest311ktimers/208:50:012
991317992314,6cyclictest0-21swapper/207:40:262
991317992311,8cyclictest1-21systemd11:20:542
991314992315,6cyclictest231ktimers/111:10:141
991314992312,8cyclictest1077777-21cat11:15:261
991314992312,8cyclictest1060294-21wc10:25:261
991311992317,3cyclictest0-21swapper/007:20:260
991311992316,4cyclictest0-21swapper/009:15:160
99131199230,6cyclictest11-21ksoftirqd/009:31:010
991317992218,2cyclictest0-21swapper/210:30:162
991317992216,4cyclictest1100564-21sh12:25:012
991317992211,8cyclictest438-21cron07:50:012
991317992211,8cyclictest1103986-21idleruntime-cro12:35:002
991317992211,8cyclictest1047950-21memory09:50:222
991314992216,3cyclictest0-21swapper/108:10:161
991314992214,6cyclictest1029989-21latency_hist09:00:011
991314992214,5cyclictest438-21cron10:25:001
991314992212,7cyclictest995705-21cut07:20:171
991311992216,3cyclictest13550irq/42-30be0000.ethernet08:50:230
991317992116,2cyclictest0-21swapper/210:15:002
991317992115,3cyclictest0-21swapper/211:35:242
991317992111,8cyclictest1065371-21wc10:40:252
991317992111,6cyclictest0-21swapper/210:45:262
991317992110,6cyclictest0-21swapper/211:45:252
991314992115,4cyclictest231ktimers/112:20:141
991317992015,2cyclictest0-21swapper/207:30:212
991317992014,4cyclictest1045800-21/usr/sbin/munin09:45:152
991317992014,3cyclictest0-21swapper/210:00:242
991317991913,4cyclictest1038354-21uptime09:20:262
99131799191,12cyclictest1027868-21sed08:50:282
99131499199,7cyclictest1032835-21gunzip09:05:251
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