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2026-05-24 - 21:57

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #6

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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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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot6s.osadl.org (updated Sun May 24, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1380210783,19sleep00-21swapper/007:07:070
1315210796,6sleep20-21swapper/207:06:162
1450210584,16sleep30-21swapper/307:08:013
854210079,16sleep10-21swapper/107:05:351
275532720,0sleep2301ktimersoftd/209:19:402
145182550,0sleep10-21swapper/111:20:131
204532270,1sleep0101ktimersoftd/007:55:140
24012240,0sleep00-21swapper/011:07:170
1634992218,2cyclictest28089-21kworker/u8:209:23:043
163299221,2cyclictest0-21swapper/107:35:111
163199220,20cyclictest0-21swapper/011:45:110
163499211,2cyclictest0-21swapper/311:20:123
163399210,19cyclictest0-21swapper/210:55:122
1634992017,2cyclictest4368-21kworker/u8:009:29:043
1632992017,2cyclictest18122-21diskmemload10:50:111
163299201,2cyclictest0-21swapper/109:50:101
187402190,1sleep1221ktimersoftd/109:43:491
1634991916,2cyclictest1943-21kworker/u8:211:15:043
163499190,2cyclictest0-21swapper/310:15:103
163499190,2cyclictest0-21swapper/309:40:123
1633991916,2cyclictest4076-21kworker/u8:211:45:052
1631991914,3cyclictest12023-21taskset12:25:140
163199190,2cyclictest0-21swapper/010:55:110
106412190,1sleep00-21swapper/010:09:010
28662180,1sleep018122-21diskmemload12:15:160
1634991815,2cyclictest9993-21kworker/u8:112:08:043
1633991815,2cyclictest4368-21kworker/u8:009:33:052
163399180,16cyclictest0-21swapper/212:29:052
1634991714,2cyclictest22478-21kworker/u8:009:52:043
1634991714,2cyclictest19136-21kworker/u8:010:20:053
1634991713,2cyclictest1943-21kworker/u8:211:07:043
1634991712,3cyclictest24209-21ssh11:30:133
163499170,12cyclictest3728-21runrttasks08:16:023
1633991714,2cyclictest21805-21kworker/u8:011:12:022
163399170,12cyclictest0-21swapper/209:24:052
1634991613,2cyclictest3176-21kworker/u8:210:56:053
1634991613,2cyclictest29781-21kworker/u8:212:10:063
1633991613,2cyclictest21805-21kworker/u8:011:05:042
1633991613,2cyclictest1943-21kworker/u8:211:16:042
163199161,13cyclictest6041-21ssh10:04:200
163199161,13cyclictest17212-21ssh09:41:240
163199160,14cyclictest20439-21ssh09:45:150
163499151,3cyclictest11625-21munin-node3
1634991512,2cyclictest1745-21kworker/u8:208:59:043
1634991510,3cyclictest0-21swapper/312:00:133
163499150,13cyclictest20403-21ssh09:45:133
163499150,13cyclictest10196-21ssh10:41:133
1633991512,2cyclictest9993-21kworker/u8:111:53:042
1633991512,2cyclictest4351-21kworker/u8:108:51:042
1633991512,2cyclictest32413-21kworker/u8:107:20:012
1633991512,2cyclictest3176-21kworker/u8:210:40:042
1633991512,2cyclictest23898-21kworker/u8:011:44:042
1633991512,2cyclictest22478-21kworker/u8:010:00:052
1633991512,2cyclictest17818-21kworker/u8:109:27:042
1633991512,2cyclictest1745-21kworker/u8:208:58:052
1633991512,2cyclictest1745-21kworker/u8:208:47:042
1633991512,2cyclictest1745-21kworker/u8:208:39:042
1633991512,2cyclictest16702-21kworker/u8:110:53:042
1633991512,2cyclictest13677-21kworker/u8:210:12:052
1633991510,3cyclictest20014-21munin-run12:00:002
163399150,10cyclictest0-21swapper/212:32:042
163399150,10cyclictest0-21swapper/212:01:052
163299152,7cyclictest4556-21metacity11:48:581
1632991510,3cyclictest0-21swapper/112:25:101
1631991510,3cyclictest0-21swapper/009:11:000
163199150,3cyclictest0-21swapper/012:06:220
163199150,3cyclictest0-21swapper/010:55:000
163199150,13cyclictest0-21swapper/007:50:190
163499142,7cyclictest0-21swapper/308:30:013
1634991411,2cyclictest4368-21kworker/u8:009:31:053
1634991411,2cyclictest30692-21kworker/u8:111:37:043
1634991411,2cyclictest29781-21kworker/u8:212:20:043
1634991411,2cyclictest29346-21kworker/u8:309:58:053
1634991411,2cyclictest26587-21kworker/u8:008:32:043
1634991411,2cyclictest24607-21kworker/u8:110:26:053
1634991411,2cyclictest0-21swapper/310:30:343
1634991410,2cyclictest0-21swapper/310:00:043
163499140,9cyclictest0-21swapper/311:02:043
163499140,2cyclictest6714-21runrttasks10:05:053
163499140,2cyclictest0-21swapper/310:50:063
163499140,13cyclictest0-21swapper/311:43:433
163499140,12cyclictest18122-21diskmemload10:35:173
163499140,12cyclictest0-21swapper/307:15:153
163399149,3cyclictest26203-21ssh12:05:242
1633991411,2cyclictest6221-21kworker/u8:207:27:052
1633991411,2cyclictest26587-21kworker/u8:008:34:052
1633991411,2cyclictest22478-21kworker/u8:010:07:042
1633991411,2cyclictest18361-21kworker/u8:108:01:042
1633991411,2cyclictest17818-21kworker/u8:109:08:052
1633991411,2cyclictest14244-21kworker/u8:007:48:042
1633991411,2cyclictest0-21swapper/212:16:002
1633991411,2cyclictest0-21swapper/207:31:002
163399140,2cyclictest15747-21unixbench_singl09:01:042
163399140,2cyclictest0-21swapper/209:13:042
163399140,12cyclictest24188-21ssh10:22:412
163399140,12cyclictest0-21swapper/211:38:512
163399140,11cyclictest0-21swapper/209:56:052
1632991411,2cyclictest19809-21apt-get09:45:111
163299141,12cyclictest18122-21diskmemload09:20:141
163299140,12cyclictest23987-21ssh12:36:401
163299140,12cyclictest18122-21diskmemload10:36:271
163299140,12cyclictest0-21swapper/112:00:141
163199149,3cyclictest29030-21ssh11:35:140
163199142,6cyclictest0-21swapper/009:05:000
163199142,6cyclictest0-21swapper/007:45:010
1631991410,2cyclictest0-21swapper/009:26:030
163199140,3cyclictest18122-21diskmemload11:58:510
163199140,12cyclictest18122-21diskmemload10:45:120
163199140,12cyclictest0-21swapper/011:20:500
129032140,2sleep10-21swapper/111:18:291
239392130,1sleep00-21swapper/012:36:360
1634991310,2cyclictest4368-21kworker/u8:009:35:043
1634991310,2cyclictest29781-21kworker/u8:212:17:043
1634991310,2cyclictest15636-21kworker/u8:211:57:043
1634991310,2cyclictest14244-21kworker/u8:007:45:043
1634991310,2cyclictest0-21swapper/309:15:343
163499130,8cyclictest0-21swapper/312:27:043
163499130,8cyclictest0-21swapper/307:10:053
163499130,2cyclictest32565-21kworker/3:012:31:043
163499130,2cyclictest15748-21grep09:01:043
163499130,2cyclictest0-21swapper/311:46:043
163499130,2cyclictest0-21swapper/309:13:033
163499130,12cyclictest0-21swapper/308:10:133
163499130,12cyclictest0-21swapper/307:20:103
1633991310,2cyclictest9392-21kworker/u8:010:45:052
1633991310,2cyclictest14244-21kworker/u8:007:42:022
1633991310,2cyclictest10362-21kworker/u8:109:50:042
1633991310,2cyclictest0-21swapper/210:16:272
1633991310,2cyclictest0-21swapper/209:38:172
163399130,12cyclictest0-21swapper/207:15:172
163399130,11cyclictest0-21swapper/212:14:212
163399130,11cyclictest0-21swapper/209:46:192
163399130,11cyclictest0-21swapper/209:41:092
163299132,9cyclictest25687-21kworker/1:008:10:141
1632991310,2cyclictest18122-21diskmemload09:37:081
1632991310,2cyclictest0-21swapper/112:19:001
1632991310,2cyclictest0-21swapper/112:10:121
1632991310,2cyclictest0-21swapper/111:42:361
1632991310,2cyclictest0-21swapper/110:58:151
1632991310,2cyclictest0-21swapper/110:41:091
163299130,2cyclictest19461-21ssh11:59:101
163299130,2cyclictest18122-21diskmemload09:59:401
163299130,2cyclictest17632-21munin-node1
163299130,2cyclictest0-21swapper/112:23:461
163299130,2cyclictest0-21swapper/110:05:151
163299130,12cyclictest1195-21ssh11:06:001
163299130,12cyclictest0-21swapper/111:53:561
163299130,11cyclictest0-21swapper/112:05:561
163299130,11cyclictest0-21swapper/110:14:061
163199132,6cyclictest26247-21copy08:10:010
163199132,6cyclictest0-21swapper/010:20:000
1631991310,2cyclictest23782-21munin-node0
1631991310,2cyclictest0-21swapper/012:30:410
1631991310,2cyclictest0-21swapper/012:14:330
1631991310,2cyclictest0-21swapper/011:52:340
1631991310,2cyclictest0-21swapper/011:15:160
1631991310,2cyclictest0-21swapper/010:30:000
1631991310,2cyclictest0-21swapper/009:53:430
1631991310,2cyclictest0-21swapper/009:35:220
1631991310,2cyclictest0-21swapper/009:33:230
163199130,2cyclictest0-21swapper/011:11:440
163199130,2cyclictest0-21swapper/010:14:350
163199130,2cyclictest0-21swapper/009:57:430
163199130,2cyclictest0-21swapper/007:31:030
163199130,2cyclictest0-21swapper/007:15:110
163199130,12cyclictest0-21swapper/012:20:010
163199130,12cyclictest0-21swapper/007:45:140
163199130,11cyclictest18122-21diskmemload11:41:130
45812120,2sleep30-21swapper/311:10:093
163499129,2cyclictest6221-21kworker/u8:207:29:053
163499129,2cyclictest14244-21kworker/u8:007:59:043
163499129,2cyclictest0-21swapper/311:52:133
163499129,2cyclictest0-21swapper/308:40:123
163499122,7cyclictest0-21swapper/308:47:583
163499122,7cyclictest0-21swapper/308:24:583
163499120,2cyclictest0-21swapper/307:51:043
163499120,11cyclictest20352-21ssh11:25:433
163499120,11cyclictest0-21swapper/312:37:543
163499120,11cyclictest0-21swapper/310:47:313
163399129,2cyclictest30686-21ssh10:30:012
163399129,2cyclictest18361-21kworker/u8:108:21:042
163399129,2cyclictest14244-21kworker/u8:007:57:042
163399129,2cyclictest0-21swapper/212:35:412
163399129,2cyclictest0-21swapper/212:22:282
163399129,2cyclictest0-21swapper/211:30:362
163399129,2cyclictest0-21swapper/210:38:582
163399129,2cyclictest0-21swapper/210:26:192
163399129,2cyclictest0-21swapper/207:50:152
163399120,2cyclictest0-21swapper/211:27:482
163399120,2cyclictest0-21swapper/211:20:202
163399120,2cyclictest0-21swapper/211:00:282
163399120,2cyclictest0-21swapper/208:25:142
163399120,2cyclictest0-21swapper/207:36:002
163299129,2cyclictest0-21swapper/111:30:571
163299129,2cyclictest0-21swapper/111:10:251
163299129,2cyclictest0-21swapper/111:00:321
163299129,2cyclictest0-21swapper/110:25:281
163299129,2cyclictest0-21swapper/110:02:491
163299129,2cyclictest0-21swapper/109:30:271
163299129,2cyclictest0-21swapper/109:15:191
163299129,2cyclictest0-21swapper/107:50:311
163299127,3cyclictest207150irq/24-eth110:45:151
163299122,7cyclictest4556-21metacity08:18:591
163299122,7cyclictest0-21swapper/107:18:591
163299121,9cyclictest0-21swapper/108:50:141
163299120,2cyclictest18122-21diskmemload10:30:401
163299120,2cyclictest0-21swapper/111:35:101
163299120,2cyclictest0-21swapper/110:20:381
163299120,2cyclictest0-21swapper/110:16:591
163299120,2cyclictest0-21swapper/109:25:061
163299120,2cyclictest0-21swapper/109:11:281
163299120,2cyclictest0-21swapper/108:55:161
163299120,10cyclictest0-21swapper/108:40:391
163199129,2cyclictest0-21swapper/011:26:230
163199129,2cyclictest0-21swapper/009:16:240
163199129,2cyclictest0-21swapper/008:00:170
163199127,3cyclictest3940-21sshd10:35:170
163199127,3cyclictest0-21swapper/010:41:350
163199120,2cyclictest0-21swapper/010:25:120
163199120,2cyclictest0-21swapper/009:00:300
163199120,2cyclictest0-21swapper/008:30:120
163199120,11cyclictest0-21swapper/012:00:160
163199120,11cyclictest0-21swapper/010:16:440
163199120,11cyclictest0-21swapper/009:20:120
163199120,11cyclictest0-21swapper/008:56:040
163199120,11cyclictest0-21swapper/008:41:000
163199120,11cyclictest0-21swapper/008:25:150
163499118,2cyclictest6221-21kworker/u8:207:35:053
163499118,2cyclictest6221-21kworker/u8:207:30:043
163499118,2cyclictest1745-21kworker/u8:209:05:053
163499118,2cyclictest1745-21kworker/u8:208:50:023
163399118,2cyclictest26587-21kworker/u8:008:14:042
163399118,2cyclictest0-21swapper/208:05:162
163299118,2cyclictest10101-21munin-node1
163299116,3cyclictest16212-21aten2.4_r3power07:45:111
163299111,8cyclictest8071-21apt-get07:25:121
163299111,8cyclictest22412-21apt-get08:00:111
163299111,2cyclictest8282-21apt-get08:45:101
163299110,9cyclictest0-21swapper/108:26:031
163299110,9cyclictest0-21swapper/107:55:121
163299110,3cyclictest0-21swapper/107:40:131
163299110,10cyclictest0-21swapper/111:25:031
163299110,10cyclictest0-21swapper/107:20:281
163199118,2cyclictest0-21swapper/011:01:310
163199115,4cyclictest30261-21sh08:20:000
163199111,6cyclictest0-21swapper/008:24:410
163499107,2cyclictest18361-21kworker/u8:108:05:043
163499105,3cyclictest4489-21tr08:35:123
163299107,2cyclictest0-21swapper/109:00:121
163299106,2cyclictest30495-21munin-node1
163299102,7cyclictest0-21swapper/107:14:581
163299100,8cyclictest4142-21apt-get08:35:111
163299100,8cyclictest0-21swapper/109:05:121
163299100,8cyclictest0-21swapper/108:05:121
163199107,2cyclictest0-21swapper/007:35:110
163199105,3cyclictest8885-21grep08:45:150
163199105,3cyclictest4610-21sed08:35:130
163199105,3cyclictest2456-21grep07:10:130
3033290,2sleep20-21swapper/207:11:012
16349994,3cyclictest22890-21fschecks_time08:00:153
16349994,3cyclictest15366-21switchtime07:41:023
16339991,3cyclictest0-21swapper/208:40:162
16339990,8cyclictest0-21swapper/208:16:062
16329990,2cyclictest2058-21munin-node1
16319996,2cyclictest0-21swapper/007:26:010
16319994,3cyclictest6706-21modprobe07:20:150
16319994,3cyclictest26717-21tr08:10:120
16319994,3cyclictest10382-21head08:50:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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