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2025-12-31 - 04:13

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 Wed Dec 31, 2025 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1544512996641,4cyclictest1603055-21runrttasks21:55:262
1544503995443,7cyclictest1603242-21grep21:55:270
1544515995340,9cyclictest1549712-21grep19:20:263
1544503994636,6cyclictest1653527-21grep00:20:260
1544515994538,4cyclictest1579589-21idleruntime-cro20:50:003
1544507994539,4cyclictest1620384-21kworker/u8:1+events_unbound23:57:271
1544515994436,4cyclictest1624161-21sendmail23:00:013
1544515994434,7cyclictest1628217-21fschecks_time23:10:153
1544512994436,5cyclictest1558694-21ls19:50:012
1544503994437,4cyclictest1596644-21sh21:40:000
1544512994336,4cyclictest1572550-21auditctl20:29:592
1544512994332,9cyclictest1575815-21kworker/u8:2+events_unbound21:05:132
1544507994336,4cyclictest1568929-21sh20:20:011
1544503994329,10cyclictest1632693-21grep23:20:250
1544512994236,4cyclictest1624145-21munin-run23:00:012
1544507994233,4cyclictest0-21swapper/119:55:191
1544507994231,7cyclictest1650580-21awk00:14:591
1544515994132,6cyclictest1631172-21cron23:20:013
1544515994129,8cyclictest1596661-21sendmail21:40:003
1544512994134,4cyclictest1581703-21fschecks_time20:55:172
1544507994132,5cyclictest1659108-21latency_hist00:40:001
1544507994132,5cyclictest1659108-21latency_hist00:39:591
1544503994130,8cyclictest1621962-21grep22:50:270
1544515994033,4cyclictest1622428-21cron22:55:013
1544515994030,6cyclictest1594932-21cron21:35:013
1544507994030,6cyclictest1603245-21unixbench_singl21:55:261
1544507994029,6cyclictest0-21swapper/123:45:251
1544503994033,4cyclictest1589827-21sendmail21:20:010
1544503994032,4cyclictest0-21swapper/021:00:010
1544503994031,6cyclictest1579593-21idleruntime-cro20:50:000
1544503994030,6cyclictest0-21swapper/021:45:000
1544503994028,7cyclictest1584219-21grep21:00:270
1544515993931,4cyclictest1553557-21cron19:35:013
1544515993927,8cyclictest1606669-21grep22:05:263
1544503993927,7cyclictest1563812-21apt20:05:010
1544512993831,4cyclictest1640153-21munin-plugin-st23:44:592
1544507993829,5cyclictest0-21swapper/120:35:001
1544503993831,4cyclictest1610505-21grep22:20:010
1544503993831,4cyclictest1546132-21sh19:15:010
1544503993826,8cyclictest0-21swapper/022:15:000
1544515993730,4cyclictest1582988-21cron21:00:013
1544515993724,9cyclictest1645457-21sendmail00:00:003
1544515993724,8cyclictest1568492-21grep20:15:273
1544512993727,6cyclictest0-21swapper/200:20:002
1544512993724,10cyclictest311ktimers/220:30:152
1544507993729,6cyclictest231ktimers/121:35:141
1544507993728,4cyclictest0-21swapper/121:20:011
1544503993730,4cyclictest1615150-21grep22:30:250
1544503993727,7cyclictest1600263-21sh21:50:000
1544507993628,3cyclictest0-21swapper/122:50:011
1544507993627,5cyclictest0-21swapper/100:25:271
1544507993624,7cyclictest1648871-21sh00:10:001
1544507993621,10cyclictest0-21swapper/123:20:241
1544503993627,5cyclictest0-21swapper/000:30:290
1544515993528,4cyclictest1615152-21tail22:30:253
1544515993525,6cyclictest0-21swapper/322:40:003
1544515993525,6cyclictest0-21swapper/300:40:003
1544515993525,6cyclictest0-21swapper/300:39:593
1544515993525,6cyclictest0-21swapper/300:05:003
1544515993523,8cyclictest1545713-21grep19:10:263
1544515993424,6cyclictest0-21swapper/322:25:263
1544515993422,8cyclictest1603686-21sendmail22:00:003
1544512993426,4cyclictest0-21swapper/200:09:592
1544512993425,6cyclictest0-21swapper/220:10:262
1544507993424,7cyclictest231ktimers/119:40:151
1544507993423,7cyclictest0-21swapper/122:00:261
154450799341,5cyclictest131rcu_preempt20:05:111
1544503993425,5cyclictest1556589-21unixbench_singl19:40:280
1544503993424,7cyclictest1586001-21grep21:05:250
1544503993423,8cyclictest1631182-21munin-plugin-st23:20:010
1544503993423,8cyclictest1629014-21grep23:10:250
1544503993423,7cyclictest0-21swapper/022:45:260
154450399341,30cyclictest0-21swapper/020:05:120
1544515993326,4cyclictest1604972-21unixbench_singl22:00:273
1544515993325,4cyclictest0-21swapper/321:20:263
1544512993324,6cyclictest0-21swapper/221:40:012
1544507993324,6cyclictest0-21swapper/120:40:001
154450799331,27cyclictest1590873-21cat21:20:251
154450399333,5cyclictest131rcu_preempt22:20:120
1544503993325,4cyclictest0-21swapper/021:25:260
1544503993321,6cyclictest1575487-21unixbench_multi20:35:260
1544515993225,5cyclictest1575815-21kworker/u8:2+events_unbound21:11:533
1544515993223,6cyclictest1633555-21fschecks_time23:25:173
1544515993222,6cyclictest0-21swapper/300:20:003
1544515993220,7cyclictest1600268-21auditctl21:50:003
1544512993224,4cyclictest0-21swapper/222:40:012
1544512993223,6cyclictest0-21swapper/219:30:002
1544512993222,6cyclictest0-21swapper/222:20:242
1544512993222,6cyclictest0-21swapper/219:30:252
1544512993222,6cyclictest0-21swapper/219:20:272
1544512993221,7cyclictest0-21swapper/221:40:252
1544507993225,4cyclictest0-21swapper/123:10:251
1544507993224,4cyclictest0-21swapper/100:25:001
1544507993219,8cyclictest0-21swapper/121:00:261
1544503993224,4cyclictest13550irq/42-30be0000.ethernet23:05:000
1544503993224,4cyclictest0-21swapper/021:50:250
1544515993123,4cyclictest0-21swapper/323:00:253
1544515993123,4cyclictest0-21swapper/320:35:263
1544515993122,6cyclictest1558273-21unixbench_singl19:45:263
1544512993124,4cyclictest0-21swapper/220:05:262
1544512993124,4cyclictest0-21swapper/219:35:162
1544512993124,3cyclictest0-21swapper/222:40:172
1544512993122,6cyclictest0-21swapper/221:15:252
1544512993121,6cyclictest0-21swapper/221:45:272
1544507993123,6cyclictest231ktimers/123:35:131
1544507993122,6cyclictest0-21swapper/120:55:011
1544507993121,7cyclictest1549727-21grep19:20:271
1544503993123,6cyclictest121ktimers/000:35:140
1544503993123,6cyclictest121ktimers/000:35:130
1544503993121,6cyclictest0-21swapper/000:10:000
1544503993120,7cyclictest0-21swapper/019:20:260
1544503993119,9cyclictest1650088-21grep00:10:260
1544515993022,4cyclictest0-21swapper/323:45:273
1544512993021,6cyclictest0-21swapper/223:30:262
1544512993021,6cyclictest0-21swapper/221:50:252
1544512993020,6cyclictest0-21swapper/222:25:252
1544503993023,3cyclictest0-21swapper/021:31:560
1544503993019,7cyclictest1547987-21grep19:15:230
1544515992922,4cyclictest0-21swapper/323:50:263
1544515992921,5cyclictest1655415-21kworker/u8:1+events_unbound00:27:423
1544515992919,6cyclictest0-21swapper/319:50:263
1544515992919,6cyclictest0-21swapper/319:40:003
1544512992922,5cyclictest1-21systemd20:01:372
1544512992922,4cyclictest0-21swapper/200:35:262
1544512992922,4cyclictest0-21swapper/200:35:262
1544512992920,6cyclictest0-21swapper/222:15:012
1544512992920,6cyclictest0-21swapper/219:10:262
1544512992920,5cyclictest0-21swapper/219:50:182
1544507992921,5cyclictest0-21swapper/119:40:001
1544507992920,4cyclictest1570644-21idleruntime-cro20:25:011
1544507992919,6cyclictest1636505-21sh23:35:001
1544507992919,6cyclictest0-21swapper/119:50:251
1544503992923,3cyclictest0-21swapper/023:35:000
154450399292,11cyclictest1568913-21cron20:20:000
1544515992819,6cyclictest1610077-21grep22:15:263
1544515992819,6cyclictest0-21swapper/320:05:263
1544515992818,6cyclictest1652666-21fschecks_count00:20:173
1544515992818,6cyclictest0-21swapper/320:50:283
1544515992818,6cyclictest0-21swapper/319:45:013
1544512992822,3cyclictest0-21swapper/220:40:022
1544512992821,4cyclictest1645454-21cron00:00:012
1544512992819,4cyclictest0-21swapper/223:50:262
154450799282,22cyclictest1594940-21idleruntime-cro21:35:001
1544507992819,6cyclictest1631410-21ls23:20:011
1544507992818,7cyclictest1546684-21fschecks_time19:15:041
1544507992818,6cyclictest0-21swapper/120:05:001
1544503992819,6cyclictest1570159-21grep20:20:250
1544503992819,5cyclictest1558272-21head19:45:260
1544503992818,7cyclictest1652483-21sort00:20:000
1544503992811,14cyclictest13550irq/42-30be0000.ethernet19:25:130
1544503992810,15cyclictest1580000-21fschecks_time20:50:180
1544515992720,4cyclictest0-21swapper/321:50:263
1544515992719,5cyclictest1619809-21ntpq22:45:223
1544512992720,4cyclictest1609214-21fschecks_time22:15:162
1544512992719,5cyclictest0-21swapper/220:15:282
1544512992719,5cyclictest0-21swapper/219:40:292
1544512992717,7cyclictest1546559-21switchtime19:15:042
1544512992716,7cyclictest1604970-21grep22:00:272
1544507992720,3cyclictest0-21swapper/123:00:261
1544507992720,3cyclictest0-21swapper/121:05:241
1544507992718,6cyclictest0-21swapper/119:45:271
1544507992717,7cyclictest1608382-21unixbench_singl22:10:291
1544507992717,6cyclictest0-21swapper/121:50:001
1544507992716,8cyclictest1546447-21sed19:15:011
1544507992716,7cyclictest1623732-21grep22:55:261
1544503992723,2cyclictest13550irq/42-30be0000.ethernet19:50:150
1544503992721,4cyclictest1634710-21kworker/u8:2+events_unbound23:37:230
1544503992721,3cyclictest0-21swapper/019:55:190
1544503992720,4cyclictest0-21swapper/019:35:020
1544503992719,5cyclictest1605377-21cron22:04:590
1544515992618,5cyclictest145-21jbd2/mmcblk1p2-823:40:173
1544515992616,6cyclictest0-21swapper/321:25:263
1544512992618,5cyclictest0-21swapper/221:00:272
1544512992618,5cyclictest0-21swapper/200:10:252
1544512992617,6cyclictest0-21swapper/221:30:272
1544512992617,6cyclictest0-21swapper/220:00:002
1544512992617,5cyclictest0-21swapper/223:15:192
1544512992616,7cyclictest204-21dbus-daemon21:11:532
1544512992616,6cyclictest0-21swapper/223:35:252
1544507992619,3cyclictest0-21swapper/120:25:261
1544507992618,4cyclictest0-21swapper/120:45:291
1544507992618,4cyclictest0-21swapper/120:40:231
1544507992615,7cyclictest1617340-21sendmail22:40:011
1544507992615,7cyclictest1612208-21cron22:25:011
154450399262,8cyclictest1565900-21tune2fs20:10:160
1544503992621,3cyclictest1641890-21latency_hist23:50:010
1544503992617,5cyclictest1655241-21grep00:25:270
1544515992517,4cyclictest1562096-21munin-plugin-st20:00:013
1544515992517,4cyclictest0-21swapper/320:10:163
1544515992516,6cyclictest1627318-21tail23:05:263
1544515992514,7cyclictest0-21swapper/321:40:253
1544512992519,4cyclictest1656948-21unixbench_multi00:30:292
1544512992519,4cyclictest1576605-21fschecks_time20:40:202
1544512992516,7cyclictest311ktimers/223:20:062
1544512992516,6cyclictest0-21swapper/222:35:012
1544512992516,6cyclictest0-21swapper/221:20:152
1544512992514,6cyclictest0-21swapper/223:05:012
1544507992518,4cyclictest1651874-21grep00:15:271
1544507992518,3cyclictest0-21swapper/121:10:241
1544507992515,5cyclictest1610060-21head22:15:271
1544503992519,3cyclictest0-21swapper/019:35:190
1544503992517,5cyclictest0-21swapper/023:40:260
1544503992516,6cyclictest1572074-21grep20:25:260
1544515992418,3cyclictest1589818-21kthreadd21:20:003
1544515992418,3cyclictest0-21swapper/321:05:253
1544515992417,5cyclictest1634710-21kworker/u8:2+events_unbound23:32:243
1544515992416,5cyclictest391ktimers/320:20:253
1544515992416,4cyclictest0-21swapper/300:30:203
1544512992416,5cyclictest0-21swapper/222:05:272
1544512992416,5cyclictest0-21swapper/220:20:242
154450799242,4cyclictest131rcu_preempt19:35:001
1544507992418,4cyclictest1641819-21kworker/u8:2+events_unbound23:52:261
1544507992418,3cyclictest0-21swapper/122:25:151
1544507992417,4cyclictest0-21swapper/100:30:281
1544507992413,8cyclictest1550533-21grep19:25:171
1544507992413,7cyclictest1646726-21grep00:00:281
1544503992416,6cyclictest0-21swapper/022:55:390
1544503992414,7cyclictest1627311-21sed23:05:260
1544503992413,8cyclictest1590870-21wc21:20:250
1544515992317,3cyclictest0-21swapper/322:10:223
1544515992317,3cyclictest0-21swapper/319:25:173
1544515992317,3cyclictest0-21swapper/319:15:153
1544515992316,3cyclictest0-21swapper/323:20:193
1544515992315,6cyclictest391ktimers/322:23:013
1544515992315,5cyclictest391ktimers/323:35:203
1544515992315,4cyclictest0-21swapper/320:40:193
1544515992314,6cyclictest0-21swapper/320:30:223
1544512992317,3cyclictest0-21swapper/220:45:222
1544512992317,3cyclictest0-21swapper/200:25:252
1544512992317,3cyclictest0-21swapper/200:00:212
1544512992315,5cyclictest1629015-21tail23:10:252
1544512992314,6cyclictest0-21swapper/200:20:182
154450799232,5cyclictest131rcu_preempt23:05:141
1544507992316,5cyclictest1608468-21kworker/u8:2+events_unbound22:31:421
1544507992316,4cyclictest0-21swapper/122:05:261
1544507992315,4cyclictest0-21swapper/121:51:591
1544507992314,5cyclictest0-21swapper/123:40:171
1544507992313,7cyclictest1566885-21seq20:11:101
154450399233,16cyclictest1606664-21grep22:05:260
1544503992319,2cyclictest13550irq/42-30be0000.ethernet22:25:130
1544503992316,5cyclictest0-21swapper/023:27:500
1544503992315,5cyclictest0-21swapper/021:10:260
1544503992315,4cyclictest0-21swapper/023:55:000
154450399231,3cyclictest1618133-21ntp_states22:40:220
1544515992216,3cyclictest0-21swapper/300:05:163
1544515992215,4cyclictest391ktimers/300:10:033
1544512992216,3cyclictest0-21swapper/223:45:152
1544512992214,5cyclictest0-21swapper/222:50:162
1544507992216,3cyclictest0-21swapper/123:25:251
1544507992216,3cyclictest0-21swapper/121:40:171
154450399221,19cyclictest0-21swapper/022:36:590
1544515992114,4cyclictest1571218-21fschecks_count20:25:163
1544512992115,3cyclictest0-21swapper/222:45:152
154451299211,17cyclictest1633344-21seq23:25:122
1544507992114,4cyclictest0-21swapper/122:40:271
1544507992114,3cyclictest0-21swapper/122:55:001
154450399211,18cyclictest0-21swapper/020:41:190
154451599209,8cyclictest1563026-21sendmail_mailqu20:00:243
1544512992014,3cyclictest1627310-21tail23:05:272
1544512992013,5cyclictest311ktimers/221:25:262
1544512992012,5cyclictest0-21swapper/220:50:172
1544507992014,3cyclictest0-21swapper/121:25:151
154451599191,11cyclictest0-21swapper/322:43:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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