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2026-05-27 - 00:03

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 highest latencies:
System rackbslot5s.osadl.org (updated Tue May 26, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
549262995640,12cyclictest311ktimers/212:05:142
549262995640,12cyclictest311ktimers/212:05:132
549258995239,9cyclictest231ktimers/107:40:131
549262994841,4cyclictest649719-21cron12:00:002
549267994738,6cyclictest649736-21sendmail12:00:013
549267994732,11cyclictest391ktimers/310:05:143
549262994638,5cyclictest646309-21kworker/u8:3+events_unbound12:15:152
549252994639,4cyclictest563636-21idleruntime-cro07:50:000
549258994537,4cyclictest629045-21cron11:00:001
549262994335,5cyclictest580677-21munin-plugin-st08:40:012
549262994329,10cyclictest311ktimers/209:05:112
549258994332,7cyclictest599452-21grep09:30:261
549258994324,6cyclictest131rcu_preempt08:25:131
54925899431,10cyclictest24-21ksoftirqd/111:35:111
549258994230,8cyclictest587501-21idleruntime-cro09:00:001
549252994223,3cyclictest0-21swapper/010:20:010
549252994033,5cyclictest636543-21kworker/u8:0+events_unbound11:40:140
549252994031,5cyclictest556334-21tail07:25:260
549258993929,7cyclictest601144-21grep09:35:261
549258993828,7cyclictest648019-21sh11:55:001
54925299381,3cyclictest131rcu_preempt07:20:130
549262993730,4cyclictest601586-21sendmail09:40:002
549262993729,4cyclictest0-21swapper/211:10:012
549262993726,9cyclictest311ktimers/211:45:112
549267993630,4cyclictest636093-21grep11:20:003
549262993627,5cyclictest0-21swapper/210:40:162
549252993627,6cyclictest599455-21unixbench_singl09:30:250
549252993627,5cyclictest602878-21grep09:40:250
549252993625,7cyclictest0-21swapper/009:10:260
549252993625,7cyclictest0-21swapper/009:00:000
549267993527,4cyclictest0-21swapper/309:10:163
549267993523,7cyclictest0-21swapper/309:05:243
549267993520,11cyclictest391ktimers/312:30:123
549258993528,4cyclictest636096-21sh11:20:001
549258993527,4cyclictest0-21swapper/112:30:001
549258993527,4cyclictest0-21swapper/111:55:241
549258993527,4cyclictest0-21swapper/107:45:271
54925899351,5cyclictest131rcu_preempt11:25:111
549252993528,4cyclictest622252-21sendmail10:40:000
549252993528,4cyclictest622252-21sendmail10:40:000
54925299351,4cyclictest131rcu_preempt10:10:110
54925299351,31cyclictest0-21swapper/010:30:110
549267993423,7cyclictest0-21swapper/307:25:263
549262993425,5cyclictest0-21swapper/207:50:152
549258993424,7cyclictest607913-21unixbench_multi09:55:251
549252993427,4cyclictest0-21swapper/008:20:010
549252993423,7cyclictest566585-21grep07:55:250
549252993420,10cyclictest121ktimers/010:00:130
54925299341,5cyclictest131rcu_preempt08:35:130
549267993325,4cyclictest0-21swapper/310:00:003
549267993324,6cyclictest623557-21unixbench_singl10:40:253
549262993325,4cyclictest0-21swapper/212:00:172
549258993326,4cyclictest0-21swapper/110:55:011
549258993325,6cyclictest627276-21kworker/u8:2+events_unbound11:10:061
549258993322,7cyclictest554677-21grep07:20:261
549258993322,7cyclictest553390-21sh07:20:021
549258993322,7cyclictest0-21swapper/109:00:271
549252993326,4cyclictest658265-21sh12:24:590
549252993326,3cyclictest0-21swapper/010:25:250
549252993325,6cyclictest566929-21kworker/u8:3+events_unbound08:24:280
549252993324,6cyclictest0-21swapper/012:20:000
54925299331,4cyclictest131rcu_preempt11:00:130
549267993225,3cyclictest0-21swapper/308:00:153
549267993222,6cyclictest0-21swapper/311:35:253
549267993221,6cyclictest0-21swapper/308:30:253
549262993224,4cyclictest0-21swapper/207:15:252
549262993223,6cyclictest611400-21unixbench_singl10:05:252
549262993221,8cyclictest311ktimers/212:10:132
549258993221,7cyclictest606211-21grep09:50:251
549258993221,7cyclictest604563-21grep09:45:241
549258993221,7cyclictest604563-21grep09:45:241
549252993222,6cyclictest607974-21grep09:55:240
54925299321,28cyclictest0-21swapper/011:45:120
549267993123,4cyclictest0-21swapper/311:45:003
549267993122,6cyclictest0-21swapper/311:05:163
549267993121,7cyclictest0-21swapper/307:35:253
549267993121,6cyclictest0-21swapper/310:20:253
549267993121,6cyclictest0-21swapper/307:10:253
549267993120,7cyclictest0-21swapper/310:20:003
549267993120,6cyclictest0-21swapper/309:45:153
549267993120,6cyclictest0-21swapper/309:45:143
549262993124,5cyclictest554966-21kworker/u8:1+events_unbound08:09:432
549262993124,4cyclictest0-21swapper/208:50:252
549262993124,3cyclictest0-21swapper/209:30:252
549262993120,7cyclictest584098-21munin-run08:50:002
549258993124,4cyclictest0-21swapper/111:05:251
549258993123,4cyclictest0-21swapper/110:45:261
54925299319,19cyclictest0-21swapper/011:20:000
549252993124,4cyclictest0-21swapper/008:45:260
549252993124,3cyclictest0-21swapper/007:15:250
549252993123,6cyclictest151rcuc/010:45:120
549252993120,8cyclictest151rcuc/008:25:130
549267993023,4cyclictest0-21swapper/310:30:253
549267993023,3cyclictest0-21swapper/310:10:153
549267993022,4cyclictest0-21swapper/309:40:243
549267993021,6cyclictest0-21swapper/309:05:003
549267993021,5cyclictest0-21swapper/307:20:013
549267993020,6cyclictest0-21swapper/311:05:003
549267993019,7cyclictest0-21swapper/307:35:013
549262993022,6cyclictest0-21swapper/212:30:262
549258993022,5cyclictest618840-21munin-plugin-st10:30:001
549258993022,4cyclictest0-21swapper/109:10:251
549258993022,4cyclictest0-21swapper/108:40:251
549258993022,4cyclictest0-21swapper/108:20:231
549258993022,4cyclictest0-21swapper/108:15:011
549258993022,4cyclictest0-21swapper/108:15:001
549258993021,5cyclictest0-21swapper/108:20:001
549252993023,5cyclictest584584-21kworker/u8:1+events_unbound09:24:390
549252993020,6cyclictest0-21swapper/008:30:250
549267992920,5cyclictest0-21swapper/309:40:003
549267992919,6cyclictest0-21swapper/309:15:293
549267992919,6cyclictest0-21swapper/307:50:003
549267992918,6cyclictest0-21swapper/309:30:253
549267992917,8cyclictest1-21systemd08:39:303
549262992921,4cyclictest0-21swapper/212:35:242
549262992920,6cyclictest0-21swapper/208:55:152
549258992922,4cyclictest0-21swapper/107:30:011
549258992921,4cyclictest0-21swapper/110:30:151
549258992921,4cyclictest0-21swapper/110:20:161
549258992921,4cyclictest0-21swapper/109:25:011
549258992920,5cyclictest558458-21kworker/u8:2+events_unbound07:55:241
549258992918,7cyclictest594051-21grep09:15:281
549258992915,10cyclictest231ktimers/110:05:131
549252992920,5cyclictest0-21swapper/011:20:260
549252992919,6cyclictest0-21swapper/009:50:240
549267992815,9cyclictest1-21systemd11:10:043
549262992819,6cyclictest639502-21sh11:30:002
549258992820,5cyclictest656551-21cron12:19:591
549258992820,4cyclictest0-21swapper/112:10:151
549258992818,7cyclictest614782-21grep10:15:241
549252992817,9cyclictest121ktimers/008:05:150
549267992720,4cyclictest0-21swapper/307:50:263
549267992719,4cyclictest0-21swapper/307:55:263
549267992719,4cyclictest0-21swapper/307:40:243
549267992718,6cyclictest0-21swapper/307:25:013
549267992711,12cyclictest391ktimers/309:50:103
549262992720,4cyclictest0-21swapper/209:15:002
549262992719,4cyclictest0-21swapper/209:25:252
549258992721,3cyclictest0-21swapper/108:00:211
549258992720,5cyclictest623881-21kworker/u8:1+events_unbound10:44:431
549258992717,6cyclictest0-21swapper/108:10:001
549258992717,5cyclictest0-21swapper/111:20:071
549252992720,3cyclictest0-21swapper/012:40:000
549252992717,7cyclictest564885-21grep07:50:260
549267992618,5cyclictest0-21swapper/310:35:263
549267992618,5cyclictest0-21swapper/310:35:263
549262992621,3cyclictest608385-21latency_hist10:00:002
549262992619,4cyclictest625664-21munin-plugin-st10:50:002
549262992619,3cyclictest0-21swapper/208:40:162
549262992618,5cyclictest0-21swapper/211:00:272
549258992615,8cyclictest621872-21seq10:35:451
549258992615,8cyclictest621872-21seq10:35:451
549258992613,9cyclictest204-21dbus-daemon10:14:481
549258992613,5cyclictest575344-21kworker/u8:0+events_unbound08:32:041
54925299262,4cyclictest638492-21memory11:25:180
549252992620,3cyclictest0-21swapper/011:10:010
549252992620,3cyclictest0-21swapper/008:40:120
549252992620,3cyclictest0-21swapper/007:40:250
549252992618,6cyclictest646309-21kworker/u8:3+events_unbound11:50:130
549252992618,5cyclictest0-21swapper/008:55:000
549252992616,6cyclictest0-21swapper/012:25:220
54925299261,20cyclictest640749-21tail11:30:240
549267992518,4cyclictest0-21swapper/309:20:243
549267992518,3cyclictest0-21swapper/309:25:243
549267992516,6cyclictest0-21swapper/311:00:013
549267992516,5cyclictest0-21swapper/312:25:223
549267992515,6cyclictest0-21swapper/308:45:263
549262992519,3cyclictest0-21swapper/210:00:162
549262992518,4cyclictest560212-21sh07:40:022
549262992518,4cyclictest0-21swapper/212:20:252
549258992515,6cyclictest0-21swapper/110:00:161
549258992513,8cyclictest640743-21grep11:30:241
549252992518,5cyclictest623881-21kworker/u8:1+events_unbound10:44:580
549252992518,5cyclictest615160-21kworker/u8:0+events_unbound10:20:030
549252992517,6cyclictest623881-21kworker/u8:1+events_unbound10:54:590
549252992515,6cyclictest0-21swapper/009:15:280
54925299251,20cyclictest604517-21unixbench_multi09:45:240
54925299251,20cyclictest604517-21unixbench_multi09:45:240
54925299251,20cyclictest0-21swapper/009:26:140
549267992418,4cyclictest391ktimers/308:27:163
549267992417,4cyclictest0-21swapper/308:10:263
549267992417,4cyclictest0-21swapper/308:10:263
549267992417,3cyclictest0-21swapper/308:20:013
549267992413,8cyclictest663379-21run-parts12:40:003
549262992419,3cyclictest621058-21sshd10:35:192
549262992419,3cyclictest621058-21sshd10:35:192
549262992417,5cyclictest558458-21kworker/u8:2+events_unbound08:00:502
549262992417,4cyclictest0-21swapper/210:15:232
549262992417,4cyclictest0-21swapper/209:15:182
549262992416,5cyclictest0-21swapper/208:20:232
549258992418,3cyclictest650525-21ntpq12:00:211
549258992417,5cyclictest648246-21kworker/u8:1+events_unbound12:20:141
549258992416,4cyclictest0-21swapper/107:15:011
549252992417,5cyclictest646309-21kworker/u8:3+events_unbound12:10:220
549252992417,4cyclictest571745-21grep08:10:270
549252992417,4cyclictest571745-21grep08:10:270
549252992417,3cyclictest0-21swapper/011:57:430
549252992416,5cyclictest0-21swapper/011:35:250
549252992416,5cyclictest0-21swapper/011:10:250
54925299241,20cyclictest651031-21grep12:00:260
54925299241,20cyclictest610686-21grep10:05:180
54925299241,19cyclictest0-21swapper/009:00:080
54925299241,19cyclictest0-21swapper/008:02:350
54925299240,22cyclictest0-21swapper/007:39:140
549267992317,3cyclictest0-21swapper/310:45:243
549267992316,3cyclictest0-21swapper/311:25:013
549267992315,5cyclictest646321-21sh11:50:003
549267992315,5cyclictest391ktimers/312:22:033
549267992314,6cyclictest0-21swapper/312:00:203
549267992314,5cyclictest0-21swapper/311:25:153
549262992317,3cyclictest0-21swapper/212:25:142
549262992317,3cyclictest0-21swapper/211:20:182
549262992316,4cyclictest6259702sleep210:50:142
549262992316,4cyclictest0-21swapper/208:30:152
549262992315,5cyclictest555122-21basename07:25:012
549262992315,5cyclictest0-21swapper/209:25:012
549262992315,5cyclictest0-21swapper/208:25:192
54925899233,17cyclictest590482-21grep09:05:251
549258992317,3cyclictest0-21swapper/108:35:191
549258992316,5cyclictest575344-21kworker/u8:0+events_unbound08:52:191
54925899231,5cyclictest131rcu_preempt11:45:121
549258992315,5cyclictest651843-21fschecks_count12:05:171
549258992315,5cyclictest651843-21fschecks_count12:05:161
549258992315,4cyclictest563999-21fschecks_count07:50:151
549252992316,3cyclictest0-21swapper/012:09:240
549252992316,3cyclictest0-21swapper/012:09:240
54925299231,20cyclictest0-21swapper/007:13:240
54925299231,18cyclictest0-21swapper/012:34:590
549267992214,5cyclictest0-21swapper/308:55:003
549267992214,5cyclictest0-21swapper/308:45:013
549267992213,6cyclictest0-21swapper/310:30:013
549262992216,3cyclictest0-21swapper/211:35:202
549262992216,3cyclictest0-21swapper/207:45:192
549262992214,5cyclictest311ktimers/211:40:162
549262992214,5cyclictest311ktimers/207:45:002
54925899222,4cyclictest131rcu_preempt12:30:121
549258992215,5cyclictest636543-21kworker/u8:0+events_unbound11:41:001
549258992215,5cyclictest231ktimers/109:40:141
549258992215,4cyclictest598175-21idleruntime-cro09:30:001
549258992215,4cyclictest0-21swapper/107:30:181
549258992214,4cyclictest0-21swapper/112:35:201
54925299222,16cyclictest558048-21unixbench_multi07:30:250
54925299221,17cyclictest0-21swapper/009:35:050
549267992115,3cyclictest0-21swapper/308:55:243
549267992114,3cyclictest655264-21fschecks_time12:15:173
549267992113,5cyclictest653140-21sh12:10:003
549267992113,5cyclictest653140-21sh12:10:003
54926299219,9cyclictest587847-21df09:00:142
549262992115,3cyclictest632968-21cpu11:10:132
549262992115,3cyclictest0-21swapper/210:25:242
549262992114,5cyclictest0-21swapper/207:15:012
549262992111,7cyclictest603867-21tr09:45:172
549262992111,7cyclictest603867-21tr09:45:162
549262992111,6cyclictest606678-21sh09:55:002
549262992110,8cyclictest601923-21df_inode09:40:132
549258992112,6cyclictest560426-21cut07:40:011
549267992013,4cyclictest569313-21mii-tool08:05:203
549267992013,3cyclictest0-21swapper/311:50:263
549262992014,3cyclictest0-21swapper/211:50:232
549262992014,3cyclictest0-21swapper/210:55:162
549262992014,3cyclictest0-21swapper/208:15:222
549262992013,4cyclictest617123-21cron10:25:002
549262992013,4cyclictest0-21swapper/208:10:252
549262992013,4cyclictest0-21swapper/208:10:252
549262992013,4cyclictest0-21swapper/207:30:262
54926799197,3cyclictest0-21swapper/308:20:113
549267991913,3cyclictest0-21swapper/310:00:203
549267991910,6cyclictest653979-21/usr/sbin/munin12:10:233
549262991913,4cyclictest311ktimers/211:15:142
549262991910,6cyclictest639826-21/usr/sbin/munin11:30:142
549262991910,6cyclictest619163-21/usr/sbin/munin10:30:132
54926299180,16cyclictest311ktimers/207:25:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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