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2026-09-11 - 15:05

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 Fri Sep 11, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2053221390,0sleep10-21swapper/112:26:591
10772121110,6sleep10-21swapper/107:07:391
493210896,6sleep20-21swapper/207:05:312
1242210897,6sleep00-21swapper/007:09:460
31929210679,6sleep30-21swapper/307:05:083
97862780,1sleep0101ktimersoftd/007:30:130
27282770,0sleep20-21swapper/211:36:292
163332770,0sleep30-21swapper/311:50:163
1290994517,26cyclictest0-21swapper/110:20:111
1292993817,19cyclictest0-21swapper/312:05:103
1292993715,20cyclictest0-21swapper/311:30:183
1291992825,2cyclictest30157-21kworker/u8:211:06:042
1291992825,2cyclictest21377-21kworker/u8:210:23:052
47082270,0sleep00-21swapper/009:29:000
246072270,0sleep20-21swapper/209:49:022
129099271,3cyclictest207150irq/24-eth111:30:181
1291992623,2cyclictest28113-21kworker/u8:010:52:052
311072250,1sleep20-21swapper/212:05:152
1291992522,2cyclictest28161-21kworker/u8:111:42:042
1291992522,2cyclictest28113-21kworker/u8:010:26:042
1291992522,2cyclictest15873-21kworker/u8:011:29:042
1291992522,2cyclictest12154-21kworker/u8:009:57:052
1291992421,2cyclictest30459-21kworker/u8:009:25:042
1291992421,2cyclictest28113-21kworker/u8:010:57:042
1291992421,2cyclictest28113-21kworker/u8:010:38:042
1291992421,2cyclictest25118-21kworker/u8:209:18:012
1291992421,2cyclictest1800-21kworker/u8:212:03:052
1291992421,2cyclictest17650-21kworker/u8:109:32:052
1291992421,2cyclictest12532-21kworker/u8:212:24:012
1291992421,2cyclictest12155-21kworker/u8:309:37:042
325672230,1sleep1221ktimersoftd/109:24:491
223612230,1sleep00-21swapper/011:24:320
1291992320,2cyclictest8543-21kworker/u8:011:54:012
1291992320,2cyclictest1800-21kworker/u8:211:55:042
1291992320,2cyclictest15873-21kworker/u8:011:23:042
1291992320,2cyclictest12154-21kworker/u8:009:43:042
129299221,19cyclictest18980-21sendmail-mta11:55:113
1291992219,2cyclictest3095-21kworker/u8:210:07:042
1291992219,2cyclictest28365-21kworker/u8:012:12:012
1291992219,2cyclictest21377-21kworker/u8:210:18:012
1291992219,2cyclictest15873-21kworker/u8:011:18:042
1291992219,2cyclictest1091-21kworker/u8:112:17:042
1291992219,2cyclictest10809-21kworker/u8:210:49:052
129299211,18cyclictest0-21swapper/311:15:103
1291992118,2cyclictest3095-21kworker/u8:210:04:042
1291992118,2cyclictest22222-21kworker/u8:208:12:042
1291992118,2cyclictest21608-21kworker/u8:012:34:052
1291992118,2cyclictest13361-21kworker/u8:007:41:052
129099211,18cyclictest20449-21ssh11:55:101
1291992017,2cyclictest3448-21kworker/u8:108:37:042
1291992017,2cyclictest28113-21kworker/u8:010:30:012
1291992017,2cyclictest17492-21kworker/u8:007:52:042
1291992017,2cyclictest15474-21kworker/u8:107:55:042
1291992017,2cyclictest10809-21kworker/u8:210:42:042
1292991914,3cyclictest18139-21ssh09:10:113
1291991916,2cyclictest3448-21kworker/u8:108:54:042
1291991916,2cyclictest3448-21kworker/u8:108:43:042
1291991916,2cyclictest22222-21kworker/u8:208:19:042
1291991916,2cyclictest22222-21kworker/u8:208:06:052
1291991916,2cyclictest17650-21kworker/u8:109:24:062
128999191,16cyclictest0-21swapper/011:33:230
1291991815,2cyclictest8780-21kworker/u8:107:29:042
1291991815,2cyclictest8543-21kworker/u8:011:46:012
1291991815,2cyclictest5449-21kworker/u8:207:20:042
1291991815,2cyclictest22222-21kworker/u8:208:27:042
1291991815,2cyclictest21984-21kworker/u8:110:14:042
1291991815,2cyclictest17492-21kworker/u8:008:47:042
1291991815,2cyclictest15474-21kworker/u8:107:45:042
1291991815,2cyclictest13361-21kworker/u8:007:38:012
1291991815,2cyclictest10812-21ssh11:12:052
1292991713,2cyclictest0-21swapper/311:05:103
1291991714,2cyclictest3448-21kworker/u8:108:58:022
1291991714,2cyclictest22222-21kworker/u8:208:32:052
1291991714,2cyclictest22222-21kworker/u8:208:02:042
1291991714,2cyclictest12532-21kworker/u8:212:25:052
128999174,12cyclictest0-21swapper/009:47:040
129299161,3cyclictest0-21swapper/310:45:133
1291991613,2cyclictest9500-21kworker/u8:307:30:042
129099162,12cyclictest15760-21aten2.4_r3power09:40:121
128999161,3cyclictest0-21swapper/009:45:000
1289991611,4cyclictest0-21swapper/010:06:020
128999161,13cyclictest0-21swapper/010:48:410
128999160,14cyclictest0-21swapper/012:05:000
128999160,14cyclictest0-21swapper/011:54:250
129299152,7cyclictest0-21swapper/307:40:003
129299151,3cyclictest16484-21ssh12:23:193
129299151,3cyclictest0-21swapper/308:10:153
1292991510,3cyclictest0-21swapper/308:20:133
129299150,4cyclictest27130-21ssh10:56:013
129299150,13cyclictest0-21swapper/309:50:223
129299150,13cyclictest0-21swapper/307:55:043
129299150,13cyclictest0-21swapper/307:10:173
1291991512,2cyclictest3448-21kworker/u8:109:01:042
1291991512,2cyclictest3211-21kworker/u8:007:17:052
129199151,12cyclictest22380-21ssh09:14:262
1290991510,3cyclictest12746-21proc_pri07:35:191
129099150,2cyclictest0-21swapper/110:10:191
128999159,4cyclictest0-21swapper/012:38:290
128999153,10cyclictest10299-21chrt09:34:570
128999152,7cyclictest0-21swapper/012:00:000
128999152,2cyclictest0-21swapper/008:46:010
128999152,12cyclictest0-21swapper/011:16:230
128999151,3cyclictest0-21swapper/012:31:210
128999151,3cyclictest0-21swapper/009:35:070
1289991512,2cyclictest0-21swapper/011:10:220
1289991512,2cyclictest0-21swapper/009:55:280
1289991511,3cyclictest0-21swapper/011:01:050
1289991511,3cyclictest0-21swapper/010:10:190
128999151,12cyclictest6558-21sendmail-mta12:16:200
128999151,12cyclictest3536-21ssh10:32:230
128999151,12cyclictest28144-21munin-node0
128999151,12cyclictest23202-21ssh11:57:130
128999151,12cyclictest11982-21sh10:40:360
128999150,13cyclictest0-21swapper/007:15:150
129299149,3cyclictest31439-21sendmail-mta11:35:383
129299149,3cyclictest20726-21ssh10:16:563
129299149,3cyclictest0-21swapper/309:56:023
129299149,3cyclictest0-21swapper/307:35:003
129299141,3cyclictest9201-21sendmail-mta09:35:273
1292991411,2cyclictest0-21swapper/312:36:043
129299140,12cyclictest7801-21ssh10:04:533
129299140,12cyclictest27110-21switchtime12:01:023
129299140,12cyclictest0-21swapper/312:16:013
129299140,12cyclictest0-21swapper/308:05:043
129199140,12cyclictest3342-21munin-run07:15:002
129199140,12cyclictest0-21swapper/209:50:522
1290991411,2cyclictest0-21swapper/112:24:501
1290991410,2cyclictest26466-21memory09:50:211
129099140,3cyclictest552-21ssh12:07:011
129099140,2cyclictest0-21swapper/110:19:561
129099140,2cyclictest0-21swapper/108:23:181
129099140,2cyclictest0-21swapper/107:55:071
129099140,13cyclictest0-21swapper/110:40:011
129099140,13cyclictest0-21swapper/109:30:191
129099140,13cyclictest0-21swapper/109:15:191
129099140,12cyclictest17798-21diskmemload11:20:141
128999149,4cyclictest0-21swapper/010:28:140
128999149,3cyclictest28242-21munin-node0
128999143,9cyclictest15955-21cut07:45:110
128999142,7cyclictest0-21swapper/007:25:000
128999142,6cyclictest0-21swapper/012:25:000
128999142,2cyclictest0-21swapper/007:55:110
128999142,11cyclictest0-21swapper/010:50:540
128999142,11cyclictest0-21swapper/009:12:250
1289991412,1cyclictest0-21swapper/010:35:190
1289991411,2cyclictest0-21swapper/012:11:510
1289991410,3cyclictest25558-21ssh10:55:100
1289991410,3cyclictest0-21swapper/011:45:160
1289991410,3cyclictest0-21swapper/008:21:050
128999140,3cyclictest0-21swapper/010:15:440
129299138,3cyclictest6626-21iostat_ios08:40:183
129299132,7cyclictest0-21swapper/308:40:003
1292991310,2cyclictest0-21swapper/307:46:013
129299130,3cyclictest0-21swapper/309:26:283
129299130,2cyclictest8631-21iostat_ios08:45:153
129299130,2cyclictest0-21swapper/312:25:103
129299130,2cyclictest0-21swapper/310:05:113
129299130,2cyclictest0-21swapper/309:15:153
129299130,12cyclictest0-21swapper/309:45:193
129299130,11cyclictest17798-21diskmemload11:20:583
129299130,11cyclictest0-21swapper/312:13:453
1291991310,2cyclictest0-21swapper/211:03:402
129199130,12cyclictest0-21swapper/212:36:372
1290991310,2cyclictest17798-21diskmemload12:03:171
1290991310,2cyclictest0-21swapper/112:15:221
1290991310,2cyclictest0-21swapper/111:29:411
1290991310,2cyclictest0-21swapper/110:40:011
1290991310,2cyclictest0-21swapper/109:28:111
1290991310,2cyclictest0-21swapper/108:06:041
129099130,2cyclictest17798-21diskmemload09:39:291
129099130,2cyclictest0-21swapper/111:15:201
129099130,2cyclictest0-21swapper/108:10:491
129099130,12cyclictest0-21swapper/111:44:401
129099130,12cyclictest0-21swapper/111:10:351
129099130,12cyclictest0-21swapper/111:03:211
129099130,12cyclictest0-21swapper/110:34:401
129099130,12cyclictest0-21swapper/110:25:141
129099130,12cyclictest0-21swapper/110:08:191
129099130,12cyclictest0-21swapper/109:59:391
129099130,12cyclictest0-21swapper/108:25:181
128999138,3cyclictest0-21swapper/007:10:120
128999134,7cyclictest6505-21needreboot11:40:170
128999133,8cyclictest2527950ssh09:50:000
128999131,2cyclictest0-21swapper/012:28:550
128999131,2cyclictest0-21swapper/008:06:010
128999131,11cyclictest0-21swapper/008:10:120
128999131,10cyclictest0-21swapper/009:00:160
1289991310,2cyclictest0-21swapper/011:37:040
1289991310,2cyclictest0-21swapper/011:26:050
1289991310,2cyclictest0-21swapper/011:05:200
1289991310,2cyclictest0-21swapper/010:22:130
1289991310,2cyclictest0-21swapper/008:53:560
1289991310,2cyclictest0-21swapper/008:00:110
128999130,11cyclictest0-21swapper/009:15:020
287892120,2sleep317798-21diskmemload10:25:163
129299129,2cyclictest0-21swapper/312:34:043
129299129,2cyclictest0-21swapper/311:40:173
129299129,2cyclictest0-21swapper/309:34:173
129299129,2cyclictest0-21swapper/308:25:113
129299128,2cyclictest6075-21df10:35:143
129299127,3cyclictest15669-21ssh09:40:113
129299127,3cyclictest0-21swapper/311:25:123
129299120,2cyclictest0-21swapper/310:44:183
129299120,11cyclictest0-21swapper/311:12:083
129299120,11cyclictest0-21swapper/308:56:023
129299120,10cyclictest0-21swapper/310:50:513
129299120,10cyclictest0-21swapper/309:22:043
129199129,2cyclictest0-21swapper/208:21:042
129199122,6cyclictest0-21swapper/209:06:012
129199120,11cyclictest0-21swapper/211:32:272
129099129,2cyclictest0-21swapper/111:45:121
129099129,2cyclictest0-21swapper/110:45:011
129099129,2cyclictest0-21swapper/109:14:051
129099129,2cyclictest0-21swapper/109:05:151
129099129,2cyclictest0-21swapper/109:01:011
129099129,2cyclictest0-21swapper/108:15:131
129099129,2cyclictest0-21swapper/107:25:151
129099129,2cyclictest0-21swapper/107:15:171
129099128,2cyclictest3796-21irqstats11:05:151
129099127,3cyclictest0-21swapper/108:35:171
129099121,9cyclictest20606-21munin-node1
129099121,9cyclictest16052-21uniq11:50:141
129099121,3cyclictest1500-21munin-node1
129099120,2cyclictest0-21swapper/112:40:001
129099120,2cyclictest0-21swapper/112:12:001
129099120,2cyclictest0-21swapper/110:55:161
129099120,11cyclictest0-21swapper/111:36:081
129099120,11cyclictest0-21swapper/109:45:241
129099120,10cyclictest4675-21sh10:00:481
129099120,10cyclictest0-21swapper/107:40:491
128999126,4cyclictest15648-21sendmail-mta09:05:110
128999123,6cyclictest0-21swapper/008:31:010
128999122,9cyclictest0-21swapper/007:36:210
128999122,6cyclictest0-21swapper/007:25:010
128999121,2cyclictest0-21swapper/008:55:150
128999120,3cyclictest0-21swapper/008:25:170
128999120,11cyclictest0-21swapper/010:00:300
128999120,11cyclictest0-21swapper/007:50:110
128999120,10cyclictest0-21swapper/008:38:400
129299118,2cyclictest0-21swapper/311:46:433
129299118,2cyclictest0-21swapper/310:20:123
129299118,2cyclictest0-21swapper/310:10:373
129299118,2cyclictest0-21swapper/307:51:003
129299111,6cyclictest0-21swapper/308:54:553
129299110,2cyclictest0-21swapper/311:00:573
129299110,2cyclictest0-21swapper/307:26:083
129299110,10cyclictest0-21swapper/310:30:513
129099116,3cyclictest0-21swapper/108:30:171
129099113,3cyclictest97882aten2.4-expect07:30:131
129099111,8cyclictest17845-21munin-node1
129099111,6cyclictest0-21swapper/108:00:001
129099111,5cyclictest0-21swapper/107:50:001
129099111,2cyclictest0-21swapper/108:55:141
129099110,9cyclictest0-21swapper/108:41:021
129099110,2cyclictest0-21swapper/112:31:211
129299107,2cyclictest0-21swapper/309:00:183
129299107,2cyclictest0-21swapper/308:16:253
129299105,3cyclictest5998-21cpuspeed_turbos07:20:123
129299105,3cyclictest3190-21sendmail-mta07:15:183
129299100,9cyclictest0-21swapper/308:00:133
129099107,2cyclictest0-21swapper/108:45:121
129099100,8cyclictest9960-21munin-node1
129099100,8cyclictest0-21swapper/107:20:111
128999104,4cyclictest5951-21munin-node0
128999104,4cyclictest13848-21munin-node0
12929996,2cyclictest0-21swapper/309:05:123
12929994,3cyclictest1800-21aten2.4-expect08:30:123
12929994,3cyclictest14279-21grep07:40:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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