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2026-07-12 - 00:25

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 Sat Jul 11, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1433354995039,9cyclictest121ktimers/009:35:130
1433367994937,8cyclictest1436855-21grep07:15:293
1433367994840,4cyclictest1454579-21latency_hist08:10:013
1433367994839,4cyclictest1478702-21idleruntime-cro09:20:013
1433359994733,11cyclictest231ktimers/110:20:111
1433362994437,4cyclictest1466523-21apt-get08:45:012
1433362994432,9cyclictest1478705-21idleruntime-cro09:20:002
1433362994424,12cyclictest131rcu_preempt12:15:122
1433362994330,9cyclictest311ktimers/210:55:132
1433359994335,5cyclictest1508092-21apt-get10:45:001
1433367994233,6cyclictest208-21systemd-logind10:36:133
1433359994233,5cyclictest0-21swapper/111:39:591
1433367994033,5cyclictest1456005-21kworker/u8:2+events_unbound08:30:403
1433367994028,9cyclictest1450707-21grep07:55:283
1433367994015,9cyclictest131rcu_preempt10:30:123
1433362994032,4cyclictest0-21swapper/211:46:232
1433354994028,10cyclictest121ktimers/011:35:120
1433367993931,5cyclictest1466535-21munin-plugin-st08:45:003
1433362993931,4cyclictest0-21swapper/207:35:212
1433362993923,6cyclictest1464747-21kworker/u8:0+events_unbound08:50:162
1433362993923,6cyclictest1464747-21kworker/u8:0+events_unbound08:50:162
1433359993931,4cyclictest0-21swapper/112:00:001
1433354993932,4cyclictest1449251-21munin-plugin-st07:55:000
1433354993916,10cyclictest131rcu_preempt08:10:120
1433367993830,6cyclictest1515227-21kworker/u8:2+events_unbound11:11:183
1433367993829,4cyclictest0-21swapper/312:19:593
1433362993822,4cyclictest1539407-21kworker/u8:0+events_unbound12:24:422
1433359993830,5cyclictest1489125-21munin-run09:50:001
1433359993830,5cyclictest1449218-21kworker/u8:3+events_unbound07:55:241
1433359993829,5cyclictest0-21swapper/109:35:011
1433354993830,6cyclictest1494250-21munin-plugin-st10:05:010
1433367993715,7cyclictest131rcu_preempt09:35:123
1433362993728,6cyclictest1459285-21unixbench_singl08:20:252
1433362993727,6cyclictest0-21swapper/210:00:012
1433362993723,11cyclictest311ktimers/212:30:152
1433359993729,4cyclictest0-21swapper/110:00:541
1433359993728,7cyclictest1544556-21unixbench_singl12:25:251
1433367993627,6cyclictest1544960-21sh12:30:003
1433367993626,7cyclictest1511822-21apt-config10:55:003
1433367993624,7cyclictest0-21swapper/307:45:283
1433367993613,8cyclictest131rcu_preempt09:00:113
1433367993612,4cyclictest0-21swapper/311:30:133
1433362993627,6cyclictest0-21swapper/208:05:262
1433367993527,4cyclictest0-21swapper/310:10:283
1433367993526,4cyclictest0-21swapper/311:25:263
1433367993526,4cyclictest0-21swapper/311:25:253
1433367993516,5cyclictest1463008-21kworker/u8:1+events_unbound08:37:343
1433367993514,8cyclictest40-21ksoftirqd/307:25:113
1433362993528,4cyclictest1508129-21latency_hist10:45:012
1433359993529,4cyclictest1464813-21grep08:40:001
1433359993525,6cyclictest0-21swapper/109:10:001
1433359993523,8cyclictest0-21swapper/108:45:281
1433354993525,6cyclictest0-21swapper/007:20:000
1433367993426,5cyclictest1444124-21sh07:40:013
1433367993424,5cyclictest0-21swapper/310:45:013
1433362993426,4cyclictest0-21swapper/208:10:172
1433362993425,6cyclictest0-21swapper/210:55:012
1433362993424,6cyclictest0-21swapper/211:10:002
1433362993423,8cyclictest1475251-21cron09:09:592
1433362993418,6cyclictest1466504-21kworker/u8:2+events_unbound08:45:262
1433359993425,6cyclictest0-21swapper/109:55:001
1433367993325,4cyclictest0-21swapper/309:45:483
1433367993324,4cyclictest1441944-21tail07:30:273
1433367993323,7cyclictest1458001-21sendmail08:19:593
1433367993315,6cyclictest1485332-21kworker/u8:0+events_unbound09:40:413
1433362993325,5cyclictest0-21swapper/210:05:002
1433362993323,6cyclictest0-21swapper/211:04:592
1433362993322,7cyclictest1486988-21unixbench_singl09:40:262
1433359993327,4cyclictest1440587-21kworker/u8:1+events_unbound07:30:201
1433359993325,4cyclictest1492525-21cron10:00:011
1433359993324,6cyclictest0-21swapper/110:25:261
1433359993324,5cyclictest0-21swapper/110:55:171
1433359993322,7cyclictest0-21swapper/108:15:261
1433354993324,5cyclictest1510400-21fschecks_count10:50:160
1433367993224,4cyclictest0-21swapper/311:05:173
1433367993224,4cyclictest0-21swapper/308:20:263
143336799321,6cyclictest0-21swapper/311:50:133
1433367993214,5cyclictest131rcu_preempt08:00:123
1433362993225,4cyclictest0-21swapper/211:30:172
1433362993222,6cyclictest0-21swapper/210:30:012
1433359993221,7cyclictest0-21swapper/109:00:001
1433359993221,7cyclictest0-21swapper/109:00:001
1433354993223,6cyclictest1480600-21auditctl09:25:000
1433354993223,5cyclictest0-21swapper/010:35:010
1433354993222,6cyclictest0-21swapper/010:45:020
1433367993124,4cyclictest1468439-21kthreadd08:50:003
1433367993123,4cyclictest0-21swapper/309:30:443
1433367993123,4cyclictest0-21swapper/309:30:003
1433367993122,4cyclictest0-21swapper/311:40:173
1433362993123,4cyclictest0-21swapper/209:05:002
1433362993119,9cyclictest204-21dbus-daemon07:20:182
1433362993117,6cyclictest1534153-21kworker/u8:2+events_unbound12:13:342
1433359993121,7cyclictest0-21swapper/109:20:001
1433359993121,6cyclictest0-21swapper/112:10:261
1433359993121,6cyclictest0-21swapper/110:35:251
1433359993121,5cyclictest0-21swapper/109:25:431
1433359993120,8cyclictest1504670-21sh10:35:011
1433359993120,8cyclictest1499564-21idleruntime-cro10:20:001
1433359993120,7cyclictest0-21swapper/107:15:011
1433354993125,3cyclictest1534506-21kthreadd12:00:010
1433354993124,4cyclictest1444132-21idleruntime-cro07:40:010
1433354993123,4cyclictest1451183-21idleruntime-cro08:00:010
143336799308,12cyclictest1515227-21kworker/u8:2-events_unbound11:18:353
1433367993023,5cyclictest1478534-21kworker/u8:0+events_unbound09:20:443
1433367993022,4cyclictest0-21swapper/312:30:273
1433367993017,4cyclictest131rcu_preempt09:05:203
1433367993014,4cyclictest131rcu_preempt10:49:203
143336299303,3cyclictest131rcu_preempt09:35:122
1433362993022,5cyclictest0-21swapper/209:50:272
1433362993021,6cyclictest1461838-21tune2fs08:30:162
1433362993018,8cyclictest1536223-21apt12:05:002
1433362993018,5cyclictest1539407-21kworker/u8:0+events_unbound12:27:362
1433359993020,7cyclictest0-21swapper/110:45:161
1433359993020,7cyclictest0-21swapper/108:25:251
1433359993020,6cyclictest0-21swapper/111:10:251
1433354993024,3cyclictest0-21swapper/007:10:270
1433354993022,6cyclictest1542315-21ntp_kernel_err12:20:220
1433354993020,6cyclictest0-21swapper/008:00:260
143336799299,11cyclictest0-21swapper/307:10:053
1433367992921,4cyclictest0-21swapper/312:40:003
1433367992919,7cyclictest1449501-21ls07:55:003
143336799291,8cyclictest1433345-21cyclictest08:50:123
143336799291,8cyclictest1433345-21cyclictest08:50:123
1433367992913,11cyclictest204-21dbus-daemon10:00:533
1433362992923,3cyclictest1440717-21kthreadd07:30:002
1433362992923,3cyclictest0-21swapper/207:20:012
1433362992922,5cyclictest1456005-21kworker/u8:2+events_unbound08:38:062
1433362992922,4cyclictest0-21swapper/210:20:152
1433362992918,6cyclictest0-21swapper/207:30:262
143336299291,4cyclictest0-21swapper/211:10:122
1433362992912,3cyclictest131rcu_preempt11:55:122
1433359992922,3cyclictest0-21swapper/107:20:001
1433359992921,6cyclictest1515227-21kworker/u8:2+events_unbound11:21:181
1433359992919,6cyclictest0-21swapper/111:20:001
1433359992919,6cyclictest0-21swapper/108:20:161
1433354992922,4cyclictest1468441-21ls08:50:010
1433354992922,4cyclictest0-21swapper/012:30:130
1433354992921,4cyclictest0-21swapper/012:14:590
1433354992921,4cyclictest0-21swapper/009:10:270
143336799289,11cyclictest40-21ksoftirqd/309:10:173
1433367992822,4cyclictest1489339-21kworker/u8:3+events_unbound10:09:433
1433367992820,6cyclictest391ktimers/310:55:033
1433367992812,5cyclictest131rcu_preempt12:20:123
1433362992820,5cyclictest0-21swapper/207:50:162
143336299281,4cyclictest131rcu_preempt09:45:152
143336299280,4cyclictest131rcu_preempt11:50:112
1433359992821,3cyclictest0-21swapper/107:30:011
1433359992820,5cyclictest1447528-21cron07:50:011
1433359992820,4cyclictest0-21swapper/112:10:001
1433359992820,4cyclictest0-21swapper/108:05:001
1433359992818,6cyclictest0-21swapper/111:45:001
1433359992814,10cyclictest231ktimers/110:05:131
143335499286,3cyclictest131rcu_preempt09:05:120
1433354992821,4cyclictest0-21swapper/008:50:250
1433354992821,4cyclictest0-21swapper/008:50:250
1433354992820,4cyclictest1528741-21tail11:40:270
1433367992721,4cyclictest1497528-21kworker/u8:0+events_unbound10:29:413
1433367992720,4cyclictest0-21swapper/311:20:243
1433367992719,4cyclictest1444937-21sshd07:40:223
1433367992716,7cyclictest1492092-21grep09:55:253
1433367992712,4cyclictest131rcu_preempt09:50:163
1433367992710,6cyclictest40-21ksoftirqd/312:10:253
1433362992721,4cyclictest1515227-21kworker/u8:2+events_unbound11:18:322
1433362992720,5cyclictest1454281-21kworker/u8:1+events_unbound08:15:162
1433362992719,5cyclictest0-21swapper/207:40:172
1433362992718,5cyclictest0-21swapper/208:05:012
1433362992715,8cyclictest204-21dbus-daemon11:36:222
1433359992721,4cyclictest645-21runrttasks08:50:161
1433359992721,4cyclictest645-21runrttasks08:50:151
1433359992718,6cyclictest1448402-21proc_pri07:50:241
1433359992718,6cyclictest0-21swapper/109:10:271
1433354992723,2cyclictest13550irq/42-30be0000.ethernet09:00:190
1433354992720,3cyclictest0-21swapper/010:10:000
1433354992718,6cyclictest0-21swapper/011:20:000
1433354992716,8cyclictest204-21dbus-daemon11:26:170
1433354992716,8cyclictest204-21dbus-daemon11:26:170
1433367992620,4cyclictest1437102-21kworker/u8:0+events_unbound07:21:503
1433367992619,4cyclictest1455874-21grep08:10:263
1433367992619,4cyclictest0-21swapper/311:55:263
1433367992618,4cyclictest1514908-21grep11:00:263
1433367992618,4cyclictest1501285-21idleruntime-cro10:25:003
1433367992615,8cyclictest1471871-21basename09:00:013
1433367992615,8cyclictest1471871-21basename09:00:013
1433362992620,4cyclictest1480493-21kworker/u8:2+events_unbound09:24:252
1433362992620,3cyclictest0-21swapper/209:30:152
1433362992616,7cyclictest1447115-21grep07:45:292
1433359992616,7cyclictest0-21swapper/111:50:011
1433359992616,6cyclictest0-21swapper/112:35:001
1433354992621,3cyclictest1548378-21idleruntime-cro12:40:000
1433354992620,3cyclictest0-21swapper/010:50:000
1433354992620,3cyclictest0-21swapper/007:25:000
1433354992619,4cyclictest1499560-21munin-plugin-st10:20:000
1433354992619,4cyclictest0-21swapper/007:45:270
1433354992618,6cyclictest1485332-21kworker/u8:0+events_unbound09:45:480
1433354992618,6cyclictest1460099-21fschecks_count08:25:160
1433354992617,5cyclictest0-21swapper/011:21:160
1433354992615,6cyclictest0-21swapper/012:20:010
143336799254,11cyclictest1430185-21kworker/3:0-pm12:00:063
143336299257,10cyclictest32-21ksoftirqd/211:20:262
1433362992519,4cyclictest1482254-21kworker/u8:0+events_unbound09:29:362
1433362992518,5cyclictest1522041-21kworker/u8:1+events_unbound11:25:342
1433362992518,5cyclictest1522041-21kworker/u8:1+events_unbound11:25:342
1433362992518,4cyclictest1434532-21tail07:10:272
1433362992517,6cyclictest311ktimers/207:55:052
1433362992517,6cyclictest1528656-21timerwakeupswit11:40:282
1433362992517,5cyclictest0-21swapper/210:10:282
1433362992516,6cyclictest1547927-21grep12:35:262
1433359992519,4cyclictest1515227-21kworker/u8:2+events_unbound11:06:151
1433359992517,5cyclictest0-21swapper/110:55:011
1433359992517,4cyclictest0-21swapper/111:25:271
1433359992517,4cyclictest0-21swapper/111:25:271
1433359992517,4cyclictest0-21swapper/108:10:331
1433359992516,6cyclictest0-21swapper/108:05:231
1433359992516,6cyclictest0-21swapper/107:20:171
143335499257,8cyclictest131rcu_preempt09:15:130
1433354992519,3cyclictest0-21swapper/011:30:180
1433354992518,4cyclictest0-21swapper/011:50:250
1433354992517,5cyclictest0-21swapper/008:40:000
1433354992517,4cyclictest0-21swapper/009:30:160
1433354992516,6cyclictest0-21swapper/009:45:010
1433354992515,7cyclictest1466530-21ls08:45:000
1433354992515,7cyclictest0-21swapper/011:50:010
1433354992514,7cyclictest0-21swapper/010:40:010
143336799243,6cyclictest1527671-21latency_hist11:40:013
1433367992418,3cyclictest0-21swapper/308:25:163
1433362992418,4cyclictest1507846-21kworker/u8:2+events_unbound10:45:022
1433362992418,4cyclictest1471490-21kworker/u8:1+events_unbound09:10:012
1433362992418,4cyclictest1459472-21kworker/u8:1+events_unbound08:26:092
1433362992417,4cyclictest0-21swapper/210:15:272
1433362992416,4cyclictest0-21swapper/210:35:252
1433362992413,7cyclictest1495670-21grep10:05:262
1433359992417,4cyclictest0-21swapper/108:30:151
1433359992413,7cyclictest0-21swapper/112:20:271
1433354992418,3cyclictest0-21swapper/010:25:170
1433354992418,3cyclictest0-21swapper/008:05:250
1433354992417,4cyclictest1438868-21kworker/u8:2+events_unbound07:25:190
1433354992417,4cyclictest13850irq/36-mmc109:30:000
1433354992417,3cyclictest0-21swapper/011:07:200
1433354992415,5cyclictest0-21swapper/012:09:530
143335499241,19cyclictest0-21swapper/008:55:330
143335499241,19cyclictest0-21swapper/008:55:320
143335499241,19cyclictest0-21swapper/008:31:340
143335499240,21cyclictest1491544-21sed09:55:200
1433367992317,4cyclictest1489339-21kworker/u8:3+events_unbound10:19:473
1433367992316,3cyclictest0-21swapper/312:05:263
1433362992318,3cyclictest1536503-21cpu12:05:152
1433362992316,5cyclictest1471490-21kworker/u8:1+events_unbound08:56:202
1433362992316,5cyclictest1471490-21kworker/u8:1+events_unbound08:56:202
1433359992317,3cyclictest0-21swapper/107:35:201
1433359992316,5cyclictest1471490-21kworker/u8:1+events_unbound09:00:221
1433359992315,6cyclictest1442333-21kworker/u8:2+events_unbound07:40:221
1433359992314,5cyclictest1541321-21cron12:20:001
1433359992313,4cyclictest1502711-21kworker/u8:1+events_unbound11:00:181
143335499231,9cyclictest1499921-21diskstats10:20:130
1433354992318,3cyclictest13550irq/42-30be0000.ethernet07:40:150
1433354992316,3cyclictest0-21swapper/008:15:470
1433354992315,6cyclictest1534153-21kworker/u8:2+events_unbound12:01:280
1433354992312,8cyclictest1518306-21awk11:10:260
143335499231,19cyclictest0-21swapper/007:34:580
143335499230,21cyclictest0-21swapper/010:55:190
143335499230,19cyclictest0-21swapper/010:11:010
1433362992216,4cyclictest1502711-21kworker/u8:1+events_unbound10:30:042
1433359992216,3cyclictest0-21swapper/112:00:251
1433359992215,4cyclictest0-21swapper/109:35:191
1433359992214,6cyclictest1541181-21kworker/u8:1+events_unbound12:35:141
1433359992213,6cyclictest0-21swapper/108:40:251
143335499221,17cyclictest0-21swapper/011:01:120
143335499220,18cyclictest0-21swapper/009:52:210
1433359992115,3cyclictest0-21swapper/111:50:231
1433359992113,5cyclictest0-21swapper/109:20:151
1433359992111,7cyclictest1486417-21sed09:40:211
143335999211,12cyclictest0-21swapper/110:10:181
1433354992114,5cyclictest1541181-21kworker/u8:1+events_unbound12:26:290
1433359992012,6cyclictest0-21swapper/111:30:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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