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2026-07-22 - 22:11

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 Wed Jul 22, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1379003995145,4cyclictest1464295-21kworker/u8:3+events_unbound11:44:150
1379012994940,6cyclictest311ktimers/210:40:132
1379007994735,8cyclictest1416204-21fschecks_time08:55:181
1379007994638,4cyclictest1436935-21fschecks_time09:55:171
1379003994625,6cyclictest131rcu_preempt10:45:250
1379003994625,6cyclictest131rcu_preempt10:45:240
1379016994538,4cyclictest1446920-21cron10:25:003
1379003994431,8cyclictest1483383-21grep12:05:280
1379016994331,9cyclictest391ktimers/309:10:113
1379016994233,4cyclictest0-21swapper/310:40:003
1379003994232,7cyclictest438-21cron11:10:010
1379003994231,7cyclictest1434771-21auditctl09:50:010
1379007994032,5cyclictest1487198-21cron12:20:011
1379003994027,5cyclictest131rcu_preempt09:28:170
1379016993930,6cyclictest1488458-21unixbench_multi12:20:243
1379016993928,7cyclictest0-21swapper/308:55:273
1379012993927,7cyclictest0-21swapper/211:59:172
1379007993928,8cyclictest0-21swapper/111:45:001
1379003993930,6cyclictest1443077-21grep10:10:250
1379003993922,3cyclictest131rcu_preempt09:55:190
1379016993827,6cyclictest0-21swapper/312:35:243
1379016993826,9cyclictest1380861-21latency07:15:003
1379016993826,8cyclictest1436481-21cut09:55:013
1379003993832,4cyclictest1408693-21kworker/u8:0+events_unbound09:33:480
1379003993826,8cyclictest1446469-21grep10:20:250
1379003993819,16cyclictest121ktimers/010:55:050
137900399380,35cyclictest0-21swapper/009:00:130
1379012993727,6cyclictest0-21swapper/207:25:002
1379012993726,8cyclictest1380724-21cron07:15:012
1379012993725,9cyclictest1462895-21cron11:10:012
1379003993723,4cyclictest131rcu_preempt07:29:220
1379003993723,4cyclictest131rcu_preempt07:29:220
1379003993719,15cyclictest121ktimers/007:34:590
1379003993718,5cyclictest131rcu_preempt12:23:560
1379016993630,4cyclictest1420626-21kworker/u8:2+events_unbound09:18:463
1379016993626,6cyclictest0-21swapper/307:15:273
1379003993623,4cyclictest131rcu_preempt08:36:210
1379003993619,4cyclictest131rcu_preempt08:15:460
1379003993615,10cyclictest131rcu_preempt10:25:320
1379003993614,11cyclictest131rcu_preempt09:43:520
1379016993527,4cyclictest0-21swapper/309:40:013
1379016993526,6cyclictest1384237-21unixbench_singl07:20:253
1379016993525,6cyclictest0-21swapper/312:30:243
1379016993524,6cyclictest0-21swapper/312:00:273
1379016993524,6cyclictest0-21swapper/312:00:263
1379012993528,4cyclictest1494025-21auditctl12:40:002
1379012993526,6cyclictest1438179-21cut10:00:012
1379012993525,6cyclictest0-21swapper/210:10:012
1379007993525,6cyclictest0-21swapper/111:59:591
1379003993527,3cyclictest0-21swapper/007:23:280
1379003993525,6cyclictest1391274-21grep07:40:260
1379003993525,4cyclictest131rcu_preempt09:10:150
1379003993524,7cyclictest1415570-21idleruntime-cro08:55:000
1379003993523,5cyclictest131rcu_preempt08:10:350
1379003993516,4cyclictest131rcu_preempt08:07:120
1379016993427,4cyclictest0-21swapper/310:05:163
1379016993426,4cyclictest0-21swapper/311:05:253
1379016993426,4cyclictest0-21swapper/307:39:593
1379016993424,6cyclictest1401910-21cron08:15:013
1379016993424,6cyclictest0-21swapper/309:00:263
1379012993427,5cyclictest1410402-21kworker/u8:2+events_unbound08:43:362
1379012993425,5cyclictest1487215-21cron12:20:012
1379012993424,7cyclictest1480800-21fschecks_count12:00:172
1379012993424,7cyclictest1480800-21fschecks_count12:00:172
1379007993425,4cyclictest0-21swapper/107:28:291
1379007993425,4cyclictest0-21swapper/107:28:281
137900399348,10cyclictest11-21ksoftirqd/009:50:150
1379003993427,4cyclictest0-21swapper/009:40:010
1379003993426,4cyclictest0-21swapper/010:05:000
1379003993425,6cyclictest1424094-21grep09:15:270
1379003993423,7cyclictest0-21swapper/007:15:010
1379003993422,5cyclictest131rcu_preempt08:35:000
1379003993420,4cyclictest131rcu_preempt12:17:030
1379003993417,4cyclictest131rcu_preempt10:54:570
1379003993417,10cyclictest131rcu_preempt11:34:290
1379003993416,10cyclictest131rcu_preempt12:35:190
137900399340,31cyclictest0-21swapper/009:20:140
1379016993326,4cyclictest0-21swapper/311:00:263
1379016993325,4cyclictest0-21swapper/311:50:183
1379016993325,4cyclictest0-21swapper/309:25:283
1379016993325,4cyclictest0-21swapper/307:25:263
1379016993325,4cyclictest0-21swapper/307:25:263
1379016993323,6cyclictest0-21swapper/311:15:253
1379012993325,4cyclictest0-21swapper/210:35:242
1379012993323,7cyclictest1429164-21grep09:30:262
1379007993325,4cyclictest0-21swapper/111:15:011
1379007993320,8cyclictest0-21swapper/110:45:251
1379007993320,8cyclictest0-21swapper/110:45:241
1379003993324,5cyclictest0-21swapper/010:20:000
1379003993318,5cyclictest131rcu_preempt08:26:290
1379003993316,9cyclictest131rcu_preempt12:30:210
1379003993316,9cyclictest131rcu_preempt10:35:260
1379003993316,4cyclictest131rcu_preempt07:57:010
1379003993315,11cyclictest131rcu_preempt07:15:230
1379003993312,4cyclictest131rcu_preempt11:55:260
1379016993223,5cyclictest0-21swapper/309:20:273
1379016993222,6cyclictest0-21swapper/311:30:013
1379012993224,4cyclictest0-21swapper/210:00:262
1379007993226,4cyclictest1448301-21kworker/u8:2+events_unbound10:34:011
1379007993224,4cyclictest0-21swapper/110:25:171
1379007993221,7cyclictest0-21swapper/111:05:011
1379007993221,6cyclictest0-21swapper/111:20:241
137900399326,8cyclictest11-21ksoftirqd/011:20:240
1379003993226,4cyclictest1391502-21kworker/u8:0+events_unbound07:48:420
1379003993217,5cyclictest131rcu_preempt08:49:190
1379003993216,9cyclictest131rcu_preempt08:22:520
1379003993216,4cyclictest131rcu_preempt10:30:250
1379003993215,9cyclictest131rcu_preempt12:00:220
1379003993215,9cyclictest131rcu_preempt12:00:210
1379003993215,4cyclictest131rcu_preempt07:52:180
1379003993213,5cyclictest131rcu_preempt12:10:200
1379016993123,4cyclictest0-21swapper/311:50:003
1379016993123,4cyclictest0-21swapper/311:49:593
1379012993124,5cyclictest311ktimers/209:40:102
1379012993120,6cyclictest0-21swapper/208:55:182
1379007993124,4cyclictest0-21swapper/109:30:171
1379007993119,7cyclictest1491885-21grep12:30:251
137900399314,5cyclictest11-21ksoftirqd/011:50:130
1379003993119,5cyclictest131rcu_preempt11:25:270
1379003993119,4cyclictest131rcu_preempt11:00:240
1379003993115,5cyclictest131rcu_preempt09:07:290
1379003993111,5cyclictest131rcu_preempt10:05:230
1379016993020,6cyclictest0-21swapper/311:35:243
1379016993020,6cyclictest0-21swapper/308:25:263
1379016993019,7cyclictest0-21swapper/311:30:253
1379012993023,4cyclictest1420904-21apt09:10:002
1379012993019,7cyclictest0-21swapper/211:00:262
1379007993020,6cyclictest0-21swapper/108:15:261
1379007993018,8cyclictest1380159-21grep07:10:251
1379007993017,9cyclictest1390007-21basename07:40:001
1379003993016,4cyclictest1391502-21kworker/u8:0-events_freezable_power_08:03:360
1379003993013,9cyclictest131rcu_preempt10:40:170
1379003993013,4cyclictest131rcu_preempt11:45:220
1379003993013,4cyclictest131rcu_preempt11:45:210
1379003993012,4cyclictest131rcu_preempt08:56:000
1379003993011,9cyclictest131rcu_preempt07:35:220
1379003993010,5cyclictest131rcu_preempt12:25:150
1379016992923,4cyclictest1387981-21kworker/u8:1+events_unbound07:41:393
1379016992921,4cyclictest0-21swapper/308:25:013
1379016992920,6cyclictest0-21swapper/311:25:013
1379016992919,6cyclictest0-21swapper/312:10:253
1379016992919,6cyclictest0-21swapper/310:15:003
1379012992920,6cyclictest1488483-21grep12:20:242
1379012992919,6cyclictest0-21swapper/209:35:252
1379007992921,4cyclictest0-21swapper/109:00:271
1379007992919,6cyclictest0-21swapper/111:25:161
1379007992918,7cyclictest1386986-21tune2fs07:30:151
137900399299,5cyclictest131rcu_preempt11:35:170
1379003992910,11cyclictest131rcu_preempt08:40:160
1379016992820,5cyclictest0-21swapper/309:10:013
1379016992819,6cyclictest0-21swapper/312:20:013
1379016992819,6cyclictest0-21swapper/311:00:003
1379016992819,5cyclictest0-21swapper/310:05:003
1379016992818,6cyclictest0-21swapper/310:15:253
1379016992818,6cyclictest0-21swapper/308:50:243
1379012992822,4cyclictest1436264-21kworker/u8:0+events_unbound09:53:522
1379012992822,4cyclictest1400077-21kworker/u8:3+events_unbound08:08:342
137901299282,22cyclictest1413454-21grep08:45:262
1379012992821,4cyclictest0-21swapper/211:15:012
1379012992819,6cyclictest1415698-21latency_hist08:55:012
1379007992820,4cyclictest0-21swapper/107:15:261
1379007992819,4cyclictest0-21swapper/111:50:001
1379007992819,4cyclictest0-21swapper/111:50:001
1379007992818,6cyclictest0-21swapper/112:05:271
1379007992817,7cyclictest1446456-21grep10:20:251
1379007992817,6cyclictest0-21swapper/108:05:261
1379003992818,7cyclictest121ktimers/011:10:170
1379016992719,4cyclictest0-21swapper/310:30:003
1379016992719,4cyclictest0-21swapper/308:45:173
1379012992721,4cyclictest1464295-21kworker/u8:3+events_unbound11:24:092
1379012992721,3cyclictest0-21swapper/207:45:002
1379012992719,5cyclictest1465858-21unixbench_multi11:15:252
1379007992719,5cyclictest1394978-21kworker/u8:1+events_unbound07:58:331
1379007992718,4cyclictest0-21swapper/110:50:161
1379007992718,4cyclictest0-21swapper/109:15:161
1379007992715,7cyclictest0-21swapper/112:35:241
1379007992715,7cyclictest0-21swapper/107:20:251
1379016992616,6cyclictest0-21swapper/310:35:003
1379012992617,6cyclictest0-21swapper/208:00:272
1379012992617,6cyclictest0-21swapper/207:15:022
1379007992619,3cyclictest0-21swapper/108:45:171
1379007992616,6cyclictest0-21swapper/112:10:251
1379007992616,6cyclictest0-21swapper/109:50:231
137900799261,4cyclictest131rcu_preempt07:50:141
137901699255,3cyclictest1456683-21cut10:50:173
1379016992518,5cyclictest1391502-21kworker/u8:0+events_unbound07:48:323
1379016992518,4cyclictest438-21cron12:10:003
1379016992517,4cyclictest0-21swapper/308:45:013
1379016992515,6cyclictest0-21swapper/309:55:273
137901299253,4cyclictest0-21swapper/208:20:132
1379012992519,3cyclictest1385637-21ntpq07:25:212
1379012992519,3cyclictest1385637-21ntpq07:25:212
1379012992518,4cyclictest0-21swapper/207:45:262
1379012992517,5cyclictest0-21swapper/212:10:152
1379012992517,4cyclictest1427155-21sshd09:25:262
1379012992515,7cyclictest1387856-21grep07:30:252
1379012992513,9cyclictest1444369-21cut10:15:232
1379012992511,5cyclictest1445141-21kworker/u8:0+events_unbound10:20:412
1379007992518,5cyclictest1420626-21kworker/u8:2+events_unbound09:08:421
1379007992518,4cyclictest0-21swapper/110:15:231
1379007992518,4cyclictest0-21swapper/108:40:161
1379007992516,5cyclictest1415771-21latency_hist08:55:001
1379007992515,6cyclictest1422830-21basename09:15:011
1379007992514,6cyclictest0-21swapper/111:30:251
1379007992512,8cyclictest204-21dbus-daemon10:39:011
1379016992414,6cyclictest1402331-21tune2fs08:15:173
1379016992414,5cyclictest0-21swapper/311:40:163
1379016992413,7cyclictest391ktimers/308:00:013
137901299244,4cyclictest131rcu_preempt11:25:122
1379012992418,4cyclictest1474790-21kworker/u8:1+events_unbound11:47:112
1379012992418,4cyclictest1474790-21kworker/u8:1+events_unbound11:47:112
1379012992418,4cyclictest1467934-21kworker/u8:1+events_unbound11:38:202
1379012992418,3cyclictest0-21swapper/207:35:172
1379012992417,5cyclictest1457461-21kworker/u8:2+events_unbound10:59:032
1379012992416,5cyclictest0-21swapper/212:30:252
1379012992415,6cyclictest1483278-21grep12:05:272
1379012992414,7cyclictest1407851-21ntpq08:30:232
1379012992414,6cyclictest1455680-21grep10:45:252
1379012992414,6cyclictest1455680-21grep10:45:252
1379012992413,8cyclictest1425564-21sed09:20:262
1379007992417,5cyclictest1432753-21kworker/u8:0+events_unbound09:43:501
1379007992414,7cyclictest1443517-21basename10:15:001
1379016992317,3cyclictest0-21swapper/309:40:163
1379016992316,3cyclictest0-21swapper/310:40:243
1379016992315,5cyclictest0-21swapper/312:00:003
1379016992314,6cyclictest1490801-21date12:30:013
1379016992314,6cyclictest0-21swapper/308:10:013
137901299239,6cyclictest131rcu_preempt10:50:262
137901299233,4cyclictest131rcu_preempt09:45:132
1379012992316,5cyclictest1415183-21kworker/u8:1+events_unbound09:03:422
1379012992316,4cyclictest1489314-21fschecks_count12:25:152
1379012992316,4cyclictest1476970-21kworker/u8:2+events_unbound11:54:322
1379012992314,6cyclictest0-21swapper/211:45:012
1379007992316,4cyclictest0-21swapper/110:40:271
1379007992316,3cyclictest0-21swapper/108:10:121
1379007992314,6cyclictest0-21swapper/109:20:261
1379007992314,5cyclictest1390438-21fschecks_time07:40:171
1379007992312,7cyclictest0-21swapper/108:20:211
1379016992216,3cyclictest0-21swapper/308:05:003
1379016992216,3cyclictest0-21swapper/307:30:153
1379016992214,5cyclictest0-21swapper/308:35:253
1379016992214,4cyclictest0-21swapper/309:30:253
1379016992211,8cyclictest1454614-21apt-get10:45:113
1379016992211,8cyclictest1454614-21apt-get10:45:113
1379012992216,3cyclictest0-21swapper/210:10:122
1379012992216,3cyclictest0-21swapper/208:20:012
1379012992215,5cyclictest311ktimers/208:25:252
1379012992211,8cyclictest1450723-21sed10:35:012
137900799226,3cyclictest0-21swapper/109:27:331
137900799221,4cyclictest0-21swapper/112:02:331
137900799221,4cyclictest0-21swapper/112:02:331
1379007992214,5cyclictest1459491-21idleruntime-cro11:00:001
1379007992214,4cyclictest1473136-21munin-plugin-st11:39:591
137901699213,3cyclictest1433563-21if_err_eth009:45:173
1379016992114,5cyclictest391ktimers/307:50:133
1379016992113,4cyclictest0-21swapper/308:30:273
1379012992112,6cyclictest1421475-21/usr/sbin/munin09:10:132
1379007992116,3cyclictest645-21runrttasks08:35:271
1379007992115,3cyclictest0-21swapper/111:15:161
1379007992115,3cyclictest0-21swapper/109:45:251
1379007992115,3cyclictest0-21swapper/108:30:171
1379007992114,5cyclictest231ktimers/111:05:141
1379007992114,5cyclictest0-21swapper/112:25:151
1379007992114,5cyclictest0-21swapper/107:45:131
1379007992114,4cyclictest0-21swapper/110:05:251
1379016992012,5cyclictest391ktimers/311:10:143
1379012992013,5cyclictest311ktimers/207:55:192
1379012992012,5cyclictest1423607-21ntpq09:15:222
1379007992013,5cyclictest231ktimers/110:00:141
1379012991913,3cyclictest0-21swapper/208:40:012
1379012991912,5cyclictest311ktimers/211:30:222
1379012991911,5cyclictest0-21swapper/207:50:272
1379007991912,5cyclictest231ktimers/108:25:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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