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2026-06-09 - 13:41

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 Tue Jun 09, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27997210986,18sleep00-21swapper/007:06:150
28244210797,6sleep20-21swapper/207:09:252
28275210685,15sleep10-21swapper/107:09:481
28257210485,14sleep30-21swapper/307:09:343
230842910,1sleep20-21swapper/208:15:152
77622760,0sleep20-21swapper/212:01:022
170272670,0sleep00-21swapper/011:00:280
89962650,0sleep20-21swapper/211:27:092
191142300,6sleep22831999cyclictest11:38:582
85962270,0sleep00-21swapper/012:37:280
82072240,1sleep30-21swapper/312:36:473
271562220,0sleep20-21swapper/211:47:002
28318992017,2cyclictest20899-21kworker/u8:210:34:041
28320991815,2cyclictest24221-21kworker/u8:112:01:053
28320991815,2cyclictest11660-21kworker/u8:010:25:073
28318991815,2cyclictest1395-21kworker/u8:210:53:051
2832099173,12cyclictest2438-21telnet08:45:143
28317991714,2cyclictest8554-21kworker/u8:009:13:050
28317991714,2cyclictest5376-21kworker/u8:011:43:050
28317991714,2cyclictest1395-21kworker/u8:210:47:040
2831899161,3cyclictest30485-21munin-run08:35:001
2831899161,3cyclictest27321-21cut10:00:511
28318991613,2cyclictest5376-21kworker/u8:011:42:051
28318991613,2cyclictest24221-21kworker/u8:112:14:041
2831899160,14cyclictest19756-21rm11:04:191
28317991613,2cyclictest24532-21kworker/u8:209:27:050
28317991613,2cyclictest20899-21kworker/u8:210:35:040
28317991613,2cyclictest1395-21kworker/u8:211:15:050
2831799160,14cyclictest0-21swapper/008:05:170
55802151,3sleep15592-21ssh09:36:341
290852150,1sleep30-21swapper/312:25:133
2832099150,13cyclictest0-21swapper/312:32:123
2832099150,13cyclictest0-21swapper/310:55:053
2831899151,3cyclictest0-21swapper/109:25:181
28318991512,2cyclictest12353-21diskmemload11:52:531
28318991512,2cyclictest11044-21kworker/u8:111:35:041
28318991512,2cyclictest11044-21kworker/u8:111:33:051
28318991512,2cyclictest0-21swapper/107:30:121
28318991511,2cyclictest16679-21diskstats10:25:131
2831899151,12cyclictest0-21swapper/111:23:161
2831899150,13cyclictest19583-21cron12:15:011
28317991512,2cyclictest2435-21kworker/u8:110:15:050
28317991512,2cyclictest19644-21kworker/u8:008:41:040
28317991512,2cyclictest0-21swapper/012:25:070
2831799150,3cyclictest6745-21grep12:00:160
28320991411,2cyclictest31286-21kworker/u8:009:37:053
28320991411,2cyclictest19133-21kworker/u8:211:39:053
28320991411,2cyclictest0-21swapper/312:20:313
28320991411,2cyclictest0-21swapper/312:17:323
28320991411,2cyclictest0-21swapper/311:20:513
28320991410,2cyclictest11728-21python07:46:023
2832099140,2cyclictest0-21swapper/312:09:023
2832099140,2cyclictest0-21swapper/310:52:323
2832099140,2cyclictest0-21swapper/310:46:413
2832099140,12cyclictest0-21swapper/311:30:113
2832099140,12cyclictest0-21swapper/309:15:393
2832099140,12cyclictest0-21swapper/308:10:103
2832099140,12cyclictest0-21swapper/308:10:093
28319991411,2cyclictest20830-21ssh10:30:112
28319991411,2cyclictest0-21swapper/211:56:062
28319991411,2cyclictest0-21swapper/209:19:502
2831999140,13cyclictest0-21swapper/212:33:472
2831999140,13cyclictest0-21swapper/211:30:162
2831999140,13cyclictest0-21swapper/209:55:162
2831999140,13cyclictest0-21swapper/209:25:272
2831999140,12cyclictest4288-21ssh11:21:592
2831999140,12cyclictest0-21swapper/212:35:162
2831999140,12cyclictest0-21swapper/211:19:382
2831999140,12cyclictest0-21swapper/211:09:402
2831999140,12cyclictest0-21swapper/210:02:312
2831899142,2cyclictest23-21ksoftirqd/111:06:381
28318991411,2cyclictest8554-21kworker/u8:009:03:051
28318991411,2cyclictest24221-21kworker/u8:111:48:051
28318991411,2cyclictest0-21swapper/112:25:531
28318991411,2cyclictest0-21swapper/112:23:341
28318991411,2cyclictest0-21swapper/111:15:131
28318991411,2cyclictest0-21swapper/107:15:171
2831899140,3cyclictest98272sleep112:04:061
2831899140,2cyclictest12353-21diskmemload11:27:541
2831899140,2cyclictest0-21swapper/111:12:431
2831899140,2cyclictest0-21swapper/110:05:131
2831899140,2cyclictest0-21swapper/107:20:121
2831899140,13cyclictest0-21swapper/109:46:031
2831899140,12cyclictest14472-21taskset10:58:141
2831899140,12cyclictest0-21swapper/110:20:141
2831899140,12cyclictest0-21swapper/109:55:161
2831899140,12cyclictest0-21swapper/107:40:201
28317991411,2cyclictest27999-21kworker/u8:207:18:050
28317991411,2cyclictest16187-21kworker/u8:110:02:050
28317991411,2cyclictest16187-21kworker/u8:109:50:050
28317991411,2cyclictest0-21swapper/007:25:170
28317991410,3cyclictest28135-21munin-node0
2831799140,12cyclictest15846-21ssh09:48:510
28320991310,2cyclictest29598-21kworker/u8:111:18:023
28320991310,2cyclictest24816-21ssh10:34:423
28320991310,2cyclictest16187-21kworker/u8:110:01:053
28320991310,2cyclictest1395-21kworker/u8:211:14:053
28320991310,2cyclictest0-21swapper/311:25:173
28320991310,2cyclictest0-21swapper/310:40:183
28320991310,2cyclictest0-21swapper/309:43:123
2832099130,2cyclictest0-21swapper/311:48:223
2832099130,2cyclictest0-21swapper/311:42:593
2832099130,2cyclictest0-21swapper/310:15:323
2832099130,2cyclictest0-21swapper/309:30:163
2832099130,2cyclictest0-21swapper/309:00:123
2832099130,2cyclictest0-21swapper/307:10:183
2832099130,12cyclictest2322-21ssh11:55:203
2832099130,12cyclictest0-21swapper/310:35:523
2832099130,12cyclictest0-21swapper/310:06:033
2832099130,12cyclictest0-21swapper/309:52:413
2832099130,12cyclictest0-21swapper/309:25:133
2832099130,12cyclictest0-21swapper/308:16:033
2832099130,12cyclictest0-21swapper/308:00:183
2832099130,12cyclictest0-21swapper/307:40:123
2832099130,12cyclictest0-21swapper/307:35:133
2832099130,12cyclictest0-21swapper/307:31:003
2832099130,11cyclictest0-21swapper/309:21:223
28319991310,2cyclictest2435-21kworker/u8:110:50:052
28319991310,2cyclictest17384-21which11:01:012
28319991310,2cyclictest0-21swapper/212:28:382
28319991310,2cyclictest0-21swapper/212:07:302
28319991310,2cyclictest0-21swapper/211:54:112
28319991310,2cyclictest0-21swapper/211:42:412
28319991310,2cyclictest0-21swapper/210:46:202
28319991310,2cyclictest0-21swapper/210:36:282
28319991310,2cyclictest0-21swapper/210:26:272
28319991310,2cyclictest0-21swapper/210:24:272
28319991310,2cyclictest0-21swapper/210:10:482
28319991310,2cyclictest0-21swapper/209:47:512
28319991310,2cyclictest0-21swapper/209:35:192
28319991310,2cyclictest0-21swapper/208:20:112
28319991310,2cyclictest0-21swapper/208:05:192
2831999130,12cyclictest0-21swapper/212:20:372
2831999130,11cyclictest12353-21diskmemload09:40:102
2831899131,3cyclictest22608-21latency_hist08:15:011
2831899131,10cyclictest0-21swapper/108:05:121
28318991310,2cyclictest8554-21kworker/u8:009:15:041
28318991310,2cyclictest28790-21kworker/u8:010:10:041
28318991310,2cyclictest21598-21kworker/u8:007:26:061
28318991310,2cyclictest21598-21kworker/u8:007:14:051
28318991310,2cyclictest21354-21kworker/u8:210:17:051
28318991310,2cyclictest0-21swapper/112:07:361
28318991310,2cyclictest0-21swapper/111:55:211
28318991310,2cyclictest0-21swapper/109:52:301
28318991310,2cyclictest0-21swapper/109:24:331
2831899130,4cyclictest7824-21munin-node1
2831899130,2cyclictest0-21swapper/112:39:141
2831899130,1cyclictest0-21swapper/109:31:431
2831899130,12cyclictest12353-21diskmemload12:30:361
2831899130,12cyclictest0-21swapper/110:46:241
2831899130,12cyclictest0-21swapper/110:40:151
2831899130,12cyclictest0-21swapper/108:55:151
2831799131,10cyclictest30982-21ssh10:40:220
28317991310,2cyclictest8554-21kworker/u8:009:01:050
28317991310,2cyclictest7402-21kworker/u8:012:05:050
28317991310,2cyclictest5376-21kworker/u8:011:51:040
28317991310,2cyclictest11660-21kworker/u8:010:29:050
28317991310,2cyclictest0-21swapper/011:45:190
28317991310,2cyclictest0-21swapper/011:37:440
28317991310,2cyclictest0-21swapper/011:31:130
28317991310,2cyclictest0-21swapper/011:27:410
28317991310,2cyclictest0-21swapper/011:07:350
28317991310,2cyclictest0-21swapper/010:51:580
28317991310,2cyclictest0-21swapper/009:38:480
28317991310,2cyclictest0-21swapper/009:21:580
28317991310,2cyclictest0-21swapper/008:21:010
28317991310,2cyclictest0-21swapper/007:50:180
28317991310,2cyclictest0-21swapper/007:45:440
2831799130,2cyclictest0-21swapper/011:55:150
2831799130,2cyclictest0-21swapper/008:45:160
2831799130,12cyclictest0-21swapper/012:10:180
2831799130,12cyclictest0-21swapper/011:12:430
2831799130,12cyclictest0-21swapper/010:20:140
2831799130,11cyclictest11935-21ssh09:44:520
2832099129,2cyclictest381ktimersoftd/309:55:473
2832099129,2cyclictest30055-21unixbench_multi08:31:043
2832099129,2cyclictest11331-21kworker/u8:011:06:043
2832099129,2cyclictest0-21swapper/312:10:123
2832099129,2cyclictest0-21swapper/309:45:183
2832099129,2cyclictest0-21swapper/309:11:123
2832099129,2cyclictest0-21swapper/309:05:113
2832099129,2cyclictest0-21swapper/307:25:133
2832099120,2cyclictest0-21swapper/311:01:433
2832099120,2cyclictest0-21swapper/310:21:193
2832099120,2cyclictest0-21swapper/310:12:013
2832099120,2cyclictest0-21swapper/307:50:133
2832099120,11cyclictest0-21swapper/311:50:363
2831999129,2cyclictest27999-21kworker/u8:207:10:052
2831999129,2cyclictest0-21swapper/210:40:202
2831999129,2cyclictest0-21swapper/209:51:512
2831999129,2cyclictest0-21swapper/209:31:002
2831999129,2cyclictest0-21swapper/208:46:292
2831999129,2cyclictest0-21swapper/208:30:412
2831999129,2cyclictest0-21swapper/207:56:032
2831999120,2cyclictest24147-21ssh09:21:302
2831999120,2cyclictest0-21swapper/210:59:412
2831999120,2cyclictest0-21swapper/210:05:582
2831999120,11cyclictest0-21swapper/212:15:012
2831999120,11cyclictest0-21swapper/212:10:212
2831999120,11cyclictest0-21swapper/211:10:152
2831999120,11cyclictest0-21swapper/210:16:202
2831999120,11cyclictest0-21swapper/209:12:002
2831999120,11cyclictest0-21swapper/208:51:272
2831999120,11cyclictest0-21swapper/208:25:142
2831899129,2cyclictest19644-21kworker/u8:008:44:041
2831899129,2cyclictest10147-21kworker/u8:107:56:041
2831899129,2cyclictest0-21swapper/110:35:341
2831899129,2cyclictest0-21swapper/108:35:181
2831899121,9cyclictest4135-21apt-get08:50:051
2831899121,3cyclictest0-21swapper/108:45:141
2831899121,3cyclictest0-21swapper/107:35:131
2831899120,3cyclictest12701-21aten2.4-expect07:50:131
2831899120,11cyclictest0-21swapper/109:11:451
2831899120,10cyclictest0-21swapper/109:05:381
2831899120,10cyclictest0-21swapper/108:20:391
2831799129,2cyclictest781-21ssh09:31:210
2831799129,2cyclictest27999-21kworker/u8:207:12:050
2831799129,2cyclictest19644-21kworker/u8:008:12:050
2831799129,2cyclictest19644-21kworker/u8:008:12:040
2831799129,2cyclictest0-21swapper/012:31:000
2831799129,2cyclictest0-21swapper/008:15:130
2831799129,2cyclictest0-21swapper/007:21:010
2831799120,2cyclictest0-21swapper/012:20:290
2831799120,2cyclictest0-21swapper/010:55:120
2831799120,2cyclictest0-21swapper/010:10:160
2831799120,2cyclictest0-21swapper/010:05:480
2831799120,2cyclictest0-21swapper/009:16:480
2831799120,11cyclictest0-21swapper/012:16:260
2831799120,11cyclictest0-21swapper/011:22:260
2831799120,11cyclictest0-21swapper/010:31:360
2831799120,11cyclictest0-21swapper/009:56:230
2831799120,11cyclictest0-21swapper/009:06:030
2831799120,11cyclictest0-21swapper/008:35:120
2832099118,2cyclictest0-21swapper/307:15:143
2832099116,3cyclictest6300-21date08:55:003
2831999118,2cyclictest0-21swapper/207:50:122
2831899118,2cyclictest19644-21kworker/u8:008:19:041
2831899118,2cyclictest19644-21kworker/u8:008:14:041
2831899111,3cyclictest0-21swapper/108:25:151
2831899110,9cyclictest0-21swapper/108:00:111
2831799118,2cyclictest4584-21kworker/u8:208:58:040
2831799118,2cyclictest4373-21kworker/u8:207:37:050
2831799118,2cyclictest12363-21kworker/u8:208:03:050
2831799110,3cyclictest3127-21nscd08:00:000
2832099107,2cyclictest0-21swapper/308:25:283
2832099107,2cyclictest0-21swapper/308:21:013
2832099106,3cyclictest915-21missed_timers07:20:173
2832099105,3cyclictest19624-21seq08:05:233
2832099105,3cyclictest1187-21pluginstate08:40:173
2831999107,2cyclictest8554-21kworker/u8:009:04:052
2831999107,2cyclictest4584-21kworker/u8:208:59:052
2831999105,3cyclictest21637-21pzem_energy08:10:272
2831999105,3cyclictest21637-21pzem_energy08:10:272
2831999100,9cyclictest10372-21copy09:05:042
2831899100,8cyclictest0-21swapper/107:45:151
2831799107,2cyclictest4373-21kworker/u8:207:44:050
156652100,2sleep30-21swapper/307:56:023
283209996,2cyclictest0-21swapper/308:55:323
283209994,3cyclictest31055-21df_abs08:35:123
283199996,2cyclictest4373-21kworker/u8:207:40:042
283199996,2cyclictest4373-21kworker/u8:207:33:042
283199996,2cyclictest28307-21kworker/u8:208:39:052
283199996,2cyclictest27999-21kworker/u8:207:20:052
283199996,2cyclictest19644-21kworker/u8:008:43:042
283199996,2cyclictest10147-21kworker/u8:107:45:052
283199995,3cyclictest7302-21proc_pri07:35:182
283179994,3cyclictest3728-21runrttasks08:54:390
283199985,2cyclictest30669-21telnet07:15:122
283199984,3cyclictest16705-21telnet08:00:122
283199984,2cyclictest3288-21mailstats07:26:002
283179984,3cyclictest3187-21ntpd08:30:170
283179980,6cyclictest22150irq/25-ahci[00007:30:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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