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2026-04-28 - 14:13

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 Tue Apr 28, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114370995244,5cyclictest208242-21sendmail23:40:002
114363995040,7cyclictest176923-21grep22:05:250
114363994942,4cyclictest158171-21munin-plugin-st21:15:000
114370994839,5cyclictest220399-21grep00:15:002
114374994632,10cyclictest391ktimers/321:20:113
114367994637,7cyclictest231ktimers/120:30:111
114363994535,7cyclictest208259-21sendmail23:40:010
114374994233,6cyclictest200740-21unixbench_multi23:15:263
114370994132,6cyclictest144060-21unixbench_multi20:30:252
114367994033,4cyclictest197383-21unixbench_singl23:05:281
114367994032,5cyclictest117874-21unixbench_singl19:15:281
114374993927,7cyclictest0-21swapper/320:05:283
114374993927,7cyclictest0-21swapper/320:05:283
114363993932,4cyclictest180757-21cron22:20:010
114374993830,4cyclictest116092-21latency_hist19:15:013
114374993826,7cyclictest0-21swapper/319:35:263
114374993825,9cyclictest391ktimers/323:25:123
114374993825,8cyclictest180273-21grep22:15:253
114370993827,7cyclictest0-21swapper/221:25:142
114374993730,5cyclictest218630-21kworker/u8:3+events_unbound00:23:073
114374993727,7cyclictest220389-21sh00:15:003
114374993727,5cyclictest0-21swapper/320:45:263
114374993726,7cyclictest0-21swapper/319:30:013
114367993726,6cyclictest0-21swapper/119:35:261
114374993626,7cyclictest0-21swapper/323:25:013
114374993626,6cyclictest0-21swapper/300:15:273
114374993625,7cyclictest133399-21grep20:00:253
114374993625,6cyclictest0-21swapper/322:15:003
114370993628,5cyclictest194395-21grep23:00:002
114370993628,4cyclictest0-21swapper/222:15:162
114367993630,4cyclictest132155-21latency_hist20:00:011
114367993627,5cyclictest0-21swapper/100:35:251
114363993627,6cyclictest229151-21sendmail00:40:010
114374993526,6cyclictest166657-21grep21:35:253
114370993527,4cyclictest0-21swapper/219:15:282
114367993527,5cyclictest0-21swapper/121:30:261
114367993523,7cyclictest0-21swapper/122:10:001
114363993526,5cyclictest0-21swapper/021:00:000
114363993526,5cyclictest0-21swapper/021:00:000
114374993427,4cyclictest182464-21cron22:25:003
114370993426,4cyclictest0-21swapper/223:45:172
114370993424,7cyclictest214032-21grep23:55:152
114370993424,7cyclictest173929-21auditctl22:00:002
114363993425,6cyclictest0-21swapper/020:30:010
114374993329,2cyclictest0-21swapper/319:30:113
114374993323,6cyclictest0-21swapper/321:55:273
114370993326,3cyclictest0-21swapper/200:15:152
114370993325,4cyclictest229147-21idleruntime-cro00:40:002
114370993325,4cyclictest154321-21grep21:00:232
114370993325,4cyclictest154321-21grep21:00:232
114370993325,4cyclictest0-21swapper/221:35:252
114370993324,4cyclictest0-21swapper/219:10:162
114370993322,7cyclictest140438-21grep20:20:252
114367993326,4cyclictest163092-21unixbench_singl21:25:241
114367993325,4cyclictest0-21swapper/119:50:011
114367993324,4cyclictest0-21swapper/120:20:011
114367993321,8cyclictest121718-21auditctl19:30:011
114367993321,7cyclictest0-21swapper/123:40:011
114367993321,7cyclictest0-21swapper/123:25:261
114374993222,7cyclictest215282-21cut23:59:593
114374993222,6cyclictest144058-21grep20:30:253
114374993222,6cyclictest0-21swapper/319:55:013
114374993222,6cyclictest0-21swapper/319:55:013
114374993222,6cyclictest0-21swapper/300:29:593
114374993222,6cyclictest0-21swapper/300:10:003
114370993221,9cyclictest311ktimers/221:10:132
114370993216,10cyclictest311ktimers/222:25:112
114367993223,5cyclictest0-21swapper/119:55:011
114367993223,5cyclictest0-21swapper/119:55:001
114367993222,6cyclictest0-21swapper/121:45:011
114367993221,6cyclictest0-21swapper/120:55:251
114367993221,6cyclictest0-21swapper/120:55:241
114363993225,4cyclictest147935-21auditctl20:45:000
114363993224,4cyclictest0-21swapper/020:55:000
114374993123,4cyclictest0-21swapper/322:55:263
114374993122,6cyclictest0-21swapper/322:40:003
114370993122,5cyclictest0-21swapper/220:25:262
114370993121,7cyclictest200737-21grep23:15:262
114370993120,7cyclictest187102-21grep22:35:222
114367993122,5cyclictest0-21swapper/120:25:271
114367993114,14cyclictest24-21ksoftirqd/122:40:121
114374993023,4cyclictest391ktimers/321:25:113
114374993021,4cyclictest0-21swapper/322:05:253
114374993020,7cyclictest438-21cron23:10:013
114370993022,5cyclictest0-21swapper/219:40:012
114370993022,4cyclictest0-21swapper/221:05:252
114367993022,4cyclictest0-21swapper/121:20:241
114367993021,6cyclictest225911-21fschecks_count00:30:161
114367993020,7cyclictest151329-21sh20:55:001
114363993023,3cyclictest0-21swapper/021:50:260
114374992919,6cyclictest0-21swapper/320:35:253
114370992922,3cyclictest0-21swapper/223:20:232
114370992921,4cyclictest213408-21kworker/u8:0+events_unbound00:25:262
114370992920,4cyclictest0-21swapper/220:40:222
114370992918,8cyclictest135561-21cron20:10:002
114370992918,8cyclictest135561-21cron20:09:592
114370992917,6cyclictest0-21swapper/222:00:262
114370992915,12cyclictest32-21ksoftirqd/219:45:132
114367992922,4cyclictest0-21swapper/122:35:221
114367992921,5cyclictest24-21ksoftirqd/120:00:141
114367992920,6cyclictest195685-21grep23:00:261
114367992918,7cyclictest0-21swapper/119:10:161
114367992917,8cyclictest178609-21grep22:10:241
114363992924,3cyclictest141167-21apt-key20:25:020
114374992821,4cyclictest0-21swapper/300:35:003
114374992818,7cyclictest0-21swapper/319:50:013
114374992818,6cyclictest0-21swapper/321:00:143
114374992818,6cyclictest0-21swapper/321:00:133
114374992818,6cyclictest0-21swapper/320:15:013
114374992818,6cyclictest0-21swapper/320:15:013
114370992821,5cyclictest199304-21kworker/u8:3+events_unbound23:25:212
11437099282,10cyclictest210165-21cron23:45:012
114370992820,5cyclictest0-21swapper/219:50:262
114370992820,5cyclictest0-21swapper/219:50:262
114370992819,6cyclictest0-21swapper/219:30:252
114370992818,5cyclictest0-21swapper/222:30:262
114367992821,4cyclictest140448-21unixbench_multi20:20:251
114367992820,4cyclictest0-21swapper/121:55:271
114367992819,5cyclictest0-21swapper/121:14:591
114363992821,4cyclictest0-21swapper/021:30:260
114363992821,3cyclictest0-21swapper/023:20:010
114363992820,5cyclictest146211-21cron20:40:010
114374992720,3cyclictest0-21swapper/321:15:013
114374992719,5cyclictest0-21swapper/320:20:013
114370992721,3cyclictest0-21swapper/219:55:142
114370992715,7cyclictest0-21swapper/222:10:152
114367992721,4cyclictest199512-21cron23:15:011
114367992720,4cyclictest0-21swapper/123:20:261
114367992719,5cyclictest0-21swapper/122:25:241
114367992718,5cyclictest0-21swapper/122:20:001
114367992717,6cyclictest0-21swapper/100:10:261
114367992716,7cyclictest0-21swapper/122:20:251
114363992721,3cyclictest0-21swapper/022:35:220
114363992720,4cyclictest0-21swapper/021:42:380
114374992618,5cyclictest0-21swapper/321:40:263
114370992620,3cyclictest0-21swapper/221:55:012
114370992619,4cyclictest137273-21idleruntime-cro20:15:002
114370992619,4cyclictest137273-21idleruntime-cro20:15:002
114370992618,5cyclictest0-21swapper/222:40:262
114370992617,5cyclictest0-21swapper/220:15:172
114370992617,5cyclictest0-21swapper/200:30:162
114370992615,8cyclictest311ktimers/219:25:122
114367992618,5cyclictest24-21ksoftirqd/119:30:111
114367992618,4cyclictest0-21swapper/123:50:151
114363992619,3cyclictest0-21swapper/021:20:000
114363992618,5cyclictest13850irq/36-mmc100:00:010
114363992618,4cyclictest0-21swapper/023:02:560
11436399261,20cyclictest194378-21cron22:59:590
114374992519,3cyclictest0-21swapper/300:00:243
114374992517,5cyclictest0-21swapper/321:45:223
114374992515,6cyclictest0-21swapper/323:40:013
114374992515,6cyclictest0-21swapper/322:30:263
114374992514,8cyclictest184181-21basename22:30:003
114374992514,7cyclictest130885-21tune2fs19:55:173
114370992519,4cyclictest151123-21kworker/u8:1+events_unbound21:17:372
114370992518,4cyclictest161329-21tail21:20:242
114370992515,7cyclictest126379-21grep19:40:262
114370992514,7cyclictest146241-21munin-plugin-st20:40:012
114367992519,3cyclictest0-21swapper/100:00:011
114367992517,4cyclictest0-21swapper/122:55:161
114367992516,6cyclictest0-21swapper/120:10:191
114367992516,6cyclictest0-21swapper/120:10:181
114367992515,6cyclictest0-21swapper/119:45:011
114367992513,9cyclictest231ktimers/100:20:131
11436399253,20cyclictest0-21swapper/021:46:350
114363992520,3cyclictest162403-21latency21:25:170
114363992518,4cyclictest0-21swapper/023:50:140
114363992517,6cyclictest0-21swapper/022:10:120
114363992517,6cyclictest0-21swapper/019:15:040
114363992517,5cyclictest0-21swapper/000:10:000
11436399251,20cyclictest0-21swapper/023:27:060
11436399251,20cyclictest0-21swapper/021:01:400
11436399251,20cyclictest0-21swapper/021:01:390
114374992418,3cyclictest199087-21unixbench_singl23:10:253
114374992418,3cyclictest0-21swapper/321:30:203
114374992415,6cyclictest118314-21sendmail19:20:003
114370992414,6cyclictest205060-21grep23:30:142
114367992418,4cyclictest188929-21kworker/u8:1+events_unbound22:52:561
114367992417,4cyclictest0-21swapper/123:40:141
114367992417,4cyclictest0-21swapper/123:15:241
114367992416,6cyclictest0-21swapper/123:35:001
114367992416,5cyclictest0-21swapper/122:30:151
114367992415,6cyclictest0-21swapper/100:10:001
114367992414,7cyclictest189931-21cat22:45:211
114367992414,7cyclictest189931-21cat22:45:211
114367992414,7cyclictest175227-21grep22:00:261
11436399248,5cyclictest0-21swapper/022:20:170
114363992419,3cyclictest224028-21latency_hist00:25:000
114363992418,3cyclictest645-21runrttasks23:20:180
114363992418,3cyclictest0-21swapper/023:10:240
114363992418,3cyclictest0-21swapper/000:35:000
114363992416,5cyclictest0-21swapper/022:30:160
114363992416,4cyclictest0-21swapper/019:40:000
11436399241,4cyclictest210978-21ntp_states23:45:240
11436399241,20cyclictest438-21cron00:15:000
11436399241,19cyclictest0-21swapper/020:08:560
11436399241,19cyclictest0-21swapper/020:08:560
11436399241,19cyclictest0-21swapper/019:47:130
11436399241,19cyclictest0-21swapper/019:25:240
11436399241,19cyclictest0-21swapper/019:11:350
11436399240,20cyclictest0-21swapper/021:38:470
11436399240,20cyclictest0-21swapper/020:46:300
114374992317,3cyclictest0-21swapper/320:55:223
114374992317,3cyclictest0-21swapper/320:55:223
114374992316,4cyclictest0-21swapper/321:15:153
114374992315,4cyclictest0-21swapper/323:00:153
114374992314,5cyclictest0-21swapper/322:50:003
114374992314,5cyclictest0-21swapper/322:50:003
114374992313,6cyclictest391ktimers/320:40:263
114370992317,3cyclictest0-21swapper/223:50:252
114370992317,3cyclictest0-21swapper/223:10:202
114370992317,3cyclictest0-21swapper/222:50:182
114370992317,3cyclictest0-21swapper/222:05:162
114370992315,5cyclictest311ktimers/220:00:262
114367992317,3cyclictest0-21swapper/121:15:181
114367992314,6cyclictest155370-21ls21:05:191
11436399231,9cyclictest125641-21/usr/sbin/munin19:40:180
114363992319,2cyclictest13550irq/42-30be0000.ethernet19:50:140
114363992319,2cyclictest13550irq/42-30be0000.ethernet19:50:140
114363992318,3cyclictest114354-21cyclictest21:20:120
114363992318,2cyclictest0-21swapper/022:45:230
114363992318,2cyclictest0-21swapper/022:45:230
114363992317,4cyclictest0-21swapper/023:40:150
114363992317,2cyclictest0-21swapper/022:50:200
114363992316,4cyclictest130898-21fschecks_time19:55:160
114363992316,3cyclictest0-21swapper/020:13:030
114363992316,3cyclictest0-21swapper/020:13:030
114363992315,6cyclictest13850irq/36-mmc100:20:000
11436399231,20cyclictest0-21swapper/022:00:010
11436399231,18cyclictest0-21swapper/021:06:130
11436399231,18cyclictest0-21swapper/020:16:510
11436399231,18cyclictest0-21swapper/020:00:280
11436399231,18cyclictest0-21swapper/019:31:500
11436399231,18cyclictest0-21swapper/000:03:400
114374992216,3cyclictest0-21swapper/320:25:223
114374992215,3cyclictest0-21swapper/300:35:203
114374992214,5cyclictest139812-21cat20:20:173
114374992214,5cyclictest0-21swapper/319:20:243
11437099222,14cyclictest120011-21cron19:25:002
114370992216,3cyclictest0-21swapper/223:00:142
114370992216,3cyclictest0-21swapper/200:00:282
114370992215,4cyclictest311ktimers/220:45:172
114370992214,6cyclictest0-21swapper/223:10:002
114370992214,5cyclictest142449-21kworker/u8:0+events_unbound21:30:052
114370992214,3cyclictest0-21swapper/220:55:142
114370992214,3cyclictest0-21swapper/220:55:142
114370992213,6cyclictest218267-21grep00:05:252
114370992213,5cyclictest170108-21unixbench_singl21:45:272
114367992216,4cyclictest220945-21if_eth100:15:191
114367992215,4cyclictest0-21swapper/120:45:011
114367992215,3cyclictest0-21swapper/121:35:241
114367992211,8cyclictest169632-21ntp_states21:45:241
114363992216,3cyclictest0-21swapper/022:30:010
114363992215,4cyclictest205040-21fschecks_time23:30:140
11436399220,18cyclictest0-21swapper/020:32:340
114374992115,3cyclictest0-21swapper/320:50:173
114374992114,4cyclictest171306-21ntpq21:50:213
114374992112,6cyclictest0-21swapper/321:10:003
114374992110,8cyclictest212735-21cut23:50:233
11437099211,5cyclictest0-21swapper/222:45:162
11437099211,5cyclictest0-21swapper/222:45:152
114370992115,3cyclictest0-21swapper/220:50:142
114370992113,5cyclictest311ktimers/200:20:132
114367992115,4cyclictest645-21runrttasks20:10:001
114367992115,4cyclictest645-21runrttasks20:10:001
114367992114,5cyclictest231ktimers/121:00:181
114367992114,5cyclictest231ktimers/121:00:181
114367992114,5cyclictest231ktimers/120:35:211
114367992114,3cyclictest0-21swapper/100:00:291
114367992111,8cyclictest119296-21mailstats19:20:231
114367992111,7cyclictest170877-21diskstats21:50:161
11436399211,18cyclictest0-21swapper/023:05:080
11436399211,18cyclictest0-21swapper/000:27:230
114374992014,4cyclictest192680-21cron22:55:003
114374992014,3cyclictest0-21swapper/319:40:243
114374992012,5cyclictest391ktimers/323:50:013
114367992014,3cyclictest0-21swapper/100:25:181
114363992015,3cyclictest0-21swapper/022:00:260
114370991912,3cyclictest0-21swapper/222:20:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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