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2026-09-12 - 15:33

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 Sep 12, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1441168994942,5cyclictest1462325-21kworker/u8:1+events_unbound08:15:273
1441168994932,12cyclictest391ktimers/307:20:133
1441168994932,12cyclictest391ktimers/307:20:133
1441155994836,8cyclictest1467069-21grep08:20:240
1441168994639,5cyclictest1451834-21kworker/u8:1+events_unbound07:50:203
1441168994636,6cyclictest1541482-21idleruntime-cro12:00:003
1441168994534,7cyclictest1530775-21grep11:25:263
1441159994537,5cyclictest1546577-21cron12:14:591
1441168994432,8cyclictest1549594-21grep12:20:253
1441168994334,5cyclictest1512272-21basename10:35:003
1441159994233,6cyclictest1502031-21apt-key10:05:011
1441168994133,5cyclictest1467337-21kworker/u8:0+events_unbound08:25:263
1441168994129,9cyclictest391ktimers/311:40:143
1441164994133,4cyclictest0-21swapper/208:00:222
1441159994131,6cyclictest1510146-21unixbench_singl10:25:261
1441164994031,6cyclictest1546168-21unixbench_singl12:10:262
1441159993931,5cyclictest1523985-21unixbench_singl11:05:261
1441168993826,7cyclictest0-21swapper/308:50:253
1441159993831,4cyclictest1489251-21unixbench_singl09:25:251
1441159993825,9cyclictest1553078-21sshd12:31:011
1441159993825,9cyclictest1553078-21sshd12:31:011
1441168993729,4cyclictest1494164-21proc_pri09:40:253
1441168993728,4cyclictest0-21swapper/311:40:013
1441164993730,4cyclictest1553424-21munin-plugin-st12:35:002
1441164993730,4cyclictest1553424-21munin-plugin-st12:34:592
1441164993726,7cyclictest0-21swapper/208:40:262
1441159993730,4cyclictest1479426-21munin-plugin-st09:00:011
1441159993729,5cyclictest1551720-21idleruntime-cro12:30:001
1441159993729,5cyclictest1551720-21idleruntime-cro12:29:591
1441159993727,6cyclictest1554900-21unixbench_singl12:35:261
1441155993730,4cyclictest1455560-21idleruntime-cro07:50:010
1441155993727,7cyclictest1486255-21cron09:20:000
1441155993727,7cyclictest121ktimers/010:35:140
1441168993629,4cyclictest1487981-21munin-plugin-st09:25:003
1441168993624,9cyclictest391ktimers/307:45:133
1441164993626,6cyclictest0-21swapper/211:55:012
1441164993625,7cyclictest0-21swapper/209:05:242
1441159993626,6cyclictest0-21swapper/111:25:001
1441155993627,6cyclictest1529116-21unixbench_singl11:20:250
1441168993527,5cyclictest391ktimers/308:40:123
1441168993524,5cyclictest0-21swapper/309:40:013
1441164993525,6cyclictest0-21swapper/207:35:272
1441159993527,4cyclictest0-21swapper/111:15:521
1441159993527,4cyclictest0-21swapper/108:20:001
1441159993525,6cyclictest0-21swapper/110:19:591
1441159993525,6cyclictest0-21swapper/110:19:591
1441168993428,4cyclictest1510469-21kworker/u8:1+events_unbound10:36:423
1441168993426,4cyclictest0-21swapper/307:40:253
1441168993426,4cyclictest0-21swapper/307:40:253
1441168993425,4cyclictest0-21swapper/312:35:253
1441168993425,4cyclictest0-21swapper/311:20:253
1441168993424,7cyclictest1502645-21latency10:05:193
1441168993422,9cyclictest391ktimers/311:00:143
1441164993425,6cyclictest1548313-21sendmail12:20:002
1441164993424,7cyclictest1517381-21cron10:50:012
1441164993424,6cyclictest0-21swapper/210:10:012
1441164993424,6cyclictest0-21swapper/207:45:242
1441159993426,5cyclictest1470827-21kworker/u8:2+events_unbound08:35:271
1441159993425,6cyclictest1541862-21fschecks_count12:00:181
1441159993425,6cyclictest0-21swapper/107:50:251
1441159993424,6cyclictest0-21swapper/109:15:161
1441159993423,7cyclictest0-21swapper/110:40:251
1441159993423,7cyclictest0-21swapper/108:30:271
1441159993423,7cyclictest0-21swapper/108:30:271
1441155993425,6cyclictest1489209-21grep09:25:230
1441155993424,6cyclictest0-21swapper/011:40:010
1441168993326,5cyclictest1537853-21kworker/u8:0+events_unbound12:26:013
1441168993326,5cyclictest1537853-21kworker/u8:0+events_unbound12:26:003
1441168993325,4cyclictest0-21swapper/307:10:203
1441168993321,8cyclictest1472602-21munin-plugin-st08:40:013
1441164993325,5cyclictest0-21swapper/212:05:002
1441164993324,6cyclictest1451834-21kworker/u8:1+events_unbound07:55:212
1441164993324,6cyclictest0-21swapper/209:55:002
1441159993325,4cyclictest0-21swapper/110:20:171
1441159993325,4cyclictest0-21swapper/108:40:251
1441159993321,7cyclictest0-21swapper/108:50:251
1441155993322,7cyclictest0-21swapper/011:00:000
1441168993224,4cyclictest0-21swapper/310:10:243
1441168993224,4cyclictest0-21swapper/310:10:243
1441168993223,5cyclictest0-21swapper/310:00:273
1441164993226,3cyclictest0-21swapper/208:25:272
1441164993221,7cyclictest0-21swapper/211:40:272
1441159993222,6cyclictest0-21swapper/111:00:271
1441159993222,6cyclictest0-21swapper/110:35:271
1441159993222,6cyclictest0-21swapper/108:25:001
1441159993222,6cyclictest0-21swapper/107:40:261
1441159993222,6cyclictest0-21swapper/107:40:261
1441159993221,7cyclictest0-21swapper/108:45:261
1441155993225,3cyclictest0-21swapper/010:20:000
1441155993225,3cyclictest0-21swapper/010:20:000
1441155993225,3cyclictest0-21swapper/009:00:000
1441155993224,5cyclictest11-21ksoftirqd/008:40:130
1441168993124,4cyclictest0-21swapper/312:30:173
1441168993124,4cyclictest0-21swapper/312:30:173
1441168993122,6cyclictest1501514-21kworker/u8:1+events_unbound10:20:173
1441168993122,5cyclictest0-21swapper/312:10:263
1441164993123,5cyclictest1501344-21grep10:00:272
1441164993123,4cyclictest0-21swapper/209:45:252
1441164993121,7cyclictest0-21swapper/211:25:262
1441164993121,6cyclictest0-21swapper/210:45:002
1441159993124,4cyclictest0-21swapper/109:45:001
1441159993123,4cyclictest0-21swapper/110:30:281
1441159993122,6cyclictest1529952-21fschecks_count11:25:181
1441159993122,5cyclictest1493105-21sendmail-msp09:40:001
1441159993122,5cyclictest1458958-21cron08:00:001
1441159993121,6cyclictest0-21swapper/108:10:171
1441159993120,7cyclictest0-21swapper/107:15:251
1441155993125,3cyclictest1469198-21kthreadd08:30:000
1441155993124,4cyclictest0-21swapper/007:35:260
1441155993121,7cyclictest121ktimers/011:25:140
1441168993022,4cyclictest0-21swapper/311:15:273
1441168993021,4cyclictest0-21swapper/309:00:163
1441168993016,6cyclictest1537853-21kworker/u8:0+events_unbound11:54:223
1441164993022,4cyclictest0-21swapper/209:25:232
1441164993017,11cyclictest1523842-21sed11:05:242
1441159993023,4cyclictest1482849-21munin-plugin-st09:10:001
1441159993020,6cyclictest1504995-21grep10:10:251
1441159993020,6cyclictest1504995-21grep10:10:251
1441159993020,6cyclictest1448512-21sh07:30:001
1441155993023,5cyclictest11-21ksoftirqd/010:10:120
1441155993023,5cyclictest11-21ksoftirqd/010:10:110
1441155993023,4cyclictest0-21swapper/007:30:140
1441155993022,4cyclictest0-21swapper/009:05:370
1441155993022,4cyclictest0-21swapper/007:40:260
1441155993022,4cyclictest0-21swapper/007:40:250
1441168992920,6cyclictest1547838-21grep12:15:233
1441168992919,7cyclictest1506547-21sort10:15:243
1441168992919,7cyclictest1506547-21sort10:15:243
1441168992918,6cyclictest0-21swapper/308:05:003
1441168992911,4cyclictest131rcu_preempt09:30:153
1441164992922,3cyclictest0-21swapper/211:15:172
1441164992921,5cyclictest0-21swapper/207:15:012
1441164992919,6cyclictest0-21swapper/210:35:262
1441164992919,6cyclictest0-21swapper/209:30:272
1441159992921,5cyclictest0-21swapper/111:45:261
1441159992921,4cyclictest0-21swapper/109:30:191
1441159992920,6cyclictest0-21swapper/107:20:271
1441159992920,6cyclictest0-21swapper/107:20:271
1441159992919,6cyclictest0-21swapper/110:00:001
1441155992925,2cyclictest0-21swapper/009:20:140
1441155992921,4cyclictest0-21swapper/009:00:270
1441168992822,4cyclictest1474292-21kworker/u8:0+events_unbound09:06:063
1441168992821,5cyclictest1543425-21kworker/u8:1+events_unbound12:05:593
1441168992820,4cyclictest0-21swapper/309:50:283
1441164992822,3cyclictest0-21swapper/209:20:012
1441164992816,9cyclictest1479430-21sendmail09:00:002
1441159992821,5cyclictest1458756-21kworker/u8:2+events_unbound08:05:231
1441159992820,4cyclictest0-21swapper/111:55:011
1441159992819,6cyclictest1518652-21grep10:50:231
1441159992819,5cyclictest0-21swapper/109:45:251
1441159992819,4cyclictest0-21swapper/109:50:221
1441159992818,6cyclictest0-21swapper/111:55:251
1441159992817,7cyclictest0-21swapper/109:10:251
1441155992822,3cyclictest0-21swapper/007:15:030
1441155992821,5cyclictest1506890-21kworker/u8:0+events_unbound10:20:470
1441168992721,4cyclictest1470827-21kworker/u8:2+events_unbound08:34:183
1441168992721,4cyclictest1470827-21kworker/u8:2+events_unbound08:34:183
1441168992720,5cyclictest1451834-21kworker/u8:1+events_unbound07:55:223
1441168992712,10cyclictest204-21dbus-daemon07:30:113
1441168992711,4cyclictest1510567-21munin-run10:29:593
144116899271,12cyclictest0-21swapper/310:41:033
1441159992719,6cyclictest1450619-21fschecks_count07:35:171
1441159992718,5cyclictest0-21swapper/109:00:271
1441159992715,3cyclictest0-21swapper/111:35:191
1441155992720,4cyclictest1524420-21latency_hist11:10:000
1441155992720,3cyclictest0-21swapper/008:00:140
1441155992719,5cyclictest438-21cron09:45:010
1441155992719,4cyclictest0-21swapper/007:20:270
1441155992719,4cyclictest0-21swapper/007:20:260
1441168992620,4cyclictest1478976-21kworker/u8:1+events_unbound09:25:163
1441168992619,3cyclictest0-21swapper/308:10:273
1441168992616,6cyclictest0-21swapper/308:20:253
144116899261,13cyclictest0-21swapper/311:08:473
1441164992620,4cyclictest0-21swapper/209:40:282
1441164992620,3cyclictest0-21swapper/212:40:012
1441164992620,3cyclictest0-21swapper/208:05:142
1441164992619,4cyclictest0-21swapper/209:20:262
1441164992619,3cyclictest0-21swapper/207:20:012
1441164992618,5cyclictest1529112-21unixbench_singl11:20:262
1441164992618,5cyclictest0-21swapper/208:20:002
1441164992617,6cyclictest0-21swapper/211:14:592
1441164992617,6cyclictest0-21swapper/211:14:592
1441159992617,6cyclictest0-21swapper/107:45:241
1441159992617,5cyclictest0-21swapper/111:00:011
1441155992622,2cyclictest13550irq/42-30be0000.ethernet12:25:140
1441155992622,2cyclictest13550irq/42-30be0000.ethernet12:25:140
1441155992621,3cyclictest11-21ksoftirqd/008:45:130
1441155992619,4cyclictest13550irq/42-30be0000.ethernet08:10:250
1441155992618,5cyclictest1506890-21kworker/u8:0+events_unbound10:25:470
1441155992616,7cyclictest121ktimers/008:35:160
1441155992616,6cyclictest1503321-21grep10:05:260
1441168992518,5cyclictest1517265-21kworker/u8:3+events_unbound10:59:373
1441168992518,5cyclictest1446751-21kworker/u8:0+events_unbound07:25:143
1441168992518,3cyclictest0-21swapper/308:55:203
1441168992517,4cyclictest0-21swapper/307:35:263
1441168992517,4cyclictest0-21swapper/307:20:003
1441168992516,4cyclictest0-21swapper/311:30:173
1441164992518,4cyclictest0-21swapper/212:05:252
1441164992518,3cyclictest0-21swapper/207:20:242
1441164992518,3cyclictest0-21swapper/207:20:232
1441164992517,4cyclictest0-21swapper/208:20:252
1441164992516,6cyclictest0-21swapper/211:00:012
1441164992516,5cyclictest0-21swapper/210:10:252
1441164992516,5cyclictest0-21swapper/210:10:242
1441164992515,6cyclictest0-21swapper/209:10:172
1441159992517,4cyclictest0-21swapper/111:10:251
1441159992517,4cyclictest0-21swapper/111:10:251
1441155992519,3cyclictest13850irq/36-mmc110:45:010
1441155992519,3cyclictest0-21swapper/011:15:260
1441155992516,6cyclictest1538168-21cat11:50:000
1441155992516,5cyclictest0-21swapper/011:10:260
1441155992516,5cyclictest0-21swapper/011:10:260
144115599251,21cyclictest1518994-21cron10:54:000
1441155992511,12cyclictest121ktimers/007:10:230
1441168992418,4cyclictest1489386-21kworker/u8:0+events_unbound09:56:283
1441168992416,5cyclictest0-21swapper/310:50:243
1441168992412,8cyclictest0-21swapper/312:00:183
144116899241,12cyclictest0-21swapper/311:49:463
144116899241,12cyclictest0-21swapper/311:10:583
144116899241,12cyclictest0-21swapper/311:10:583
1441168992410,9cyclictest204-21dbus-daemon09:10:383
1441164992418,3cyclictest0-21swapper/211:55:122
1441164992418,3cyclictest0-21swapper/210:20:182
1441164992416,5cyclictest311ktimers/207:25:162
1441164992415,5cyclictest0-21swapper/210:30:182
1441159992418,4cyclictest231ktimers/110:45:121
1441159992417,5cyclictest1469208-21idleruntime-cro08:30:011
1441159992417,3cyclictest0-21swapper/107:10:291
1441159992416,5cyclictest1550006-21sh12:25:001
1441159992416,5cyclictest0-21swapper/108:00:171
1441159992415,5cyclictest0-21swapper/109:20:241
1441159992411,9cyclictest204-21dbus-daemon11:30:541
144115599242,18cyclictest1470274-21sshd08:30:260
144115599242,18cyclictest1470274-21sshd08:30:250
1441155992419,3cyclictest13550irq/42-30be0000.ethernet12:35:000
1441155992419,3cyclictest13550irq/42-30be0000.ethernet12:34:590
1441155992418,3cyclictest1522038-21grep11:00:260
1441155992418,3cyclictest0-21swapper/008:00:000
1441155992416,6cyclictest0-21swapper/010:05:010
1441155992416,5cyclictest0-21swapper/012:20:250
1441155992416,5cyclictest0-21swapper/008:15:260
144115599241,4cyclictest1543868-21meminfo12:05:200
1441155992411,9cyclictest1462374-21latency_hist08:10:010
144115599241,19cyclictest0-21swapper/009:56:180
144115599241,19cyclictest0-21swapper/009:50:360
144115599241,19cyclictest0-21swapper/008:53:010
1441168992315,4cyclictest0-21swapper/308:45:253
1441164992317,3cyclictest0-21swapper/208:45:172
1441164992316,4cyclictest311ktimers/210:18:382
1441164992316,4cyclictest311ktimers/210:18:372
1441164992316,4cyclictest0-21swapper/207:50:262
1441164992316,3cyclictest0-21swapper/209:35:162
1441164992312,8cyclictest1536791-21cut11:45:172
1441159992316,4cyclictest0-21swapper/111:40:261
1441159992315,5cyclictest0-21swapper/112:05:231
1441155992317,4cyclictest13550irq/42-30be0000.ethernet11:55:140
1441155992316,4cyclictest1493077-21sendmail09:40:010
1441155992316,3cyclictest0-21swapper/012:15:120
144115599231,18cyclictest0-21swapper/010:45:370
144115599231,18cyclictest0-21swapper/010:31:090
144115599231,18cyclictest0-21swapper/009:13:520
144115599231,18cyclictest0-21swapper/007:28:590
1441164992215,4cyclictest1462815-21fschecks_time08:10:172
1441164992215,4cyclictest0-21swapper/210:25:262
1441164992215,4cyclictest0-21swapper/208:50:172
1441164992215,3cyclictest0-21swapper/208:35:012
1441164992215,3cyclictest0-21swapper/208:35:002
1441164992214,5cyclictest0-21swapper/212:29:592
1441164992214,5cyclictest0-21swapper/212:29:592
1441164992214,5cyclictest0-21swapper/212:20:212
1441164992214,5cyclictest0-21swapper/211:35:242
1441164992210,9cyclictest1521488-21memory11:00:212
1441159992216,4cyclictest1501514-21kworker/u8:1+events_unbound10:05:471
1441159992213,6cyclictest0-21swapper/107:30:251
1441155992216,3cyclictest1554558-21mailstats12:35:230
1441155992215,5cyclictest0-21swapper/011:31:000
144115599221,19cyclictest0-21swapper/012:10:570
144115599220,18cyclictest0-21swapper/012:00:090
1441168992110,8cyclictest1496033-21cat09:45:233
1441164992116,3cyclictest0-21swapper/208:35:252
1441164992114,5cyclictest1518340-21mailstats10:50:222
1441164992112,6cyclictest0-21swapper/209:55:172
144115599210,19cyclictest0-21swapper/009:45:080
1441164992012,5cyclictest0-21swapper/207:30:282
1441164992010,7cyclictest1480395-21which09:00:242
144116499197,7cyclictest1453182-21grep07:40:262
144116499197,7cyclictest1453182-21grep07:40:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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