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2026-05-04 - 05:27

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 Mon May 04, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350421410,3sleep21152099cyclictest00:15:142
11285210785,16sleep30-21swapper/319:07:213
11214210796,6sleep10-21swapper/119:06:271
11410210695,6sleep00-21swapper/019:08:580
10754210494,6sleep20-21swapper/219:05:442
1089621010,1sleep210898-21sed22:36:062
73172810,0sleep00-21swapper/022:32:180
230822710,1sleep121-21rcuc/121:40:011
180972710,2sleep09-21ksoftirqd/020:45:130
171092710,1sleep20-21swapper/222:43:342
11521992015,3cyclictest4919-21ssh21:20:103
1152199200,18cyclictest0-21swapper/323:40:123
1152199200,18cyclictest0-21swapper/319:55:113
11518992017,2cyclictest27482-21kworker/u8:220:04:040
11521991916,2cyclictest20608-21kworker/u8:119:12:023
11521991916,2cyclictest17180-21kworker/u8:200:04:023
1151999191,16cyclictest0-21swapper/123:40:131
11518991916,2cyclictest21551-21kworker/u8:219:37:040
11518991916,2cyclictest2012-21kworker/u8:221:29:050
1152099182,14cyclictest0-21swapper/220:11:042
11520991815,2cyclictest6779-21kworker/u8:122:02:022
11520991815,2cyclictest6742-21kworker/u8:123:16:062
11520991815,2cyclictest1136-21kworker/u8:223:04:052
1151999180,2cyclictest0-21swapper/123:30:101
11518991815,2cyclictest31713-21kworker/u8:000:00:040
11518991815,2cyclictest1647-21kworker/u8:020:11:040
11521991714,2cyclictest17852-21kworker/u8:119:45:043
11520991714,2cyclictest17712-21kworker/u8:223:23:042
1152099171,15cyclictest0-21swapper/200:00:042
1151999170,15cyclictest0-21swapper/120:20:111
11518991714,2cyclictest7482-21kworker/u8:120:29:040
11518991714,2cyclictest27482-21kworker/u8:220:17:050
11518991714,2cyclictest17712-21kworker/u8:223:29:040
11518991714,2cyclictest12602-21kworker/u8:022:04:050
11518991714,2cyclictest11793-21kworker/u8:221:06:040
11521991613,2cyclictest6779-21kworker/u8:121:57:043
11521991613,2cyclictest27482-21kworker/u8:219:54:013
11521991613,2cyclictest26464-21kworker/u8:121:48:053
11521991613,2cyclictest19859-21kworker/u8:221:37:053
11521991613,2cyclictest12602-21kworker/u8:022:42:043
11520991613,2cyclictest21483-21kworker/u8:022:59:042
11520991613,2cyclictest17180-21kworker/u8:200:12:042
11520991613,2cyclictest12602-21kworker/u8:022:21:042
1152099161,2cyclictest0-21swapper/221:29:052
1152099161,13cyclictest4071-21cpuspeed_turbos23:40:142
1152099160,3cyclictest0-21swapper/220:46:012
1152099160,2cyclictest0-21swapper/223:29:052
1152099160,2cyclictest0-21swapper/220:29:052
1152099160,14cyclictest0-21swapper/222:50:122
1151999166,5cyclictest207150irq/24-eth119:27:591
1151999163,2cyclictest221ktimersoftd/121:58:581
1151999161,6cyclictest0-21swapper/122:57:581
11519991611,3cyclictest3728-21runrttasks22:45:481
11518991613,2cyclictest19859-21kworker/u8:222:09:040
11518991613,2cyclictest17180-21kworker/u8:200:16:040
167202150,2sleep116723-21ntp_kernel_pll_19:20:161
1152199151,2cyclictest21071-21python20:51:023
1152199151,2cyclictest0-21swapper/320:29:053
11521991512,2cyclictest6742-21kworker/u8:123:08:053
11521991512,2cyclictest32634-21kworker/u8:021:53:043
11521991512,2cyclictest25799-21kworker/u8:123:47:043
11521991512,2cyclictest25405-21kworker/u8:222:28:053
1152199150,2cyclictest0-21swapper/323:29:053
1152199150,2cyclictest0-21swapper/321:28:013
1152199150,14cyclictest0-21swapper/320:48:043
1152199150,13cyclictest27137-21if_eth000:05:153
1152199150,13cyclictest14105-21ssh00:26:143
1152199150,13cyclictest0-21swapper/300:15:043
1152099151,2cyclictest0-21swapper/221:06:042
11520991512,2cyclictest6409-21kworker/u8:100:21:042
11520991512,2cyclictest25405-21kworker/u8:222:33:042
11520991512,2cyclictest17852-21kworker/u8:119:42:022
11520991512,2cyclictest15451-21kworker/u8:019:22:042
1152099151,12cyclictest13788-21apt-get22:05:062
1152099150,4cyclictest0-21swapper/220:17:052
1152099150,13cyclictest0-21swapper/200:34:012
1151999151,12cyclictest20631-21ssh00:34:311
11519991510,3cyclictest2971-21ssh00:15:111
11519991510,3cyclictest0-21swapper/122:03:511
1151999150,13cyclictest27747-21diskmemload22:19:091
11518991512,2cyclictest31713-21kworker/u8:023:41:050
11518991512,2cyclictest14355-21kworker/u8:200:34:020
11518991512,2cyclictest11793-21kworker/u8:220:38:050
1151899150,2cyclictest0-21swapper/023:46:420
1152199149,3cyclictest26749-21rm22:18:463
11521991411,2cyclictest25405-21kworker/u8:222:20:043
11521991411,2cyclictest21684-21kworker/u8:121:32:043
11521991411,2cyclictest17180-21kworker/u8:223:55:043
11521991411,2cyclictest11793-21kworker/u8:221:10:053
11521991411,2cyclictest11793-21kworker/u8:220:42:043
1152199141,12cyclictest11517-21cyclictest22:58:353
1152199140,2cyclictest0-21swapper/323:15:533
1152199140,2cyclictest0-21swapper/322:50:133
1152199140,2cyclictest0-21swapper/322:46:333
1152199140,2cyclictest0-21swapper/321:06:043
1152199140,2cyclictest0-21swapper/300:20:333
1152199140,13cyclictest0-21swapper/323:00:043
1152199140,13cyclictest0-21swapper/322:30:433
1152199140,12cyclictest16300-21ssh22:06:253
1152199140,12cyclictest0-21swapper/321:41:003
11520991411,2cyclictest6779-21kworker/u8:121:56:042
11520991411,2cyclictest27747-21diskmemload23:53:312
11520991411,2cyclictest25405-21kworker/u8:222:29:052
11520991411,2cyclictest0-21swapper/222:11:022
11520991410,2cyclictest0-21swapper/219:25:132
1152099140,2cyclictest0-21swapper/223:49:212
1152099140,2cyclictest0-21swapper/221:47:022
1152099140,2cyclictest0-21swapper/220:50:072
1152099140,13cyclictest0-21swapper/223:10:062
1152099140,13cyclictest0-21swapper/222:47:012
1152099140,13cyclictest0-21swapper/222:17:012
1152099140,13cyclictest0-21swapper/221:31:312
1152099140,13cyclictest0-21swapper/200:28:012
1152099140,12cyclictest0-21swapper/221:50:202
1151999149,3cyclictest27349-21ssh21:44:301
1151999149,3cyclictest0-21swapper/121:10:001
1151999142,7cyclictest0-21swapper/123:30:011
1151999142,10cyclictest221ktimersoftd/120:55:491
1151999142,10cyclictest221ktimersoftd/120:55:491
1151999141,3cyclictest13157-21cut00:25:171
11519991411,2cyclictest0-21swapper/123:48:281
11519991411,2cyclictest0-21swapper/123:07:181
11519991411,2cyclictest0-21swapper/120:00:171
11519991411,2cyclictest0-21swapper/100:08:091
11519991410,2cyclictest207150irq/24-eth122:52:061
1151999140,2cyclictest0-21swapper/123:13:181
1151999140,2cyclictest0-21swapper/121:48:581
1151999140,12cyclictest27747-21diskmemload22:30:081
1151999140,12cyclictest0-21swapper/123:56:031
11518991411,2cyclictest8389-21ssh23:09:430
11518991411,2cyclictest27747-21diskmemload23:01:040
11518991411,2cyclictest0-21swapper/022:51:030
11518991411,2cyclictest0-21swapper/000:25:120
11518991411,2cyclictest0-21swapper/000:10:320
1151899140,2cyclictest11903-21ssh22:37:310
1151899140,2cyclictest0-21swapper/023:35:230
1151899140,13cyclictest0-21swapper/023:23:420
1151899140,13cyclictest0-21swapper/022:57:520
1151899140,12cyclictest27747-21diskmemload21:45:100
1151899140,12cyclictest13007-21grep19:11:010
1151899140,12cyclictest0-21swapper/020:50:110
247002130,2sleep00-21swapper/022:16:010
213632130,2sleep00-21swapper/023:59:380
11521991310,2cyclictest6779-21kworker/u8:122:00:053
11521991310,2cyclictest25799-21kworker/u8:123:52:023
11521991310,2cyclictest21684-21kworker/u8:121:03:043
11521991310,2cyclictest18612-21kworker/u8:122:10:053
11521991310,2cyclictest17712-21kworker/u8:223:20:043
11521991310,2cyclictest15451-21kworker/u8:019:30:043
11521991310,2cyclictest0-21swapper/323:33:033
11521991310,2cyclictest0-21swapper/321:18:563
11521991310,2cyclictest0-21swapper/320:00:133
11521991310,2cyclictest0-21swapper/300:32:273
11521991310,2cyclictest0-21swapper/300:11:363
1152199130,9cyclictest0-21swapper/320:31:043
1152199130,12cyclictest0-21swapper/323:11:033
1152199130,12cyclictest0-21swapper/320:35:053
1152199130,12cyclictest0-21swapper/320:16:043
1152199130,11cyclictest0-21swapper/322:35:223
1152199130,10cyclictest0-21swapper/300:37:043
1152099131,3cyclictest18254-21memory23:55:162
11520991310,2cyclictest7482-21kworker/u8:120:35:042
11520991310,2cyclictest7482-21kworker/u8:120:24:042
11520991310,2cyclictest27482-21kworker/u8:219:51:052
11520991310,2cyclictest2012-21kworker/u8:221:16:042
1152099130,2cyclictest0-21swapper/223:32:412
1152099130,2cyclictest0-21swapper/221:10:152
1152099130,12cyclictest1658-21ssh23:37:032
1152099130,12cyclictest0-21swapper/221:39:482
1152099130,12cyclictest0-21swapper/200:05:182
1151999138,3cyclictest19864-21munin-node1
1151999132,6cyclictest0-21swapper/119:15:001
1151999131,9cyclictest0-21swapper/121:51:011
1151999131,3cyclictest0-21swapper/123:35:181
1151999131,11cyclictest21-21rcuc/122:20:131
1151999131,10cyclictest0-21swapper/120:50:061
11519991310,2cyclictest0-21swapper/123:19:391
11519991310,2cyclictest0-21swapper/122:35:281
11519991310,2cyclictest0-21swapper/122:26:591
11519991310,2cyclictest0-21swapper/100:11:391
1151999130,2cyclictest221ktimersoftd/121:22:381
1151999130,2cyclictest0-21swapper/121:15:381
1151999130,12cyclictest0-21swapper/122:13:281
1151999130,11cyclictest0-21swapper/123:53:401
1151999130,11cyclictest0-21swapper/121:25:491
1151999130,11cyclictest0-21swapper/100:35:191
1151999130,10cyclictest0-21swapper/123:00:141
11518991310,2cyclictest0-21swapper/022:25:140
11518991310,2cyclictest0-21swapper/021:52:120
11518991310,2cyclictest0-21swapper/021:21:310
11518991310,2cyclictest0-21swapper/021:11:520
11518991310,2cyclictest0-21swapper/020:30:160
11518991310,2cyclictest0-21swapper/000:37:120
1151899130,3cyclictest28661-21ssh00:06:310
1151899130,2cyclictest0-21swapper/022:23:110
1151899130,2cyclictest0-21swapper/020:05:130
1151899130,12cyclictest0-21swapper/022:11:210
1151899130,12cyclictest0-21swapper/021:58:220
1151899130,12cyclictest0-21swapper/021:31:410
1151899130,12cyclictest0-21swapper/000:20:160
1151899130,11cyclictest0-21swapper/023:15:170
1152199129,2cyclictest7482-21kworker/u8:120:22:043
1152199129,2cyclictest17852-21kworker/u8:119:26:063
1152199129,2cyclictest1647-21kworker/u8:020:07:043
1152199129,2cyclictest0-21swapper/320:55:153
1152199129,2cyclictest0-21swapper/320:55:143
1152199122,7cyclictest0-21swapper/320:13:583
1152199122,7cyclictest0-21swapper/319:15:013
1152199120,11cyclictest0-21swapper/323:36:253
1152099129,2cyclictest7482-21kworker/u8:120:34:042
1152099129,2cyclictest27482-21kworker/u8:220:01:052
1152099129,2cyclictest15451-21kworker/u8:019:19:042
1152099129,2cyclictest0-21swapper/223:05:522
1152099129,2cyclictest0-21swapper/220:06:012
1152099120,2cyclictest0-21swapper/221:43:042
1152099120,2cyclictest0-21swapper/219:35:202
1152099120,11cyclictest22532-21ssh00:35:402
1151999129,2cyclictest221ktimersoftd/123:21:501
1151999129,2cyclictest221ktimersoftd/121:34:121
1151999129,2cyclictest0-21swapper/122:42:401
1151999129,2cyclictest0-21swapper/121:14:101
1151999129,2cyclictest0-21swapper/100:20:501
1151999128,2cyclictest0-21swapper/119:51:031
1151999127,3cyclictest1515-21munin-node1
1151999127,3cyclictest0-21swapper/121:00:161
1151999127,3cyclictest0-21swapper/120:45:161
1151999123,7cyclictest221ktimersoftd/119:45:111
1151999122,7cyclictest0-21swapper/120:34:581
1151999122,6cyclictest0-21swapper/120:36:011
1151999121,9cyclictest23901-21munin-node1
1151999120,11cyclictest0-21swapper/122:05:161
1151999120,11cyclictest0-21swapper/120:10:191
1151999120,11cyclictest0-21swapper/100:02:201
1151999120,10cyclictest0-21swapper/120:25:061
1151899129,2cyclictest27482-21kworker/u8:219:55:040
1151899129,2cyclictest21684-21kworker/u8:121:02:050
1151899129,2cyclictest0-21swapper/023:50:420
1151899129,2cyclictest0-21swapper/022:45:210
1151899129,2cyclictest0-21swapper/022:40:010
1151899129,2cyclictest0-21swapper/021:36:410
1151899129,2cyclictest0-21swapper/020:20:130
1151899129,2cyclictest0-21swapper/019:20:180
1151899120,2cyclictest0-21swapper/023:10:340
1151899120,11cyclictest0-21swapper/021:18:020
1151899120,11cyclictest0-21swapper/019:25:190
1151899120,11cyclictest0-21swapper/019:15:090
1151899120,10cyclictest24857-21ssh21:40:590
1152199118,2cyclictest23638-21kworker/u8:019:40:013
1152199112,6cyclictest0-21swapper/319:21:033
1152099118,2cyclictest24080-21basename21:00:122
1152099118,2cyclictest23638-21kworker/u8:019:49:042
1152099118,2cyclictest0-21swapper/221:21:222
1151999117,2cyclictest0-21swapper/119:35:131
1151999116,3cyclictest30008-21cut19:55:111
1151999111,6cyclictest0-21swapper/120:16:141
1151899118,2cyclictest0-21swapper/023:32:230
1151899118,2cyclictest0-21swapper/019:50:120
1152199100,2cyclictest0-21swapper/319:37:053
1152099103,6cyclictest274-21jbd2/sda1-819:32:402
1152099101,4cyclictest15860-21munin-node2
1152099100,2cyclictest0-21swapper/219:55:042
1151999101,7cyclictest0-21swapper/119:16:011
1151999100,8cyclictest0-21swapper/120:40:121
1151899107,2cyclictest0-21swapper/019:31:050
115209994,3cyclictest0-21swapper/219:10:122
115189996,2cyclictest23638-21kworker/u8:019:40:060
115189994,3cyclictest26470-21fw_packets19:45:140
115189994,3cyclictest23033-21mailstats20:56:000
115189994,3cyclictest23033-21mailstats20:55:590
115209983,3cyclictest22073-21aten2.4_r3power20:55:112
115209983,3cyclictest22073-21aten2.4_r3power20:55:112
115189983,3cyclictest15965-21aten2.4_r3power20:40:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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