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2026-05-05 - 14:36

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 May 05, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1876921420,0sleep20-21swapper/211:15:112
222182114103,6sleep30-21swapper/307:09:303
21541211099,6sleep10-21swapper/107:05:531
21991210988,16sleep00-21swapper/007:06:360
22105210897,6sleep20-21swapper/207:08:062
16812870,0sleep20-21swapper/212:06:372
252822740,0sleep30-21swapper/309:30:143
10502740,1sleep1221ktimersoftd/108:55:171
72822720,0sleep20-21swapper/212:13:072
293602680,1sleep30-21swapper/309:35:033
242482670,0sleep10-21swapper/111:55:541
2228499350,17cyclictest0-21swapper/210:55:112
2228499277,18cyclictest31-21ksoftirqd/210:35:112
2228499231,17cyclictest0-21swapper/209:47:042
2228499220,5cyclictest0-21swapper/210:54:042
2228299221,19cyclictest0-21swapper/007:15:120
2228299220,20cyclictest5405-21kworker/u8:110:35:110
2228499212,2cyclictest0-21swapper/210:14:042
2228499212,2cyclictest0-21swapper/208:16:042
22284992118,2cyclictest12748-21kworker/u8:208:09:042
22284992118,2cyclictest12748-21kworker/u8:208:09:042
2228299210,19cyclictest0-21swapper/012:05:100
22286992017,2cyclictest5099-21kworker/u8:010:18:053
2228499202,2cyclictest6926-21kworker/2:011:11:042
22284992017,2cyclictest4642-21kworker/u8:107:35:042
2228499201,2cyclictest0-21swapper/210:09:042
2228499201,2cyclictest0-21swapper/209:38:052
2228499200,4cyclictest0-21swapper/211:35:052
22282992017,2cyclictest0-21swapper/012:00:110
22286991916,2cyclictest5099-21kworker/u8:009:55:053
22286991916,2cyclictest381-21kworker/u8:110:59:043
22286991916,2cyclictest21074-21kworker/u8:210:42:043
2228699190,18cyclictest0-21swapper/312:05:113
22284991916,2cyclictest16254-21kworker/u8:108:32:042
2228499191,2cyclictest0-21swapper/212:18:052
2228499191,16cyclictest0-21swapper/211:50:052
2228499190,2cyclictest0-21swapper/208:22:042
2228499190,18cyclictest0-21swapper/207:45:042
2228399190,17cyclictest0-21swapper/112:05:111
22286991815,2cyclictest7846-21kworker/u8:211:17:033
22286991815,2cyclictest19295-21kworker/u8:209:42:013
22286991815,2cyclictest15609-21kworker/u8:110:00:043
2228499181,2cyclictest0-21swapper/211:43:052
2228499181,2cyclictest0-21swapper/209:11:042
2228499180,2cyclictest0-21swapper/212:38:012
2228499180,2cyclictest0-21swapper/211:23:042
2228499180,2cyclictest0-21swapper/211:23:042
2228499180,2cyclictest0-21swapper/209:05:042
2228499180,2cyclictest0-21swapper/207:55:042
2228499180,16cyclictest6322-21diskmemload10:25:122
2228499180,16cyclictest0-21swapper/211:28:032
2228499180,16cyclictest0-21swapper/207:15:122
22286991714,2cyclictest7846-21kworker/u8:211:56:023
22286991714,2cyclictest5099-21kworker/u8:010:10:043
22286991714,2cyclictest30315-21kworker/u8:011:34:023
22286991714,2cyclictest20217-21kworker/u8:012:03:043
22286991713,3cyclictest6198-21kworker/u8:109:10:013
22286991712,3cyclictest0-21swapper/308:39:543
2228699171,14cyclictest0-21swapper/308:50:133
2228499170,2cyclictest0-21swapper/212:26:052
2228499170,2cyclictest0-21swapper/208:48:012
2228499170,2cyclictest0-21swapper/207:20:042
2228399170,15cyclictest20716-21aten2.4_r3power10:05:121
2228699161,3cyclictest9928-21aten2.4-expect10:30:123
22286991613,2cyclictest8576-21kworker/u8:008:02:043
22286991613,2cyclictest7846-21kworker/u8:212:14:013
22286991613,2cyclictest6198-21kworker/u8:109:09:043
22286991613,2cyclictest5099-21kworker/u8:010:20:043
22286991613,2cyclictest4037-21kworker/u8:207:48:013
22286991613,2cyclictest2514-21kworker/u8:009:04:033
22286991613,2cyclictest15887-21kworker/u8:010:38:043
2228699160,2cyclictest0-21swapper/311:48:043
2228699160,2cyclictest0-21swapper/311:14:013
2228699160,14cyclictest0-21swapper/309:22:043
22284991611,3cyclictest0-21swapper/210:46:022
2228499160,2cyclictest0-21swapper/208:55:042
22283991613,2cyclictest7846-21kworker/u8:211:48:041
22283991613,2cyclictest7846-21kworker/u8:211:14:011
22283991613,2cyclictest26359-21kworker/u8:009:36:041
22286991512,2cyclictest7846-21kworker/u8:211:42:043
22286991512,2cyclictest7846-21kworker/u8:211:36:053
22286991512,2cyclictest6292-21kworker/u8:107:58:033
22286991512,2cyclictest4642-21kworker/u8:107:19:043
22286991512,2cyclictest28797-21kworker/u8:208:57:043
22286991512,2cyclictest2514-21kworker/u8:009:18:043
22286991512,2cyclictest20799-21kworker/u8:008:44:043
22286991512,2cyclictest18702-21kworker/u8:111:26:043
22286991512,2cyclictest15887-21kworker/u8:010:46:043
22286991512,2cyclictest10653-21kworker/u8:209:53:033
2228699150,8cyclictest0-21swapper/312:34:053
2228699150,3cyclictest22351-21munin-node3
2228499151,2cyclictest0-21swapper/208:26:042
22284991512,2cyclictest0-21swapper/208:40:132
2228499151,12cyclictest5495-21diskstats11:00:142
2228499150,2cyclictest0-21swapper/207:13:042
2228399152,2cyclictest0-21swapper/112:24:571
22283991512,2cyclictest5099-21kworker/u8:010:15:051
22283991512,2cyclictest4642-21kworker/u8:107:18:041
22283991510,2cyclictest0-21swapper/109:27:441
2228399150,13cyclictest0-21swapper/109:57:231
22282991510,3cyclictest18680-21munin-node0
2228299150,13cyclictest24749-21ssh09:30:020
2228299150,13cyclictest17315-21ssh10:00:020
165322151,2sleep06322-21diskmemload09:59:100
271082141,3sleep127279-21perl08:40:161
22286991411,2cyclictest5405-21kworker/u8:110:28:013
22286991411,2cyclictest4642-21kworker/u8:107:30:033
22286991411,2cyclictest4642-21kworker/u8:107:27:043
22286991411,2cyclictest4642-21kworker/u8:107:21:043
22286991411,2cyclictest4037-21kworker/u8:207:51:043
22286991411,2cyclictest32078-21kworker/u8:112:35:053
22286991411,2cyclictest28797-21kworker/u8:208:46:043
22286991411,2cyclictest20217-21kworker/u8:011:53:053
22286991411,2cyclictest12748-21kworker/u8:208:06:013
22286991411,2cyclictest12748-21kworker/u8:208:06:013
22286991411,2cyclictest0-21swapper/308:10:183
22286991411,2cyclictest0-21swapper/308:10:173
2228699140,2cyclictest0-21swapper/312:21:053
2228699140,13cyclictest0-21swapper/311:20:143
2228699140,13cyclictest0-21swapper/311:20:143
22284991411,2cyclictest0-21swapper/209:01:022
22284991411,2cyclictest0-21swapper/207:51:032
2228499140,3cyclictest0-21swapper/210:00:052
2228499140,2cyclictest20221-21apt-get09:25:112
2228499140,13cyclictest0-21swapper/210:30:132
22283991411,2cyclictest32078-21kworker/u8:112:34:051
22283991411,2cyclictest0-21swapper/112:38:131
22283991411,2cyclictest0-21swapper/110:14:581
22283991411,2cyclictest0-21swapper/109:05:201
2228399140,2cyclictest0-21swapper/110:40:131
2228399140,13cyclictest0-21swapper/109:53:081
2228399140,13cyclictest0-21swapper/109:31:031
2228399140,12cyclictest9798-21apt-get10:30:101
2228399140,12cyclictest6322-21diskmemload11:50:121
2228399140,12cyclictest3475-21diskmemload10:22:421
2228299149,3cyclictest18639-21munin-node0
2228299142,7cyclictest0-21swapper/011:05:000
2228299142,7cyclictest0-21swapper/009:00:010
22282991411,2cyclictest0-21swapper/011:13:520
22282991411,2cyclictest0-21swapper/010:44:020
2228299140,3cyclictest5189-21awk07:45:160
2228299140,2cyclictest0-21swapper/012:20:520
2228299140,13cyclictest6322-21diskmemload11:57:320
2228299140,12cyclictest20834-21ssh09:25:160
2228299140,12cyclictest13230-21hwlatdetect08:05:170
2228299140,12cyclictest13230-21hwlatdetect08:05:170
22286991310,2cyclictest7846-21kworker/u8:211:06:043
22286991310,2cyclictest4642-21kworker/u8:107:12:043
22286991310,2cyclictest21074-21kworker/u8:210:52:033
22286991310,2cyclictest10939-21kworker/u8:012:25:043
22286991310,2cyclictest0-21swapper/309:46:033
2228499139,2cyclictest0-21swapper/209:21:282
2228499138,3cyclictest0-21swapper/212:24:002
2228499132,7cyclictest0-21swapper/209:54:232
2228499131,3cyclictest1854-21sh11:31:202
22284991310,2cyclictest0-21swapper/211:55:152
22284991310,2cyclictest0-21swapper/210:20:382
22284991310,2cyclictest0-21swapper/209:42:242
2228499130,11cyclictest0-21swapper/211:46:212
2228499130,11cyclictest0-21swapper/210:40:282
2228499130,11cyclictest0-21swapper/210:17:232
2228499130,11cyclictest0-21swapper/208:35:162
2228399131,2cyclictest0-21swapper/111:30:211
22283991310,2cyclictest24842-21munin-node1
22283991310,2cyclictest24842-21munin-node1
22283991310,2cyclictest0-21swapper/112:16:021
22283991310,2cyclictest0-21swapper/111:41:001
22283991310,2cyclictest0-21swapper/111:36:001
22283991310,2cyclictest0-21swapper/111:25:251
22283991310,2cyclictest0-21swapper/111:15:361
22283991310,2cyclictest0-21swapper/111:05:531
22283991310,2cyclictest0-21swapper/110:55:151
22283991310,2cyclictest0-21swapper/110:50:591
22283991310,2cyclictest0-21swapper/110:45:121
22283991310,2cyclictest0-21swapper/109:45:021
22283991310,2cyclictest0-21swapper/109:40:391
22283991310,2cyclictest0-21swapper/109:20:111
2228399130,2cyclictest0-21swapper/112:27:531
2228399130,2cyclictest0-21swapper/112:10:371
2228399130,2cyclictest0-21swapper/110:00:241
2228399130,2cyclictest0-21swapper/108:45:061
2228399130,12cyclictest0-21swapper/112:01:141
2228399130,12cyclictest0-21swapper/111:03:511
2228399130,12cyclictest0-21swapper/110:35:331
2228399130,12cyclictest0-21swapper/110:27:161
2228399130,12cyclictest0-21swapper/109:18:231
2228399130,12cyclictest0-21swapper/109:11:051
2228399130,12cyclictest0-21swapper/108:05:161
2228399130,12cyclictest0-21swapper/108:05:151
2228299139,3cyclictest0-21swapper/007:30:180
22282991310,2cyclictest0-21swapper/012:15:120
22282991310,2cyclictest0-21swapper/011:37:520
22282991310,2cyclictest0-21swapper/009:54:320
22282991310,2cyclictest0-21swapper/009:21:020
2228299130,2cyclictest0-21swapper/012:36:020
2228299130,2cyclictest0-21swapper/011:46:120
2228299130,2cyclictest0-21swapper/011:15:110
2228299130,2cyclictest0-21swapper/009:48:120
2228299130,2cyclictest0-21swapper/008:45:010
2228299130,2cyclictest0-21swapper/008:20:180
2228299130,12cyclictest0-21swapper/009:42:410
2228299130,12cyclictest0-21swapper/008:15:120
2228299130,11cyclictest0-21swapper/011:21:140
2228299130,11cyclictest0-21swapper/011:21:130
314822120,1sleep00-21swapper/009:36:170
300442120,1sleep00-21swapper/011:26:360
236282120,2sleep223638-21ssh12:30:352
2228699120,2cyclictest0-21swapper/309:27:033
2228699120,11cyclictest0-21swapper/312:17:333
2228699120,11cyclictest0-21swapper/311:03:043
2228699120,11cyclictest0-21swapper/308:25:133
2228699120,11cyclictest0-21swapper/307:36:033
2228499129,2cyclictest0-21swapper/209:30:532
2228499129,2cyclictest0-21swapper/208:00:122
2228499128,2cyclictest11552-21sh11:06:072
2228499122,7cyclictest0-21swapper/209:58:592
2228499122,7cyclictest0-21swapper/209:16:592
2228499120,2cyclictest0-21swapper/207:26:022
2228499120,11cyclictest0-21swapper/212:00:152
2228499120,11cyclictest0-21swapper/207:30:262
2228399129,2cyclictest24844-21aten2.4-expect08:35:111
2228399129,2cyclictest0-21swapper/108:54:401
2228399129,2cyclictest0-21swapper/108:15:141
2228399128,2cyclictest0-21swapper/108:30:171
2228399121,9cyclictest2351-21munin-node1
2228399120,2cyclictest0-21swapper/107:49:261
2228399120,11cyclictest0-21swapper/108:10:511
2228399120,11cyclictest0-21swapper/108:10:511
2228399120,11cyclictest0-21swapper/107:26:041
2228399120,11cyclictest0-21swapper/107:11:021
2228299129,2cyclictest0-21swapper/012:32:480
2228299129,2cyclictest0-21swapper/010:58:310
2228299129,2cyclictest0-21swapper/010:24:220
2228299129,2cyclictest0-21swapper/010:15:120
2228299129,2cyclictest0-21swapper/009:11:510
2228299129,2cyclictest0-21swapper/008:00:120
2228299122,6cyclictest5650-21ssh12:11:010
2228299122,5cyclictest0-21swapper/007:15:000
2228299121,6cyclictest0-21swapper/011:40:000
2228299121,3cyclictest0-21swapper/008:30:000
2228299120,6cyclictest0-21swapper/008:40:010
2228299120,2cyclictest0-21swapper/011:05:150
2228299120,2cyclictest0-21swapper/010:49:200
2228299120,1cyclictest0-21swapper/010:30:510
2228299120,11cyclictest0-21swapper/010:50:150
2228299120,11cyclictest0-21swapper/009:15:110
2228299120,11cyclictest0-21swapper/008:11:020
2228299120,11cyclictest0-21swapper/008:11:020
62212110,1sleep00-21swapper/010:25:190
2228499116,3cyclictest3788-21grep07:41:022
2228399118,2cyclictest0-21swapper/107:57:271
2228399110,9cyclictest0-21swapper/108:00:121
2228399110,10cyclictest0-21swapper/107:50:271
2228299118,2cyclictest0-21swapper/007:55:320
2228299116,3cyclictest25084-21diskstats08:35:120
2228299111,7cyclictest0-21swapper/009:02:590
2228299110,3cyclictest30355-21invoke-rc.d07:30:000
2228299110,3cyclictest28103-21grep10:15:000
2228299110,1cyclictest0-21swapper/010:05:510
2228699107,2cyclictest0-21swapper/308:30:133
2228699100,2cyclictest0-21swapper/307:42:043
2228399107,2cyclictest4642-21kworker/u8:107:22:031
2228399107,2cyclictest32390-21apt-get07:35:011
2228399107,2cyclictest16254-21kworker/u8:108:27:031
2228399107,2cyclictest0-21swapper/108:20:121
2228399107,2cyclictest0-21swapper/107:30:271
2228399100,2cyclictest2350-21munin-node1
2228299107,2cyclictest0-21swapper/007:54:350
2228299105,3cyclictest32486-21tr11:30:130
2228299102,5cyclictest0-21swapper/007:38:590
2228299101,7cyclictest63112sleep009:09:590
222869994,3cyclictest18708-21cut08:20:123
222869994,3cyclictest16712-21aten2.4_r3power08:15:123
222849994,3cyclictest31376-21wc08:50:162
222849994,3cyclictest16353-21chrt08:14:192
222849994,3cyclictest16353-21chrt08:14:192
222829994,3cyclictest27387-21tr07:20:170
222829994,3cyclictest0-21swapper/008:50:160
222829983,3cyclictest2608-21tr07:40:120
222829981,3cyclictest22944-21grep08:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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