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2025-12-05 - 20:44

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 Fri Dec 05, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1663125995238,11cyclictest121ktimers/012:25:140
1663139994815,29cyclictest1707233-21fschecks_time10:05:183
1663139994719,24cyclictest0-21swapper/311:40:243
1663139994717,3cyclictest0-21swapper/310:30:003
1663133994638,6cyclictest1730507-21kworker/u8:1+events_unbound11:55:122
1663125994625,16cyclictest13650irq/42-30be0000.ethernet09:30:140
1663139994536,5cyclictest1739408-21munin-plugin-st11:40:003
1663139994520,21cyclictest0-21swapper/312:20:253
1663139994516,3cyclictest0-21swapper/310:35:213
1663139994513,6cyclictest1720006-21grep10:40:233
1663139994412,4cyclictest0-21swapper/311:30:263
1663129994334,5cyclictest1736004-21ls11:30:001
1663139994214,4cyclictest0-21swapper/310:50:253
1663139994213,4cyclictest0-21swapper/312:05:273
1663139994213,4cyclictest0-21swapper/312:05:273
1663125994235,4cyclictest121ktimers/009:10:090
1663133994028,7cyclictest0-21swapper/208:55:202
166312599404,14cyclictest11-21ksoftirqd/012:05:130
166312599404,14cyclictest11-21ksoftirqd/012:05:130
1663139993915,3cyclictest0-21swapper/312:40:003
1663139993915,3cyclictest0-21swapper/312:30:223
1663133993831,5cyclictest1669536-21kworker/u8:0+events_unbound07:44:122
1663133993831,5cyclictest1669536-21kworker/u8:0+events_unbound07:44:122
1663133993830,5cyclictest1713181-21unixbench_singl10:20:252
1663129993829,4cyclictest0-21swapper/109:45:161
1663139993713,4cyclictest0-21swapper/307:55:003
1663129993729,4cyclictest0-21swapper/108:40:011
166312599371,9cyclictest11-21ksoftirqd/011:20:120
1663133993626,7cyclictest440-21cron07:50:002
1663133993625,7cyclictest1749856-21idleruntime-cro12:10:002
1663133993625,7cyclictest1749856-21idleruntime-cro12:10:002
1663129993629,4cyclictest1699961-21cron09:45:011
1663129993628,4cyclictest0-21swapper/108:14:161
1663129993627,4cyclictest0-21swapper/112:00:001
1663129993625,8cyclictest1741724-21cut11:45:181
1663133993527,4cyclictest0-21swapper/209:20:012
1663129993525,7cyclictest0-21swapper/111:40:001
1663125993529,4cyclictest1716765-21kworker/u8:0+events_unbound10:34:470
1663139993426,4cyclictest0-21swapper/309:45:253
1663133993424,6cyclictest0-21swapper/212:40:002
1663129993427,4cyclictest0-21swapper/111:25:001
1663129993427,4cyclictest0-21swapper/109:00:021
1663129993427,4cyclictest0-21swapper/108:35:011
1663129993426,4cyclictest1724063-21munin-plugin-st10:55:011
166312599341,10cyclictest1677532-21cron08:15:010
1663139993325,4cyclictest0-21swapper/311:55:173
1663139993325,4cyclictest0-21swapper/309:30:273
1663133993326,4cyclictest1696340-21latency_hist09:35:012
1663133993324,6cyclictest0-21swapper/207:40:002
1663133993323,6cyclictest0-21swapper/211:15:162
1663125993327,4cyclictest1724039-21kworker/u8:2+events_unbound11:14:540
1663125993325,4cyclictest0-21swapper/011:40:000
1663139993222,7cyclictest0-21swapper/310:50:013
1663133993225,4cyclictest0-21swapper/211:00:012
1663133993224,4cyclictest0-21swapper/211:00:252
166313399321,6cyclictest131rcu_preempt09:55:142
1663129993224,4cyclictest0-21swapper/111:00:161
1663125993220,8cyclictest1704644-21grep09:55:260
1663125993219,9cyclictest1683128-21grep08:40:260
1663139993124,4cyclictest0-21swapper/307:40:003
1663133993124,4cyclictest1708172-21kworker/u8:0+events_unbound10:19:442
1663133993123,4cyclictest0-21swapper/210:50:252
1663133993123,4cyclictest0-21swapper/209:54:382
1663133993118,5cyclictest1662666-21kworker/u8:1+events_unbound07:15:282
1663129993123,4cyclictest0-21swapper/109:15:151
1663125993125,4cyclictest1668124-21kworker/u8:1+events_unbound07:30:020
1663125993123,4cyclictest1757917-21grep12:30:270
1663125993122,7cyclictest1732280-21kworker/u8:0+events_unbound11:19:540
1663125993122,5cyclictest0-21swapper/008:00:010
1663125993120,7cyclictest1713179-21grep10:20:250
1663125993120,3cyclictest131rcu_preempt08:40:020
1663125993110,11cyclictest11-21ksoftirqd/009:20:000
1663139993023,3cyclictest0-21swapper/311:45:173
1663139993022,4cyclictest0-21swapper/309:40:003
1663133993023,4cyclictest0-21swapper/212:20:002
1663133993022,4cyclictest1720008-21head10:40:242
1663133993021,4cyclictest0-21swapper/211:29:542
1663133993020,7cyclictest1664305-21grep07:10:232
166312999308,10cyclictest24-21ksoftirqd/109:50:121
1663129993023,4cyclictest0-21swapper/108:25:151
166312599309,13cyclictest11-21ksoftirqd/010:05:260
166312599303,3cyclictest131rcu_preempt11:45:050
1663125993024,4cyclictest1695994-21kworker/u8:2+events_unbound09:49:390
1663125993024,4cyclictest1695994-21kworker/u8:2+events_unbound09:39:380
1663125993022,4cyclictest0-21swapper/012:35:020
1663125993019,7cyclictest1710194-21awk10:15:000
1663125993010,5cyclictest131rcu_preempt12:21:290
1663125993010,11cyclictest11-21ksoftirqd/010:55:010
166312599300,6cyclictest11-21ksoftirqd/008:25:120
1663133992922,4cyclictest0-21swapper/208:25:012
1663133992921,4cyclictest0-21swapper/212:00:142
1663129992924,3cyclictest1732320-21sh11:17:011
1663129992920,6cyclictest0-21swapper/112:15:161
1663129992919,6cyclictest0-21swapper/107:15:011
166312599299,10cyclictest0-21swapper/011:01:510
166312599298,6cyclictest131rcu_preempt09:30:010
166312599297,10cyclictest0-21swapper/007:13:510
1663125992920,7cyclictest1687452-21kworker/u8:1+events_unbound09:06:330
1663125992920,6cyclictest1706324-21grep10:00:290
1663125992919,6cyclictest1725746-21cron11:00:010
166312599291,3cyclictest0-21swapper/007:40:120
166312599291,3cyclictest0-21swapper/007:40:110
1663125992910,6cyclictest1720240-21kworker/u8:0-events_freezable_power_10:47:490
1663139992820,4cyclictest0-21swapper/310:55:173
1663139992819,4cyclictest0-21swapper/307:25:013
1663139992818,6cyclictest0-21swapper/311:25:003
1663139992817,8cyclictest1678195-21ls08:20:013
166313399281,9cyclictest16937342ntpq09:25:222
1663129992820,4cyclictest0-21swapper/110:00:281
1663129992817,7cyclictest1697784-21grep09:35:231
166312599288,3cyclictest131rcu_preempt10:30:010
1663125992822,4cyclictest1728801-21kworker/u8:0+events_unbound11:06:310
1663125992820,6cyclictest1664466-21kworker/u8:2+events_unbound07:35:460
1663125992816,7cyclictest0-21swapper/007:30:010
1663125992811,9cyclictest131rcu_preempt09:50:230
166312599281,16cyclictest1748147-21cron12:05:000
166312599281,16cyclictest11-21ksoftirqd/012:15:000
1663125992810,3cyclictest0-21swapper/008:32:530
1663139992720,4cyclictest0-21swapper/307:10:233
1663139992720,3cyclictest0-21swapper/310:20:003
1663139992720,3cyclictest0-21swapper/307:30:013
1663139992719,4cyclictest0-21swapper/310:10:223
1663139992717,7cyclictest1751565-21munin-run12:15:003
1663133992722,3cyclictest1674154-21kworker/u8:2+events_unbound07:59:152
1663133992721,3cyclictest0-21swapper/211:40:002
1663133992721,3cyclictest0-21swapper/209:40:002
1663129992719,4cyclictest0-21swapper/112:35:131
1663129992719,4cyclictest0-21swapper/110:40:231
1663129992717,7cyclictest1716610-21grep10:30:291
166312599277,12cyclictest131rcu_preempt10:35:250
1663125992720,4cyclictest1736013-21idleruntime-cro11:30:000
1663125992717,7cyclictest121ktimers/010:40:100
1663125992717,3cyclictest131rcu_preempt09:45:010
1663125992716,8cyclictest1739651-21/usr/sbin/munin11:40:140
1663139992619,3cyclictest0-21swapper/309:20:213
1663139992618,4cyclictest0-21swapper/312:05:003
1663133992620,3cyclictest0-21swapper/211:40:242
1663133992617,6cyclictest1754989-21basename12:25:002
1663133992617,5cyclictest0-21swapper/211:15:002
1663133992614,8cyclictest1701678-21basename09:50:022
1663129992619,4cyclictest1675384-21latency_hist08:05:031
1663129992619,4cyclictest0-21swapper/108:00:011
166312599266,12cyclictest11-21ksoftirqd/009:20:120
166312599265,5cyclictest0-21swapper/011:54:150
1663125992617,7cyclictest1708172-21kworker/u8:0+events_unbound10:16:390
1663125992617,7cyclictest1684145-21kworker/u8:1+events_unbound08:55:300
1663125992615,3cyclictest131rcu_preempt09:05:010
1663125992614,5cyclictest131rcu_preempt11:55:200
1663139992518,3cyclictest0-21swapper/308:10:253
1663139992515,6cyclictest1680551-21basename08:30:013
1663139992514,8cyclictest1712703-21ntp_states10:20:213
1663133992519,3cyclictest0-21swapper/210:40:002
1663133992518,5cyclictest1708172-21kworker/u8:0+events_unbound10:14:432
1663133992518,4cyclictest0-21swapper/212:10:262
1663133992518,4cyclictest0-21swapper/210:30:282
1663129992519,3cyclictest0-21swapper/111:10:221
1663129992519,3cyclictest0-21swapper/110:35:171
1663129992518,4cyclictest0-21swapper/110:55:351
1663129992518,3cyclictest0-21swapper/107:40:241
1663129992518,3cyclictest0-21swapper/107:40:241
1663129992517,6cyclictest1686375-21kworker/u8:0+events_unbound09:34:381
1663129992516,6cyclictest0-21swapper/110:50:011
1663129992514,7cyclictest0-21swapper/110:10:251
166312599258,15cyclictest0-21swapper/011:30:120
166312599254,10cyclictest0-21swapper/007:51:060
1663125992518,5cyclictest1662666-21kworker/u8:1+events_unbound07:16:370
1663125992514,4cyclictest131rcu_preempt08:52:190
166312599250,14cyclictest1684015-21runrttasks08:48:170
1663139992418,3cyclictest0-21swapper/310:30:283
1663139992418,3cyclictest0-21swapper/309:50:163
1663139992416,4cyclictest0-21swapper/307:15:023
1663139992415,6cyclictest1728738-21grep11:05:263
1663139992415,5cyclictest0-21swapper/309:40:253
1663139992415,5cyclictest0-21swapper/308:55:143
1663139992414,6cyclictest391ktimers/311:00:213
1663133992417,4cyclictest0-21swapper/212:30:012
1663133992417,3cyclictest0-21swapper/212:35:002
1663129992418,3cyclictest1672307-21latency_hist07:50:011
1663129992417,5cyclictest1668124-21kworker/u8:1+events_unbound07:34:111
1663129992417,3cyclictest0-21swapper/108:50:011
1663129992415,5cyclictest0-21swapper/111:05:261
1663129992415,5cyclictest0-21swapper/110:25:261
1663129992414,7cyclictest1757144-21tune2fs12:30:171
166312599247,10cyclictest11-21ksoftirqd/012:15:120
1663125992418,4cyclictest1669536-21kworker/u8:0+events_unbound07:46:410
1663125992418,3cyclictest0-21swapper/008:10:000
1663125992415,7cyclictest1665794-21kworker/u8:0+events_unbound07:22:420
1663139992317,3cyclictest0-21swapper/307:45:003
1663139992317,3cyclictest0-21swapper/307:45:003
1663139992313,7cyclictest1743614-21cut11:50:193
1663133992317,3cyclictest0-21swapper/211:45:212
1663133992316,3cyclictest0-21swapper/211:55:002
1663133992316,3cyclictest0-21swapper/208:50:012
1663133992315,4cyclictest0-21swapper/211:20:162
1663133992310,9cyclictest215-21dbus-daemon11:09:522
1663129992317,3cyclictest0-21swapper/109:55:241
1663129992317,3cyclictest0-21swapper/109:30:011
1663129992316,4cyclictest0-21swapper/111:30:261
1663129992316,4cyclictest0-21swapper/110:20:251
1663129992316,4cyclictest0-21swapper/110:15:241
1663129992316,3cyclictest0-21swapper/108:40:231
1663129992314,4cyclictest0-21swapper/112:04:571
1663125992317,4cyclictest1674838-21kworker/u8:0+events_unbound08:01:190
1663125992317,3cyclictest0-21swapper/008:20:010
166312599231,18cyclictest0-21swapper/008:22:440
1663139992216,3cyclictest0-21swapper/311:10:243
1663139992215,3cyclictest0-21swapper/311:15:163
1663139992215,3cyclictest0-21swapper/307:55:153
1663139992213,6cyclictest0-21swapper/309:20:003
1663133992216,4cyclictest1674154-21kworker/u8:2+events_unbound08:29:242
1663133992215,4cyclictest1699500-21grep09:40:252
1663133992215,4cyclictest1667026-21fschecks_count07:25:162
1663133992215,3cyclictest0-21swapper/210:50:012
1663133992214,4cyclictest0-21swapper/209:10:132
1663133992213,5cyclictest0-21swapper/210:05:002
1663129992216,3cyclictest0-21swapper/112:20:131
1663129992216,3cyclictest0-21swapper/107:25:211
1663129992215,4cyclictest637-21runrttasks12:25:211
1663129992214,5cyclictest0-21swapper/109:20:141
1663139992114,3cyclictest0-21swapper/310:00:293
1663139992112,6cyclictest0-21swapper/312:15:163
1663133992115,4cyclictest1680374-21kworker/u8:1+events_unbound08:34:132
1663133992115,3cyclictest0-21swapper/208:40:142
1663133992115,3cyclictest0-21swapper/208:20:012
1663133992114,3cyclictest0-21swapper/208:40:012
1663129992114,3cyclictest0-21swapper/112:10:241
1663129992113,5cyclictest1684814-21munin-plugin-st08:55:011
1663129992111,8cyclictest1665159-21wc07:15:021
1663129992111,6cyclictest0-21swapper/111:40:241
166312999211,12cyclictest637-21runrttasks07:35:531
166313999209,8cyclictest1679048-21date08:25:023
1663139992014,3cyclictest0-21swapper/311:25:223
1663139992014,3cyclictest0-21swapper/309:55:193
1663139992013,5cyclictest0-21swapper/308:40:013
1663139992012,5cyclictest0-21swapper/312:25:173
166313999201,10cyclictest1683543-21munin-run08:45:013
1663139992010,7cyclictest1684185-21basename08:50:013
166313399205,11cyclictest1672835-21cron07:55:002
1663133992014,4cyclictest1681734-21kworker/u8:2+events_unbound09:04:342
1663133992012,5cyclictest0-21swapper/208:55:012
1663133992012,4cyclictest0-21swapper/209:10:012
1663129992014,3cyclictest0-21swapper/109:10:011
1663129992013,4cyclictest1688172-21fschecks_count09:10:131
1663129992013,4cyclictest1687302-21latency_hist09:05:011
166313999198,8cyclictest1689073-21grep09:10:223
1663139991913,4cyclictest1680374-21kworker/u8:1+events_unbound08:35:013
1663139991912,4cyclictest1684629-21auditctl08:53:013
166313999191,11cyclictest637-21runrttasks07:45:083
1663133991912,5cyclictest311ktimers/211:30:152
1663133991912,5cyclictest311ktimers/210:05:142
166312999199,7cyclictest1707439-21cat10:05:191
166312999192,12cyclictest1-21systemd07:54:121
1663129991913,3cyclictest1749855-21latency_hist12:10:011
1663129991913,3cyclictest1749855-21latency_hist12:10:001
1663129991912,4cyclictest1678342-21latency_hist08:20:011
1663129991911,5cyclictest231ktimers/111:50:241
1663139991812,4cyclictest391ktimers/308:06:423
1663139991811,5cyclictest391ktimers/309:25:143
166313399188,7cyclictest1675855-21basename08:10:002
1663133991813,3cyclictest1675279-21latency_hist08:05:012
166312999189,6cyclictest0-21swapper/108:10:001
166313999173,11cyclictest1668359-21apt-get07:30:043
1663139991712,3cyclictest637-21runrttasks09:05:373
1663129991712,3cyclictest1666005-21latency_hist07:20:021
1663139991610,3cyclictest637-21runrttasks09:04:403
166312999161,10cyclictest1-21systemd08:24:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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