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2026-08-18 - 14:47

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 Tue Aug 18, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1866821250,0sleep20-21swapper/210:23:402
25970211996,15sleep20-21swapper/207:06:012
25878211995,19sleep00-21swapper/007:05:550
26452210797,6sleep10-21swapper/107:08:171
26387210797,6sleep30-21swapper/307:07:273
60572760,0sleep10-21swapper/109:37:221
211602690,0sleep10-21swapper/110:59:301
211602690,0sleep10-21swapper/110:59:301
313462670,0sleep00-21swapper/011:42:060
305672540,0sleep00-21swapper/012:15:130
26620993615,19cyclictest0-21swapper/310:15:103
26620993214,16cyclictest0-21swapper/311:45:103
81782270,1sleep1221ktimersoftd/110:45:201
61982210,0sleep00-21swapper/011:50:120
26619992118,2cyclictest26046-21kworker/u8:109:17:042
26619991916,2cyclictest20664-21kworker/u8:109:55:042
26619991916,2cyclictest12073-21kworker/u8:010:59:042
26619991916,2cyclictest12073-21kworker/u8:010:59:032
26619991815,2cyclictest23365-21kworker/u8:009:24:042
26617991815,2cyclictest15985-21kworker/u8:209:27:040
26619991714,2cyclictest31985-21kworker/u8:110:43:042
26619991714,2cyclictest31985-21kworker/u8:110:39:042
26619991714,2cyclictest29917-21kworker/u8:109:30:052
26619991714,2cyclictest29001-21kworker/u8:007:44:042
26619991714,2cyclictest27832-21kworker/u8:012:20:042
26619991714,2cyclictest21200-21kworker/u8:311:01:042
26619991714,2cyclictest21200-21kworker/u8:311:01:042
26619991714,2cyclictest15046-21kworker/u8:110:28:042
2661999170,15cyclictest0-21swapper/211:46:042
26618991712,3cyclictest739-21grep10:05:151
26618991712,3cyclictest0-21swapper/109:55:151
26617991714,2cyclictest30145-21kworker/u8:011:46:040
270732160,3sleep027301-21tr08:30:130
2662099161,13cyclictest0-21swapper/312:20:053
2662099161,13cyclictest0-21swapper/308:21:033
26619991613,2cyclictest8192-21kworker/u8:212:13:032
26619991613,2cyclictest30145-21kworker/u8:011:10:012
26619991613,2cyclictest27832-21kworker/u8:012:16:012
26619991613,2cyclictest26046-21kworker/u8:109:05:042
26619991613,2cyclictest24132-21kworker/u8:210:30:002
26619991613,2cyclictest23365-21kworker/u8:009:44:042
26619991613,2cyclictest14415-21kworker/u8:011:59:042
26617991613,2cyclictest3536-21kworker/u8:111:15:040
26617991613,2cyclictest31964-21kworker/u8:210:18:040
26617991613,2cyclictest15235-21kworker/u8:209:54:040
2662099152,7cyclictest0-21swapper/307:15:003
2662099151,12cyclictest11799-21cat09:10:163
26620991510,3cyclictest9543-21sendmail-mta11:54:073
2661999151,3cyclictest0-21swapper/209:50:112
26619991512,2cyclictest26616-21cyclictest12:25:042
26619991512,2cyclictest26046-21kworker/u8:108:55:042
26619991512,2cyclictest20664-21kworker/u8:110:06:002
2661999150,2cyclictest0-21swapper/209:27:042
2661999150,13cyclictest0-21swapper/211:15:042
2661999150,13cyclictest0-21swapper/210:18:042
26617991512,2cyclictest24132-21kworker/u8:210:33:040
26617991512,2cyclictest23365-21kworker/u8:009:45:040
26617991512,2cyclictest21200-21kworker/u8:311:05:040
26617991512,2cyclictest20812-21apt-get09:20:120
2661799150,2cyclictest14032-21apt-get11:25:120
2661799150,13cyclictest8320-21updatedb.mlocat07:41:100
2662099141,3cyclictest12023-21ssh10:50:103
26620991411,2cyclictest10665-21diskmemload09:36:563
2662099141,11cyclictest25269-21ssh11:35:533
26620991410,2cyclictest0-21swapper/307:20:113
26620991410,2cyclictest0-21swapper/307:20:113
2662099140,3cyclictest2603-21ssh11:13:133
2662099140,12cyclictest31619-21hddtemp_smartct08:40:163
2662099140,12cyclictest0-21swapper/310:02:013
26619991411,2cyclictest8810-21ssh10:46:032
26619991411,2cyclictest507-21kworker/u8:207:36:052
26619991411,2cyclictest26749-21kworker/u8:010:01:042
26619991411,2cyclictest26513-21kworker/u8:107:15:042
26619991411,2cyclictest26046-21kworker/u8:108:53:042
26619991411,2cyclictest14415-21kworker/u8:012:03:042
26619991411,2cyclictest0-21swapper/211:07:292
2661999140,2cyclictest0-21swapper/210:54:592
2661999140,2cyclictest0-21swapper/208:05:122
2661999140,13cyclictest0-21swapper/212:39:382
2661999140,13cyclictest0-21swapper/212:33:392
2661999140,13cyclictest0-21swapper/209:13:192
2661899142,7cyclictest0-21swapper/112:29:591
2661899141,2cyclictest4734-21aten2.4_r3power07:35:121
2661899141,2cyclictest207150irq/24-eth112:16:251
2661899141,11cyclictest29616-21memory07:15:161
2661899140,3cyclictest16314-21rm10:54:341
2661899140,2cyclictest0-21swapper/107:25:141
26617991411,2cyclictest8192-21kworker/u8:211:55:040
26617991411,2cyclictest30145-21kworker/u8:011:34:040
26617991411,2cyclictest21200-21kworker/u8:311:02:040
26617991411,2cyclictest21200-21kworker/u8:311:02:040
26617991410,2cyclictest0-21swapper/010:26:040
2661799140,12cyclictest0-21swapper/012:26:110
2661799140,12cyclictest0-21swapper/011:35:120
2661799140,12cyclictest0-21swapper/010:41:420
2661799140,12cyclictest0-21swapper/009:17:040
2661799140,12cyclictest0-21swapper/009:00:140
2661799140,12cyclictest0-21swapper/007:25:520
213692141,9sleep021471-21iostat_ios12:05:160
2662099139,2cyclictest32139-21ssh09:30:573
2662099132,7cyclictest12707-21copy07:55:013
2662099132,6cyclictest0-21swapper/308:15:013
2662099131,7cyclictest0-21swapper/307:40:003
26620991310,2cyclictest15117-21ssh12:31:533
26620991310,2cyclictest0-21swapper/311:27:433
26620991310,2cyclictest0-21swapper/311:17:103
26620991310,2cyclictest0-21swapper/311:05:173
26620991310,2cyclictest0-21swapper/310:28:273
26620991310,2cyclictest0-21swapper/309:23:063
2662099130,2cyclictest26127-21ssh10:30:423
2662099130,2cyclictest0-21swapper/312:05:543
2662099130,2cyclictest0-21swapper/311:55:443
2662099130,2cyclictest0-21swapper/308:16:043
2662099130,2cyclictest0-21swapper/307:40:513
2662099130,12cyclictest0-21swapper/312:00:363
2662099130,12cyclictest0-21swapper/311:04:073
2662099130,12cyclictest0-21swapper/311:04:073
2662099130,12cyclictest0-21swapper/310:09:173
2662099130,11cyclictest0-21swapper/312:28:383
2662099130,11cyclictest0-21swapper/309:52:223
26619991310,2cyclictest507-21kworker/u8:207:47:042
26619991310,2cyclictest31763-21kworker/u8:111:50:052
26619991310,2cyclictest29001-21kworker/u8:007:27:042
26619991310,2cyclictest28554-21kworker/u8:208:36:042
26619991310,2cyclictest26513-21kworker/u8:107:24:042
26619991310,2cyclictest26513-21kworker/u8:107:24:042
26619991310,2cyclictest26513-21kworker/u8:107:14:042
26619991310,2cyclictest0-21swapper/211:36:042
26619991310,2cyclictest0-21swapper/209:35:102
26619991310,2cyclictest0-21swapper/208:16:032
26619991310,2cyclictest0-21swapper/207:55:172
2661999130,2cyclictest14108-21ssh11:25:132
2661999130,2cyclictest0-21swapper/211:21:462
2661999130,2cyclictest0-21swapper/209:45:042
2661999130,2cyclictest0-21swapper/208:45:182
2661999130,12cyclictest0-21swapper/211:43:292
2661999130,12cyclictest0-21swapper/211:33:402
2661999130,12cyclictest0-21swapper/210:14:262
2661999130,12cyclictest0-21swapper/208:20:182
2661999130,11cyclictest0-21swapper/212:07:112
2661899138,3cyclictest0-21swapper/109:45:151
2661899138,3cyclictest0-21swapper/107:24:441
2661899138,3cyclictest0-21swapper/107:24:441
26618991310,2cyclictest0-21swapper/110:34:051
2661899130,2cyclictest0-21swapper/112:09:231
2661899130,2cyclictest0-21swapper/112:03:141
2661899130,2cyclictest0-21swapper/111:55:141
2661899130,2cyclictest0-21swapper/111:35:131
2661899130,12cyclictest0-21swapper/112:30:141
2661899130,12cyclictest0-21swapper/110:24:051
2661899130,11cyclictest17483-21munin-node1
2661899130,11cyclictest0-21swapper/112:21:341
2661899130,11cyclictest0-21swapper/111:01:501
2661899130,11cyclictest0-21swapper/111:01:501
2661899130,11cyclictest0-21swapper/109:15:171
26617991310,2cyclictest9086-21munin-node0
26617991310,2cyclictest8192-21kworker/u8:212:35:040
26617991310,2cyclictest507-21kworker/u8:208:17:040
26617991310,2cyclictest15235-21kworker/u8:209:58:030
26617991310,2cyclictest0-21swapper/012:20:130
26617991310,2cyclictest0-21swapper/012:04:580
26617991310,2cyclictest0-21swapper/011:21:040
26617991310,2cyclictest0-21swapper/010:01:590
26617991310,2cyclictest0-21swapper/008:55:060
2661799130,2cyclictest26779-21ssh12:10:300
2661799130,2cyclictest0-21swapper/012:30:120
2661799130,2cyclictest0-21swapper/010:39:110
2661799130,2cyclictest0-21swapper/009:40:130
2661799130,12cyclictest14424-21ssh10:51:400
2661799130,12cyclictest0-21swapper/010:56:040
2661799130,12cyclictest0-21swapper/010:56:040
2661799130,12cyclictest0-21swapper/010:22:390
2661799130,12cyclictest0-21swapper/009:32:300
2661799130,12cyclictest0-21swapper/009:14:020
2661799130,12cyclictest0-21swapper/007:21:000
2661799130,12cyclictest0-21swapper/007:21:000
2661799130,11cyclictest0-21swapper/007:10:120
53842120,8sleep00-21swapper/009:36:210
2662099129,2cyclictest0-21swapper/311:40:043
2662099129,2cyclictest0-21swapper/311:30:333
2662099129,2cyclictest0-21swapper/310:10:193
2662099129,2cyclictest0-21swapper/309:55:363
2662099129,2cyclictest0-21swapper/309:45:293
2662099129,2cyclictest0-21swapper/309:40:113
2662099129,2cyclictest0-21swapper/308:01:033
2662099129,2cyclictest0-21swapper/307:25:313
2662099123,6cyclictest0-21swapper/307:16:013
2662099122,7cyclictest0-21swapper/307:56:593
2662099120,2cyclictest0-21swapper/312:37:473
2662099120,2cyclictest0-21swapper/312:15:033
2662099120,2cyclictest0-21swapper/310:20:363
2662099120,11cyclictest0-21swapper/312:12:353
2662099120,11cyclictest0-21swapper/311:20:013
2662099120,11cyclictest0-21swapper/310:56:043
2662099120,11cyclictest0-21swapper/310:56:043
2662099120,11cyclictest0-21swapper/310:45:593
2662099120,11cyclictest0-21swapper/310:40:133
2662099120,11cyclictest0-21swapper/310:35:523
2662099120,11cyclictest0-21swapper/309:28:073
2662099120,11cyclictest0-21swapper/309:18:013
2661999120,2cyclictest0-21swapper/208:31:022
2661999120,11cyclictest0-21swapper/208:10:132
2661899129,2cyclictest0-21swapper/111:45:041
2661899129,2cyclictest0-21swapper/111:30:431
2661899129,2cyclictest0-21swapper/111:23:351
2661899129,2cyclictest0-21swapper/110:40:431
2661899129,2cyclictest0-21swapper/110:11:431
2661899129,2cyclictest0-21swapper/109:42:051
2661899129,2cyclictest0-21swapper/109:27:021
2661899129,2cyclictest0-21swapper/109:13:531
2661899129,2cyclictest0-21swapper/108:25:211
2661899129,2cyclictest0-21swapper/108:16:041
2661899129,2cyclictest0-21swapper/107:40:131
2661899122,7cyclictest0-21swapper/111:16:591
2661899121,9cyclictest4810-21apt-get08:55:121
2661899121,9cyclictest10872-21apt-get07:50:101
2661899120,2cyclictest10665-21diskmemload10:25:041
2661899120,2cyclictest0-21swapper/112:10:121
2661899120,2cyclictest0-21swapper/110:02:231
2661899120,2cyclictest0-21swapper/108:40:521
2661899120,2cyclictest0-21swapper/107:10:301
2661899120,11cyclictest0-21swapper/111:51:531
2661899120,11cyclictest0-21swapper/111:14:231
2661899120,11cyclictest0-21swapper/111:09:251
2661899120,11cyclictest0-21swapper/110:35:421
2661899120,11cyclictest0-21swapper/109:50:161
2661899120,11cyclictest0-21swapper/109:31:151
2661899120,11cyclictest0-21swapper/109:22:251
2661899120,11cyclictest0-21swapper/108:00:131
2661899120,11cyclictest0-21swapper/107:55:041
2661899120,10cyclictest11258-21ssh10:15:271
2661799129,2cyclictest28554-21kworker/u8:208:40:040
2661799129,2cyclictest26046-21kworker/u8:108:54:040
2661799129,2cyclictest0-21swapper/008:20:150
2661799129,2cyclictest0-21swapper/008:00:170
2661799120,2cyclictest0-21swapper/011:10:280
2661799120,2cyclictest0-21swapper/010:10:200
2661799120,2cyclictest0-21swapper/010:06:410
2661799120,11cyclictest0-21swapper/009:06:040
2662099118,2cyclictest0-21swapper/308:34:263
2662099118,2cyclictest0-21swapper/308:26:053
2662099116,3cyclictest0-21swapper/308:35:163
2662099110,9cyclictest0-21swapper/308:49:553
2662099110,2cyclictest0-21swapper/307:45:183
2661999110,10cyclictest0-21swapper/208:03:412
2661899118,2cyclictest0-21swapper/111:25:121
2661899110,9cyclictest0-21swapper/108:51:031
2661899110,3cyclictest0-21swapper/109:00:151
2661899110,10cyclictest0-21swapper/111:40:491
2661799118,2cyclictest507-21kworker/u8:207:49:040
2661799118,2cyclictest26046-21kworker/u8:108:49:040
2662099105,3cyclictest3641-21awk08:50:183
2662099100,9cyclictest29001-21kworker/u8:007:30:043
2662099100,9cyclictest0-21swapper/309:04:553
2662099100,9cyclictest0-21swapper/308:57:393
2661999107,2cyclictest0-21swapper/209:00:192
2661999107,2cyclictest0-21swapper/208:43:592
2661999107,2cyclictest0-21swapper/207:51:392
2661999100,9cyclictest0-21swapper/207:34:482
2661899107,2cyclictest0-21swapper/109:05:131
2661899107,2cyclictest0-21swapper/108:45:121
2661899107,2cyclictest0-21swapper/108:05:131
2661899100,9cyclictest0-21swapper/108:14:341
2661899100,8cyclictest8865-21apt-get07:45:111
2661899100,8cyclictest0-21swapper/108:35:101
2661899100,8cyclictest0-21swapper/108:20:151
2661899100,2cyclictest0-21swapper/107:30:411
2661799107,2cyclictest0-21swapper/007:55:200
2661799107,2cyclictest0-21swapper/007:35:120
2661799107,2cyclictest0-21swapper/007:34:180
2661799100,2cyclictest0-21swapper/007:53:320
266209994,3cyclictest18784-21cat08:10:013
266209991,3cyclictest0-21swapper/309:05:173
266199996,2cyclictest26046-21kworker/u8:108:26:042
266189996,2cyclictest0-21swapper/108:31:031
266179996,2cyclictest28554-21kworker/u8:208:35:040
266179990,7cyclictest0-21swapper/007:15:160
17611290,1sleep00-21swapper/008:05:170
266179985,2cyclictest26046-21kworker/u8:108:27:040
266179980,7cyclictest0-21swapper/008:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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