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2026-04-13 - 01:34

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 all highest latencies:
System rack3slot6s.osadl.org (updated Sun Apr 12, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4503211696,15sleep10-21swapper/107:07:201
4707211593,17sleep30-21swapper/307:09:433
4615211595,15sleep00-21swapper/007:08:320
3896211393,15sleep20-21swapper/207:05:452
1356021080,1sleep229-21rcuc/211:49:402
267402770,0sleep10-21swapper/111:29:561
20842740,0sleep00-21swapper/012:10:310
199712730,0sleep00-21swapper/012:29:550
199712730,0sleep00-21swapper/012:29:540
174532680,0sleep10-21swapper/107:40:131
294862640,0sleep20-21swapper/211:31:412
476199231,13cyclictest1478-21awk12:10:151
476299221,19cyclictest0-21swapper/208:10:112
476199220,3cyclictest0-21swapper/110:10:111
476199220,19cyclictest0-21swapper/111:40:121
258412220,0sleep00-21swapper/009:47:320
476199210,6cyclictest0-21swapper/112:22:231
476199210,3cyclictest3728-21runrttasks11:06:591
476199210,3cyclictest0-21swapper/112:25:111
476199210,3cyclictest0-21swapper/112:25:101
476199210,3cyclictest0-21swapper/111:50:151
476199210,3cyclictest0-21swapper/107:30:151
476199210,3cyclictest0-21swapper/107:21:031
476099211,18cyclictest0-21swapper/008:50:100
165822210,1sleep30-21swapper/310:11:053
4765992017,2cyclictest0-21swapper/309:55:113
4762992016,2cyclictest0-21swapper/208:20:122
476199201,3cyclictest24706-21diskstats10:20:131
476199201,3cyclictest0-21swapper/107:55:001
476199200,3cyclictest8364-21fschecks_count11:10:141
476199200,3cyclictest7056-21ssh12:15:311
476199200,3cyclictest3728-21runrttasks09:20:431
476199200,3cyclictest31838-21sh11:00:391
476199200,3cyclictest29618-21sh10:59:061
476199200,3cyclictest2708-21ssh11:38:021
476199200,3cyclictest26342-21ssh12:02:061
476199200,3cyclictest21997-21sh10:16:591
476199200,3cyclictest14705-21sed09:35:511
476199200,3cyclictest11251-21ssh10:05:551
476199200,3cyclictest0-21swapper/110:54:391
476199200,3cyclictest0-21swapper/110:49:301
476199200,3cyclictest0-21swapper/108:52:101
476199200,3cyclictest0-21swapper/108:25:101
476199200,2cyclictest0-21swapper/109:30:061
476099200,18cyclictest0-21swapper/012:35:120
139172200,0sleep30-21swapper/310:42:083
4765991916,2cyclictest28240-21kworker/u8:109:32:053
4765991914,3cyclictest27732-21ssh12:37:003
476199191,16cyclictest0-21swapper/107:55:151
476199190,3cyclictest6023-21sh09:26:431
476199190,3cyclictest21141-21diskmemload09:41:551
476199190,3cyclictest16081-21ssh11:18:191
476199190,3cyclictest11612-21ssh11:46:391
476199190,3cyclictest0-21swapper/110:37:111
476199190,3cyclictest0-21swapper/108:32:551
476199190,2cyclictest0-21swapper/112:05:151
476199190,2cyclictest0-21swapper/111:30:311
476199190,2cyclictest0-21swapper/110:03:431
476199190,2cyclictest0-21swapper/109:55:381
476199190,2cyclictest0-21swapper/109:50:471
476199190,2cyclictest0-21swapper/109:45:111
476199190,17cyclictest0-21swapper/107:45:201
4765991815,2cyclictest32677-21kworker/u8:110:04:053
4765991815,2cyclictest19299-21kworker/u8:210:15:053
476199181,3cyclictest8815-21munin-run07:20:001
476199181,3cyclictest0-21swapper/108:11:011
476199181,3cyclictest0-21swapper/107:35:171
4761991810,7cyclictest0-21swapper/108:15:171
476199180,3cyclictest21442-21munin-node1
476199180,3cyclictest21442-21munin-node1
476199180,2cyclictest792-21apt-get08:20:071
476199180,2cyclictest207150irq/24-eth112:35:511
476199180,2cyclictest127922sleep107:29:271
476199180,2cyclictest0-21swapper/112:30:141
476199180,2cyclictest0-21swapper/111:56:471
476199180,2cyclictest0-21swapper/110:42:231
476199180,2cyclictest0-21swapper/108:55:191
4765991714,2cyclictest32677-21kworker/u8:110:05:043
476199173,3cyclictest27333-21sh09:15:191
476199173,3cyclictest27333-21sh09:15:191
476199170,3cyclictest19222-21ls11:21:031
476199170,15cyclictest0-21swapper/110:30:131
476199170,15cyclictest0-21swapper/108:45:401
4765991613,2cyclictest9265-21kworker/u8:010:49:053
4765991613,2cyclictest32021-21kworker/u8:211:37:053
4765991613,2cyclictest30542-21kworker/u8:011:15:053
476299161,3cyclictest0-21swapper/209:32:162
476199166,8cyclictest0-21swapper/108:40:171
476199162,3cyclictest5099-21tail07:10:111
476199161,13cyclictest0-21swapper/110:25:381
476199160,2cyclictest0-21swapper/109:01:021
476199160,2cyclictest0-21swapper/108:07:511
4760991611,3cyclictest0-21swapper/009:11:010
4760991611,3cyclictest0-21swapper/009:11:000
255722160,1sleep30-21swapper/309:14:263
255722160,1sleep30-21swapper/309:14:263
19482160,1sleep229-21rcuc/209:23:102
4765991512,2cyclictest15150-21kworker/u8:209:18:063
4765991512,2cyclictest15150-21kworker/u8:209:18:053
476599150,2cyclictest0-21swapper/309:48:063
476599150,2cyclictest0-21swapper/309:35:053
476599150,13cyclictest0-21swapper/308:55:123
476299151,3cyclictest7054-21munin-run08:35:002
476299151,2cyclictest23244-21ssh11:25:162
4762991510,3cyclictest0-21swapper/209:53:262
476199151,4cyclictest8147-21tr08:35:181
476199151,4cyclictest25720-21grep08:00:121
476199151,3cyclictest0-21swapper/109:05:141
476099151,3cyclictest7556-21ssh11:10:000
4760991512,2cyclictest6393-21kworker/u8:210:07:050
476099150,2cyclictest13206-21rm09:35:050
476099150,13cyclictest0-21swapper/011:25:100
4765991411,2cyclictest20552-21kworker/u8:009:43:043
4765991411,2cyclictest19000-21kworker/u8:111:56:053
4765991410,3cyclictest25224-21ssh11:27:343
4765991410,2cyclictest2179-21ssh12:10:383
476599140,3cyclictest32452-21pzem_current08:15:183
476599140,2cyclictest0-21swapper/312:21:403
476599140,13cyclictest0-21swapper/311:40:103
476599140,12cyclictest24254-21ssh12:34:043
476299149,3cyclictest12688-21apt-get11:15:122
476299142,7cyclictest21141-21diskmemload09:15:012
476299142,7cyclictest21141-21diskmemload09:15:002
476299142,7cyclictest0-21swapper/211:22:582
476299142,6cyclictest0-21swapper/207:45:002
4762991410,2cyclictest23184-21latency_hist07:55:002
476299140,3cyclictest6236-21timerandwakeup11:41:032
476299140,2cyclictest0-21swapper/210:43:452
476299140,2cyclictest0-21swapper/207:35:042
476299140,13cyclictest0-21swapper/209:41:042
476299140,12cyclictest21141-21diskmemload10:02:372
476299140,12cyclictest1269-21ssh12:10:122
476299140,12cyclictest0-21swapper/210:38:322
476299140,12cyclictest0-21swapper/209:37:152
476099141,3cyclictest18087-21ntp_states07:40:170
4760991411,2cyclictest9265-21kworker/u8:010:43:050
4760991411,2cyclictest7620-21kworker/u8:011:53:040
4760991411,2cyclictest2827-21kworker/u8:110:34:050
4760991411,2cyclictest19299-21kworker/u8:210:36:040
476099140,2cyclictest0-21swapper/009:26:490
476099140,12cyclictest24769-21ssh10:54:030
476099140,12cyclictest0-21swapper/012:03:410
476099140,12cyclictest0-21swapper/010:29:050
476099140,12cyclictest0-21swapper/010:20:000
476099140,12cyclictest0-21swapper/009:40:320
476099140,12cyclictest0-21swapper/009:19:210
476099140,12cyclictest0-21swapper/009:19:210
93572130,2sleep00-21swapper/011:10:550
4765991310,2cyclictest28616-21ssh10:57:313
4765991310,2cyclictest21673-21kworker/3:110:20:183
4765991310,2cyclictest16151-21kworker/u8:210:50:053
4765991310,2cyclictest15150-21kworker/u8:208:28:023
4765991310,2cyclictest0-21swapper/312:04:073
4765991310,2cyclictest0-21swapper/311:52:583
4765991310,2cyclictest0-21swapper/311:08:183
4765991310,2cyclictest0-21swapper/310:36:043
4765991310,2cyclictest0-21swapper/310:31:573
4765991310,2cyclictest0-21swapper/310:25:153
4765991310,2cyclictest0-21swapper/307:41:033
476599130,2cyclictest0-21swapper/311:21:043
476599130,2cyclictest0-21swapper/309:50:103
476599130,2cyclictest0-21swapper/309:26:493
476599130,12cyclictest21141-21diskmemload12:26:103
476599130,12cyclictest21141-21diskmemload12:26:103
476599130,12cyclictest0-21swapper/312:06:093
476599130,12cyclictest0-21swapper/308:30:193
476599130,11cyclictest12264-21ssh11:14:533
476299137,4cyclictest18283-21ssh12:27:172
476299137,4cyclictest18283-21ssh12:27:162
476299133,7cyclictest28324-21ssh12:05:012
4762991310,2cyclictest1573-21ssh11:36:162
4762991310,2cyclictest0-21swapper/212:15:142
4762991310,2cyclictest0-21swapper/212:00:532
4762991310,2cyclictest0-21swapper/211:50:142
4762991310,2cyclictest0-21swapper/210:51:032
4762991310,2cyclictest0-21swapper/210:48:262
4762991310,2cyclictest0-21swapper/210:21:272
4762991310,2cyclictest0-21swapper/210:15:172
4762991310,2cyclictest0-21swapper/209:56:562
4762991310,2cyclictest0-21swapper/209:46:212
476299130,2cyclictest0-21swapper/211:11:362
476299130,12cyclictest0-21swapper/210:07:242
476299130,12cyclictest0-21swapper/209:25:462
476299130,12cyclictest0-21swapper/209:18:052
476299130,12cyclictest0-21swapper/209:18:042
4760991310,2cyclictest31171-21smartctl11:00:150
4760991310,2cyclictest15150-21kworker/u8:209:22:040
4760991310,2cyclictest0-21swapper/012:08:260
4760991310,2cyclictest0-21swapper/011:20:440
4760991310,2cyclictest0-21swapper/011:16:000
4760991310,2cyclictest0-21swapper/010:20:160
476099130,3cyclictest1737-21ssh11:36:310
476099130,2cyclictest0-21swapper/012:20:030
476099130,2cyclictest0-21swapper/009:53:140
476099130,2cyclictest0-21swapper/008:10:110
476099130,12cyclictest0-21swapper/009:33:080
285912130,0sleep0101ktimersoftd/011:30:550
135392130,2sleep00-21swapper/011:49:400
476599129,2cyclictest15150-21kworker/u8:208:10:043
476599129,2cyclictest15150-21kworker/u8:207:56:053
476599129,2cyclictest15150-21kworker/u8:207:54:023
476599120,3cyclictest5756-21ssh12:15:033
476599120,2cyclictest28495-21ssh11:30:463
476599120,11cyclictest20245-21copy07:45:363
476599120,11cyclictest0-21swapper/311:45:183
476599120,11cyclictest0-21swapper/311:02:193
476599120,11cyclictest0-21swapper/309:20:033
476599120,11cyclictest0-21swapper/308:51:033
476299129,2cyclictest0-21swapper/212:21:242
476299129,2cyclictest0-21swapper/210:10:132
476299129,2cyclictest0-21swapper/209:06:042
476299129,2cyclictest0-21swapper/208:00:132
476299129,2cyclictest0-21swapper/207:26:002
476299122,7cyclictest0-21swapper/209:03:012
476299122,7cyclictest0-21swapper/208:55:022
476299120,2cyclictest0-21swapper/211:00:372
476299120,2cyclictest0-21swapper/208:15:122
476299120,2cyclictest0-21swapper/207:15:392
476299120,11cyclictest0-21swapper/212:38:112
476299120,11cyclictest0-21swapper/212:30:512
476299120,11cyclictest0-21swapper/211:56:082
476299120,11cyclictest0-21swapper/211:05:292
476299120,11cyclictest0-21swapper/210:57:252
476299120,11cyclictest0-21swapper/210:26:092
476299120,11cyclictest0-21swapper/207:45:562
476099129,2cyclictest0-21swapper/008:25:100
476099128,2cyclictest9265-21kworker/u8:010:46:040
476099122,5cyclictest0-21swapper/009:55:000
4760991210,1cyclictest0-21swapper/007:21:010
476099120,2cyclictest0-21swapper/011:56:310
476099120,11cyclictest21141-21diskmemload12:31:230
476099120,11cyclictest15717-21ssh10:10:230
476099120,11cyclictest0-21swapper/012:15:100
476099120,11cyclictest0-21swapper/011:40:420
476099120,11cyclictest0-21swapper/010:56:040
476099120,11cyclictest0-21swapper/010:00:040
476099120,11cyclictest0-21swapper/008:55:130
476099120,11cyclictest0-21swapper/008:46:020
476099120,11cyclictest0-21swapper/008:20:010
476099120,11cyclictest0-21swapper/007:26:010
476599118,2cyclictest5041-21kworker/u8:007:22:043
476599118,2cyclictest24920-21kworker/u8:008:00:053
476599118,2cyclictest19842-21kworker/u8:207:13:053
476599118,2cyclictest11148-21kworker/u8:107:36:063
476599118,2cyclictest0-21swapper/308:20:133
476299118,2cyclictest0-21swapper/210:32:272
476299118,2cyclictest0-21swapper/208:40:172
476299112,5cyclictest0-21swapper/208:51:002
476299111,7cyclictest0-21swapper/207:23:582
476299110,2cyclictest0-21swapper/208:46:192
476099118,2cyclictest5041-21kworker/u8:007:35:040
476099116,3cyclictest0-21swapper/008:35:000
476099115,4cyclictest22150irq/25-ahci[00007:54:590
476099113,6cyclictest0-21swapper/007:12:500
476099111,6cyclictest0-21swapper/009:00:010
476099111,6cyclictest0-21swapper/008:05:110
476599107,2cyclictest24920-21kworker/u8:008:05:053
476599107,2cyclictest19842-21kworker/u8:207:15:053
476599107,2cyclictest0-21swapper/309:01:033
476599107,2cyclictest0-21swapper/308:40:123
476599102,5cyclictest0-21swapper/307:29:593
476599101,5cyclictest0-21swapper/308:40:003
476299105,3cyclictest6442-21head07:11:022
476299102,7cyclictest0-21swapper/208:08:022
476299102,5cyclictest0-21swapper/207:33:592
476099107,2cyclictest15150-21kworker/u8:208:38:060
476099107,2cyclictest0-21swapper/008:44:320
476099106,2cyclictest0-21swapper/008:00:000
476099101,5cyclictest0-21swapper/007:20:000
113992100,2sleep30-21swapper/308:45:143
47659995,2cyclictest37-21rcuc/307:31:033
47659994,3cyclictest3649-21snmpd09:08:123
47629994,3cyclictest24141-21grep07:55:162
47629992,5cyclictest0-21swapper/208:35:002
47629991,2cyclictest0-21swapper/208:25:102
47609996,2cyclictest11148-21kworker/u8:107:45:050
47609994,3cyclictest25586-21sh08:00:120
47609994,3cyclictest19599-21cpuspeed_turbos09:05:140
47609990,8cyclictest0-21swapper/007:33:470
47609983,3cyclictest32021-21gltestperf08:15:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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