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2026-08-27 - 18:32

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 Thu Aug 27, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
725228995647,5cyclictest772258-21latency_hist09:25:001
725228995039,8cyclictest797424-21grep10:35:261
725236994820,10cyclictest772831-21/usr/sbin/munin09:25:193
725231994841,4cyclictest759621-21unixbench_multi08:45:242
725231994840,5cyclictest832367-21munin-plugin-st12:20:002
725228994736,7cyclictest735522-21grep07:35:251
725236994532,9cyclictest753829-21/usr/sbin/munin08:30:173
725231994535,7cyclictest763491-21sh09:00:012
725225994537,5cyclictest725216-21cyclictest11:55:260
725225994537,4cyclictest777375-21idleruntime-cro09:39:590
725236994420,12cyclictest728023-21/usr/sbin/munin07:15:173
725228994436,4cyclictest0-21swapper/108:25:241
725228994436,4cyclictest0-21swapper/108:25:241
725231994334,5cyclictest0-21swapper/211:44:592
725236994231,7cyclictest803757-21/usr/sbin/munin10:55:223
725236994133,4cyclictest743066-21apt-get08:00:133
725236994126,10cyclictest826863-21/usr/sbin/munin12:00:253
725231994128,10cyclictest311ktimers/209:50:132
725228994131,6cyclictest754966-21cron08:35:001
725228994129,7cyclictest0-21swapper/112:35:241
725236994027,10cyclictest739639-21munin-node07:50:123
725236994026,9cyclictest793204-21/usr/sbin/munin10:25:173
725236994025,9cyclictest799778-21apt-get10:45:143
725236994023,4cyclictest762137-21df08:55:153
725236994017,17cyclictest796327-21latency_hist10:35:013
725228994033,4cyclictest0-21swapper/109:10:011
725236993932,3cyclictest748383-21apt-get08:15:133
725236993931,4cyclictest750101-21apt-get08:20:123
725236993928,7cyclictest759065-21/usr/sbin/munin08:45:193
725236993928,7cyclictest757298-21/usr/sbin/munin08:40:193
725236993926,8cyclictest810338-21/usr/sbin/munin11:15:163
725236993926,10cyclictest817484-21meminfo11:35:183
725236993926,10cyclictest776011-21/usr/sbin/munin09:35:133
725236993925,10cyclictest391ktimers/312:35:113
725236993924,11cyclictest831639-21/usr/sbin/munin12:15:233
725236993924,10cyclictest796355-21/usr/sbin/munin10:35:113
725236993924,10cyclictest769225-21/usr/sbin/munin09:15:163
725236993919,14cyclictest830180-21grep12:10:243
725236993916,8cyclictest778907-21chrt09:43:003
725236993916,8cyclictest778907-21chrt09:42:593
725231993929,8cyclictest311ktimers/209:00:132
725231993927,9cyclictest311ktimers/210:05:132
725228993928,7cyclictest808282-21grep11:10:011
725236993828,7cyclictest764866-21/usr/sbin/munin09:00:253
725236993828,7cyclictest736237-21/usr/sbin/munin07:40:113
725236993828,7cyclictest736237-21/usr/sbin/munin07:40:113
725236993827,7cyclictest774644-21/usr/sbin/munin09:30:203
725236993825,8cyclictest823138-21/usr/sbin/munin11:50:243
725236993825,10cyclictest809128-21/usr/sbin/munin11:10:223
725236993823,10cyclictest744974-21apt-get08:05:123
725236993822,11cyclictest813869-21/usr/sbin/munin11:25:153
725236993822,11cyclictest0-21swapper/312:25:093
725236993819,14cyclictest792923-21latency_hist10:25:023
725231993828,7cyclictest0-21swapper/211:40:002
725228993828,7cyclictest764941-21grep09:00:251
725225993828,6cyclictest0-21swapper/007:55:000
725225993827,8cyclictest121ktimers/011:35:130
725236993730,4cyclictest787836-21apt-get10:10:133
725236993730,4cyclictest772260-21cron09:25:013
725236993728,5cyclictest734520-21apt-get07:35:123
725236993727,8cyclictest818953-21apt-get11:40:063
725236993727,7cyclictest738723-21/usr/sbin/munin07:45:243
725236993726,7cyclictest782712-21apt-get09:55:133
725236993725,7cyclictest801603-21/usr/sbin/munin10:50:163
725236993725,7cyclictest784880-21meminfo10:00:183
725236993724,9cyclictest597-21sshd07:30:123
725236993724,10cyclictest836544-21/usr/sbin/munin12:30:203
725236993724,10cyclictest725845-21memory07:10:193
725236993722,11cyclictest812484-21/usr/sbin/munin11:20:223
725236993722,11cyclictest746912-21/usr/sbin/munin08:10:133
725236993721,12cyclictest751964-21/usr/sbin/munin08:25:163
725236993721,12cyclictest751964-21/usr/sbin/munin08:25:163
725231993726,8cyclictest311ktimers/210:35:132
725236993630,3cyclictest767367-21apt-get09:10:133
725236993628,4cyclictest760323-21apt-get08:50:133
725236993627,6cyclictest765792-21/usr/sbin/munin09:05:153
725236993626,7cyclictest807121-21/usr/sbin/munin11:05:223
725236993626,7cyclictest805296-21/usr/sbin/munin11:00:183
725236993626,7cyclictest805296-21/usr/sbin/munin11:00:173
725236993625,8cyclictest798199-21/usr/sbin/munin10:40:123
725236993625,7cyclictest741890-21/usr/sbin/munin07:55:223
725236993624,9cyclictest787512-21cron10:09:003
725228993629,4cyclictest737701-21cron07:45:011
725228993629,4cyclictest737701-21cron07:45:001
725225993627,6cyclictest0-21swapper/010:50:260
725236993529,3cyclictest820670-21apt-get11:45:133
725236993525,7cyclictest815445-21/usr/sbin/munin11:30:133
725236993525,7cyclictest731121-21munin-node07:25:123
725236993523,9cyclictest790290-21/usr/sbin/munin10:15:243
725236993523,8cyclictest824070-21apt-get11:55:143
725236993523,10cyclictest833906-21cron12:23:013
725236993521,11cyclictest828487-21tail12:05:253
725236993521,11cyclictest828487-21tail12:05:243
725236993513,8cyclictest645-21runrttasks08:36:473
725231993526,6cyclictest0-21swapper/208:35:002
725231993525,7cyclictest0-21swapper/208:00:002
725231993525,6cyclictest0-21swapper/207:30:242
725228993527,5cyclictest763495-21apt-get09:00:001
725228993524,8cyclictest789295-21sh10:15:011
725225993524,7cyclictest0-21swapper/008:15:000
725225993524,6cyclictest0-21swapper/010:00:240
725236993423,8cyclictest730565-21sshd07:21:113
725236993418,12cyclictest779529-21fschecks_time09:45:173
725231993426,4cyclictest0-21swapper/210:50:162
725231993425,7cyclictest311ktimers/208:15:142
725231993425,5cyclictest1-21systemd07:10:182
725228993426,4cyclictest0-21swapper/109:55:151
725228993426,4cyclictest0-21swapper/108:45:251
725228993421,9cyclictest231ktimers/110:05:141
725225993424,6cyclictest0-21swapper/007:20:000
725225993422,7cyclictest0-21swapper/009:30:250
725228993325,4cyclictest0-21swapper/112:35:011
725228993324,6cyclictest0-21swapper/111:55:151
725225993325,5cyclictest0-21swapper/011:15:010
725225993324,5cyclictest790564-21grep10:15:250
725225993322,7cyclictest0-21swapper/009:40:160
725225993322,7cyclictest0-21swapper/009:40:160
725231993224,4cyclictest0-21swapper/210:15:242
725231993224,4cyclictest0-21swapper/208:50:162
725231993223,6cyclictest800770-21grep10:45:242
725228993225,4cyclictest0-21swapper/109:45:171
725228993224,5cyclictest816812-21munin-plugin-st11:35:001
725228993222,7cyclictest0-21swapper/111:35:161
725228993221,7cyclictest0-21swapper/108:10:231
72522899321,28cyclictest782487-21idleruntime-cro09:54:591
725225993223,6cyclictest0-21swapper/007:25:010
725225993222,6cyclictest0-21swapper/008:30:240
725231993125,4cyclictest730673-21kworker/u8:1+events_unbound07:25:222
725231993125,3cyclictest0-21swapper/212:05:112
725231993125,3cyclictest0-21swapper/212:05:102
725231993124,4cyclictest0-21swapper/212:25:242
725231993124,4cyclictest0-21swapper/209:15:152
725231993122,6cyclictest0-21swapper/209:40:002
725228993124,4cyclictest0-21swapper/111:25:261
725228993121,7cyclictest809511-21grep11:10:251
725225993121,6cyclictest0-21swapper/011:45:160
725225993121,6cyclictest0-21swapper/011:05:300
725225993121,6cyclictest0-21swapper/009:00:240
725225993121,6cyclictest0-21swapper/008:30:000
725225993121,6cyclictest0-21swapper/008:30:000
725231993023,5cyclictest775617-21kworker/u8:1+events_unbound09:40:482
725231993023,5cyclictest775617-21kworker/u8:1+events_unbound09:40:472
725231993022,5cyclictest0-21swapper/207:25:012
725228993021,6cyclictest755389-21cut08:35:151
725225993021,4cyclictest0-21swapper/009:15:430
725225993020,6cyclictest0-21swapper/009:25:270
725225993020,6cyclictest0-21swapper/008:45:260
725225993020,6cyclictest0-21swapper/008:40:260
72522599300,3cyclictest0-21swapper/008:00:120
725231992922,3cyclictest0-21swapper/211:45:252
725231992921,6cyclictest824228-21fschecks_count11:55:172
725231992921,5cyclictest834079-21auditctl12:25:012
725231992921,4cyclictest0-21swapper/207:45:262
725231992919,7cyclictest792261-21grep10:20:262
725228992921,4cyclictest0-21swapper/108:15:241
725225992920,6cyclictest0-21swapper/010:45:170
725225992919,6cyclictest0-21swapper/009:55:150
725231992822,3cyclictest0-21swapper/210:40:202
725231992820,4cyclictest0-21swapper/207:45:012
725231992820,4cyclictest0-21swapper/207:45:012
725231992818,7cyclictest810368-21fschecks_count11:15:162
725228992821,4cyclictest0-21swapper/110:15:161
725228992820,5cyclictest0-21swapper/107:25:011
725228992820,4cyclictest0-21swapper/110:40:131
725228992820,4cyclictest0-21swapper/107:50:251
725228992819,6cyclictest0-21swapper/112:25:241
725228992819,6cyclictest0-21swapper/111:05:001
725228992819,6cyclictest0-21swapper/111:05:001
725228992819,5cyclictest0-21swapper/107:15:171
725228992817,7cyclictest0-21swapper/111:45:001
725225992821,4cyclictest818409-21kworker/u8:0+events_unbound12:01:060
725225992820,4cyclictest0-21swapper/012:20:250
725225992820,4cyclictest0-21swapper/008:50:250
725225992820,4cyclictest0-21swapper/007:45:250
725225992819,6cyclictest793997-21grep10:25:260
725225992819,6cyclictest768827-21sh09:15:010
725225992819,6cyclictest756261-21grep08:35:240
725225992818,6cyclictest0-21swapper/008:20:260
725225992817,8cyclictest822597-21tune2fs11:50:160
725225992811,14cyclictest0-21swapper/008:20:010
725231992719,5cyclictest0-21swapper/209:55:252
725231992718,6cyclictest837476-21sh12:35:012
725231992718,6cyclictest747283-21/usr/sbin/munin08:10:202
725231992718,5cyclictest808275-21latency_hist11:10:002
725231992717,6cyclictest795697-21grep10:30:342
725228992719,5cyclictest0-21swapper/110:20:251
725228992718,6cyclictest826831-21grep12:00:251
725228992717,6cyclictest0-21swapper/110:59:591
725228992717,6cyclictest0-21swapper/110:30:341
725228992716,7cyclictest774879-21fgrep09:30:241
725228992716,7cyclictest0-21swapper/111:20:251
725225992720,5cyclictest788928-21kworker/u8:1+events_unbound10:30:540
725225992720,4cyclictest742819-21munin-run08:00:010
725225992718,6cyclictest780310-21grep09:45:260
72522599271,23cyclictest732856-21cpu07:30:130
725225992711,4cyclictest121ktimers/007:40:200
725225992711,4cyclictest121ktimers/007:40:190
725231992618,4cyclictest0-21swapper/212:35:232
725231992617,6cyclictest735525-21unixbench_multi07:35:262
725231992614,9cyclictest779885-21seq09:45:212
725228992619,4cyclictest0-21swapper/109:45:011
725228992619,4cyclictest0-21swapper/109:45:011
725228992617,6cyclictest0-21swapper/109:15:011
725228992612,10cyclictest204-21dbus-daemon12:16:071
725225992619,3cyclictest0-21swapper/009:00:010
725225992617,6cyclictest0-21swapper/011:45:000
725225992617,5cyclictest0-21swapper/012:35:010
725225992616,6cyclictest0-21swapper/007:25:270
725225992614,4cyclictest131rcu_preempt12:16:120
72523199256,4cyclictest131rcu_preempt11:00:242
72523199256,4cyclictest131rcu_preempt11:00:242
725231992516,6cyclictest0-21swapper/208:10:012
725231992515,7cyclictest813359-21seq11:24:382
725228992519,4cyclictest739170-21kworker/u8:2+events_unbound08:00:181
725228992519,3cyclictest0-21swapper/107:50:011
725228992518,4cyclictest770067-21unixbench_multi09:15:251
725228992516,5cyclictest0-21swapper/107:25:171
725228992515,6cyclictest0-21swapper/109:25:251
725225992519,3cyclictest0-21swapper/010:10:010
725225992517,5cyclictest0-21swapper/011:04:590
725225992517,5cyclictest0-21swapper/011:04:590
725225992517,4cyclictest0-21swapper/011:15:260
72523199246,7cyclictest32-21ksoftirqd/208:20:102
725231992418,3cyclictest0-21swapper/212:00:132
725231992418,3cyclictest0-21swapper/209:10:262
725231992417,4cyclictest0-21swapper/211:50:162
725231992416,6cyclictest771431-21kworker/u8:0+events_unbound09:25:462
725231992415,7cyclictest729065-21seq07:18:552
725231992414,7cyclictest755440-21fw_packets08:35:152
725231992412,8cyclictest311ktimers/211:10:112
725231992410,11cyclictest311ktimers/210:25:132
725228992417,5cyclictest827182-21kworker/u8:2+events_unbound12:07:341
725228992417,5cyclictest827182-21kworker/u8:2+events_unbound12:07:341
725228992417,4cyclictest0-21swapper/108:20:261
725228992416,4cyclictest801242-21auditctl10:50:001
725228992415,6cyclictest822892-21grep11:50:191
725228992415,6cyclictest0-21swapper/107:30:201
725228992414,7cyclictest742808-21sh08:00:011
725228992413,7cyclictest231ktimers/108:50:121
725225992417,4cyclictest13550irq/42-30be0000.ethernet07:15:020
725225992417,4cyclictest0-21swapper/010:40:140
725225992417,3cyclictest0-21swapper/012:08:370
725225992417,3cyclictest0-21swapper/012:08:370
725225992417,3cyclictest0-21swapper/010:36:260
725225992416,5cyclictest0-21swapper/012:30:000
72522599241,3cyclictest765659-21apt-get09:05:110
72522599241,19cyclictest0-21swapper/012:10:420
72522599241,19cyclictest0-21swapper/010:13:360
725231992317,3cyclictest0-21swapper/212:10:222
725231992317,3cyclictest0-21swapper/209:30:172
725231992317,3cyclictest0-21swapper/208:40:202
725231992316,4cyclictest0-21swapper/211:25:162
725231992316,4cyclictest0-21swapper/208:25:162
725231992316,4cyclictest0-21swapper/208:25:162
725231992315,4cyclictest0-21swapper/207:50:252
725231992314,6cyclictest784593-21grep10:00:162
725228992317,3cyclictest0-21swapper/107:10:211
725228992315,5cyclictest0-21swapper/111:15:151
725225992316,4cyclictest758039-1kworker/0:0H+mmc_complete11:00:000
725225992315,5cyclictest0-21swapper/012:35:150
72522599231,18cyclictest0-21swapper/011:34:030
725231992214,4cyclictest0-21swapper/208:00:182
725228992213,6cyclictest745035-21sort08:05:131
725225992213,7cyclictest121ktimers/008:05:110
725225992213,6cyclictest814446-21sort11:25:240
725225992213,6cyclictest0-21swapper/009:21:270
72522599220,18cyclictest0-21swapper/010:21:200
72522599220,18cyclictest0-21swapper/009:52:050
725231992115,3cyclictest0-21swapper/210:10:192
725231992115,3cyclictest0-21swapper/209:05:152
725228992115,3cyclictest0-21swapper/109:35:141
725228992114,5cyclictest231ktimers/112:10:181
725228992114,3cyclictest0-21swapper/112:20:221
725228992112,6cyclictest793530-21ntp_states10:25:211
725228992112,6cyclictest0-21swapper/111:45:161
725231992010,7cyclictest816056-21which11:30:242
72522899201,16cyclictest756926-21sshd08:40:121
725225992014,3cyclictest0-21swapper/011:20:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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