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2026-07-08 - 23:26

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 Wed Jul 08, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3441211695,16sleep00-21swapper/007:09:440
3284210897,6sleep20-21swapper/207:07:502
3434210587,12sleep30-21swapper/307:09:393
162129579,10sleep10-21swapper/107:05:051
221582760,2sleep219928-21diskmemload11:31:012
279062690,0sleep30-21swapper/309:53:143
36382530,1sleep10-21swapper/109:26:111
322642270,0sleep10-21swapper/111:07:151
349099224,2cyclictest0-21swapper/109:24:041
349099223,2cyclictest0-21swapper/110:39:041
349099220,5cyclictest0-21swapper/111:25:041
349099212,2cyclictest0-21swapper/109:18:051
349099210,4cyclictest0-21swapper/110:32:011
349099210,4cyclictest0-21swapper/109:02:041
3491992017,2cyclictest32271-21kworker/u8:009:17:042
3491992017,2cyclictest22839-21kworker/u8:210:57:042
349099200,3cyclictest0-21swapper/112:32:011
349099200,3cyclictest0-21swapper/108:54:041
349099200,3cyclictest0-21swapper/107:45:041
349099200,2cyclictest0-21swapper/110:00:111
3491991916,2cyclictest32271-21kworker/u8:009:12:052
349099192,2cyclictest0-21swapper/108:29:041
349099191,2cyclictest0-21swapper/111:57:041
349099191,17cyclictest0-21swapper/108:35:041
349099190,5cyclictest0-21swapper/111:30:011
349099190,2cyclictest0-21swapper/110:28:041
349099190,2cyclictest0-21swapper/109:50:051
349099190,2cyclictest0-21swapper/107:42:041
3491991815,2cyclictest17918-21kworker/u8:209:42:052
349099182,2cyclictest0-21swapper/107:17:041
349099181,2cyclictest0-21swapper/111:46:011
349099180,2cyclictest0-21swapper/111:37:041
3493991714,2cyclictest29823-21ssh12:15:113
3493991714,2cyclictest12-21rcu_preempt11:00:103
349399170,12cyclictest0-21swapper/311:47:043
349399170,12cyclictest0-21swapper/309:21:043
3491991714,2cyclictest11059-21kworker/u8:009:49:042
349099170,3cyclictest0-21swapper/108:04:051
349099170,2cyclictest0-21swapper/108:40:041
55482160,0sleep30-21swapper/310:04:163
349399161,13cyclictest27691-21ssh12:11:553
349399160,11cyclictest0-21swapper/308:17:043
3491991613,2cyclictest605-21kworker/u8:210:14:042
3491991613,2cyclictest32271-21kworker/u8:009:29:042
3491991613,2cyclictest28807-21kworker/u8:011:42:042
3491991613,2cyclictest14463-21kworker/u8:011:27:042
349199161,13cyclictest30097-21cut12:15:132
349199160,14cyclictest0-21swapper/208:50:122
349099161,13cyclictest0-21swapper/108:20:111
262472160,1sleep226250-21proc_pri12:10:182
349399151,12cyclictest6235-21diskstats07:15:143
349399150,13cyclictest0-21swapper/312:30:353
349399150,13cyclictest0-21swapper/311:59:043
349399150,13cyclictest0-21swapper/311:09:043
349399150,13cyclictest0-21swapper/310:50:183
349399150,11cyclictest0-21swapper/310:22:043
349399150,10cyclictest0-21swapper/311:18:043
349399150,10cyclictest0-21swapper/310:19:043
349399150,10cyclictest0-21swapper/308:50:043
349399150,10cyclictest0-21swapper/307:52:013
3491991512,2cyclictest32271-21kworker/u8:009:23:042
3491991512,2cyclictest32271-21kworker/u8:009:06:042
3491991512,2cyclictest32271-21kworker/u8:009:01:042
3491991512,2cyclictest28122-21kworker/u8:011:03:042
3491991512,2cyclictest23777-21kworker/u8:108:15:052
3491991512,2cyclictest15687-21kworker/u8:111:08:052
3491991512,2cyclictest11059-21kworker/u8:009:52:042
349199150,13cyclictest0-21swapper/212:31:042
349099157,6cyclictest23-21ksoftirqd/109:07:591
3490991510,3cyclictest29643-21latency_hist12:15:001
3490991510,3cyclictest11793-21irqstats09:35:171
348999151,12cyclictest20054-21apt-get09:45:120
77492140,2sleep20-21swapper/209:30:472
3493991411,2cyclictest0-21swapper/312:36:243
3493991411,2cyclictest0-21swapper/308:01:043
349399140,9cyclictest0-21swapper/311:20:043
349399140,9cyclictest0-21swapper/309:00:043
349399140,9cyclictest0-21swapper/308:08:043
349399140,9cyclictest0-21swapper/307:57:043
349399140,2cyclictest0-21swapper/309:40:003
349399140,12cyclictest18528-21ssh12:02:083
349399140,12cyclictest0-21swapper/310:34:043
349399140,12cyclictest0-21swapper/309:58:153
349199142,2cyclictest0-21swapper/210:06:012
3491991411,2cyclictest6604-21kworker/u8:012:07:042
3491991411,2cyclictest6488-21kworker/u8:110:16:052
3491991411,2cyclictest23777-21kworker/u8:108:33:042
3491991411,2cyclictest23777-21kworker/u8:108:23:042
3491991411,2cyclictest20640-21kworker/u8:212:23:042
3491991411,2cyclictest20571-21kworker/u8:112:01:042
3491991411,2cyclictest20571-21kworker/u8:111:58:042
3491991411,2cyclictest16126-21kworker/u8:112:37:042
3491991411,2cyclictest15687-21kworker/u8:110:51:042
3491991411,2cyclictest15589-21kworker/u8:010:49:042
349199140,3cyclictest0-21swapper/210:37:172
349099149,3cyclictest10127-21cpuspeed_turbos07:25:141
349099142,7cyclictest0-21swapper/110:55:001
349099142,6cyclictest19928-21diskmemload11:40:001
349099142,6cyclictest0-21swapper/112:25:001
349099140,2cyclictest0-21swapper/110:23:341
3489991411,2cyclictest19575-21apt-get07:47:290
3489991410,2cyclictest0-21swapper/012:35:150
348999140,2cyclictest0-21swapper/010:10:110
348999140,12cyclictest0-21swapper/011:30:100
348999140,12cyclictest0-21swapper/009:57:020
348999140,12cyclictest0-21swapper/008:20:140
283262140,2sleep00-21swapper/011:38:140
44172130,1sleep00-21swapper/011:11:560
349399139,2cyclictest21182-21ntp_states09:10:153
3493991310,2cyclictest0-21swapper/312:26:063
3493991310,2cyclictest0-21swapper/309:45:153
349399130,8cyclictest0-21swapper/310:27:043
349399130,3cyclictest0-21swapper/310:57:293
349399130,2cyclictest7019-21pzem_current08:35:193
349399130,2cyclictest0-21swapper/311:52:053
349399130,2cyclictest0-21swapper/311:43:043
349399130,2cyclictest0-21swapper/311:11:003
349399130,2cyclictest0-21swapper/310:39:253
349399130,2cyclictest0-21swapper/310:07:383
349399130,12cyclictest0-21swapper/311:39:153
349399130,12cyclictest0-21swapper/308:55:173
349399130,12cyclictest0-21swapper/307:28:043
349399130,11cyclictest0-21swapper/312:20:313
349399130,11cyclictest0-21swapper/311:30:163
349399130,11cyclictest0-21swapper/310:40:273
349399130,11cyclictest0-21swapper/309:30:493
349399130,11cyclictest0-21swapper/309:25:513
349399130,11cyclictest0-21swapper/308:28:043
349199139,2cyclictest0-21swapper/211:50:112
3491991310,2cyclictest3828-21kworker/u8:107:48:042
3491991310,2cyclictest3828-21kworker/u8:107:35:042
3491991310,2cyclictest15589-21kworker/u8:010:25:042
3491991310,2cyclictest11635-21kworker/u8:207:30:042
3491991310,2cyclictest1128-21kworker/u8:211:48:042
3491991310,2cyclictest0-21swapper/212:28:182
3491991310,2cyclictest0-21swapper/211:21:032
3491991310,2cyclictest0-21swapper/211:13:482
3491991310,2cyclictest0-21swapper/210:40:112
349199130,2cyclictest29450-21munin-node2
349199130,2cyclictest0-21swapper/209:35:042
349199130,2cyclictest0-21swapper/207:55:202
349199130,12cyclictest0-21swapper/210:00:112
349199130,12cyclictest0-21swapper/209:56:012
349099132,6cyclictest0-21swapper/112:25:001
349099131,7cyclictest0-21swapper/110:15:011
349099131,10cyclictest7869-21cut10:40:501
349099131,10cyclictest0-21swapper/107:35:151
3490991310,2cyclictest0-21swapper/109:56:181
3490991310,2cyclictest0-21swapper/108:15:141
349099130,2cyclictest19928-21diskmemload11:22:181
349099130,2cyclictest0-21swapper/111:15:191
349099130,2cyclictest0-21swapper/110:10:141
349099130,2cyclictest0-21swapper/110:09:371
349099130,2cyclictest0-21swapper/107:30:291
349099130,12cyclictest0-21swapper/112:35:131
349099130,12cyclictest0-21swapper/109:45:141
349099130,12cyclictest0-21swapper/109:30:041
349099130,11cyclictest19928-21diskmemload11:50:291
349099130,11cyclictest10707-21apt-get10:45:071
348999131,11cyclictest19928-21diskmemload12:20:170
3489991310,2cyclictest19928-21diskmemload10:07:530
3489991310,2cyclictest19928-21diskmemload09:10:580
3489991310,2cyclictest0-21swapper/011:52:420
3489991310,2cyclictest0-21swapper/011:44:030
3489991310,2cyclictest0-21swapper/010:45:120
3489991310,2cyclictest0-21swapper/009:42:130
3489991310,2cyclictest0-21swapper/007:35:500
348999130,2cyclictest0-21swapper/010:36:420
348999130,2cyclictest0-21swapper/009:35:220
348999130,12cyclictest0-21swapper/008:25:110
5532120,2sleep10-21swapper/112:18:111
349399129,2cyclictest0-21swapper/312:05:103
349399129,2cyclictest0-21swapper/311:29:503
349399129,2cyclictest0-21swapper/309:40:093
349399129,2cyclictest0-21swapper/309:15:213
349399129,2cyclictest0-21swapper/308:40:053
349399128,2cyclictest0-21swapper/307:30:163
349399120,2cyclictest0-21swapper/308:10:143
349399120,11cyclictest0-21swapper/310:48:403
349399120,10cyclictest0-21swapper/310:10:053
349199129,2cyclictest3828-21kworker/u8:107:50:042
349199129,2cyclictest3312-21kworker/u8:207:13:042
349199129,2cyclictest19928-21diskmemload10:20:102
349199129,2cyclictest10084-21kworker/u8:208:46:052
349199129,2cyclictest0-21swapper/211:16:322
349199120,2cyclictest0-21swapper/208:10:162
349199120,11cyclictest0-21swapper/211:35:152
349099129,2cyclictest19928-21diskmemload09:40:191
349099129,2cyclictest0-21swapper/109:10:381
349099129,2cyclictest0-21swapper/108:45:171
349099128,2cyclictest0-21swapper/107:55:141
349099121,9cyclictest28601-21diskstats08:10:141
349099121,9cyclictest0-21swapper/110:55:181
349099121,9cyclictest0-21swapper/108:30:121
349099120,2cyclictest0-21swapper/111:00:501
349099120,2cyclictest0-21swapper/107:10:501
349099120,11cyclictest0-21swapper/112:00:121
349099120,11cyclictest0-21swapper/111:12:281
348999129,2cyclictest27817-21ssh11:02:340
348999129,2cyclictest12817-21ssh12:30:590
348999129,2cyclictest0-21swapper/012:25:440
348999129,2cyclictest0-21swapper/012:07:330
348999129,2cyclictest0-21swapper/011:27:230
348999129,2cyclictest0-21swapper/010:44:050
348999129,2cyclictest0-21swapper/010:34:560
348999129,2cyclictest0-21swapper/009:31:440
348999129,2cyclictest0-21swapper/008:45:150
348999129,2cyclictest0-21swapper/008:10:130
348999128,3cyclictest2051-21diskmemload11:45:120
348999120,2cyclictest0-21swapper/012:10:120
348999120,2cyclictest0-21swapper/010:27:230
348999120,2cyclictest0-21swapper/010:20:040
348999120,11cyclictest0-21swapper/011:58:410
348999120,11cyclictest0-21swapper/011:19:520
348999120,11cyclictest0-21swapper/011:05:020
348999120,11cyclictest0-21swapper/010:57:430
348999120,11cyclictest0-21swapper/010:52:060
348999120,11cyclictest0-21swapper/010:00:590
348999120,11cyclictest0-21swapper/009:51:040
348999120,11cyclictest0-21swapper/009:16:530
218972120,2sleep10-21swapper/112:05:411
80792110,2sleep08083-21apt-get08:40:110
53512110,1sleep00-21swapper/009:28:470
349399118,2cyclictest0-21swapper/308:45:153
349399112,7cyclictest0-21swapper/307:49:593
349399112,6cyclictest0-21swapper/308:20:023
349399110,9cyclictest32271-21kworker/u8:008:30:043
349399110,8cyclictest0-21swapper/307:13:583
349399110,2cyclictest0-21swapper/307:20:133
349199118,2cyclictest8083-21apt-get08:40:102
349199118,2cyclictest3828-21kworker/u8:107:21:042
349199118,2cyclictest16021-21kworker/u8:007:41:042
349199118,2cyclictest0-21swapper/208:55:202
349099111,8cyclictest0-21swapper/108:05:121
349099111,8cyclictest0-21swapper/107:51:011
349099111,8cyclictest0-21swapper/107:20:151
349099111,3cyclictest0-21swapper/108:56:011
348999118,2cyclictest0-21swapper/011:21:390
348999118,2cyclictest0-21swapper/008:50:180
348999110,2cyclictest0-21swapper/012:15:170
348999110,2cyclictest0-21swapper/007:53:130
348999110,1cyclictest0-21swapper/008:16:040
348999110,10cyclictest3312-21kworker/u8:207:11:040
348999110,10cyclictest0-21swapper/009:20:030
172512110,1sleep30-21swapper/307:41:043
349399106,2cyclictest14829-21ntpq07:35:173
349399102,6cyclictest0-21swapper/309:06:003
349199102,6cyclictest0-21swapper/208:03:022
349199100,2cyclictest0-21swapper/208:06:052
348999107,2cyclictest0-21swapper/010:16:560
348999107,2cyclictest0-21swapper/009:00:190
348999107,2cyclictest0-21swapper/008:00:180
348999107,2cyclictest0-21swapper/007:31:040
348999100,9cyclictest274-21jbd2/sda1-807:20:160
348999100,9cyclictest0-21swapper/012:01:060
348999100,9cyclictest0-21swapper/008:05:290
110042100,2sleep00-21swapper/007:26:030
34919994,3cyclictest5911-21aten2.4_r3power07:15:132
34919994,3cyclictest3728-21runrttasks08:37:272
34919994,3cyclictest1988-21cpu08:25:112
34899996,2cyclictest0-21swapper/008:36:130
34899996,2cyclictest0-21swapper/007:55:200
34899991,6cyclictest14135-21kworker/0:007:15:130
34919983,3cyclictest98822chrt07:25:122
34899985,2cyclictest0-21swapper/008:34:300
34899983,3cyclictest15982-21munin-node0
34899974,2cyclictest18181-21aten2.4_r3power09:05:110
34899973,3cyclictest14373-21cut08:55:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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