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2026-07-05 - 07:56

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 376 highest latencies:
System rackbslot5s.osadl.org (updated Sun Jul 05, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
885412995034,10cyclictest888903-21grep19:15:260
885420994636,7cyclictest965054-21sendmail23:00:002
885420994636,7cyclictest965054-21sendmail22:59:592
885420994436,5cyclictest208-21systemd-logind21:37:292
885415994331,8cyclictest958019-21sendmail22:40:001
885412994334,6cyclictest13550irq/42-30be0000.ethernet23:25:130
885415994230,9cyclictest231ktimers/122:40:121
885412994231,7cyclictest0-21swapper/020:40:010
885420994133,5cyclictest903595-21fschecks_count20:00:162
885412994126,7cyclictest0-21swapper/021:00:010
885412994126,7cyclictest0-21swapper/021:00:010
885424994033,4cyclictest896374-21sh19:40:013
885420994032,4cyclictest0-21swapper/219:50:012
885415994028,8cyclictest916391-21grep20:35:231
885412994029,8cyclictest121ktimers/000:30:130
885424993929,6cyclictest0-21swapper/322:05:243
885424993929,5cyclictest0-21swapper/322:30:183
885420993929,6cyclictest981633-21grep23:45:252
885412993926,8cyclictest0-21swapper/022:10:250
885412993926,8cyclictest0-21swapper/022:10:250
885424993829,6cyclictest921548-21unixbench_singl20:50:263
885424993827,6cyclictest0-21swapper/322:45:413
885420993831,4cyclictest889364-21idleruntime-cro19:20:012
885420993831,4cyclictest0-21swapper/220:40:012
885415993827,8cyclictest891181-21apt-config19:25:011
885412993829,4cyclictest0-21swapper/019:40:010
885424993728,6cyclictest0-21swapper/323:45:003
885420993731,4cyclictest892982-21idleruntime-cro19:30:002
885420993730,3cyclictest0-21swapper/221:05:322
885420993727,6cyclictest0-21swapper/222:20:002
885412993728,5cyclictest961000-21unixbench_singl22:45:400
885412993728,5cyclictest0-21swapper/019:45:250
885412993725,7cyclictest0-21swapper/019:40:270
885424993628,4cyclictest0-21swapper/323:07:473
885424993628,4cyclictest0-21swapper/322:00:163
885420993629,4cyclictest966295-21unixbench_multi23:00:272
885420993628,4cyclictest0-21swapper/200:15:252
885420993625,6cyclictest0-21swapper/223:10:232
88541299366,5cyclictest131rcu_preempt22:35:120
88541299365,4cyclictest131rcu_preempt23:45:120
885412993628,4cyclictest0-21swapper/022:04:590
885412993627,5cyclictest0-21swapper/000:15:260
885412993626,8cyclictest121ktimers/023:20:110
885412993625,7cyclictest0-21swapper/020:00:280
885412993622,9cyclictest889779-21grep19:20:150
885424993526,5cyclictest0-21swapper/320:25:263
885424993526,5cyclictest0-21swapper/319:30:003
885424993526,4cyclictest0-21swapper/322:10:163
885424993526,4cyclictest0-21swapper/322:10:163
885415993529,4cyclictest927101-21munin-plugin-st21:10:001
885415993524,7cyclictest980387-21cron23:45:011
885412993525,6cyclictest0-21swapper/021:00:250
885412993519,11cyclictest204-21dbus-daemon21:07:210
885424993425,6cyclictest889338-21cron19:20:013
885424993425,6cyclictest0-21swapper/321:15:003
885424993424,7cyclictest976548-21unixbench_singl23:30:263
885420993426,4cyclictest0-21swapper/219:55:252
885412993420,10cyclictest121ktimers/023:00:130
885424993324,5cyclictest0-21swapper/300:00:003
885424993323,6cyclictest0-21swapper/321:45:263
885424993323,6cyclictest0-21swapper/319:50:003
885424993323,6cyclictest0-21swapper/319:20:253
885420993325,4cyclictest0-21swapper/223:17:472
885420993325,4cyclictest0-21swapper/222:05:002
885420993324,6cyclictest917313-21fschecks_time20:40:152
885420993322,7cyclictest164-21systemd-journal22:27:402
885415993325,4cyclictest0-21swapper/123:25:251
885415993325,4cyclictest0-21swapper/123:20:151
885415993325,4cyclictest0-21swapper/119:45:251
88541299333,6cyclictest131rcu_preempt20:50:130
88541299332,5cyclictest131rcu_preempt22:20:100
885412993320,8cyclictest998870-21grep00:35:260
885412993317,11cyclictest13550irq/42-30be0000.ethernet23:15:130
885424993225,4cyclictest0-21swapper/323:25:263
885424993225,4cyclictest0-21swapper/300:05:163
885424993224,4cyclictest0-21swapper/323:15:263
885424993223,5cyclictest978678-21audit_send_reply23:40:003
885424993222,6cyclictest0-21swapper/322:54:593
885424993222,6cyclictest0-21swapper/322:54:593
885420993226,3cyclictest0-21swapper/200:05:002
885420993225,4cyclictest0-21swapper/222:40:262
885420993225,3cyclictest0-21swapper/220:10:012
885420993223,6cyclictest0-21swapper/221:19:592
885420993221,7cyclictest983311-21grep23:50:252
885420993220,8cyclictest1-21systemd19:21:582
885415993221,6cyclictest909540-21grep20:15:251
885412993222,7cyclictest968881-21tune2fs23:10:120
88541299322,25cyclictest988453-21grep00:05:260
885412993221,5cyclictest0-21swapper/019:50:170
885424993125,3cyclictest920274-21kthreadd20:50:003
885424993123,4cyclictest0-21swapper/323:20:253
885424993122,6cyclictest0-21swapper/321:15:273
885424993121,6cyclictest0-21swapper/320:05:263
885420993120,6cyclictest0-21swapper/223:45:012
885415993123,4cyclictest0-21swapper/119:10:141
885412993122,5cyclictest944370-21sendmail22:00:000
885412993122,4cyclictest0-21swapper/019:30:180
885412993120,7cyclictest0-21swapper/021:30:010
885412993120,7cyclictest0-21swapper/020:10:010
885424993022,5cyclictest0-21swapper/321:25:013
885424993022,4cyclictest0-21swapper/321:00:003
885424993022,4cyclictest0-21swapper/321:00:003
885424993021,6cyclictest0-21swapper/321:09:593
885424993021,6cyclictest0-21swapper/320:15:243
885420993022,4cyclictest0-21swapper/200:25:162
885420993021,6cyclictest0-21swapper/222:00:002
885420993019,6cyclictest0-21swapper/222:10:002
885415993022,4cyclictest0-21swapper/122:45:151
885415993021,4cyclictest0-21swapper/100:20:011
88541299302,4cyclictest131rcu_preempt22:55:130
88541299302,4cyclictest131rcu_preempt22:55:130
885412993022,4cyclictest13550irq/42-30be0000.ethernet00:25:250
885412993022,4cyclictest0-21swapper/023:35:280
885412993018,7cyclictest0-21swapper/021:45:250
885412993017,5cyclictest923429-21kworker/u8:1+events_unbound21:34:190
88541299301,5cyclictest908693-21fschecks_count20:15:140
885412993015,10cyclictest121ktimers/023:40:120
885424992922,4cyclictest0-21swapper/322:35:163
885424992921,5cyclictest0-21swapper/322:25:003
885420992922,3cyclictest0-21swapper/222:45:162
885415992921,5cyclictest896372-21cron19:40:001
885415992921,4cyclictest0-21swapper/122:00:161
885412992922,5cyclictest923429-21kworker/u8:1+events_unbound21:52:350
885412992918,6cyclictest0-21swapper/019:25:250
885424992821,4cyclictest0-21swapper/321:35:253
885424992820,5cyclictest951202-21idleruntime-cro22:20:003
885424992820,5cyclictest0-21swapper/320:00:013
885424992820,4cyclictest0-21swapper/322:25:233
885424992818,7cyclictest0-21swapper/321:30:023
885424992818,6cyclictest0-21swapper/321:55:263
885420992821,4cyclictest910035-21cron20:20:012
885420992821,3cyclictest0-21swapper/220:25:252
885420992820,5cyclictest0-21swapper/219:10:152
885420992817,7cyclictest935394-21grep21:30:252
885415992820,4cyclictest0-21swapper/120:00:171
885415992820,4cyclictest0-21swapper/119:40:151
885415992817,6cyclictest989113-21apt-key00:10:011
885415992816,9cyclictest231ktimers/122:15:121
885412992819,6cyclictest987358-21cat00:05:000
885412992819,6cyclictest937541-21munin-plugin-st21:40:010
885412992818,7cyclictest886595-21grep19:10:250
885412992817,7cyclictest0-21swapper/021:45:010
885424992719,5cyclictest0-21swapper/319:10:253
885424992719,5cyclictest0-21swapper/300:00:293
88542499271,15cyclictest0-21swapper/323:45:123
885424992711,12cyclictest894203-21grep19:30:273
885420992720,4cyclictest894202-21unixbench_multi19:30:262
885420992720,3cyclictest0-21swapper/221:50:242
885420992720,3cyclictest0-21swapper/221:30:022
885420992719,4cyclictest957991-21cron22:40:012
885420992719,4cyclictest0-21swapper/220:10:202
885420992718,5cyclictest973584-21munin-plugin-st23:25:002
885420992718,5cyclictest927495-21fschecks_count21:10:162
885420992717,6cyclictest997192-21grep00:30:282
885420992717,6cyclictest0-21swapper/219:45:012
885415992719,4cyclictest0-21swapper/122:55:271
885415992719,4cyclictest0-21swapper/122:55:261
885415992714,9cyclictest1-21systemd21:42:301
885412992717,7cyclictest0-21swapper/022:25:240
885412992716,8cyclictest967609-21proc_pri23:05:260
885424992619,5cyclictest0-21swapper/320:35:253
885424992618,4cyclictest0-21swapper/300:30:163
885420992616,6cyclictest911328-21grep20:20:262
885415992620,3cyclictest0-21swapper/123:35:001
885415992618,5cyclictest981635-21unixbench_multi23:45:261
885415992618,4cyclictest0-21swapper/100:25:231
885415992617,6cyclictest0-21swapper/120:25:231
885415992616,6cyclictest0-21swapper/122:27:401
885412992618,5cyclictest13550irq/42-30be0000.ethernet21:10:280
885412992618,4cyclictest0-21swapper/000:20:150
885412992617,6cyclictest0-21swapper/020:25:260
88541299261,5cyclictest961418-21apt-get22:50:040
88541299261,5cyclictest961418-21apt-get22:50:030
885424992519,3cyclictest0-21swapper/319:40:243
885424992518,4cyclictest0-21swapper/300:15:263
885424992517,5cyclictest0-21swapper/323:50:253
885424992517,5cyclictest0-21swapper/323:10:223
885424992517,5cyclictest0-21swapper/320:40:243
885420992519,4cyclictest890723-21kworker/u8:1+events_unbound19:37:022
885420992519,3cyclictest921039-21ntpq20:50:202
885420992518,4cyclictest956300-21cron22:35:002
885420992518,3cyclictest0-21swapper/220:55:222
885420992518,3cyclictest0-21swapper/220:55:222
885420992516,6cyclictest962892-21unixbench_singl22:50:252
885420992516,6cyclictest962892-21unixbench_singl22:50:252
885420992516,5cyclictest0-21swapper/200:10:252
88541599255,12cyclictest131rcu_preempt20:47:161
885415992519,3cyclictest0-21swapper/100:25:001
885415992517,5cyclictest0-21swapper/121:15:271
885415992516,6cyclictest231ktimers/121:48:041
885415992515,6cyclictest0-21swapper/121:05:001
885415992514,8cyclictest989464-21df00:10:151
885415992514,7cyclictest0-21swapper/123:50:241
885415992512,3cyclictest8881052cut19:15:171
88541299252,16cyclictest908319-21cron20:15:000
885412992519,4cyclictest920478-21latency_hist20:50:010
885412992518,4cyclictest0-21swapper/023:50:190
885412992516,6cyclictest902802-21sed19:55:270
885412992516,5cyclictest0-21swapper/023:30:260
885412992514,6cyclictest9846342sleep023:55:230
88541299251,22cyclictest0-21swapper/022:16:100
885424992419,3cyclictest901093-21unixbench_singl19:50:253
885424992418,3cyclictest0-21swapper/321:50:163
885424992416,6cyclictest145-21jbd2/mmcblk1p2-820:00:173
885424992414,7cyclictest959238-21grep22:40:253
88542499241,20cyclictest998924-21grep00:35:263
88542499241,16cyclictest0-21swapper/322:55:133
88542499241,16cyclictest0-21swapper/322:55:133
885420992418,3cyclictest0-21swapper/220:35:012
885415992418,3cyclictest933928-21munin-plugin-st21:30:011
885415992418,3cyclictest0-21swapper/119:50:151
885415992418,3cyclictest0-21swapper/100:35:221
885415992416,5cyclictest997306-21kworker/u8:2+events_unbound00:33:091
88541299243,15cyclictest914694-21tail20:30:270
885412992416,5cyclictest13550irq/42-30be0000.ethernet20:40:240
885412992414,7cyclictest959167-21sort22:40:250
885412992412,8cyclictest0-21swapper/022:30:270
885412992412,6cyclictest930017-21grep21:15:270
885424992317,3cyclictest0-21swapper/323:00:253
885420992317,3cyclictest0-21swapper/223:55:152
885420992317,3cyclictest0-21swapper/221:00:212
885420992315,4cyclictest0-21swapper/222:20:152
885420992314,6cyclictest311ktimers/221:45:122
885420992313,6cyclictest0-21swapper/222:10:252
885420992313,6cyclictest0-21swapper/222:10:242
885420992312,8cyclictest976139-21cut23:30:232
88542099231,14cyclictest0-21swapper/223:06:092
88541599235,7cyclictest131rcu_preempt20:44:591
885415992317,3cyclictest0-21swapper/119:30:181
885415992316,4cyclictest0-21swapper/123:00:191
885415992316,4cyclictest0-21swapper/120:20:201
885415992315,5cyclictest231ktimers/120:35:001
885415992314,6cyclictest969747-21unixbench_singl23:10:231
88541299232,5cyclictest947319-21tail22:05:250
88541299231,3cyclictest930753-21apt-get21:20:120
885424992216,4cyclictest391ktimers/321:00:213
885424992216,3cyclictest0-21swapper/321:40:203
885424992215,4cyclictest0-21swapper/320:30:183
885424992214,5cyclictest0-21swapper/300:25:253
885420992214,5cyclictest311ktimers/221:44:422
885420992213,6cyclictest311ktimers/223:35:152
88541599225,14cyclictest955867-21grep22:30:271
88541599224,7cyclictest131rcu_preempt19:55:231
885415992217,3cyclictest934517-21fschecks_count21:30:161
885415992216,4cyclictest970673-21if_eth023:15:171
885415992216,3cyclictest0-21swapper/122:05:251
885415992216,3cyclictest0-21swapper/119:25:061
885415992215,4cyclictest0-21swapper/121:55:201
885415992215,4cyclictest0-21swapper/121:50:141
885415992215,4cyclictest0-21swapper/121:20:241
885415992214,5cyclictest231ktimers/123:35:131
885415992212,7cyclictest968019-21grep23:05:301
885415992211,8cyclictest922654-21memory20:55:211
885415992211,8cyclictest922654-21memory20:55:211
885420992115,3cyclictest0-21swapper/219:50:262
885420992111,6cyclictest0-21swapper/200:10:012
88541599215,3cyclictest131rcu_preempt22:54:031
88541599215,3cyclictest131rcu_preempt22:54:031
885415992115,3cyclictest905954-21switchtime20:05:241
885415992114,4cyclictest0-21swapper/120:10:171
885412992115,4cyclictest0-21swapper/020:20:220
885420992012,5cyclictest0-21swapper/200:20:232
885420992010,7cyclictest974194-21sed23:25:182
88541599208,8cyclictest986562-21seq00:00:281
88541599207,3cyclictest131rcu_preempt22:24:061
88541599205,5cyclictest131rcu_preempt22:10:041
88541599205,5cyclictest131rcu_preempt22:10:031
885415992011,5cyclictest921963-21cron20:55:011
88542499191,11cyclictest0-21swapper/300:23:073
885420991911,5cyclictest0-21swapper/200:39:592
885415991913,3cyclictest927432-21cstates21:10:151
88542099181,13cyclictest920279-21grep20:50:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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