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2025-12-07 - 04:34

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 792 highest latencies:
System rackbslot5s.osadl.org (updated Sun Dec 07, 2025 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1455301996041,15cyclictest1466269-21idleruntime-cro19:40:003
1455287995326,22cyclictest0-21swapper/021:25:260
1455287995326,22cyclictest0-21swapper/021:25:260
1455301995222,26cyclictest391ktimers/321:00:143
1455296995135,13cyclictest311ktimers/222:45:132
145528799501,9cyclictest1536845-21munin-node23:05:110
1455287994821,23cyclictest0-21swapper/022:35:130
1455301994716,6cyclictest1551558-21grep23:45:263
1455301994616,4cyclictest1467953-21cron19:45:003
1455290994512,3cyclictest0-21swapper/123:50:231
1455301994436,4cyclictest0-21swapper/323:00:003
1455290994417,24cyclictest0-21swapper/100:20:241
1455287994415,3cyclictest0-21swapper/023:40:020
1455287994413,6cyclictest1502371-21date21:25:000
1455301994315,5cyclictest0-21swapper/320:35:033
1455290994335,4cyclictest0-21swapper/121:42:541
1455290994314,6cyclictest1534002-21sh22:55:241
1455296994228,11cyclictest311ktimers/222:55:132
145529099429,8cyclictest1456897-21seq19:12:351
1455290994236,3cyclictest1569493-21gpgv00:40:001
1455290994211,7cyclictest1531011-21grep22:45:251
1455287994216,3cyclictest0-21swapper/023:50:000
1455301994132,4cyclictest0-21swapper/323:38:153
145529099411,9cyclictest1484777-21grep20:30:281
1455290994112,5cyclictest0-21swapper/123:20:051
1455287994130,6cyclictest1461129-21cron19:25:000
1455287994113,6cyclictest0-21swapper/019:50:270
1455287994113,4cyclictest1454354-1kworker/0:1H+mmc_complete21:40:000
1455301994032,5cyclictest215-21dbus-daemon20:22:393
145529099408,9cyclictest1521687-21fschecks_time22:20:171
1455290994018,19cyclictest0-21swapper/121:30:231
1455290994013,3cyclictest1539925-21sh23:14:001
1455290994012,5cyclictest1469394-21seq19:46:581
1455290994011,3cyclictest0-21swapper/121:30:001
1455290994011,3cyclictest0-21swapper/121:30:001
145529099401,11cyclictest1458958-21grep19:15:251
1455287994032,4cyclictest0-21swapper/020:40:010
1455301993931,4cyclictest0-21swapper/320:00:013
145529099391,9cyclictest1548537-21cron23:40:001
1455290993917,19cyclictest0-21swapper/119:20:261
1455290993916,19cyclictest0-21swapper/120:00:011
1455290993915,21cyclictest0-21swapper/100:00:011
1455290993914,2cyclictest0-21swapper/120:20:251
1455290993914,22cyclictest0-21swapper/122:15:011
1455290993913,3cyclictest1555835-21/usr/sbin/munin00:00:221
1455290993913,3cyclictest0-21swapper/119:45:001
1455290993911,5cyclictest0-21swapper/122:15:211
145528799393,6cyclictest0-21swapper/019:10:010
1455287993931,5cyclictest299-21systemd-logind23:18:130
1455301993830,4cyclictest0-21swapper/320:30:003
145529099389,4cyclictest0-21swapper/119:50:221
1455290993813,4cyclictest1514437-21sendmail22:00:001
1455290993813,3cyclictest1495863-21fschecks_count21:05:171
1455290993813,22cyclictest0-21swapper/121:20:231
1455290993812,3cyclictest1461522-21fschecks_count19:25:171
1455290993812,3cyclictest1461522-21fschecks_count19:25:171
145529099381,11cyclictest1475421-21wc20:05:191
1455290993810,5cyclictest1478252-21cat20:15:011
1455287993817,2cyclictest0-21swapper/019:40:200
145529099378,5cyclictest1567861-21cat00:35:001
1455290993712,6cyclictest1540331-21cat23:15:181
1455290993712,5cyclictest231ktimers/100:08:111
1455290993712,3cyclictest637-21runrttasks20:00:161
1455290993711,5cyclictest0-21swapper/121:00:011
145529099371,14cyclictest1560697-21cron00:15:001
145529099371,13cyclictest1500158-21head21:15:281
145529099371,12cyclictest1488629-21cron20:45:011
145529099371,10cyclictest1515310-21ps22:00:261
145529099371,10cyclictest1492029-21cron20:55:001
1455290993628,4cyclictest0-21swapper/123:45:161
1455290993626,6cyclictest0-21swapper/123:35:001
1455290993626,6cyclictest0-21swapper/121:15:001
1455290993611,4cyclictest1528773-21seq22:40:201
1455287993626,6cyclictest1542993-21grep23:20:260
1455301993528,4cyclictest0-21swapper/320:55:283
1455301993525,6cyclictest1520831-21grep22:15:263
1455296993527,4cyclictest1492411-21fschecks_count20:55:182
1455290993522,8cyclictest0-21swapper/122:28:041
1455290993513,2cyclictest0-21swapper/123:25:241
145529099351,11cyclictest1479427-21tail20:15:271
1455290993510,7cyclictest1482573-21basename20:25:241
1455287993527,4cyclictest0-21swapper/021:20:000
1455301993426,5cyclictest1569476-21idleruntime-cro00:40:003
1455296993424,6cyclictest0-21swapper/223:55:242
1455296993410,6cyclictest32-21ksoftirqd/220:00:012
1455290993414,4cyclictest231ktimers/122:36:241
1455290993412,5cyclictest1565037-21ls00:25:231
1455290993412,5cyclictest1565037-21ls00:25:231
145529099341,11cyclictest1517840-21cron22:10:011
1455287993424,6cyclictest0-21swapper/023:55:240
145529699338,5cyclictest32-21ksoftirqd/219:20:012
1455290993325,5cyclictest1510557-21unixbench_multi21:45:251
1455290993325,5cyclictest0-21swapper/123:05:001
1455290993314,3cyclictest0-21swapper/122:30:211
1455290993314,3cyclictest0-21swapper/122:30:211
145529099331,11cyclictest1486913-21cron20:40:011
1455287993322,8cyclictest1536613-21auditctl23:05:000
1455301993225,4cyclictest0-21swapper/319:25:263
1455301993225,4cyclictest0-21swapper/319:25:263
1455301993225,3cyclictest0-21swapper/321:10:003
1455301993221,7cyclictest1524192-21grep22:25:283
1455296993210,7cyclictest32-21ksoftirqd/220:50:172
1455290993222,6cyclictest1549793-21grep23:40:261
145529099321,8cyclictest1532774-21grep22:50:251
1455290993211,4cyclictest1511465-21fschecks_time21:50:181
1455287993224,4cyclictest0-21swapper/022:35:000
1455287993224,4cyclictest0-21swapper/022:35:000
1455287993224,4cyclictest0-21swapper/019:15:260
1455287993223,6cyclictest0-21swapper/000:25:000
1455287993222,6cyclictest0-21swapper/022:15:000
1455301993122,6cyclictest1459410-21sh19:20:003
1455301993122,5cyclictest0-21swapper/323:30:283
1455301993121,6cyclictest0-21swapper/321:50:273
1455296993121,6cyclictest0-21swapper/220:45:282
1455296993119,9cyclictest1504219-21/usr/sbin/munin21:30:142
1455296993111,5cyclictest32-21ksoftirqd/223:30:192
1455296993110,6cyclictest32-21ksoftirqd/223:40:262
1455296993110,6cyclictest32-21ksoftirqd/220:40:242
1455290993121,6cyclictest1506965-21grep21:35:251
1455287993123,4cyclictest0-21swapper/023:50:260
1455287993122,6cyclictest1564805-21tune2fs00:25:200
1455287993122,6cyclictest1564805-21tune2fs00:25:190
145530199306,4cyclictest1524986-21cpuspeed22:30:143
145530199306,4cyclictest1524986-21cpuspeed22:30:143
1455301993024,3cyclictest0-21swapper/321:25:263
1455301993024,3cyclictest0-21swapper/321:25:263
1455301993023,4cyclictest1522983-21munin-plugin-st22:25:003
1455301993023,4cyclictest0-21swapper/321:40:263
1455296993022,4cyclictest0-21swapper/220:05:262
1455296993022,4cyclictest0-21swapper/219:30:272
1455287993024,3cyclictest0-21swapper/022:50:190
1455287993022,4cyclictest0-21swapper/000:15:170
1455301992922,4cyclictest1492049-21munin-plugin-st20:55:013
1455301992922,4cyclictest0-21swapper/320:40:023
1455301992922,4cyclictest0-21swapper/300:00:263
1455301992922,3cyclictest0-21swapper/319:30:173
1455301992921,5cyclictest1487330-21fschecks_count20:40:193
1455301992921,4cyclictest0-21swapper/322:50:253
1455301992921,4cyclictest0-21swapper/300:15:273
1455301992915,10cyclictest1469203-21grep19:45:273
145529699299,13cyclictest131rcu_preempt22:03:382
1455296992921,5cyclictest0-21swapper/223:30:002
1455296992919,6cyclictest0-21swapper/221:40:002
1455296992916,3cyclictest131rcu_preempt22:29:002
1455296992911,5cyclictest32-21ksoftirqd/220:25:182
1455296992911,5cyclictest32-21ksoftirqd/219:50:162
1455296992910,5cyclictest32-21ksoftirqd/220:20:272
1455290992912,4cyclictest231ktimers/100:15:201
1455287992922,3cyclictest0-21swapper/021:00:000
1455287992919,6cyclictest0-21swapper/021:10:280
1455287992918,9cyclictest121ktimers/020:15:140
1455287992918,7cyclictest1531075-21grep22:45:260
1455301992822,3cyclictest0-21swapper/322:40:173
1455301992821,4cyclictest0-21swapper/300:30:173
1455301992820,5cyclictest1553455-21unixbench_singl23:50:273
1455301992820,5cyclictest0-21swapper/321:25:003
145529699289,5cyclictest0-21swapper/219:45:252
145529699287,12cyclictest32-21ksoftirqd/221:10:162
1455296992821,4cyclictest1551969-21sh23:50:002
1455296992817,4cyclictest131rcu_preempt21:50:182
1455296992810,5cyclictest32-21ksoftirqd/222:10:192
1455296992810,5cyclictest32-21ksoftirqd/219:35:142
1455287992822,3cyclictest0-21swapper/023:25:150
1455287992822,3cyclictest0-21swapper/021:50:270
1455287992820,3cyclictest0-21swapper/022:25:180
1455287992818,6cyclictest1556884-21grep00:00:260
1455287992818,6cyclictest0-21swapper/020:20:260
1455287992817,8cyclictest1490774-21tune2fs20:50:180
1455287992817,7cyclictest1495038-21grep21:00:270
1455287992816,7cyclictest1489084-21fschecks_time20:45:190
1455301992721,4cyclictest391ktimers/319:50:153
1455301992720,3cyclictest0-21swapper/322:05:203
1455301992719,5cyclictest0-21swapper/321:50:013
1455301992716,8cyclictest1566040-21apt00:30:003
1455301992716,8cyclictest1566040-21apt00:30:003
145529699279,5cyclictest32-21ksoftirqd/222:05:212
145529699279,4cyclictest32-21ksoftirqd/219:45:002
1455296992720,4cyclictest0-21swapper/223:35:272
1455296992720,4cyclictest0-21swapper/222:45:002
1455296992720,4cyclictest0-21swapper/222:30:262
1455296992720,4cyclictest0-21swapper/222:30:262
1455296992720,3cyclictest0-21swapper/219:10:262
1455296992717,6cyclictest1462840-21ls19:30:002
1455296992717,6cyclictest1462840-21ls19:30:002
1455296992717,4cyclictest131rcu_preempt23:23:452
1455296992713,4cyclictest131rcu_preempt21:58:222
1455290992720,4cyclictest1455278-21cyclictest19:30:271
1455287992720,3cyclictest0-21swapper/022:00:240
1455287992719,5cyclictest13650irq/42-30be0000.ethernet21:45:010
1455287992718,6cyclictest1549798-21grep23:40:260
1455287992717,7cyclictest1474306-21grep20:00:270
145529699269,9cyclictest131rcu_preempt23:09:342
1455296992619,4cyclictest1522521-21unixbench_multi22:20:272
1455296992619,4cyclictest0-21swapper/200:15:272
1455296992618,5cyclictest0-21swapper/220:30:272
1455296992618,4cyclictest0-21swapper/200:35:002
1455296992612,4cyclictest131rcu_preempt20:11:482
1455296992611,6cyclictest32-21ksoftirqd/223:50:232
1455296992610,9cyclictest131rcu_preempt00:10:532
1455290992619,3cyclictest0-21swapper/123:05:171
1455287992621,3cyclictest13650irq/42-30be0000.ethernet20:40:300
1455287992618,5cyclictest0-21swapper/023:00:010
1455287992618,4cyclictest0-21swapper/022:05:170
145528799261,21cyclictest0-21swapper/020:09:070
1455301992519,3cyclictest0-21swapper/323:25:003
1455301992517,4cyclictest0-21swapper/321:10:193
1455301992516,6cyclictest0-21swapper/320:20:003
1455301992516,5cyclictest0-21swapper/300:05:283
145529699258,10cyclictest131rcu_preempt00:21:592
145529699258,10cyclictest131rcu_preempt00:00:162
1455296992518,5cyclictest1448105-21kworker/2:1-events22:51:342
1455296992518,4cyclictest0-21swapper/222:35:152
1455296992517,4cyclictest1568183-21fschecks_time00:35:162
1455296992513,10cyclictest1510933-21cron21:49:002
145529699251,15cyclictest0-21swapper/223:11:222
1455296992511,11cyclictest1565609-21/usr/sbin/munin00:25:332
1455296992511,11cyclictest1565609-21/usr/sbin/munin00:25:332
1455296992511,11cyclictest1478693-21/usr/sbin/munin20:15:192
1455296992510,4cyclictest32-21ksoftirqd/223:15:242
1455287992519,3cyclictest0-21swapper/000:10:000
1455287992518,3cyclictest0-21swapper/022:15:260
1455287992515,7cyclictest1529831-21date22:45:000
145528799251,21cyclictest1568060-21awk00:35:130
1455301992418,3cyclictest0-21swapper/323:40:203
1455301992417,5cyclictest1506841-21ls21:35:253
1455301992415,6cyclictest1554199-21sort23:55:133
1455301992415,6cyclictest0-21swapper/323:10:003
1455301992414,7cyclictest0-21swapper/323:20:003
1455301992413,8cyclictest1518255-21cut22:10:203
145530199241,20cyclictest1563725-21grep00:20:263
145529699249,8cyclictest131rcu_preempt22:18:192
145529699247,10cyclictest131rcu_preempt20:03:572
145529699243,5cyclictest32-21ksoftirqd/221:00:232
145529699242,5cyclictest32-21ksoftirqd/223:01:022
1455296992418,3cyclictest0-21swapper/221:15:162
1455296992417,4cyclictest0-21swapper/219:20:262
1455296992414,6cyclictest0-21swapper/221:20:232
1455296992414,3cyclictest131rcu_preempt21:28:572
1455296992414,3cyclictest131rcu_preempt21:28:572
1455296992413,2cyclictest131rcu_preempt21:42:442
1455296992412,9cyclictest1557880-21/usr/sbin/munin00:05:202
145529699241,13cyclictest0-21swapper/220:36:452
1455290992416,4cyclictest0-21swapper/119:35:171
1455287992416,4cyclictest0-21swapper/019:55:270
1455287992415,6cyclictest1504945-21grep21:30:290
145528799241,3cyclictest1468304-21df_inode19:45:160
145528799241,21cyclictest0-21swapper/019:10:030
145528799241,19cyclictest0-21swapper/023:31:000
145530199236,13cyclictest1476270-21sshd20:07:373
145530199232,14cyclictest440-21cron20:15:013
1455301992315,4cyclictest0-21swapper/323:00:263
1455290992317,3cyclictest0-21swapper/120:45:181
145528799232,5cyclictest1496674-21grep21:05:260
1455287992318,2cyclictest0-21swapper/021:45:030
1455287992315,4cyclictest0-21swapper/019:35:170
1455287992314,5cyclictest0-21swapper/020:25:260
1455287992313,7cyclictest1461519-21cut19:25:170
1455287992313,7cyclictest1461519-21cut19:25:170
145530199225,12cyclictest1516159-21grep22:05:003
1455301992217,2cyclictest0-21swapper/321:15:143
1455301992216,3cyclictest0-21swapper/323:25:123
1455301992215,5cyclictest53-21kcompactd022:45:213
1455301992215,4cyclictest1456174-21ntpq19:10:213
1455301992214,5cyclictest0-21swapper/319:20:253
1455301992213,6cyclictest1527388-21ls22:35:233
1455301992212,7cyclictest1513048-21/usr/sbin/munin21:55:133
145529699221,10cyclictest0-21swapper/221:05:082
1455287992216,3cyclictest0-21swapper/020:30:240
1455287992215,3cyclictest0-21swapper/021:56:210
1455287992214,5cyclictest0-21swapper/020:10:200
145528799221,19cyclictest0-21swapper/022:20:130
1455287992210,9cyclictest1464024-21sed19:30:260
1455301992115,3cyclictest0-21swapper/321:31:293
1455301992112,6cyclictest0-21swapper/300:10:273
1455301992111,6cyclictest0-21swapper/323:10:213
1455287992116,2cyclictest0-21swapper/000:10:130
145530199204,11cyclictest1488870-21/usr/sbin/munin20:45:253
1455301991914,3cyclictest1473878-21ntp_states20:00:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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