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2026-04-28 - 22:41

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 28, 2026 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1442123995446,5cyclictest1492064-21unixbench_multi09:30:273
1442117995041,4cyclictest1443751-21munin-plugin-st07:15:011
1442119994940,5cyclictest1447309-21unixbench_multi07:20:252
1442112994940,6cyclictest1501044-21munin-plugin-st10:00:000
1442112994734,10cyclictest121ktimers/007:30:140
1442112994638,5cyclictest1527457-21runrttasks11:15:170
1442119994537,5cyclictest1494210-21cron09:40:012
1442117994231,7cyclictest0-21swapper/107:25:161
1442112994231,8cyclictest1480374-21grep09:00:010
1442112994132,6cyclictest1502498-21unixbench_multi10:00:270
1442112994132,6cyclictest1502498-21unixbench_multi10:00:260
1442112994132,5cyclictest1550684-21unixbench_multi12:20:250
1442112994130,8cyclictest121ktimers/010:45:140
1442123994032,5cyclictest1467955-21grep08:20:273
1442123994032,5cyclictest1467955-21grep08:20:273
1442123994028,9cyclictest1441828-21kworker/u8:1+events_unbound07:55:133
1442119994030,5cyclictest0-21swapper/207:44:012
1442119994030,5cyclictest0-21swapper/207:44:012
1442119993933,4cyclictest1470037-21kworker/u8:1+events_unbound09:19:262
1442119993933,4cyclictest1470037-21kworker/u8:1+events_unbound09:19:252
1442112993927,8cyclictest121ktimers/007:25:130
1442123993830,4cyclictest0-21swapper/311:50:153
1442119993827,6cyclictest1504229-21grep10:05:272
1442119993827,6cyclictest1504229-21grep10:05:272
1442117993830,6cyclictest1483788-21sh09:10:011
1442112993828,6cyclictest0-21swapper/008:20:270
1442112993828,6cyclictest0-21swapper/008:20:260
1442123993729,4cyclictest0-21swapper/310:30:253
1442123993728,6cyclictest0-21swapper/309:10:003
1442123993719,11cyclictest1506528-21kworker/u8:0+events_unbound10:15:233
1442119993722,6cyclictest1449255-21kworker/u8:2+events_unbound07:29:022
1442117993727,6cyclictest0-21swapper/107:20:251
1442119993629,5cyclictest1518282-21kworker/u8:2+events_unbound11:34:462
1442119993627,5cyclictest1506126-21grep10:10:252
1442117993625,7cyclictest0-21swapper/107:15:231
1442112993626,6cyclictest0-21swapper/008:30:240
1442112993626,6cyclictest0-21swapper/007:45:250
1442112993626,6cyclictest0-21swapper/007:45:250
1442112993625,7cyclictest0-21swapper/012:05:250
1442123993527,4cyclictest0-21swapper/310:50:273
1442123993527,4cyclictest0-21swapper/310:50:263
1442123993527,4cyclictest0-21swapper/308:10:153
1442123993526,6cyclictest1515105-21munin-plugin-st10:40:003
1442123993526,5cyclictest0-21swapper/308:45:013
1442117993527,4cyclictest0-21swapper/110:39:351
1442117993525,7cyclictest1459904-21sendmail08:00:001
1442117993525,6cyclictest0-21swapper/109:00:261
1442112993525,6cyclictest0-21swapper/012:15:000
1442112993522,9cyclictest121ktimers/011:50:110
1442123993427,4cyclictest0-21swapper/310:05:273
1442123993427,4cyclictest0-21swapper/310:05:273
1442123993426,4cyclictest0-21swapper/311:25:003
1442123993424,6cyclictest0-21swapper/308:55:013
1442123993412,10cyclictest0-21swapper/311:05:143
1442119993428,4cyclictest1488693-21unixbench_singl09:20:252
1442119993427,5cyclictest1502027-21kworker/u8:3+events_unbound10:00:412
1442119993427,5cyclictest1502027-21kworker/u8:3+events_unbound10:00:412
1442119993426,4cyclictest0-21swapper/210:40:242
1442119993424,7cyclictest1483779-21sh09:10:002
1442112993424,5cyclictest0-21swapper/010:15:240
1442112993423,8cyclictest1442688-21latency07:10:210
1442123993325,4cyclictest0-21swapper/307:40:243
1442123993325,4cyclictest0-21swapper/307:40:243
1442123993323,6cyclictest0-21swapper/309:15:263
1442123993323,6cyclictest0-21swapper/309:15:253
1442123993323,6cyclictest0-21swapper/308:40:013
144212399331,4cyclictest131rcu_preempt09:25:113
1442119993325,6cyclictest311ktimers/210:15:102
1442119993325,4cyclictest0-21swapper/207:45:162
1442119993325,4cyclictest0-21swapper/207:45:162
1442119993323,8cyclictest1458632-21tune2fs07:55:152
1442119993322,8cyclictest311ktimers/208:30:122
1442112993325,5cyclictest0-21swapper/007:20:010
1442112993324,6cyclictest0-21swapper/011:30:260
1442112993324,5cyclictest0-21swapper/008:15:000
1442123993224,4cyclictest0-21swapper/307:30:173
1442123993222,6cyclictest0-21swapper/309:40:023
1442119993221,8cyclictest1523225-21grep11:00:242
1442117993222,6cyclictest0-21swapper/110:00:161
1442117993222,6cyclictest0-21swapper/110:00:161
1442112993225,4cyclictest1535554-21sh11:40:000
1442112993224,4cyclictest0-21swapper/009:20:000
1442112993224,4cyclictest0-21swapper/009:20:000
1442112993223,6cyclictest0-21swapper/012:30:260
1442112993217,13cyclictest1442104-21cyclictest08:25:120
1442123993126,3cyclictest1449466-21cron07:30:013
1442119993125,4cyclictest1535306-21kworker/u8:3+events_unbound11:39:472
1442119993124,4cyclictest0-21swapper/212:05:002
1442119993124,3cyclictest0-21swapper/212:30:262
1442119993122,6cyclictest1469713-21grep08:25:262
1442119993122,5cyclictest0-21swapper/208:20:002
1442119993117,10cyclictest204-21dbus-daemon08:59:232
1442117993124,4cyclictest0-21swapper/111:15:261
1442117993123,4cyclictest0-21swapper/109:40:271
1442112993123,5cyclictest0-21swapper/010:25:010
1442112993123,4cyclictest0-21swapper/008:00:000
1442112993121,6cyclictest0-21swapper/011:15:000
1442112993121,6cyclictest0-21swapper/011:05:000
1442112993121,6cyclictest0-21swapper/009:20:250
1442123993024,4cyclictest1540312-21kworker/u8:2+events_unbound12:18:413
1442123993023,3cyclictest0-21swapper/308:30:253
1442123993016,6cyclictest1502027-21kworker/u8:3+events_unbound10:13:413
144212399301,4cyclictest131rcu_preempt12:25:113
1442119993024,4cyclictest1453089-21sh07:40:002
1442119993024,4cyclictest1453089-21sh07:40:002
1442119993023,3cyclictest0-21swapper/208:50:182
1442119993020,7cyclictest1443858-21ls07:15:012
1442119993020,6cyclictest0-21swapper/212:10:002
1442119993020,6cyclictest0-21swapper/208:10:242
1442117993020,7cyclictest1523200-21grep11:00:241
1442112993024,3cyclictest1472587-21missed_timers08:35:200
1442112993023,3cyclictest0-21swapper/011:25:000
1442112993022,5cyclictest0-21swapper/010:25:240
1442112993022,5cyclictest0-21swapper/008:40:140
1442112993021,6cyclictest0-21swapper/009:50:160
144211299301,2cyclictest0-21swapper/009:45:110
1442112993011,16cyclictest0-21swapper/010:40:000
144212399294,4cyclictest131rcu_preempt09:00:113
1442123992922,5cyclictest1443699-21kworker/u8:0+events_unbound07:19:003
1442123992922,4cyclictest1501042-21munin-run10:00:003
1442123992922,4cyclictest0-21swapper/312:00:263
1442123992922,3cyclictest0-21swapper/310:40:153
1442123992921,5cyclictest0-21swapper/312:40:003
1442119992922,5cyclictest1495785-21kworker/u8:1+events_unbound12:10:212
1442119992922,5cyclictest1495785-21kworker/u8:1+events_unbound10:39:362
1442119992922,4cyclictest0-21swapper/211:50:242
1442119992921,6cyclictest1542449-21latency_hist12:00:002
1442119992920,5cyclictest0-21swapper/212:35:252
1442119992919,6cyclictest0-21swapper/210:50:162
1442119992919,6cyclictest0-21swapper/210:50:162
1442119992917,9cyclictest1450696-21grep07:30:262
1442117992921,4cyclictest0-21swapper/112:25:161
1442117992921,4cyclictest0-21swapper/109:20:251
1442117992920,6cyclictest1511246-21grep10:25:241
1442117992916,9cyclictest1521932-21run-parts11:00:011
1442117992916,9cyclictest1521932-21run-parts11:00:001
1442112992921,5cyclictest0-21swapper/011:10:010
1442112992921,5cyclictest0-21swapper/010:35:000
1442112992920,6cyclictest53-21kcompactd007:20:250
1442112992920,5cyclictest0-21swapper/010:15:000
1442123992821,5cyclictest1451597-21kworker/u8:3+events_unbound07:49:023
1442123992821,5cyclictest1451597-21kworker/u8:3+events_unbound07:49:023
1442123992821,4cyclictest0-21swapper/312:05:163
1442123992820,5cyclictest0-21swapper/307:40:013
1442123992820,5cyclictest0-21swapper/307:40:003
1442123992820,4cyclictest0-21swapper/308:45:273
1442123992820,4cyclictest0-21swapper/308:25:263
1442123992818,7cyclictest1461067-21cat08:00:263
1442119992822,4cyclictest1506528-21kworker/u8:0+events_unbound10:25:012
1442119992822,3cyclictest0-21swapper/211:20:262
1442119992818,7cyclictest0-21swapper/211:20:012
1442119992817,7cyclictest1461764-21latency_hist08:05:012
1442117992821,5cyclictest1459587-21kworker/u8:2+events_unbound08:14:061
1442117992821,5cyclictest1441828-21kworker/u8:1+events_unbound07:34:011
1442117992821,4cyclictest1508273-21cron10:20:001
1442117992821,4cyclictest0-21swapper/110:10:171
1442117992820,4cyclictest0-21swapper/107:40:241
1442117992820,4cyclictest0-21swapper/107:40:241
1442112992821,4cyclictest0-21swapper/007:35:270
1442112992821,4cyclictest0-21swapper/007:35:260
1442112992816,9cyclictest121ktimers/012:25:110
1442123992720,4cyclictest0-21swapper/311:45:243
1442123992720,3cyclictest0-21swapper/309:50:163
1442119992721,3cyclictest0-21swapper/209:40:272
1442119992716,7cyclictest0-21swapper/211:05:262
1442119992714,6cyclictest438-21cron07:20:012
1442112992721,4cyclictest1483805-21sh09:10:010
1442112992719,5cyclictest0-21swapper/008:05:160
1442112992717,6cyclictest1538970-21cron11:50:000
1442112992717,6cyclictest0-21swapper/008:00:260
1442123992620,3cyclictest0-21swapper/307:20:183
1442123992617,6cyclictest0-21swapper/310:00:273
1442123992617,6cyclictest0-21swapper/310:00:263
1442123992616,7cyclictest1517678-21grep10:45:233
1442123992615,8cyclictest1534640-21ntpq11:35:233
144211999262,3cyclictest1549664-21apt-get12:20:122
1442119992620,3cyclictest0-21swapper/210:25:212
1442119992618,5cyclictest0-21swapper/209:30:272
1442119992617,6cyclictest1526585-21grep11:10:242
144211999260,4cyclictest131rcu_preempt11:45:122
1442117992620,3cyclictest0-21swapper/110:40:241
1442117992619,5cyclictest1495785-21kworker/u8:1+events_unbound12:24:521
1442117992618,4cyclictest0-21swapper/111:35:271
1442117992618,4cyclictest0-21swapper/111:10:151
1442117992618,4cyclictest0-21swapper/110:10:001
1442117992618,4cyclictest0-21swapper/110:10:001
1442117992616,7cyclictest1532550-21cut11:30:151
1442117992615,8cyclictest1465777-21ntpq08:15:201
1442123992519,3cyclictest0-21swapper/310:20:143
1442123992517,5cyclictest0-21swapper/311:25:133
1442123992517,4cyclictest0-21swapper/310:25:253
144212399251,12cyclictest0-21swapper/312:20:243
144211999254,13cyclictest1501042-21munin-run10:00:002
1442119992518,5cyclictest1459587-21kworker/u8:2+events_unbound08:24:082
1442119992518,5cyclictest1459587-21kworker/u8:2+events_unbound08:24:082
1442119992517,4cyclictest1521938-21sendmail11:00:012
1442119992517,4cyclictest1521938-21sendmail11:00:002
1442119992517,4cyclictest0-21swapper/211:45:002
1442119992517,4cyclictest0-21swapper/208:35:252
1442117992519,3cyclictest0-21swapper/109:25:131
1442117992518,4cyclictest0-21swapper/110:45:261
1442117992518,3cyclictest0-21swapper/109:15:001
1442117992517,5cyclictest0-21swapper/111:25:251
1442117992517,5cyclictest0-21swapper/109:35:151
1442117992514,7cyclictest204-21dbus-daemon11:54:481
1442117992513,7cyclictest0-21swapper/112:30:251
1442112992518,3cyclictest0-21swapper/012:19:590
1442112992517,4cyclictest0-21swapper/008:45:260
1442112992516,5cyclictest0-21swapper/010:50:170
1442112992516,5cyclictest0-21swapper/010:50:160
1442112992515,8cyclictest1495785-21kworker/u8:1+events_unbound10:55:130
1442112992515,8cyclictest1495785-21kworker/u8:1+events_unbound10:55:130
1442123992417,4cyclictest0-21swapper/312:10:233
1442123992417,4cyclictest0-21swapper/310:55:253
1442123992417,4cyclictest0-21swapper/310:55:253
1442123992416,6cyclictest1443699-21kworker/u8:0+events_unbound07:50:403
1442119992419,3cyclictest1474649-21timerandwakeup08:40:232
1442119992418,4cyclictest1518282-21kworker/u8:2+events_unbound10:48:192
1442119992417,5cyclictest1459587-21kworker/u8:2+events_unbound09:00:112
1442119992416,6cyclictest1456716-21kworker/u8:2+events_unbound07:50:142
1442117992418,3cyclictest0-21swapper/111:45:191
1442117992418,3cyclictest0-21swapper/111:05:161
1442117992418,3cyclictest0-21swapper/110:50:141
1442117992418,3cyclictest0-21swapper/110:50:141
1442117992418,3cyclictest0-21swapper/107:50:021
1442117992418,3cyclictest0-21swapper/107:50:011
1442117992417,4cyclictest0-21swapper/112:10:231
1442117992416,5cyclictest0-21swapper/109:15:161
1442117992416,5cyclictest0-21swapper/109:15:161
1442117992413,7cyclictest0-21swapper/111:20:261
1442112992416,4cyclictest0-21swapper/010:40:240
1442112992415,6cyclictest121ktimers/007:40:110
1442112992415,6cyclictest121ktimers/007:40:110
144211299241,21cyclictest0-21swapper/009:10:040
144211299241,19cyclictest0-21swapper/011:59:100
144211299241,19cyclictest0-21swapper/009:01:010
144211299241,19cyclictest0-21swapper/008:51:170
1442123992318,3cyclictest0-21swapper/311:00:213
144212399231,5cyclictest1528746-21munin-run11:20:003
144212399231,3cyclictest131rcu_preempt11:35:003
1442123992313,7cyclictest1541362-21memory11:55:213
144211999233,5cyclictest131rcu_preempt10:30:132
1442119992316,4cyclictest0-21swapper/208:45:232
1442119992314,6cyclictest1552165-21/usr/sbin/munin12:25:232
1442119992313,7cyclictest1498097-21tune2fs09:50:162
1442117992318,3cyclictest0-21swapper/107:35:211
1442117992318,3cyclictest0-21swapper/107:35:211
1442117992317,3cyclictest0-21swapper/112:15:221
1442117992315,5cyclictest231ktimers/109:45:221
1442112992317,3cyclictest0-21swapper/011:45:000
1442112992316,4cyclictest1531726-21unixbench_singl11:25:240
1442112992315,4cyclictest0-21swapper/009:35:150
1442112992314,6cyclictest1491340-21/usr/sbin/munin09:30:180
144211299231,18cyclictest0-21swapper/008:16:490
1442123992215,4cyclictest1497628-21cron09:50:003
1442123992215,4cyclictest0-21swapper/309:15:003
1442123992215,3cyclictest0-21swapper/309:40:173
1442123992214,6cyclictest391ktimers/311:10:193
1442123992214,5cyclictest0-21swapper/307:10:173
1442123992213,6cyclictest1465452-21tune2fs08:15:153
1442123992212,7cyclictest1479422-21ntpq08:55:213
1442123992211,8cyclictest1553635-21ntp_states12:30:223
1442123992211,8cyclictest1536373-21ntp_states11:40:223
144211999222,15cyclictest1532154-21cron11:30:002
144211999222,10cyclictest1490819-21apt09:30:002
1442119992216,4cyclictest1443699-21kworker/u8:0+events_unbound08:09:062
144211799226,3cyclictest0-21swapper/108:05:131
1442117992215,4cyclictest0-21swapper/112:00:241
1442117992213,6cyclictest0-21swapper/109:30:151
1442117992212,7cyclictest208-21systemd-logind08:04:041
1442117992212,7cyclictest0-21swapper/108:45:181
144211799221,18cyclictest231ktimers/109:58:171
144211799221,10cyclictest1480356-21cron09:00:011
1442112992216,3cyclictest0-21swapper/010:10:000
1442112992216,3cyclictest0-21swapper/010:10:000
1442112992214,5cyclictest0-21swapper/012:00:270
144211299221,17cyclictest0-21swapper/007:52:200
144211299220,18cyclictest0-21swapper/009:25:330
1442123992114,4cyclictest1462389-21ntpq08:05:213
1442123992112,6cyclictest1-21systemd09:24:253
144211999211,15cyclictest1485265-21grep09:10:242
1442117992114,4cyclictest231ktimers/109:50:181
1442117992114,4cyclictest0-21swapper/108:50:281
1442117992113,5cyclictest0-21swapper/108:40:231
1442117992113,4cyclictest0-21swapper/112:40:001
1442117992112,6cyclictest0-21swapper/111:55:261
1442117992015,3cyclictest0-21swapper/107:50:061
1442117992014,3cyclictest1508524-21/usr/sbin/munin10:20:141
1442117992014,3cyclictest0-21swapper/108:30:241
1442117992010,7cyclictest1512867-21/usr/sbin/munin10:30:251
1442117991914,3cyclictest645-21runrttasks12:05:131
1442117991913,4cyclictest231ktimers/111:40:501
1442117991913,3cyclictest0-21swapper/108:20:161
1442117991913,3cyclictest0-21swapper/108:20:161
1442117991912,5cyclictest231ktimers/108:35:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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