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2026-04-25 - 15:00

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 Sat Apr 25, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1054221390,0sleep20-21swapper/209:45:122
24424211794,16sleep10-21swapper/107:05:401
251412116105,6sleep30-21swapper/307:09:393
25106211493,15sleep00-21swapper/007:09:110
25001210796,6sleep20-21swapper/207:07:492
234602920,0sleep00-21swapper/008:25:140
271692550,1sleep011-21rcuc/011:42:340
2519799221,19cyclictest8664-21diskmemload10:05:111
2519699221,19cyclictest0-21swapper/011:45:120
25198992118,2cyclictest20577-21kworker/u8:311:44:042
2519799211,18cyclictest0-21swapper/107:20:131
2519699211,18cyclictest0-21swapper/012:20:110
2519699210,19cyclictest0-21swapper/011:30:110
2519699210,19cyclictest0-21swapper/010:20:110
116792210,1sleep121-21rcuc/112:34:011
25199992017,2cyclictest24213-21kworker/u8:011:20:043
25199992017,2cyclictest1414-21kworker/u8:210:45:053
2519999200,18cyclictest0-21swapper/310:05:103
2519899204,2cyclictest3297-21ssh11:18:042
25198992017,2cyclictest11894-21kworker/u8:111:30:052
25199991916,2cyclictest9655-21kworker/u8:210:28:043
25198991916,2cyclictest754-21kworker/u8:008:52:012
25198991916,2cyclictest26627-21kworker/u8:007:47:042
25198991916,2cyclictest26627-21kworker/u8:007:22:052
25198991916,2cyclictest25505-21kworker/u8:011:45:042
25198991916,2cyclictest21016-21kworker/u8:109:27:042
25198991916,2cyclictest16816-21kworker/u8:010:03:042
25198991916,2cyclictest11922-21kworker/u8:211:04:052
2519899190,14cyclictest0-21swapper/209:17:042
242432190,1sleep2301ktimersoftd/212:13:182
287952180,0sleep10-21swapper/111:10:241
25198991815,2cyclictest9655-21kworker/u8:210:22:012
25198991815,2cyclictest8438-21kworker/u8:107:19:042
25198991815,2cyclictest6664-21kworker/u8:110:49:042
25198991815,2cyclictest4530-21kworker/u8:110:13:052
25198991815,2cyclictest31166-21kworker/u8:207:29:042
25198991815,2cyclictest24213-21kworker/u8:011:23:042
25198991815,2cyclictest21016-21kworker/u8:109:22:052
25198991815,2cyclictest20534-21kworker/u8:010:52:042
25198991815,2cyclictest20534-21kworker/u8:010:34:042
25198991815,2cyclictest18759-21kworker/u8:208:49:042
25198991815,2cyclictest18759-21kworker/u8:208:20:042
25198991815,2cyclictest15175-21kworker/u8:008:12:042
2519899180,14cyclictest0-21swapper/208:18:042
25199991714,2cyclictest9655-21kworker/u8:210:17:043
25199991714,2cyclictest32095-21kworker/u8:111:52:043
25199991714,2cyclictest29171-21kworker/u8:012:34:043
25199991714,2cyclictest24213-21kworker/u8:011:08:053
25199991714,2cyclictest24104-21kworker/u8:212:21:043
25199991714,2cyclictest17439-21kworker/u8:111:12:053
25199991714,2cyclictest10994-21kworker/u8:209:12:043
2519999170,12cyclictest0-21swapper/311:28:043
25198991714,2cyclictest754-21kworker/u8:009:03:042
25198991714,2cyclictest754-21kworker/u8:008:55:052
25198991714,2cyclictest32095-21kworker/u8:111:54:052
25198991714,2cyclictest29136-21kworker/u8:109:07:042
25198991714,2cyclictest28884-1kworker/u9:210:40:042
25198991714,2cyclictest26627-21kworker/u8:007:38:012
25198991714,2cyclictest25505-21kworker/u8:012:01:042
25198991714,2cyclictest25505-21kworker/u8:011:59:042
25198991714,2cyclictest18759-21kworker/u8:208:35:042
25198991714,2cyclictest17439-21kworker/u8:111:10:052
25198991714,2cyclictest11922-21kworker/u8:210:59:042
2519899171,14cyclictest26391-21irqstats12:15:182
2519899170,2cyclictest0-21swapper/212:06:052
25196991712,3cyclictest0-21swapper/010:36:250
30022160,0sleep10-21swapper/111:17:371
25199991613,2cyclictest29171-21kworker/u8:012:28:063
25199991613,2cyclictest29136-21kworker/u8:109:15:043
25199991613,2cyclictest26627-21kworker/u8:007:46:043
25199991613,2cyclictest26627-21kworker/u8:007:32:023
2519999160,2cyclictest0-21swapper/311:18:043
2519999160,11cyclictest0-21swapper/312:15:043
25198991613,2cyclictest27694-21kworker/u8:210:09:042
25198991613,2cyclictest27010-21kworker/u8:009:39:042
25198991613,2cyclictest21016-21kworker/u8:109:34:012
2519899160,2cyclictest0-21swapper/212:37:042
2519899160,2cyclictest0-21swapper/210:26:042
2519899160,15cyclictest0-21swapper/212:25:042
2519799161,3cyclictest15890-21munin-node1
2519799161,13cyclictest0-21swapper/109:30:141
25196991611,3cyclictest0-21swapper/009:37:560
25199991512,2cyclictest6384-21kworker/u8:207:52:023
25199991512,2cyclictest31166-21kworker/u8:207:26:043
25199991512,2cyclictest25505-21kworker/u8:012:02:053
25199991512,2cyclictest25505-21kworker/u8:011:58:043
25199991512,2cyclictest25505-21kworker/u8:011:42:013
25199991512,2cyclictest20577-21kworker/u8:311:37:053
25199991512,2cyclictest20534-21kworker/u8:010:32:043
25199991512,2cyclictest18759-21kworker/u8:208:44:023
25199991512,2cyclictest15175-21kworker/u8:008:08:053
25199991512,2cyclictest11922-21kworker/u8:211:02:013
25199991512,2cyclictest11922-21kworker/u8:210:58:053
25198991512,2cyclictest23384-21kworker/u8:207:11:042
25198991512,2cyclictest18759-21kworker/u8:208:30:052
25198991512,2cyclictest18759-21kworker/u8:208:26:042
2519899150,2cyclictest0-21swapper/211:36:052
2519899150,2cyclictest0-21swapper/210:16:042
2519899150,2cyclictest0-21swapper/209:53:042
2519899150,2cyclictest0-21swapper/208:01:042
2519799151,12cyclictest8664-21diskmemload11:49:311
2519799151,12cyclictest0-21swapper/110:30:191
25197991510,3cyclictest5672-21aten2.4_r3power09:40:121
2519799150,3cyclictest18802-21basename09:20:121
2519799150,13cyclictest0-21swapper/109:55:141
2519799150,11cyclictest0-21swapper/109:37:381
25196991512,2cyclictest18086-21ssh09:52:250
2519699150,2cyclictest0-21swapper/011:14:350
80052140,1sleep00-21swapper/011:22:420
25199991411,2cyclictest9655-21kworker/u8:210:24:023
25199991411,2cyclictest5165-21kworker/u8:109:42:043
25199991411,2cyclictest32564-21kworker/u8:209:47:043
25199991411,2cyclictest29136-21kworker/u8:109:08:053
25199991411,2cyclictest26789-21kworker/u8:008:37:043
25199991411,2cyclictest18759-21kworker/u8:208:27:043
25199991411,2cyclictest16816-21kworker/u8:009:52:013
25199991411,2cyclictest10994-21kworker/u8:209:23:053
2519999140,9cyclictest0-21swapper/310:12:053
2519999140,9cyclictest0-21swapper/308:04:043
2519999140,3cyclictest5835-21ps07:40:183
2519999140,3cyclictest5835-21ps07:40:173
2519999140,3cyclictest29023-21iostat_ios09:30:183
2519999140,2cyclictest14042-21kworker/3:009:26:043
2519999140,2cyclictest0-21swapper/311:33:043
2519999140,2cyclictest0-21swapper/307:55:043
2519999140,13cyclictest0-21swapper/307:36:023
25198991411,2cyclictest15175-21kworker/u8:008:06:062
2519899140,2cyclictest0-21swapper/210:36:052
2519899140,2cyclictest0-21swapper/209:56:052
2519899140,13cyclictest0-21swapper/211:05:172
2519899140,12cyclictest5667-21apt-get09:40:122
2519799149,3cyclictest0-21swapper/111:55:061
2519799142,6cyclictest0-21swapper/107:30:001
2519799141,7cyclictest2460-21apt-get07:35:011
25197991410,2cyclictest0-21swapper/112:12:091
25197991410,2cyclictest0-21swapper/108:55:161
2519799140,12cyclictest21716-21iostat_ios08:20:181
2519799140,12cyclictest0-21swapper/111:40:121
2519799140,12cyclictest0-21swapper/107:10:121
2519699149,3cyclictest6107-21taskset10:13:590
2519699142,6cyclictest0-21swapper/008:59:590
2519699142,6cyclictest0-21swapper/008:35:000
25196991411,2cyclictest0-21swapper/011:05:550
25196991411,2cyclictest0-21swapper/008:35:170
2519699140,12cyclictest0-21swapper/011:55:080
2519699140,12cyclictest0-21swapper/009:10:160
25199991310,2cyclictest6556-21kworker/u8:212:05:043
25199991310,2cyclictest25505-21kworker/u8:012:10:043
25199991310,2cyclictest18759-21kworker/u8:208:13:043
25199991310,2cyclictest12829-21kworker/u8:108:33:053
25199991310,2cyclictest0-21swapper/310:36:013
2519999130,2cyclictest0-21swapper/309:36:053
2519999130,2cyclictest0-21swapper/308:45:163
2519999130,2cyclictest0-21swapper/307:20:153
2519999130,12cyclictest0-21swapper/311:49:043
2519999130,11cyclictest0-21swapper/310:43:123
2519899131,11cyclictest303-21ssh12:21:352
25198991310,2cyclictest0-21swapper/212:31:342
2519899130,11cyclictest8664-21diskmemload09:11:132
2519799138,3cyclictest18169-21cut08:10:291
2519799138,3cyclictest0-21swapper/111:51:031
2519799132,6cyclictest0-21swapper/111:40:001
2519799132,6cyclictest0-21swapper/108:15:001
2519799132,6cyclictest0-21swapper/107:30:001
2519799131,3cyclictest3728-21runrttasks10:15:121
2519799131,3cyclictest0-21swapper/110:55:591
2519799131,10cyclictest0-21swapper/110:25:201
25197991310,2cyclictest8664-21diskmemload12:39:001
25197991310,2cyclictest0-21swapper/112:16:101
25197991310,2cyclictest0-21swapper/112:05:281
25197991310,2cyclictest0-21swapper/111:05:181
25197991310,2cyclictest0-21swapper/110:50:321
25197991310,2cyclictest0-21swapper/110:46:581
25197991310,2cyclictest0-21swapper/110:35:181
25197991310,2cyclictest0-21swapper/110:20:191
25197991310,2cyclictest0-21swapper/110:01:221
25197991310,2cyclictest0-21swapper/109:50:511
25197991310,2cyclictest0-21swapper/109:06:041
25197991310,2cyclictest0-21swapper/108:00:411
2519799130,4cyclictest25324-21cpuspeed_turbos08:30:141
2519799130,3cyclictest0-21swapper/109:10:301
2519799130,2cyclictest0-21swapper/111:20:491
2519799130,2cyclictest0-21swapper/107:40:181
2519799130,2cyclictest0-21swapper/107:40:171
2519799130,12cyclictest0-21swapper/112:20:001
2519699139,2cyclictest8664-21diskmemload12:31:160
2519699138,3cyclictest0-21swapper/007:55:000
2519699132,6cyclictest0-21swapper/008:20:000
2519699131,7cyclictest0-21swapper/010:35:000
25196991310,2cyclictest0-21swapper/011:27:570
25196991310,2cyclictest0-21swapper/009:55:210
25196991310,2cyclictest0-21swapper/009:01:050
2519699130,2cyclictest24736-21ssh09:25:350
2519699130,2cyclictest11235-21sh12:00:100
2519699130,2cyclictest0-21swapper/012:09:060
2519699130,2cyclictest0-21swapper/010:05:160
2519699130,12cyclictest0-21swapper/012:27:550
2519699130,12cyclictest0-21swapper/010:18:550
2519699130,12cyclictest0-21swapper/009:42:450
231662130,2sleep30-21swapper/309:57:533
297172120,2sleep029735-21ssh09:30:510
2519999129,2cyclictest8438-21kworker/u8:107:17:043
2519999129,2cyclictest23384-21kworker/u8:207:12:043
2519999129,2cyclictest0-21swapper/310:54:493
2519999129,2cyclictest0-21swapper/308:55:173
2519999120,11cyclictest0-21swapper/312:35:183
2519999120,11cyclictest0-21swapper/310:01:433
2519999120,11cyclictest0-21swapper/309:00:133
2519899129,2cyclictest0-21swapper/207:50:122
2519899120,2cyclictest0-21swapper/207:31:032
2519899120,11cyclictest0-21swapper/211:26:142
2519899120,11cyclictest0-21swapper/208:40:132
2519899120,11cyclictest0-21swapper/207:56:042
2519899120,11cyclictest0-21swapper/207:41:032
2519899120,11cyclictest0-21swapper/207:41:022
2519799129,2cyclictest0-21swapper/112:02:211
2519799129,2cyclictest0-21swapper/107:50:171
2519799128,2cyclictest0-21swapper/109:01:021
2519799122,7cyclictest0-21swapper/108:45:001
2519799121,9cyclictest27029-21munin-node1
2519799121,9cyclictest0-21swapper/112:25:141
2519799121,9cyclictest0-21swapper/108:06:031
2519799121,3cyclictest27793-21cat08:35:161
2519799121,3cyclictest2663-21grep10:10:151
2519799120,11cyclictest0-21swapper/111:25:491
2519799120,11cyclictest0-21swapper/111:00:211
2519799120,11cyclictest0-21swapper/110:40:011
2519799120,11cyclictest0-21swapper/109:45:331
2519799120,11cyclictest0-21swapper/109:26:481
2519799120,11cyclictest0-21swapper/109:15:071
2519699129,2cyclictest0-21swapper/012:15:350
2519699129,2cyclictest0-21swapper/010:55:160
2519699129,2cyclictest0-21swapper/010:54:210
2519699127,3cyclictest20914-21sh09:21:310
2519699127,3cyclictest13787-21ssh12:35:270
2519699121,9cyclictest1413-21rm11:50:130
2519699120,2cyclictest0-21swapper/011:01:460
2519699120,2cyclictest0-21swapper/010:46:000
2519699120,2cyclictest0-21swapper/010:40:160
2519699120,2cyclictest0-21swapper/010:27:270
2519699120,11cyclictest0-21swapper/012:11:110
2519699120,11cyclictest0-21swapper/011:37:350
2519699120,11cyclictest0-21swapper/008:50:170
2519699120,11cyclictest0-21swapper/008:20:190
14622120,1sleep00-21swapper/011:15:540
2519999118,2cyclictest18759-21kworker/u8:208:21:043
2519999112,5cyclictest0-21swapper/308:20:013
2519799118,2cyclictest0-21swapper/107:45:141
2519799116,3cyclictest0-21swapper/108:50:141
2519799111,8cyclictest0-21swapper/108:45:191
2519799111,3cyclictest11102-21munin-node1
2519799110,9cyclictest0-21swapper/108:25:171
2519699118,2cyclictest0-21swapper/010:00:100
2519699118,2cyclictest0-21swapper/009:15:070
2519699111,7cyclictest0-21swapper/008:49:590
2519699110,10cyclictest0-21swapper/008:40:290
121742110,1sleep00-21swapper/009:46:030
2519699105,3cyclictest29009-21grep07:20:000
2519699105,3cyclictest25537-21head07:10:140
2519699104,4cyclictest11404-21grep07:55:150
2519699102,6cyclictest0-21swapper/007:45:000
2519699101,7cyclictest0-21swapper/009:06:020
2519699101,5cyclictest0-21swapper/007:28:380
251999994,3cyclictest2013-21cat08:51:033
251969994,3cyclictest4130-21unixbench_multi07:36:050
251969994,3cyclictest17464-21df_abs08:10:130
251969994,3cyclictest15232-21head08:05:130
251969994,3cyclictest14261-21mailstats08:01:010
251969994,3cyclictest0-21swapper/007:40:120
251969994,3cyclictest0-21swapper/007:40:120
251969991,3cyclictest0-21swapper/007:30:130
251969983,3cyclictest29302-21cpuspeed_turbos07:20:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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