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2026-07-27 - 17:21

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 Mon Jul 27, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2113912995241,7cyclictest2177730-21grep10:10:260
2113925994637,4cyclictest2165842-21sendmail09:40:013
2113916994536,5cyclictest2173081-21sendmail10:00:001
2113916994531,10cyclictest231ktimers/109:05:131
2113925994335,4cyclictest0-21swapper/308:15:003
2113925994235,5cyclictest2152064-21kworker/u8:0+events_unbound09:00:263
2113925994232,7cyclictest2215432-21grep12:00:243
2113925994128,9cyclictest2131710-21munin-plugin-st08:00:013
2113925994121,6cyclictest2145206-21kworker/u8:1+events_unbound08:45:143
2113921994132,7cyclictest311ktimers/210:00:132
2113916994130,7cyclictest2140644-21fschecks_count08:25:161
2113916994130,7cyclictest2130423-21fschecks_time07:55:161
2113925993929,7cyclictest2132141-21fschecks_time08:00:173
2113925993927,9cyclictest2200573-21sendmail11:19:593
2113912993928,8cyclictest121ktimers/008:35:120
2113921993827,6cyclictest0-21swapper/208:20:242
2113921993727,6cyclictest0-21swapper/210:45:252
2113921993727,6cyclictest0-21swapper/207:50:012
2113916993726,7cyclictest0-21swapper/110:55:001
2113925993622,11cyclictest391ktimers/308:15:103
2113921993628,4cyclictest0-21swapper/211:30:002
2113916993625,5cyclictest0-21swapper/108:35:141
2113925993523,7cyclictest0-21swapper/312:36:023
2113925993523,7cyclictest0-21swapper/312:36:023
2113925993523,7cyclictest0-21swapper/310:40:003
2113921993528,3cyclictest0-21swapper/208:00:002
2113921993525,6cyclictest0-21swapper/209:40:262
2113916993527,4cyclictest0-21swapper/108:25:021
2113916993526,4cyclictest0-21swapper/107:10:161
2113916993526,4cyclictest0-21swapper/107:10:161
2113912993525,7cyclictest2115543-21audit_send_reply07:15:010
2113912993525,7cyclictest2115543-21audit_send_reply07:15:000
2113925993425,5cyclictest0-21swapper/310:30:163
2113925993425,5cyclictest0-21swapper/308:30:173
2113921993427,4cyclictest2173063-21munin-plugin-st10:00:002
2113921993426,5cyclictest2219311-21cron12:15:002
2113921993426,4cyclictest0-21swapper/209:45:262
2113921993425,5cyclictest0-21swapper/209:05:272
2113916993426,4cyclictest2158996-21kthreadd09:20:011
2113916993425,4cyclictest0-21swapper/111:20:471
2113916993425,4cyclictest0-21swapper/111:20:471
2113925993326,4cyclictest2114427-21runrttasks07:10:193
2113925993326,4cyclictest2114427-21runrttasks07:10:193
2113925993325,4cyclictest0-21swapper/312:05:173
2113925993325,4cyclictest0-21swapper/310:45:163
2113925993325,4cyclictest0-21swapper/307:35:023
2113925993324,4cyclictest0-21swapper/310:20:003
2113925993322,7cyclictest0-21swapper/311:45:013
2113925993322,7cyclictest0-21swapper/310:10:263
2113921993326,4cyclictest0-21swapper/211:19:592
2113921993325,4cyclictest0-21swapper/208:15:232
2113921993323,6cyclictest0-21swapper/211:35:252
2113921993323,6cyclictest0-21swapper/211:10:272
2113921993323,6cyclictest0-21swapper/210:15:262
2113921993323,6cyclictest0-21swapper/207:20:252
2113916993325,4cyclictest2195232-21cron11:05:001
2113916993323,6cyclictest2170933-21unixbench_singl09:50:241
2113921993224,5cyclictest0-21swapper/211:25:002
2113921993224,5cyclictest0-21swapper/211:24:592
2113921993224,4cyclictest0-21swapper/210:10:182
2113921993224,4cyclictest0-21swapper/208:04:592
2113921993222,6cyclictest0-21swapper/208:10:272
2113921993221,6cyclictest0-21swapper/212:05:002
2113921993221,6cyclictest0-21swapper/211:45:252
2113916993223,6cyclictest2121637-21fschecks_count07:30:161
2113916993223,4cyclictest0-21swapper/110:20:241
2113916993223,4cyclictest0-21swapper/110:20:231
2113916993223,4cyclictest0-21swapper/110:05:001
2113916993222,6cyclictest2168999-21unixbench_multi09:45:271
2113916993222,6cyclictest0-21swapper/111:40:181
2113916993221,7cyclictest0-21swapper/112:00:551
2113916993220,6cyclictest0-21swapper/109:30:261
2113912993225,4cyclictest2219329-21munin-plugin-st12:15:010
2113912993223,5cyclictest0-21swapper/011:35:250
2113912993223,4cyclictest0-21swapper/009:20:000
2113925993123,4cyclictest0-21swapper/310:50:273
2113925993122,6cyclictest0-21swapper/311:15:003
2113925993119,8cyclictest0-21swapper/308:25:013
2113921993124,3cyclictest0-21swapper/209:25:252
2113921993123,6cyclictest0-21swapper/209:40:012
2113921993121,6cyclictest0-21swapper/207:15:282
2113921993120,7cyclictest2212035-21grep11:50:282
2113916993122,5cyclictest2179888-21grep10:20:011
2113916993122,4cyclictest0-21swapper/111:05:271
2113916993121,6cyclictest2220607-21grep12:15:271
2113916993120,7cyclictest2134694-21grep08:05:251
2113916993120,7cyclictest2134694-21grep08:05:251
2113916993120,7cyclictest0-21swapper/110:25:271
2113912993122,6cyclictest2192193-21fschecks_count10:55:170
2113912993119,7cyclictest0-21swapper/007:55:210
211391299311,3cyclictest0-21swapper/011:25:130
2113925993024,4cyclictest2114209-21kworker/u8:0+events_unbound07:24:463
2113925993021,6cyclictest2116351-21grep07:15:043
2113925993019,6cyclictest2123625-21fschecks_time07:35:183
2113921993023,3cyclictest0-21swapper/208:55:262
2113921993021,6cyclictest0-21swapper/212:25:002
2113921993021,6cyclictest0-21swapper/212:00:012
2113916993023,5cyclictest231ktimers/109:20:131
2113916993022,4cyclictest2190123-21kthreadd10:50:011
2113916993022,4cyclictest0-21swapper/111:55:291
2113916993021,5cyclictest0-21swapper/110:35:371
2113916993020,6cyclictest2156879-21grep09:10:271
2113916993017,7cyclictest0-21swapper/112:10:261
211391299305,3cyclictest22219012ps12:20:220
2113912993020,7cyclictest2122513-21unixbench_multi07:30:270
211392599295,4cyclictest131rcu_preempt11:35:123
2113925992922,4cyclictest0-21swapper/312:25:153
211392599291,9cyclictest0-21swapper/309:45:133
2113925992918,5cyclictest0-21swapper/308:55:183
2113921992920,6cyclictest2205211-21grep11:30:272
2113921992920,5cyclictest0-21swapper/209:20:002
2113921992920,5cyclictest0-21swapper/208:50:002
2113921992920,5cyclictest0-21swapper/208:35:262
2113921992920,5cyclictest0-21swapper/207:25:252
2113912992922,3cyclictest0-21swapper/009:05:240
2113912992921,5cyclictest2168895-21timerwakeupswit09:45:260
211392599284,4cyclictest131rcu_preempt12:20:123
2113925992821,4cyclictest0-21swapper/309:10:173
2113925992820,6cyclictest391ktimers/309:40:123
2113925992820,5cyclictest2161993-21unixbench_singl09:25:263
2113925992820,4cyclictest0-21swapper/311:20:173
2113925992820,4cyclictest0-21swapper/311:20:173
2113925992820,4cyclictest0-21swapper/307:25:253
2113925992816,8cyclictest2127856-21grep07:45:273
2113921992821,3cyclictest0-21swapper/209:00:282
2113921992818,6cyclictest0-21swapper/207:30:262
2113916992820,4cyclictest0-21swapper/108:55:261
2113916992820,4cyclictest0-21swapper/107:15:281
2113916992817,6cyclictest0-21swapper/111:50:001
2113912992822,3cyclictest2191393-21chrt10:50:270
2113912992820,4cyclictest0-21swapper/011:10:000
211392599273,5cyclictest131rcu_preempt12:15:153
2113925992720,4cyclictest2225671-21tail12:30:243
2113925992720,4cyclictest0-21swapper/308:25:273
2113925992719,5cyclictest2167644-21kworker/u8:3+events_unbound09:50:153
2113925992719,5cyclictest0-21swapper/310:45:003
2113925992719,4cyclictest2203554-21grep11:25:283
2113925992719,4cyclictest0-21swapper/308:40:263
2113925992718,6cyclictest0-21swapper/311:45:263
2113921992720,4cyclictest0-21swapper/212:34:592
2113921992720,4cyclictest0-21swapper/207:45:012
2113921992719,5cyclictest0-21swapper/208:55:002
2113921992718,6cyclictest0-21swapper/211:05:012
2113921992717,6cyclictest2153801-21kworker/u8:1+events_unbound09:20:272
2113921992717,6cyclictest0-21swapper/212:39:592
2113921992717,6cyclictest0-21swapper/212:39:592
2113921992717,6cyclictest0-21swapper/212:05:252
2113916992719,4cyclictest0-21swapper/112:20:161
2113916992716,7cyclictest0-21swapper/110:10:271
211391699271,5cyclictest131rcu_preempt07:20:121
2113912992721,3cyclictest0-21swapper/009:15:000
2113912992720,4cyclictest0-21swapper/009:30:140
2113912992719,4cyclictest0-21swapper/007:15:270
2113912992718,6cyclictest2208696-21grep11:40:290
211392599262,3cyclictest131rcu_preempt09:15:123
2113925992619,4cyclictest0-21swapper/310:20:153
2113925992619,4cyclictest0-21swapper/310:20:143
2113925992616,6cyclictest0-21swapper/309:55:263
2113921992618,5cyclictest2143631-21cron08:35:012
2113921992618,5cyclictest0-21swapper/212:15:182
2113921992618,5cyclictest0-21swapper/209:10:242
2113921992617,7cyclictest311ktimers/209:50:092
2113921992617,5cyclictest0-21swapper/208:40:182
2113921992617,4cyclictest0-21swapper/208:05:172
2113921992617,4cyclictest0-21swapper/208:05:172
2113916992620,4cyclictest2122591-21kworker/u8:0+events_unbound07:53:421
2113916992618,4cyclictest2128313-21idleruntime-cro07:50:011
2113916992618,4cyclictest0-21swapper/110:40:171
2113916992618,4cyclictest0-21swapper/108:45:291
2113916992617,6cyclictest231ktimers/108:40:221
211391299269,14cyclictest2152820-21latency09:00:220
2113912992620,4cyclictest2124415-21unixbench_multi07:35:270
2113912992618,6cyclictest2172147-21ntp_offset09:55:220
2113912992618,5cyclictest0-21swapper/012:40:000
2113912992618,5cyclictest0-21swapper/012:40:000
2113912992618,5cyclictest0-21swapper/008:35:010
2113912992616,7cyclictest204-21dbus-daemon12:00:540
2113912992615,8cyclictest2138534-21tr08:20:000
2113912992615,8cyclictest0-21swapper/010:25:000
2113912992615,8cyclictest0-21swapper/010:25:000
211391299261,22cyclictest13550irq/42-30be0000.ethernet08:40:170
2113925992519,4cyclictest2194942-21kworker/u8:0+events_unbound11:06:423
2113925992519,3cyclictest0-21swapper/310:55:193
2113925992519,3cyclictest0-21swapper/309:20:143
2113925992518,5cyclictest2155522-21kworker/u8:2+events_unbound09:30:193
2113925992517,5cyclictest0-21swapper/310:30:013
2113925992517,4cyclictest0-21swapper/312:10:263
2113925992517,4cyclictest0-21swapper/309:05:263
2113925992510,12cyclictest391ktimers/310:00:133
2113921992519,3cyclictest0-21swapper/210:35:262
2113921992517,5cyclictest0-21swapper/207:10:262
2113921992517,5cyclictest0-21swapper/207:10:252
2113921992517,4cyclictest0-21swapper/210:55:002
2113921992516,6cyclictest2185182-21grep10:35:012
2113916992519,4cyclictest2191490-21kworker/u8:2+events_unbound11:15:491
2113916992517,5cyclictest0-21swapper/109:40:171
2113916992516,4cyclictest0-21swapper/111:10:471
2113916992514,8cyclictest438-21cron12:30:001
2113912992519,3cyclictest0-21swapper/008:25:020
2113912992518,4cyclictest13850irq/36-mmc109:40:000
2113912992518,3cyclictest0-21swapper/011:45:160
2113912992515,6cyclictest204-21dbus-daemon11:30:490
2113912992515,6cyclictest0-21swapper/009:25:010
2113912992515,6cyclictest0-21swapper/007:40:250
2113912992514,8cyclictest2195234-21sh11:05:000
211391299251,20cyclictest0-21swapper/008:50:300
2113925992418,4cyclictest2138354-21kworker/u8:0+events_unbound08:36:163
2113925992417,5cyclictest2208714-21kworker/u8:1+events_unbound11:50:203
2113925992417,5cyclictest2191490-21kworker/u8:2+events_unbound11:00:153
2113925992415,5cyclictest2175147-21fschecks_count10:05:173
211392599241,4cyclictest131rcu_preempt08:05:133
211392599241,4cyclictest131rcu_preempt08:05:123
2113921992418,3cyclictest0-21swapper/210:45:002
2113921992417,4cyclictest0-21swapper/210:24:592
2113921992417,4cyclictest0-21swapper/210:24:592
2113921992415,6cyclictest2122591-21kworker/u8:0+events_unbound07:54:532
2113921992415,5cyclictest0-21swapper/211:45:002
2113916992417,5cyclictest2124732-21kworker/u8:3+events_unbound07:39:481
2113916992417,4cyclictest0-21swapper/107:25:231
2113916992417,3cyclictest0-21swapper/111:25:261
2113916992417,3cyclictest0-21swapper/108:15:151
2113916992416,5cyclictest2142727-21ntpq08:30:211
2113912992419,3cyclictest13550irq/42-30be0000.ethernet10:40:170
2113912992418,3cyclictest0-21swapper/007:55:010
2113912992417,3cyclictest0-21swapper/011:59:510
2113912992415,6cyclictest121ktimers/011:15:060
2113912992415,5cyclictest0-21swapper/011:11:150
2113912992414,6cyclictest0-21swapper/009:30:010
211391299241,3cyclictest2182911-21users10:25:280
211391299241,19cyclictest0-21swapper/011:20:080
211391299241,19cyclictest0-21swapper/011:20:080
211391299241,19cyclictest0-21swapper/010:17:560
211391299240,20cyclictest0-21swapper/008:06:410
211391299240,20cyclictest0-21swapper/008:06:410
211392599231,11cyclictest0-21swapper/307:52:003
2113921992317,3cyclictest2124877-21cron07:40:012
2113921992316,3cyclictest0-21swapper/210:05:182
2113921992314,5cyclictest0-21swapper/211:05:272
2113916992316,4cyclictest0-21swapper/111:50:261
2113916992313,6cyclictest0-21swapper/111:40:011
2113916992313,6cyclictest0-21swapper/109:00:271
2113912992317,3cyclictest0-21swapper/012:20:000
2113912992316,3cyclictest0-21swapper/011:53:260
2113912992314,6cyclictest2127465-21ps07:45:250
2113912992314,6cyclictest0-21swapper/007:20:240
211391299231,19cyclictest0-21swapper/010:40:000
211391299230,19cyclictest0-21swapper/010:48:310
211391299230,19cyclictest0-21swapper/010:05:480
211391299230,19cyclictest0-21swapper/008:49:490
211392599222,15cyclictest2150456-21cron08:55:013
2113921992215,5cyclictest2172809-21kworker/u8:1+events_unbound10:25:382
2113921992215,3cyclictest0-21swapper/212:25:252
2113921992213,6cyclictest2141498-21grep08:25:262
211391699225,13cyclictest2165844-21sendmail-msp09:40:001
2113916992215,4cyclictest2161102-21fschecks_count09:25:161
2113916992215,4cyclictest0-21swapper/110:30:251
2113916992215,3cyclictest0-21swapper/110:05:201
2113916992214,5cyclictest0-21swapper/108:50:161
2113916992212,6cyclictest0-21swapper/110:55:171
2113912992217,3cyclictest13550irq/42-30be0000.ethernet09:50:180
2113912992216,3cyclictest13850irq/36-mmc110:05:010
2113912992216,3cyclictest0-21swapper/010:30:150
2113912992216,2cyclictest0-21swapper/008:58:350
2113912992215,3cyclictest0-21swapper/009:41:480
2113912992215,3cyclictest0-21swapper/007:30:010
211391299221,19cyclictest0-21swapper/012:07:070
211391299220,20cyclictest0-21swapper/008:25:230
211391299220,18cyclictest0-21swapper/012:27:150
2113925992115,3cyclictest0-21swapper/311:30:173
2113916992111,7cyclictest0-21swapper/112:35:171
2113916992111,7cyclictest0-21swapper/112:35:161
2113916992110,7cyclictest0-21swapper/108:05:001
2113912992115,3cyclictest0-21swapper/012:34:590
2113912992115,3cyclictest0-21swapper/008:10:170
211392599204,5cyclictest131rcu_preempt07:40:123
2113921992013,5cyclictest311ktimers/209:30:152
2113916992011,5cyclictest2126603-21kthreadd07:45:001
211391699199,4cyclictest2202497-21kworker/u8:3+events_unbound11:30:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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