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2026-07-10 - 18:29

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Fri Jul 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3142721090,0sleep10-21swapper/110:16:571
14794210998,6sleep30-21swapper/307:06:223
14804210886,17sleep10-21swapper/107:06:281
14918210695,6sleep20-21swapper/207:07:572
14838210079,16sleep00-21swapper/007:06:550
183182740,0sleep10-21swapper/110:36:441
262272730,0sleep20-21swapper/210:11:202
13212710,0sleep20-21swapper/209:45:522
15110993515,18cyclictest0-21swapper/309:15:113
1510899271,18cyclictest0-21swapper/109:25:131
246362260,1sleep30-21swapper/310:44:043
239782260,2sleep339-21ksoftirqd/310:10:023
1510799250,10cyclictest0-21swapper/011:35:110
1510999222,7cyclictest0-21swapper/211:04:062
1510999222,7cyclictest0-21swapper/211:04:052
15109992219,2cyclictest10116-21kworker/u8:108:55:052
15109992118,2cyclictest7155-21kworker/u8:111:38:052
15108992114,5cyclictest30151-21ssh09:42:041
15109992017,2cyclictest595-21kworker/u8:011:30:052
15109992017,2cyclictest23950-21kworker/u8:209:40:042
15109992017,2cyclictest20712-21kworker/u8:210:43:042
15109992017,2cyclictest18873-21kworker/u8:212:22:062
15109991916,2cyclictest31172-21kworker/u8:007:52:012
15109991916,2cyclictest28438-21kworker/u8:007:28:042
15109991916,2cyclictest26923-21kworker/u8:111:20:042
15109991916,2cyclictest26752-21kworker/u8:009:10:052
15109991916,2cyclictest12552-21kworker/u8:009:34:042
15109991916,2cyclictest1004-21kworker/u8:109:15:042
1510999190,2cyclictest0-21swapper/211:10:022
1510999190,2cyclictest0-21swapper/211:10:012
1510899190,2cyclictest0-21swapper/110:20:101
1510799191,2cyclictest0-21swapper/010:50:120
1511099180,2cyclictest0-21swapper/310:20:103
15109991815,2cyclictest29830-21kworker/u8:112:15:042
15109991815,2cyclictest2045-21kworker/u8:210:56:012
15109991815,2cyclictest18525-21kworker/u8:207:23:042
15109991815,2cyclictest16820-21kworker/u8:008:37:042
1510999181,2cyclictest0-21swapper/209:35:052
1510999180,2cyclictest0-21swapper/211:43:052
1510899180,16cyclictest30558-21diskmemload09:15:111
15109991714,2cyclictest4831-21kworker/u8:312:27:042
15109991714,2cyclictest29476-21kworker/u8:010:05:042
15109991714,2cyclictest28438-21kworker/u8:007:38:022
15109991714,2cyclictest27645-21kworker/u8:011:06:012
15109991714,2cyclictest23734-21kworker/u8:208:52:042
15109991714,2cyclictest21123-21kworker/u8:108:05:042
15109991714,2cyclictest18257-21kworker/u8:111:46:042
15109991714,2cyclictest14930-21kworker/u8:107:15:042
15109991714,2cyclictest12733-21kworker/u8:208:33:052
1510999170,2cyclictest0-21swapper/212:05:042
15108991714,2cyclictest19299-21kworker/u8:110:28:061
15108991714,2cyclictest1004-21kworker/u8:109:24:041
1510899170,15cyclictest0-21swapper/107:30:131
1510799170,15cyclictest0-21swapper/010:20:110
1511099169,4cyclictest22838-21ssh11:49:223
15109991613,2cyclictest31172-21kworker/u8:007:57:042
15109991613,2cyclictest29476-21kworker/u8:009:50:012
15109991613,2cyclictest23388-21kworker/u8:212:01:042
1510999160,2cyclictest0-21swapper/210:45:042
1510999160,15cyclictest0-21swapper/210:18:042
1510999160,13cyclictest0-21swapper/210:20:012
15108991613,2cyclictest4831-21kworker/u8:312:11:041
15108991612,2cyclictest21076-21kworker/1:110:00:101
1510899161,13cyclictest0-21swapper/108:20:151
1510899160,2cyclictest0-21swapper/111:09:041
249072150,1sleep30-21swapper/312:25:013
15110991510,3cyclictest0-21swapper/308:50:133
1511099150,13cyclictest28119-21munin-node3
1511099150,13cyclictest0-21swapper/307:30:133
15109991512,2cyclictest31172-21kworker/u8:008:21:052
15109991512,2cyclictest28438-21kworker/u8:007:30:042
15109991512,2cyclictest26752-21kworker/u8:009:09:042
15109991512,2cyclictest19299-21kworker/u8:110:28:022
15109991512,2cyclictest10116-21kworker/u8:108:43:042
1510999150,13cyclictest0-21swapper/210:54:282
1510899151,3cyclictest0-21swapper/111:14:031
1510899151,3cyclictest0-21swapper/111:14:021
15108991512,2cyclictest595-21kworker/u8:012:04:041
15108991512,2cyclictest4831-21kworker/u8:312:38:041
15108991512,2cyclictest28962-21kworker/u8:207:46:041
15108991512,2cyclictest27645-21kworker/u8:010:54:051
15108991512,2cyclictest10116-21kworker/u8:108:46:051
1510899151,12cyclictest0-21swapper/112:22:391
15108991510,3cyclictest0-21swapper/107:51:021
1510899150,13cyclictest0-21swapper/112:30:111
1510799151,12cyclictest27016-21ssh12:26:070
1510799151,12cyclictest14864-21ssh11:06:390
262622140,3sleep226272-21ssh11:52:142
1511099149,3cyclictest6819-21perl10:25:133
1511099149,3cyclictest31628-21chrt10:50:373
1511099140,2cyclictest0-21swapper/311:30:133
1510999149,3cyclictest0-21swapper/211:19:242
1510999141,3cyclictest4880-21ssh12:36:542
15109991411,2cyclictest28438-21kworker/u8:007:42:042
15109991411,2cyclictest21123-21kworker/u8:108:10:052
15109991411,2cyclictest21123-21kworker/u8:108:01:052
1510999140,2cyclictest0-21swapper/209:55:042
1510999140,13cyclictest0-21swapper/212:31:022
1510999140,13cyclictest0-21swapper/212:13:042
1510999140,12cyclictest0-21swapper/210:31:542
1510899141,3cyclictest29808-21cut09:05:401
15108991411,2cyclictest30558-21diskmemload11:30:551
15108991411,2cyclictest27645-21kworker/u8:010:55:041
15108991411,2cyclictest12552-21kworker/u8:009:32:041
15108991411,2cyclictest0-21swapper/111:35:241
1510899140,2cyclictest11613-21ssh11:04:051
1510899140,2cyclictest11613-21ssh11:04:051
1510899140,2cyclictest0-21swapper/109:51:531
1510899140,12cyclictest935-21cut09:45:181
1510899140,12cyclictest30558-21diskmemload11:41:031
1510899140,12cyclictest0-21swapper/112:05:461
1510899140,12cyclictest0-21swapper/110:31:351
1510799149,3cyclictest24328-21unixbench_singl07:31:050
1510799149,3cyclictest12937-21date09:25:000
15107991411,2cyclictest0-21swapper/008:30:140
15107991411,2cyclictest0-21swapper/008:10:130
1510799140,13cyclictest0-21swapper/008:50:140
1510799140,12cyclictest30558-21diskmemload11:24:420
1510799140,12cyclictest30000-21cpu12:30:110
1510799140,12cyclictest11983-21ssh11:04:410
1510799140,12cyclictest11983-21ssh11:04:400
116132140,2sleep10-21swapper/109:56:091
249162130,2sleep10-21swapper/111:50:451
1511099133,6cyclictest32515-21ssh09:11:033
1511099130,2cyclictest4569-21ssh10:56:043
1511099130,12cyclictest0-21swapper/307:20:193
1511099130,11cyclictest732-21ls09:45:173
1511099130,11cyclictest0-21swapper/311:05:113
1511099130,11cyclictest0-21swapper/310:02:523
15109991310,2cyclictest0-21swapper/210:37:052
1510999130,2cyclictest0-21swapper/208:16:052
1510999130,2cyclictest0-21swapper/208:16:052
1510899131,6cyclictest0-21swapper/108:05:001
1510899131,3cyclictest0-21swapper/110:45:061
1510899131,2cyclictest0-21swapper/108:35:191
15108991310,2cyclictest26752-21kworker/u8:009:12:061
15108991310,2cyclictest23950-21kworker/u8:209:36:021
15108991310,2cyclictest15253-21kworker/u8:110:42:041
15108991310,2cyclictest0-21swapper/112:25:201
1510899130,3cyclictest28346-21ssh11:20:421
1510899130,2cyclictest0-21swapper/108:40:131
1510899130,12cyclictest0-21swapper/107:25:071
1510899130,12cyclictest0-21swapper/107:10:141
1510799139,2cyclictest0-21swapper/011:40:160
15107991310,2cyclictest30558-21diskmemload09:43:260
15107991310,2cyclictest0-21swapper/012:37:410
15107991310,2cyclictest0-21swapper/012:00:340
15107991310,2cyclictest0-21swapper/011:50:120
15107991310,2cyclictest0-21swapper/011:47:000
15107991310,2cyclictest0-21swapper/011:30:440
15107991310,2cyclictest0-21swapper/010:10:130
15107991310,2cyclictest0-21swapper/010:05:420
15107991310,2cyclictest0-21swapper/009:50:450
15107991310,2cyclictest0-21swapper/009:46:430
15107991310,2cyclictest0-21swapper/008:05:150
15107991310,2cyclictest0-21swapper/007:25:070
1510799130,2cyclictest30558-21diskmemload09:30:360
1510799130,2cyclictest0-21swapper/010:57:080
1510799130,2cyclictest0-21swapper/009:15:300
1510799130,12cyclictest0-21swapper/009:28:450
1510799130,12cyclictest0-21swapper/007:35:500
1510799130,11cyclictest11085-21ssh09:55:560
1510799130,11cyclictest0-21swapper/011:15:260
1510799130,11cyclictest0-21swapper/010:25:510
97232120,2sleep20-21swapper/209:20:562
298422120,8sleep329918-21sensors_fan09:06:013
1511099129,2cyclictest30558-21diskmemload12:22:143
1511099129,2cyclictest0-21swapper/309:30:153
1511099121,2cyclictest0-21swapper/312:36:193
1511099120,9cyclictest0-21swapper/310:32:173
1511099120,2cyclictest0-21swapper/312:17:283
1511099120,2cyclictest0-21swapper/311:56:023
1511099120,11cyclictest0-21swapper/309:25:423
1511099120,11cyclictest0-21swapper/308:06:023
1511099120,11cyclictest0-21swapper/307:55:163
1511099120,10cyclictest30558-21diskmemload11:25:073
1511099120,10cyclictest0-21swapper/312:13:523
1511099120,10cyclictest0-21swapper/311:14:023
1511099120,10cyclictest0-21swapper/311:14:023
1510999129,2cyclictest0-21swapper/211:55:292
1510999122,7cyclictest0-21swapper/207:49:022
1510999122,2cyclictest0-21swapper/209:25:042
1510999120,2cyclictest0-21swapper/211:25:142
1510999120,2cyclictest0-21swapper/210:00:022
1510999120,2cyclictest0-21swapper/207:12:052
1510999120,11cyclictest0-21swapper/209:00:112
1510899129,2cyclictest0-21swapper/112:15:261
1510899129,2cyclictest0-21swapper/111:57:451
1510899129,2cyclictest0-21swapper/111:45:021
1510899129,2cyclictest0-21swapper/111:28:161
1510899129,2cyclictest0-21swapper/110:10:281
1510899129,2cyclictest0-21swapper/107:20:181
1510899127,3cyclictest2542-21chrt08:00:121
1510899127,3cyclictest22769-21hddtemp_smartct11:15:141
1510899121,9cyclictest22691-21seq08:50:101
1510899121,9cyclictest0-21swapper/108:10:171
1510899121,9cyclictest0-21swapper/107:35:161
1510899120,2cyclictest0-21swapper/108:28:231
1510899120,11cyclictest0-21swapper/110:06:011
1510899120,11cyclictest0-21swapper/108:31:051
1510899120,11cyclictest0-21swapper/107:40:301
1510799129,2cyclictest0-21swapper/012:06:210
1510799129,2cyclictest0-21swapper/011:56:180
1510799129,2cyclictest0-21swapper/011:10:410
1510799129,2cyclictest0-21swapper/011:10:410
1510799129,2cyclictest0-21swapper/010:40:170
1510799129,2cyclictest0-21swapper/009:36:370
1510799129,2cyclictest0-21swapper/009:10:220
1510799129,2cyclictest0-21swapper/008:45:130
1510799129,2cyclictest0-21swapper/007:15:190
1510799129,2cyclictest0-21swapper/007:10:130
1510799122,7cyclictest4556-21metacity07:54:590
1510799122,7cyclictest0-21swapper/007:57:580
1510799120,2cyclictest30558-21diskmemload10:17:100
1510799120,2cyclictest0-21swapper/012:10:020
1510799120,2cyclictest0-21swapper/011:26:140
1510799120,2cyclictest0-21swapper/010:31:100
1510799120,2cyclictest0-21swapper/008:55:010
1510799120,2cyclictest0-21swapper/007:20:150
1510799120,11cyclictest0-21swapper/012:21:080
1510799120,11cyclictest0-21swapper/012:15:070
1510799120,11cyclictest0-21swapper/010:47:130
1510799120,11cyclictest0-21swapper/010:35:000
1510799120,11cyclictest0-21swapper/010:00:310
268592110,1sleep30-21swapper/311:53:113
1511099118,2cyclictest0-21swapper/311:23:213
1511099118,2cyclictest0-21swapper/308:20:173
1511099117,2cyclictest7284-21ssh12:05:583
1511099116,3cyclictest8879-21cut08:15:133
1511099116,3cyclictest8879-21cut08:15:133
1511099116,3cyclictest27450jbd2/sda1-809:00:173
1511099112,7cyclictest0-21swapper/307:47:593
1511099112,5cyclictest0-21swapper/310:16:013
1511099112,5cyclictest0-21swapper/307:11:023
1511099111,7cyclictest20978-21cut08:45:133
1511099111,6cyclictest0-21swapper/311:40:003
1511099110,9cyclictest0-21swapper/310:46:253
1511099110,9cyclictest0-21swapper/310:36:243
1511099110,9cyclictest0-21swapper/308:55:063
1511099110,10cyclictest0-21swapper/307:50:183
1510899116,3cyclictest17327-21munin-node1
1510899111,8cyclictest8604-21munin-node1
1510899111,8cyclictest8604-21munin-node1
1510899110,9cyclictest0-21swapper/108:55:121
1510799118,2cyclictest0-21swapper/008:44:240
1510799118,2cyclictest0-21swapper/008:20:200
1510799110,10cyclictest0-21swapper/007:49:570
1511099107,2cyclictest0-21swapper/312:30:483
1511099107,2cyclictest0-21swapper/309:55:283
1511099105,3cyclictest7227-21if_eth008:10:183
1511099102,7cyclictest0-21swapper/307:36:583
1511099102,5cyclictest0-21swapper/308:36:013
1511099102,5cyclictest0-21swapper/307:42:583
1511099101,7cyclictest0-21swapper/308:44:583
1511099100,9cyclictest0-21swapper/311:40:233
1511099100,9cyclictest0-21swapper/309:51:103
1511099100,8cyclictest0-21swapper/309:20:303
1511099100,7cyclictest0-21swapper/307:26:583
1511099100,2cyclictest30558-21diskmemload12:01:363
1511099100,2cyclictest0-21swapper/310:06:183
1510899107,2cyclictest10116-21kworker/u8:109:00:011
1510899102,5cyclictest0-21swapper/107:55:011
1510799107,2cyclictest0-21swapper/009:05:140
1510799103,6cyclictest0-21swapper/008:18:410
1510799103,6cyclictest0-21swapper/008:18:400
151109995,2cyclictest30558-21diskmemload11:01:003
151109995,2cyclictest30558-21diskmemload11:00:593
151109994,3cyclictest24151-21sh09:35:543
151109994,3cyclictest22092-21ssh11:15:063
151109994,3cyclictest16036-21grep08:31:063
151109990,8cyclictest0-21swapper/308:25:213
151099994,3cyclictest12961-21df_abs08:25:152
151099990,6cyclictest0-21swapper/208:47:022
151079994,3cyclictest27168-21fschecks_count09:00:160
151079991,6cyclictest0-21swapper/007:43:320
151079991,4cyclictest0-21swapper/008:35:010
151079990,8cyclictest0-21swapper/008:26:070
151079990,8cyclictest0-21swapper/008:04:560
151109983,3cyclictest2467-21cut08:00:113
151109981,4cyclictest0-21swapper/307:15:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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