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2026-04-14 - 19:38

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 14, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1921701995338,11cyclictest311ktimers/208:35:132
1921693995339,9cyclictest121ktimers/009:45:130
1921705995139,8cyclictest1956975-21apt-key08:50:013
1921701995036,10cyclictest311ktimers/212:25:122
1921705994814,14cyclictest40-21ksoftirqd/308:35:143
1921701994737,7cyclictest1978936-21unixbench_singl09:50:252
1921701994630,12cyclictest311ktimers/207:30:122
1921696994535,7cyclictest1989978-21fschecks_count10:25:161
1921701994432,9cyclictest311ktimers/209:30:102
1921696994436,5cyclictest1972530-21sh09:35:001
1921693994323,16cyclictest13550irq/42-30be0000.ethernet08:55:130
1921696994231,7cyclictest0-21swapper/108:00:011
1921696994229,9cyclictest231ktimers/110:05:121
1921693994233,4cyclictest1949720-21cron08:30:000
1921705994133,4cyclictest0-21swapper/307:59:273
1921705994130,8cyclictest1946331-21sendmail08:20:003
1921701994135,4cyclictest1954624-21kworker/u8:2+events_unbound08:49:362
1921701994127,6cyclictest1923103-21kworker/u8:1+events_unbound07:14:182
1921701994122,5cyclictest131rcu_preempt12:10:112
1921701994122,5cyclictest131rcu_preempt12:10:102
1921696994133,4cyclictest1960368-21cron09:00:001
1921701994034,4cyclictest1967674-21kworker/u8:4+events_unbound09:36:412
1921701994031,7cyclictest1946545-21kworker/u8:0+events_unbound08:34:332
1921701994019,10cyclictest0-21swapper/210:40:172
1921705993930,6cyclictest0-21swapper/309:35:003
1921705993928,8cyclictest0-21swapper/309:10:013
1921701993931,5cyclictest1925644-21sh07:20:012
1921701993928,7cyclictest0-21swapper/212:40:002
1921705993831,4cyclictest0-21swapper/308:55:003
1921705993829,5cyclictest2024558-21munin-plugin-st12:05:003
1921701993824,4cyclictest131rcu_preempt11:40:422
1921701993824,10cyclictest311ktimers/210:45:122
1921701993818,9cyclictest131rcu_preempt11:15:162
1921696993826,7cyclictest0-21swapper/110:20:251
1921696993826,7cyclictest0-21swapper/110:20:241
1921693993830,3cyclictest0-21swapper/008:50:010
1921693993827,7cyclictest0-21swapper/011:05:240
1921693993827,7cyclictest0-21swapper/011:05:240
1921693993824,11cyclictest121ktimers/010:40:130
1921705993726,8cyclictest391ktimers/311:10:133
1921701993728,5cyclictest1939305-21sendmail08:00:002
1921701993721,5cyclictest131rcu_preempt10:15:252
1921701993720,4cyclictest131rcu_preempt09:13:002
1921696993726,7cyclictest0-21swapper/110:50:151
1921696993724,9cyclictest231ktimers/111:00:121
1921693993729,5cyclictest2008766-21munin-run11:20:000
1921693993725,6cyclictest0-21swapper/009:05:260
1921705993630,4cyclictest1967415-21latency_hist09:20:013
192170599361,31cyclictest2032884-21unixbench_singl12:25:253
1921701993615,6cyclictest131rcu_preempt10:25:262
1921701993615,3cyclictest0-21swapper/207:25:312
1921705993528,4cyclictest0-21swapper/309:00:003
1921705993527,4cyclictest0-21swapper/307:14:163
1921705993524,7cyclictest2028124-21grep12:15:013
1921705993524,7cyclictest2028124-21grep12:15:003
1921701993529,4cyclictest1967674-21kworker/u8:4+events_unbound09:44:442
1921701993528,4cyclictest1977661-21idleruntime-cro09:50:012
1921701993523,3cyclictest131rcu_preempt08:40:242
1921701993517,4cyclictest1939732-21kworker/u8:4-events_freezable_power_08:24:432
1921696993525,6cyclictest0-21swapper/111:40:271
1921696993524,7cyclictest0-21swapper/107:15:011
1921693993528,4cyclictest2015895-21kworker/u8:0+events_unbound11:45:060
1921693993526,5cyclictest0-21swapper/012:40:000
1921693993526,4cyclictest0-21swapper/010:50:000
1921693993525,6cyclictest0-21swapper/012:30:010
1921705993426,5cyclictest0-21swapper/312:00:003
1921705993424,7cyclictest1948416-21tune2fs08:25:143
1921701993427,5cyclictest2024186-21kworker/u8:3+events_unbound12:05:102
1921701993427,5cyclictest2024186-21kworker/u8:3+events_unbound12:05:102
1921701993422,8cyclictest0-21swapper/211:30:242
1921701993421,5cyclictest131rcu_preempt10:00:002
1921701993418,5cyclictest131rcu_preempt11:20:162
1921701993416,11cyclictest131rcu_preempt09:25:232
1921701993413,11cyclictest0-21swapper/208:08:562
1921696993427,5cyclictest1981051-21cron10:00:011
1921696993424,6cyclictest0-21swapper/109:50:001
1921696993422,4cyclictest0-21swapper/112:25:151
1921693993425,5cyclictest0-21swapper/010:10:250
1921693993423,7cyclictest0-21swapper/007:45:020
192170599332,5cyclictest131rcu_preempt07:15:113
192170199335,10cyclictest1939899-21fschecks_count08:00:162
1921701993323,3cyclictest131rcu_preempt10:20:192
1921701993323,3cyclictest131rcu_preempt10:20:192
1921701993321,4cyclictest131rcu_preempt09:20:242
1921701993317,5cyclictest1933894-21kworker/u8:3-events_freezable_power_07:52:492
1921701993313,5cyclictest131rcu_preempt09:15:212
1921701993313,12cyclictest131rcu_preempt08:10:222
1921701993312,12cyclictest131rcu_preempt11:05:012
1921701993311,12cyclictest32-21ksoftirqd/208:50:232
1921696993324,6cyclictest0-21swapper/108:15:171
1921696993322,7cyclictest231ktimers/111:05:121
1921696993322,7cyclictest231ktimers/111:05:111
1921696993318,10cyclictest231ktimers/109:10:121
1921693993326,3cyclictest0-21swapper/011:50:150
1921693993322,6cyclictest0-21swapper/007:35:260
1921705993225,4cyclictest0-21swapper/310:20:003
1921705993225,4cyclictest0-21swapper/309:50:253
192170199326,14cyclictest32-21ksoftirqd/210:10:002
1921701993225,5cyclictest2015895-21kworker/u8:0+events_unbound11:45:072
1921701993223,6cyclictest2001097-21grep10:55:252
1921701993220,7cyclictest0-21swapper/210:00:262
1921701993218,3cyclictest131rcu_preempt09:09:042
1921701993215,5cyclictest131rcu_preempt10:30:362
1921701993214,5cyclictest131rcu_preempt12:30:232
1921701993214,4cyclictest0-21swapper/210:14:112
1921701993214,3cyclictest0-21swapper/207:37:352
1921701993211,4cyclictest1923103-21kworker/u8:1-events_freezable_power_07:43:522
1921701993211,4cyclictest131rcu_preempt11:50:182
1921696993221,7cyclictest0-21swapper/112:30:261
1921693993225,3cyclictest0-21swapper/008:40:250
1921693993225,3cyclictest0-21swapper/007:10:250
1921693993224,4cyclictest1972113-21unixbench_singl09:30:250
1921693993220,7cyclictest0-21swapper/010:35:260
1921705993125,3cyclictest0-21swapper/309:40:013
1921705993124,4cyclictest2016011-21munin-plugin-st11:40:003
1921701993122,6cyclictest2031137-21grep12:20:252
1921701993118,5cyclictest131rcu_preempt11:05:072
1921701993118,5cyclictest131rcu_preempt11:05:062
1921701993118,5cyclictest131rcu_preempt09:00:242
1921701993115,5cyclictest131rcu_preempt12:00:132
1921701993115,4cyclictest131rcu_preempt11:10:242
1921701993114,5cyclictest131rcu_preempt10:50:242
1921701993114,3cyclictest131rcu_preempt08:19:572
1921701993112,12cyclictest131rcu_preempt11:55:242
1921701993110,12cyclictest131rcu_preempt12:15:062
1921696993122,6cyclictest0-21swapper/110:30:271
1921696993122,6cyclictest0-21swapper/109:45:001
1921696993120,8cyclictest2010830-21sed11:25:011
1921705993024,3cyclictest0-21swapper/311:15:263
1921705993023,3cyclictest0-21swapper/311:00:153
1921701993021,4cyclictest0-21swapper/211:40:002
1921701993012,4cyclictest131rcu_preempt08:25:232
1921696993021,7cyclictest231ktimers/109:00:111
1921696993021,5cyclictest0-21swapper/112:05:011
1921696993020,7cyclictest2031119-21grep12:20:261
1921696993020,7cyclictest1932458-21sh07:40:011
1921696993020,6cyclictest0-21swapper/110:00:261
1921696993020,6cyclictest0-21swapper/109:35:271
1921696993020,6cyclictest0-21swapper/108:50:011
1921693993023,3cyclictest0-21swapper/007:45:130
1921693993019,5cyclictest0-21swapper/010:00:000
1921705992921,4cyclictest0-21swapper/308:45:003
192170199299,12cyclictest32-21ksoftirqd/208:55:192
1921701992921,6cyclictest1923103-21kworker/u8:1+events_unbound07:21:432
1921701992916,5cyclictest131rcu_preempt10:40:002
1921696992921,4cyclictest0-21swapper/110:35:261
1921696992919,6cyclictest0-21swapper/109:20:271
1921693992921,5cyclictest2006652-21unixbench_singl11:10:270
1921693992921,4cyclictest0-21swapper/009:25:260
1921693992920,6cyclictest0-21swapper/010:25:170
1921693992919,6cyclictest0-21swapper/010:15:250
1921705992822,4cyclictest1980923-21kworker/u8:1+events_unbound10:09:513
1921705992817,8cyclictest1994153-21grep10:35:253
192170199287,12cyclictest32-21ksoftirqd/207:45:252
1921701992811,5cyclictest131rcu_preempt11:25:242
1921696992822,4cyclictest24-21ksoftirqd/112:15:121
1921696992822,4cyclictest24-21ksoftirqd/111:55:111
1921696992821,4cyclictest1963797-21cron09:10:001
1921696992821,3cyclictest0-21swapper/111:20:001
1921696992818,6cyclictest0-21swapper/107:50:001
1921693992822,3cyclictest0-21swapper/011:25:000
1921693992819,6cyclictest0-21swapper/008:35:010
1921693992819,6cyclictest0-21swapper/007:35:010
1921693992819,5cyclictest0-21swapper/011:35:270
1921693992819,5cyclictest0-21swapper/009:20:010
1921693992818,6cyclictest0-21swapper/010:30:270
1921693992818,6cyclictest0-21swapper/010:05:250
192169399281,25cyclictest0-21swapper/010:55:130
1921705992720,4cyclictest0-21swapper/312:05:263
1921705992720,4cyclictest0-21swapper/312:05:263
1921705992719,6cyclictest53-21kcompactd007:25:143
1921705992719,5cyclictest0-21swapper/312:20:163
1921705992716,8cyclictest204-21dbus-daemon09:04:373
192170599271,4cyclictest131rcu_preempt11:25:143
1921696992717,6cyclictest2019422-21sh11:50:001
1921696992717,6cyclictest0-21swapper/108:35:261
1921696992716,8cyclictest1941205-21auditctl08:05:021
1921696992716,8cyclictest0-21swapper/109:20:011
1921693992719,5cyclictest0-21swapper/009:55:000
1921693992718,6cyclictest2033065-21kworker/u8:2+events_unbound12:30:140
1921693992718,4cyclictest0-21swapper/007:15:130
1921693992717,7cyclictest121ktimers/008:00:060
192169399271,22cyclictest1957369-21sort08:50:160
1921705992619,4cyclictest1981072-21sendmail10:00:003
192170599261,13cyclictest0-21swapper/307:52:003
192170599261,11cyclictest0-21swapper/311:40:153
1921696992618,5cyclictest1927747-21grep07:25:161
1921693992619,4cyclictest1923103-21kworker/u8:1+events_unbound07:24:200
1921693992619,3cyclictest0-21swapper/009:15:000
1921705992520,3cyclictest0-21swapper/308:05:203
1921705992519,3cyclictest0-21swapper/312:30:273
1921705992519,3cyclictest0-21swapper/309:10:183
1921705992519,3cyclictest0-21swapper/307:20:233
1921705992518,4cyclictest0-21swapper/309:20:263
1921696992517,5cyclictest2006643-21unixbench_singl11:10:261
1921696992517,5cyclictest1929447-21fschecks_count07:30:171
1921696992517,4cyclictest0-21swapper/108:15:001
1921693992519,3cyclictest13850irq/36-mmc108:00:000
1921693992518,3cyclictest0-21swapper/008:40:010
1921693992517,4cyclictest0-21swapper/008:20:000
1921693992516,5cyclictest0-21swapper/011:40:280
192170599247,8cyclictest131rcu_preempt08:14:303
1921705992419,3cyclictest0-21swapper/309:25:143
1921705992418,4cyclictest1967674-21kworker/u8:4+events_unbound10:13:263
1921705992417,5cyclictest1992813-21kworker/u8:0+events_unbound10:49:513
1921705992415,6cyclictest2003086-21kworker/u8:4+events_unbound11:05:063
1921705992415,6cyclictest2003086-21kworker/u8:4+events_unbound11:05:063
1921705992415,6cyclictest0-21swapper/312:35:283
1921705992415,6cyclictest0-21swapper/309:45:263
1921705992414,6cyclictest0-21swapper/310:50:253
1921696992418,3cyclictest0-21swapper/112:40:001
1921696992418,3cyclictest0-21swapper/108:25:171
1921696992417,3cyclictest0-21swapper/107:15:141
1921696992415,6cyclictest0-21swapper/111:35:001
1921696992415,6cyclictest0-21swapper/110:45:251
1921696992413,7cyclictest0-21swapper/111:25:171
192169399244,14cyclictest13550irq/42-30be0000.ethernet09:40:140
1921693992416,5cyclictest0-21swapper/009:35:260
1921693992414,6cyclictest0-21swapper/011:35:000
192169399241,20cyclictest0-21swapper/009:22:110
192169399241,19cyclictest0-21swapper/012:18:010
192169399240,20cyclictest0-21swapper/010:01:540
1921705992317,4cyclictest645-21runrttasks07:45:203
1921705992317,4cyclictest2005062-21kworker/u8:0+events_unbound11:30:123
1921705992317,4cyclictest1980923-21kworker/u8:1+events_unbound10:21:123
1921705992317,4cyclictest1980923-21kworker/u8:1+events_unbound10:21:123
1921705992317,3cyclictest0-21swapper/310:30:223
1921705992317,3cyclictest0-21swapper/308:20:173
1921705992317,3cyclictest0-21swapper/307:30:253
192170599231,12cyclictest0-21swapper/307:41:013
1921696992317,3cyclictest0-21swapper/108:50:281
1921696992317,3cyclictest0-21swapper/108:05:241
1921696992315,5cyclictest0-21swapper/111:00:001
1921696992315,5cyclictest0-21swapper/109:25:221
1921696992315,5cyclictest0-21swapper/108:25:001
1921696992315,4cyclictest0-21swapper/112:14:591
1921696992315,4cyclictest0-21swapper/112:14:591
192169399236,14cyclictest0-21swapper/012:10:240
192169399236,14cyclictest0-21swapper/012:10:230
1921693992317,3cyclictest0-21swapper/012:05:200
1921693992317,3cyclictest0-21swapper/012:05:190
1921693992317,3cyclictest0-21swapper/012:00:170
1921693992315,5cyclictest0-21swapper/012:25:000
1921693992315,5cyclictest0-21swapper/011:25:260
1921693992312,8cyclictest1998712-21seq10:50:190
192169399231,18cyclictest0-21swapper/010:20:070
192169399231,18cyclictest0-21swapper/010:20:060
192169399231,18cyclictest0-21swapper/008:20:380
192169399231,18cyclictest0-21swapper/008:09:530
192169399231,18cyclictest0-21swapper/007:27:340
192170599226,7cyclictest131rcu_preempt10:00:253
1921705992216,3cyclictest0-21swapper/312:15:163
1921705992216,3cyclictest0-21swapper/308:00:243
1921705992216,3cyclictest0-21swapper/307:40:013
1921705992214,5cyclictest53-21kcompactd011:20:053
1921696992216,3cyclictest0-21swapper/109:50:181
1921696992215,3cyclictest0-21swapper/110:40:251
1921696992214,4cyclictest0-21swapper/107:50:251
1921696992213,5cyclictest0-21swapper/110:10:161
192169699221,13cyclictest0-21swapper/111:39:401
1921693992215,3cyclictest0-21swapper/011:01:020
1921693992214,5cyclictest0-21swapper/011:55:240
1921693992214,5cyclictest0-21swapper/007:50:250
1921693992211,7cyclictest0-21swapper/009:00:210
192170599219,3cyclictest131rcu_preempt09:40:173
192170599218,7cyclictest40-21ksoftirqd/311:50:023
1921705992115,4cyclictest1992813-21kworker/u8:0+events_unbound10:56:433
1921705992110,8cyclictest1989948-21df_inode10:25:163
1921696992115,4cyclictest1921686-21cyclictest12:05:181
1921696992115,4cyclictest1921686-21cyclictest12:05:171
1921696992115,3cyclictest0-21swapper/107:40:211
192169399210,19cyclictest0-21swapper/008:10:150
192170599203,3cyclictest131rcu_preempt10:40:173
1921705992010,7cyclictest204-21dbus-daemon08:34:323
192169699202,11cyclictest0-21swapper/107:20:101
1921696992014,3cyclictest645-21runrttasks10:15:211
1921696992012,5cyclictest0-21swapper/108:40:161
1921705991911,5cyclictest2020445-21cat11:50:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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