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2026-08-07 - 19:12

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 Fri Aug 07, 2026 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1999713995341,8cyclictest2044787-21grep09:15:262
1999713995341,8cyclictest2044787-21grep09:15:262
1999703994840,5cyclictest2072929-21grep10:40:000
1999713994737,6cyclictest2024343-21sendmail08:20:002
1999718994633,10cyclictest2017286-21grep08:00:003
1999718994633,10cyclictest2017286-21grep08:00:003
1999713994634,8cyclictest2074236-21grep10:40:272
1999713994532,9cyclictest311ktimers/207:55:152
1999713994532,9cyclictest311ktimers/207:55:152
1999713994530,12cyclictest311ktimers/212:00:102
1999713994436,5cyclictest2095200-21kworker/u8:2+events_unbound12:05:162
1999703994437,4cyclictest2045652-21fschecks_time09:20:160
1999703994437,4cyclictest2045652-21fschecks_time09:20:150
1999713994329,11cyclictest311ktimers/210:30:122
1999718994233,6cyclictest2022609-21sh08:15:013
1999713994236,4cyclictest2089850-21kworker/u8:0+events_unbound11:40:122
1999713994120,6cyclictest131rcu_preempt10:15:142
1999703994132,6cyclictest2100435-21sendmail12:00:000
1999713994030,6cyclictest2107259-21sendmail12:20:002
1999713994028,6cyclictest0-21swapper/208:34:292
1999703994033,4cyclictest2093608-21sendmail11:40:010
1999713993928,7cyclictest2008320-21grep07:30:272
1999718993827,7cyclictest2045223-21munin-plugin-st09:20:003
1999718993827,7cyclictest2045223-21munin-plugin-st09:20:003
1999709993830,4cyclictest2094845-21unixbench_multi11:40:251
1999718993729,4cyclictest0-21swapper/310:20:153
1999713993730,3cyclictest0-21swapper/209:09:592
1999713993729,5cyclictest1993906-21kworker/u8:0+events_unbound07:19:192
1999713993726,7cyclictest2030929-21grep08:35:272
1999713993725,9cyclictest311ktimers/208:05:172
1999709993729,4cyclictest0-21swapper/112:40:011
1999718993630,4cyclictest2052251-21munin-run09:40:013
1999718993627,6cyclictest0-21swapper/311:00:003
1999713993629,5cyclictest2031243-21kworker/u8:3+events_unbound08:49:342
1999709993628,4cyclictest0-21swapper/112:00:001
1999709993625,7cyclictest2075888-21grep10:45:241
1999703993629,4cyclictest2102139-21sh12:04:590
1999703993629,4cyclictest2010468-21cut07:40:000
1999718993528,4cyclictest2003661-21sendmail07:20:013
1999718993527,4cyclictest0-21swapper/311:35:013
1999718993526,5cyclictest0-21swapper/310:15:013
1999718993525,6cyclictest0-21swapper/312:00:253
1999713993528,4cyclictest2012179-21cron07:45:012
1999713993526,5cyclictest2026032-21cron08:25:012
1999713993525,6cyclictest2110216-21grep12:25:252
1999713993525,6cyclictest2110216-21grep12:25:252
1999713993524,7cyclictest2027315-21grep08:25:272
1999718993425,4cyclictest0-21swapper/311:55:003
1999718993421,9cyclictest2041801-21sh09:10:003
1999709993425,6cyclictest2020702-21idleruntime-cro08:10:001
1999709993425,5cyclictest2071232-21grep10:35:011
1999709993425,5cyclictest0-21swapper/112:10:141
1999709993425,4cyclictest0-21swapper/110:00:161
1999703993426,4cyclictest0-21swapper/011:35:000
1999718993325,5cyclictest0-21swapper/311:20:003
1999718993324,6cyclictest2094842-21unixbench_multi11:40:253
1999718993323,8cyclictest391ktimers/308:50:123
1999713993327,4cyclictest2008394-21kworker/u8:0+events_unbound07:50:402
1999713993326,4cyclictest0-21swapper/209:55:252
1999713993323,6cyclictest2018993-21sh08:05:002
1999713993323,5cyclictest0-21swapper/208:55:012
1999709993326,4cyclictest2062265-21unixbench_singl10:05:271
1999703993323,6cyclictest0-21swapper/010:55:000
1999718993225,4cyclictest0-21swapper/310:40:163
1999718993224,4cyclictest0-21swapper/310:25:253
1999718993224,4cyclictest0-21swapper/310:10:013
1999718993224,4cyclictest0-21swapper/307:35:013
1999718993220,8cyclictest2033071-21auditctl08:45:013
1999713993225,5cyclictest2031243-21kworker/u8:3+events_unbound08:44:332
1999713993224,4cyclictest0-21swapper/209:25:232
1999713993217,9cyclictest204-21dbus-daemon07:14:172
1999709993224,4cyclictest0-21swapper/107:55:171
1999709993224,4cyclictest0-21swapper/107:55:161
1999709993223,4cyclictest0-21swapper/109:14:371
1999709993222,6cyclictest0-21swapper/111:15:251
1999703993225,3cyclictest0-21swapper/011:00:000
1999703993222,6cyclictest2003170-21grep07:15:250
1999718993123,4cyclictest0-21swapper/308:35:003
1999718993123,4cyclictest0-21swapper/308:19:273
1999718993122,4cyclictest0-21swapper/311:05:263
1999718993122,4cyclictest0-21swapper/311:05:253
1999718993121,7cyclictest2025553-21grep08:20:253
1999713993121,5cyclictest0-21swapper/211:35:102
199971399311,26cyclictest2088271-21cron11:25:012
1999709993121,7cyclictest231ktimers/109:40:111
1999703993124,3cyclictest0-21swapper/008:55:230
1999703993123,4cyclictest0-21swapper/008:15:270
1999703993121,6cyclictest0-21swapper/012:35:250
1999703993120,7cyclictest2050328-21sh09:35:000
1999718993022,6cyclictest2026455-21fschecks_time08:25:173
1999718993021,5cyclictest0-21swapper/311:15:003
1999718993020,6cyclictest391ktimers/309:00:103
1999713993022,4cyclictest0-21swapper/209:30:232
1999709993022,4cyclictest0-21swapper/107:20:011
1999703993023,4cyclictest0-21swapper/007:30:270
1999703993022,4cyclictest2027749-21idleruntime-cro08:30:010
1999703993022,4cyclictest0-21swapper/010:00:000
1999703993015,4cyclictest131rcu_preempt08:30:020
199970399301,26cyclictest0-21swapper/011:50:120
199970399301,11cyclictest2111619-21cat12:30:200
1999718992922,4cyclictest2013882-21kthreadd07:50:013
1999718992921,4cyclictest0-21swapper/310:30:253
1999718992921,4cyclictest0-21swapper/309:30:233
1999718992916,9cyclictest2092126-21sshd11:35:093
1999713992922,5cyclictest2055488-21kworker/u8:2+events_unbound09:49:482
1999713992922,5cyclictest2055488-21kworker/u8:2+events_unbound09:49:482
1999713992921,4cyclictest0-21swapper/209:40:242
1999713992920,5cyclictest0-21swapper/209:54:592
1999713992919,6cyclictest0-21swapper/207:30:012
1999713992919,6cyclictest0-21swapper/207:20:252
1999713992918,7cyclictest0-21swapper/208:55:242
1999709992922,4cyclictest0-21swapper/109:50:201
1999709992921,4cyclictest0-21swapper/112:30:251
1999709992921,4cyclictest0-21swapper/112:25:171
1999709992921,4cyclictest0-21swapper/112:25:171
1999709992921,4cyclictest0-21swapper/110:40:171
1999709992921,4cyclictest0-21swapper/107:25:161
1999709992920,6cyclictest2050331-21cron09:35:001
1999718992821,4cyclictest0-21swapper/308:35:263
1999718992821,3cyclictest0-21swapper/310:50:153
1999718992820,4cyclictest0-21swapper/311:25:253
1999718992820,4cyclictest0-21swapper/309:55:263
1999718992818,7cyclictest2020912-21apt-key08:10:003
199971399282,3cyclictest131rcu_preempt10:45:122
1999713992821,3cyclictest0-21swapper/210:25:232
1999713992818,6cyclictest0-21swapper/209:20:252
1999713992818,6cyclictest0-21swapper/209:20:252
1999713992817,7cyclictest2010011-21tail07:35:272
1999709992820,4cyclictest0-21swapper/107:20:261
1999709992818,6cyclictest2035994-21grep08:50:241
1999709992818,6cyclictest0-21swapper/109:40:001
1999709992815,7cyclictest2023878-21grep08:15:271
1999703992821,4cyclictest2020698-21sh08:09:590
1999703992821,4cyclictest0-21swapper/010:10:240
1999703992820,6cyclictest2054187-21cut09:45:010
1999703992819,6cyclictest0-21swapper/007:55:270
1999703992819,6cyclictest0-21swapper/007:55:270
1999718992719,5cyclictest0-21swapper/312:30:183
1999718992719,5cyclictest0-21swapper/311:25:013
1999718992719,5cyclictest0-21swapper/309:50:003
1999718992719,5cyclictest0-21swapper/309:49:593
1999718992718,6cyclictest0-21swapper/307:45:003
1999718992718,5cyclictest0-21swapper/307:40:013
1999718992717,6cyclictest0-21swapper/312:00:003
1999713992719,5cyclictest0-21swapper/211:55:172
1999713992718,6cyclictest0-21swapper/212:20:192
1999709992719,4cyclictest0-21swapper/107:45:251
1999709992718,7cyclictest231ktimers/111:35:121
1999709992718,6cyclictest2017712-21fschecks_time08:00:151
1999709992716,7cyclictest2101692-21grep12:00:251
1999703992720,4cyclictest0-21swapper/007:40:240
1999703992719,4cyclictest0-21swapper/011:15:250
1999703992719,4cyclictest0-21swapper/008:10:260
1999703992718,6cyclictest2110914-21ls12:30:010
1999703992718,6cyclictest2110914-21ls12:30:000
1999703992717,6cyclictest0-21swapper/009:10:000
199970399271,5cyclictest2104066-21apt-get12:10:120
199970399271,2cyclictest0-21swapper/009:00:120
199970399271,23cyclictest2068582-21awk10:25:210
1999718992620,3cyclictest0-21swapper/307:25:193
1999718992619,4cyclictest2095768-21fschecks_time11:45:173
1999718992618,4cyclictest0-21swapper/312:20:173
1999713992618,4cyclictest0-21swapper/211:50:002
1999713992617,6cyclictest0-21swapper/211:35:012
1999713992613,4cyclictest2042032-21kworker/u8:2+events_unbound09:14:262
1999709992620,3cyclictest0-21swapper/109:00:011
1999709992619,3cyclictest0-21swapper/111:30:171
1999709992619,3cyclictest0-21swapper/109:15:141
1999709992619,3cyclictest0-21swapper/109:15:131
1999709992619,3cyclictest0-21swapper/108:30:011
1999709992618,4cyclictest0-21swapper/110:39:581
1999709992617,5cyclictest0-21swapper/111:00:001
1999703992619,4cyclictest0-21swapper/011:05:270
1999703992619,4cyclictest0-21swapper/011:05:260
1999703992619,4cyclictest0-21swapper/008:35:270
1999703992616,6cyclictest0-21swapper/008:20:250
1999703992610,13cyclictest2052491-21latency_hist09:40:010
199970399260,4cyclictest2012856-21meminfo07:45:190
1999718992518,4cyclictest2072928-21sendmail10:40:013
1999718992515,7cyclictest2104447-21wc12:10:173
1999718992514,8cyclictest2037218-21if_eth108:55:163
1999713992518,5cyclictest2076145-21kworker/u8:0+events_unbound10:51:592
1999713992518,5cyclictest2050093-21kworker/u8:0+events_unbound09:39:452
1999713992518,4cyclictest2086559-21sh11:20:002
1999713992517,5cyclictest2083148-21cron11:10:002
1999713992517,5cyclictest2083148-21cron11:10:002
1999713992515,7cyclictest2098264-21grep11:50:252
199971399250,8cyclictest0-21swapper/211:25:122
1999709992518,4cyclictest0-21swapper/111:55:011
1999709992513,8cyclictest2080150-21tune2fs11:00:151
1999709992512,10cyclictest2038741-21df09:00:141
1999703992521,2cyclictest0-21swapper/007:10:100
1999703992518,5cyclictest121ktimers/011:20:140
1999703992518,5cyclictest0-21swapper/011:50:010
1999703992513,4cyclictest131rcu_preempt11:28:150
199970399251,20cyclictest0-21swapper/011:44:390
1999718992416,5cyclictest2106496-21grep12:15:263
1999718992416,5cyclictest0-21swapper/312:09:593
1999718992416,4cyclictest0-21swapper/310:15:263
1999718992414,7cyclictest2004991-21seq07:20:443
1999713992415,5cyclictest2040097-21cron09:05:002
1999713992415,3cyclictest0-21swapper/210:20:172
1999709992418,3cyclictest0-21swapper/111:15:001
1999709992416,5cyclictest0-21swapper/110:50:151
1999709992415,4cyclictest0-21swapper/109:25:151
1999709992414,6cyclictest0-21swapper/111:25:251
1999703992417,4cyclictest2006631-21grep07:25:270
1999703992417,3cyclictest0-21swapper/012:10:000
199970399241,19cyclictest0-21swapper/010:16:130
199970399241,19cyclictest0-21swapper/010:01:430
199970399241,19cyclictest0-21swapper/009:28:210
199970399241,19cyclictest0-21swapper/009:11:550
199970399241,19cyclictest0-21swapper/008:00:070
199970399240,20cyclictest0-21swapper/010:07:330
199970399240,20cyclictest0-21swapper/009:16:360
199970399240,20cyclictest0-21swapper/009:16:360
1999718992318,2cyclictest0-21swapper/308:45:183
1999718992317,3cyclictest0-21swapper/311:00:253
1999718992314,4cyclictest0-21swapper/309:50:273
199971899231,10cyclictest20528242diskstats09:40:143
199971399232,15cyclictest2081039-21grep11:00:262
1999713992316,5cyclictest2064578-21latency_hist10:15:022
1999713992316,5cyclictest2013539-21kworker/u8:2+events_unbound07:46:092
1999713992316,3cyclictest0-21swapper/211:10:162
1999713992316,3cyclictest0-21swapper/208:10:142
1999713992315,5cyclictest0-21swapper/210:00:162
1999713992313,6cyclictest0-21swapper/210:55:212
1999709992317,3cyclictest0-21swapper/108:45:231
1999709992316,3cyclictest0-21swapper/107:50:151
1999709992315,4cyclictest21063802sleep112:15:261
1999709992315,4cyclictest0-21swapper/107:40:241
1999703992317,3cyclictest0-21swapper/010:20:200
1999703992316,3cyclictest0-21swapper/012:15:520
1999703992316,3cyclictest0-21swapper/010:46:380
1999703992316,3cyclictest0-21swapper/008:45:160
1999703992315,5cyclictest0-21swapper/008:55:020
1999703992314,6cyclictest0-21swapper/011:15:000
1999703992312,7cyclictest2055446-21grep09:45:260
1999703992312,7cyclictest2055446-21grep09:45:250
199970399231,18cyclictest0-21swapper/010:32:490
199970399230,19cyclictest0-21swapper/010:40:120
199970399230,19cyclictest0-21swapper/007:51:320
1999718992216,3cyclictest0-21swapper/307:15:003
1999718992215,4cyclictest0-21swapper/310:45:243
1999718992215,3cyclictest0-21swapper/312:30:003
1999718992215,3cyclictest0-21swapper/312:29:593
1999718992212,7cyclictest2045649-21fschecks_time09:20:163
1999718992212,7cyclictest2045649-21fschecks_time09:20:153
1999709992216,3cyclictest0-21swapper/108:40:211
1999709992215,4cyclictest2054956-21ntpq09:45:221
1999709992215,4cyclictest2054956-21ntpq09:45:221
1999709992215,4cyclictest0-21swapper/108:30:171
1999709992215,3cyclictest0-21swapper/107:35:001
1999709992214,5cyclictest0-21swapper/109:55:161
1999709992214,4cyclictest0-21swapper/109:25:001
1999709992214,4cyclictest0-21swapper/109:25:001
1999709992213,5cyclictest2010021-21grep07:35:271
1999709992212,6cyclictest2108044-21tr12:20:211
1999709992211,8cyclictest2029973-21awk08:35:151
1999703992217,3cyclictest13550irq/42-30be0000.ethernet08:40:140
199970399221,3cyclictest0-21swapper/011:00:130
1999703992212,8cyclictest2004815-21cat07:20:260
199970399220,18cyclictest0-21swapper/012:21:580
1999718992115,3cyclictest0-21swapper/308:00:173
1999718992114,3cyclictest0-21swapper/309:29:413
1999718992112,7cyclictest2043363-21seq09:13:253
1999713992115,3cyclictest0-21swapper/212:35:222
1999713992115,3cyclictest0-21swapper/210:35:182
1999713992114,3cyclictest0-21swapper/212:15:002
199970999212,15cyclictest1985271-21munin-node07:15:021
1999709992116,2cyclictest0-21swapper/110:25:011
1999709992115,3cyclictest0-21swapper/108:20:231
1999709992113,6cyclictest2021261-21diskstats08:10:151
1999709992111,6cyclictest2087762-21cat11:20:241
199970399210,18cyclictest0-21swapper/009:51:180
1999718992014,3cyclictest2112983-21fschecks_time12:35:153
1999718992014,3cyclictest0-21swapper/310:05:023
1999709992013,3cyclictest0-21swapper/111:45:241
1999709992013,3cyclictest0-21swapper/110:25:211
1999709992012,6cyclictest2065390-21expr10:15:261
199971899192,3cyclictest2014384-21/usr/sbin/munin07:50:163
199970999199,7cyclictest2102488-21df_inode12:05:151
1999709991911,4cyclictest0-21swapper/110:10:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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