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2026-07-07 - 11:36

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 all highest latencies:
System rackbslot5s.osadl.org (updated Tue Jul 07, 2026 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2026337995344,6cyclictest2118542-21cut23:40:003
2026325994942,4cyclictest2094219-21unixbench_multi22:25:260
2026334994737,7cyclictest311ktimers/222:10:102
2026325994733,10cyclictest121ktimers/021:55:140
2026329994640,4cyclictest2122400-21fschecks_time23:50:171
2026334994538,4cyclictest2118540-21munin-run23:40:002
2026334994535,5cyclictest2037955-21grep19:45:012
2026329994538,4cyclictest2063732-21munin-plugin-st21:00:001
2026329994536,6cyclictest0-21swapper/119:45:021
202633499415,6cyclictest131rcu_preempt21:10:142
2026334994131,7cyclictest2087360-21grep22:05:242
2026337994033,4cyclictest2084418-21munin-run22:00:003
2026337993928,5cyclictest2121710-21kworker/u8:0+events_unbound00:07:483
2026334993932,4cyclictest0-21swapper/221:05:002
2026334993930,4cyclictest0-21swapper/200:10:002
2026334993928,7cyclictest2034114-21grep19:30:252
2026334993926,9cyclictest2092540-21grep22:20:252
2026329993929,7cyclictest2087363-21unixbench_multi22:05:251
2026325993929,8cyclictest121ktimers/020:40:120
2026337993829,5cyclictest0-21swapper/300:20:003
2026334993831,5cyclictest2113092-21kworker/u8:0+events_unbound23:32:422
2026334993831,5cyclictest2113092-21kworker/u8:0+events_unbound23:32:412
2026329993826,7cyclictest0-21swapper/122:20:241
2026329993826,7cyclictest0-21swapper/119:15:251
2026334993729,4cyclictest0-21swapper/220:30:252
2026334993727,6cyclictest0-21swapper/219:50:262
2026329993731,4cyclictest2034163-21kworker/u8:2+events_unbound19:57:141
2026329993731,4cyclictest2034163-21kworker/u8:2+events_unbound19:57:141
2026337993628,3cyclictest0-21swapper/300:40:013
2026337993623,9cyclictest391ktimers/322:35:123
202633499364,8cyclictest32-21ksoftirqd/221:55:142
2026334993628,4cyclictest0-21swapper/220:20:012
202633499362,5cyclictest131rcu_preempt20:20:132
2026337993528,5cyclictest2034404-21kworker/u8:3+events_unbound19:52:143
2026337993527,6cyclictest2077130-21kworker/u8:0+events_unbound21:37:253
2026337993522,9cyclictest2050084-21latency_hist20:20:003
2026334993528,4cyclictest0-21swapper/222:25:172
2026334993526,6cyclictest2058164-21grep20:40:272
2026329993528,4cyclictest0-21swapper/100:30:161
2026329993524,7cyclictest0-21swapper/120:35:261
2026325993525,6cyclictest0-21swapper/021:45:010
2026337993427,5cyclictest2089430-21kworker/u8:0+events_unbound22:17:283
2026337993427,5cyclictest2070175-21kworker/u8:0+events_unbound21:24:413
2026337993427,4cyclictest2049781-21kworker/u8:0+events_unbound20:22:183
2026337993425,5cyclictest2068848-21apt21:15:003
2026337993424,8cyclictest2104890-21sendmail23:00:003
2026337993423,8cyclictest2125356-21sh23:59:593
2026337993418,6cyclictest2026469-21kworker/u8:2+events_unbound19:23:043
2026334993426,5cyclictest0-21swapper/223:59:592
2026334993426,4cyclictest0-21swapper/221:00:002
2026334993425,6cyclictest2030442-21grep19:20:272
2026329993426,4cyclictest0-21swapper/119:30:161
2026329993416,5cyclictest2123423-21kworker/u8:1+events_unbound00:27:351
2026325993425,5cyclictest2108313-21basename23:10:000
2026337993324,6cyclictest0-21swapper/321:00:003
2026337993324,5cyclictest2058166-21tail20:40:263
2026337993322,7cyclictest0-21swapper/319:30:253
2026337993320,10cyclictest391ktimers/321:45:123
2026337993312,5cyclictest40-21ksoftirqd/322:50:113
2026334993327,4cyclictest2137379-21kworker/u8:0+events_unbound00:37:542
2026334993327,3cyclictest0-21swapper/221:20:272
2026329993323,7cyclictest2075672-21sh21:35:011
2026325993326,4cyclictest0-21swapper/000:00:250
2026325993326,3cyclictest0-21swapper/020:20:270
2026337993225,4cyclictest0-21swapper/323:20:263
2026337993225,4cyclictest0-21swapper/323:20:253
2026337993225,3cyclictest0-21swapper/323:30:003
2026337993223,6cyclictest2115742-21grep23:30:183
2026337993223,6cyclictest2115742-21grep23:30:183
2026337993222,6cyclictest2111304-21grep23:15:263
2026337993222,6cyclictest2111304-21grep23:15:263
2026334993225,5cyclictest2123423-21kworker/u8:1+events_unbound00:12:512
2026334993225,4cyclictest0-21swapper/219:30:012
2026334993220,4cyclictest131rcu_preempt00:00:102
2026329993227,3cyclictest2125409-21latency_hist00:00:001
2026329993225,4cyclictest0-21swapper/121:40:021
2026329993225,4cyclictest0-21swapper/119:20:171
2026329993223,6cyclictest2041092-21grep19:50:261
2026329993223,5cyclictest2102733-21grep22:50:241
2026329993222,6cyclictest0-21swapper/122:10:231
2026329993221,7cyclictest0-21swapper/122:45:251
2026329993221,7cyclictest0-21swapper/100:40:001
2026329993212,4cyclictest2078655-21unixbench_singl21:40:251
2026325993224,4cyclictest0-21swapper/000:40:000
2026325993223,4cyclictest0-21swapper/021:47:250
2026337993124,5cyclictest2119909-21kworker/u8:1+events_unbound23:42:453
2026337993123,4cyclictest0-21swapper/322:10:133
2026334993125,3cyclictest0-21swapper/222:20:012
2026334993124,3cyclictest0-21swapper/200:15:262
2026334993121,7cyclictest2097588-21grep22:35:242
2026334993121,6cyclictest0-21swapper/220:00:012
2026334993121,6cyclictest0-21swapper/220:00:002
2026329993124,4cyclictest0-21swapper/120:05:011
2026329993124,4cyclictest0-21swapper/120:05:001
2026329993123,4cyclictest0-21swapper/100:07:481
2026329993122,6cyclictest2070547-21cron21:20:011
2026329993122,6cyclictest2070547-21cron21:20:001
2026329993122,6cyclictest0-21swapper/122:35:241
2026329993121,6cyclictest0-21swapper/120:20:001
2026325993122,5cyclictest0-21swapper/023:15:000
202632599310,27cyclictest0-21swapper/019:40:120
2026337993024,4cyclictest2065838-21fschecks_count21:05:163
2026337993022,5cyclictest2047050-21fschecks_count20:10:153
2026334993023,5cyclictest2034163-21kworker/u8:2+events_unbound20:12:152
2026334993022,5cyclictest0-21swapper/221:40:012
2026334993021,6cyclictest0-21swapper/222:55:002
2026334993015,6cyclictest2092902-21kworker/u8:2+events_unbound22:32:302
2026334993012,11cyclictest131rcu_preempt19:18:182
2026325993023,4cyclictest0-21swapper/023:20:260
2026325993023,4cyclictest0-21swapper/023:20:250
2026325993020,7cyclictest2125581-21apt-key00:00:010
2026325993020,6cyclictest0-21swapper/020:10:010
2026337992922,4cyclictest0-21swapper/322:30:263
2026334992923,4cyclictest2073660-21kworker/u8:2+events_unbound21:27:252
2026334992922,4cyclictest0-21swapper/223:40:242
2026334992921,5cyclictest0-21swapper/200:35:002
2026334992921,4cyclictest0-21swapper/223:00:252
2026334992921,4cyclictest0-21swapper/220:05:262
2026334992920,5cyclictest0-21swapper/221:50:012
202633499291,3cyclictest131rcu_preempt19:35:122
2026329992922,5cyclictest2106380-21kworker/u8:2+events_unbound23:07:371
2026329992922,4cyclictest0-21swapper/123:20:161
2026329992922,4cyclictest0-21swapper/123:20:161
2026329992921,4cyclictest0-21swapper/123:15:171
2026329992921,4cyclictest0-21swapper/123:15:161
2026329992921,4cyclictest0-21swapper/121:30:001
2026325992922,4cyclictest0-21swapper/021:55:010
2026325992921,5cyclictest0-21swapper/020:35:260
2026337992822,3cyclictest0-21swapper/300:20:233
2026337992821,4cyclictest0-21swapper/321:30:293
2026337992820,4cyclictest0-21swapper/322:50:003
2026337992818,6cyclictest0-21swapper/323:10:263
2026334992820,5cyclictest0-21swapper/223:30:012
202632999288,10cyclictest24-21ksoftirqd/121:20:131
2026329992820,5cyclictest0-21swapper/123:45:141
2026329992820,5cyclictest0-21swapper/123:45:141
2026329992817,7cyclictest0-21swapper/119:25:261
2026325992823,3cyclictest13550irq/42-30be0000.ethernet23:35:170
2026325992822,3cyclictest2026319-21cyclictest22:40:120
2026325992822,3cyclictest0-21swapper/019:25:010
2026325992822,3cyclictest0-21swapper/000:35:010
2026325992820,4cyclictest0-21swapper/023:50:250
2026325992814,11cyclictest2026319-21cyclictest22:45:120
2026337992721,3cyclictest0-21swapper/300:25:263
2026334992721,3cyclictest0-21swapper/222:40:162
2026334992719,4cyclictest0-21swapper/222:05:002
2026329992721,3cyclictest0-21swapper/121:00:291
2026329992720,5cyclictest2097714-21kworker/u8:0+events_unbound22:42:301
2026329992720,4cyclictest0-21swapper/123:40:191
2026329992718,5cyclictest0-21swapper/100:10:251
2026329992717,6cyclictest0-21swapper/123:35:251
2026329992710,6cyclictest24-21ksoftirqd/100:20:141
2026325992720,4cyclictest0-21swapper/022:00:250
2026325992720,4cyclictest0-21swapper/019:50:270
2026325992720,3cyclictest0-21swapper/020:20:000
2026325992719,5cyclictest2135824-21idleruntime-cro00:30:010
2026325992718,6cyclictest2086867-21missed_timers22:05:190
2026337992620,3cyclictest0-21swapper/300:35:003
2026337992610,10cyclictest131rcu_preempt19:35:113
2026334992620,3cyclictest0-21swapper/221:05:262
2026334992619,5cyclictest2051663-21kworker/u8:2+events_unbound20:27:192
2026334992617,6cyclictest2026954-21sort19:15:022
202633499261,4cyclictest131rcu_preempt19:45:112
2026334992613,4cyclictest131rcu_preempt23:07:322
202632999269,4cyclictest2053311-21kworker/u8:3+events_unbound20:28:591
202632999265,10cyclictest24-21ksoftirqd/123:00:171
2026329992619,5cyclictest2049781-21kworker/u8:0+events_unbound20:22:231
2026329992618,6cyclictest2123423-21kworker/u8:1+events_unbound00:04:381
2026329992618,5cyclictest2047908-21grep20:10:241
2026329992618,5cyclictest0-21swapper/121:05:161
2026329992614,8cyclictest2131910-21grep00:15:261
2026329992613,7cyclictest231ktimers/121:55:131
202632999261,12cyclictest0-21swapper/123:31:371
202632999261,12cyclictest0-21swapper/123:31:361
2026329992610,6cyclictest24-21ksoftirqd/123:10:211
2026325992619,5cyclictest11-21ksoftirqd/021:25:100
2026325992619,3cyclictest0-21swapper/022:10:210
2026337992519,3cyclictest0-21swapper/319:25:253
2026337992518,4cyclictest2045740-21ntpq20:05:213
2026337992517,5cyclictest391ktimers/323:02:203
2026337992517,4cyclictest0-21swapper/323:50:253
2026337992516,7cyclictest2091798-21if_eth122:20:163
2026337992516,6cyclictest2054676-21wc20:30:263
2026337992516,6cyclictest0-21swapper/321:50:133
2026337992513,4cyclictest131rcu_preempt19:16:313
2026337992510,9cyclictest131rcu_preempt23:48:513
2026337992510,9cyclictest131rcu_preempt23:48:513
2026334992519,4cyclictest2073660-21kworker/u8:2+events_unbound21:32:252
2026334992517,5cyclictest0-21swapper/222:45:262
2026334992517,5cyclictest0-21swapper/221:40:252
2026334992517,4cyclictest0-21swapper/222:55:202
2026334992512,4cyclictest131rcu_preempt23:12:042
2026329992518,5cyclictest2044674-21kworker/u8:1+events_unbound20:05:231
2026329992517,5cyclictest2087686-21kworker/u8:3+events_unbound22:18:331
2026329992516,6cyclictest0-21swapper/121:45:161
202632599252,4cyclictest2132403-21munin-run00:20:000
2026325992519,4cyclictest0-21swapper/022:55:290
202632599251,8cyclictest0-21swapper/021:10:010
2026325992517,5cyclictest151rcuc/000:10:110
2026325992516,5cyclictest0-21swapper/022:22:320
2026325992514,7cyclictest204-21dbus-daemon19:17:100
202632599251,20cyclictest0-21swapper/019:49:230
202632599251,20cyclictest0-21swapper/000:20:400
2026337992418,3cyclictest0-21swapper/322:05:163
2026337992418,3cyclictest0-21swapper/320:45:263
2026337992418,3cyclictest0-21swapper/319:55:263
2026337992418,3cyclictest0-21swapper/319:55:263
2026337992416,4cyclictest0-21swapper/300:00:153
2026337992414,7cyclictest2093802-21awk22:25:243
2026337992412,9cyclictest2061102-21ntpq20:50:223
2026334992418,3cyclictest0-21swapper/223:45:182
2026334992418,3cyclictest0-21swapper/223:45:172
2026334992418,3cyclictest0-21swapper/200:25:222
2026329992418,4cyclictest2092902-21kworker/u8:2+events_unbound22:25:491
2026329992418,3cyclictest0-21swapper/121:10:151
2026329992418,3cyclictest0-21swapper/120:30:111
2026329992414,4cyclictest0-21swapper/119:45:231
202632599248,13cyclictest121ktimers/019:40:010
202632599247,12cyclictest13550irq/42-30be0000.ethernet22:30:130
2026325992418,3cyclictest13850irq/36-mmc121:00:000
2026325992418,3cyclictest0-21swapper/020:25:180
2026325992417,3cyclictest0-21swapper/023:30:160
2026325992417,3cyclictest0-21swapper/023:30:160
2026325992417,3cyclictest0-21swapper/022:50:150
2026325992417,3cyclictest0-21swapper/020:03:480
2026325992417,3cyclictest0-21swapper/020:03:470
2026325992416,5cyclictest121ktimers/020:50:240
202632599241,19cyclictest0-21swapper/023:42:470
2026337992317,3cyclictest0-21swapper/321:40:233
2026337992317,3cyclictest0-21swapper/321:30:003
2026337992316,5cyclictest2063413-21kworker/u8:1+events_unbound21:00:183
2026337992316,5cyclictest0-21swapper/320:00:163
2026337992316,5cyclictest0-21swapper/320:00:163
2026337992314,6cyclictest0-21swapper/321:15:253
2026337992314,6cyclictest0-21swapper/321:15:253
2026337992313,7cyclictest2130111-21cat00:10:253
2026337992313,7cyclictest2056928-21sendmail20:40:013
2026334992317,4cyclictest2042903-21kworker/u8:0+events_unbound20:02:152
2026334992317,4cyclictest2042903-21kworker/u8:0+events_unbound20:02:152
2026334992316,4cyclictest2111259-21tail23:15:262
2026334992316,4cyclictest2111259-21tail23:15:262
202633499231,3cyclictest131rcu_preempt20:50:142
2026329992314,5cyclictest0-21swapper/121:50:251
2026329992313,7cyclictest0-21swapper/120:45:271
202632999231,13cyclictest0-21swapper/120:42:441
2026325992317,4cyclictest0-21swapper/000:05:130
2026325992316,4cyclictest13550irq/42-30be0000.ethernet21:15:140
2026325992316,4cyclictest13550irq/42-30be0000.ethernet21:15:130
2026325992316,3cyclictest0-21swapper/022:39:000
2026325992316,3cyclictest0-21swapper/021:09:400
2026325992316,3cyclictest0-21swapper/021:03:270
2026325992314,5cyclictest0-21swapper/023:00:430
2026325992314,5cyclictest0-21swapper/021:21:440
2026325992313,6cyclictest0-21swapper/023:45:240
2026325992313,6cyclictest0-21swapper/023:45:240
202632599231,20cyclictest0-21swapper/021:35:240
202632599231,19cyclictest0-21swapper/020:10:120
202632599231,18cyclictest0-21swapper/019:28:560
202632599231,18cyclictest0-21swapper/019:14:000
202632599230,19cyclictest0-21swapper/022:15:540
202632599230,19cyclictest0-21swapper/020:34:340
202633799229,4cyclictest131rcu_preempt19:12:173
2026337992212,8cyclictest2039707-21latency_hist19:50:013
2026334992216,3cyclictest0-21swapper/223:20:172
2026334992216,3cyclictest0-21swapper/223:20:172
202632999222,15cyclictest1-21systemd20:52:211
2026329992213,6cyclictest0-21swapper/122:30:251
202632599224,13cyclictest13550irq/42-30be0000.ethernet19:30:110
2026325992215,3cyclictest0-21swapper/021:30:370
2026325992215,3cyclictest0-21swapper/019:57:090
2026325992215,3cyclictest0-21swapper/019:57:090
202632599221,19cyclictest0-21swapper/023:29:270
2026325992211,8cyclictest2059359-21cat20:45:210
202632599220,18cyclictest0-21swapper/023:17:040
202632599220,18cyclictest0-21swapper/023:17:040
2026337992115,3cyclictest0-21swapper/320:25:273
2026337992112,6cyclictest2098837-21ntp_kernel_err22:40:213
202633499219,9cyclictest311ktimers/200:20:112
202633499216,6cyclictest2067166-21kworker/u8:2+events_unbound21:15:082
202633499216,6cyclictest2067166-21kworker/u8:2+events_unbound21:15:082
202633499210,3cyclictest131rcu_preempt20:50:002
202632999212,15cyclictest2104881-21cron23:00:001
202632999211,5cyclictest0-21swapper/119:38:121
2026329992114,5cyclictest2111330-21kworker/u8:3+events_unbound23:25:021
2026329992114,5cyclictest2024425-21kworker/u8:0+events_unbound19:14:201
202633499204,3cyclictest131rcu_preempt21:55:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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