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2026-07-27 - 14:12

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 highest latencies:
System rack3slot6s.osadl.org (updated Mon Jul 27, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262162117106,6sleep20-21swapper/207:05:212
25212210986,18sleep00-21swapper/007:05:110
26916210796,6sleep30-21swapper/307:08:583
26821210796,6sleep10-21swapper/107:07:441
8262230,1sleep1221ktimersoftd/110:05:141
33232220,0sleep00-21swapper/010:40:330
305702220,1sleep339-21ksoftirqd/311:41:483
27027992219,2cyclictest4868-21kworker/u8:212:00:022
27027992219,2cyclictest21413-21kworker/u8:212:07:052
27027992118,2cyclictest9780-21kworker/u8:009:46:022
27027992118,2cyclictest29932-21kworker/u8:210:26:052
27027992118,2cyclictest22346-21kworker/u8:309:50:042
27027992118,2cyclictest19114-21kworker/u8:208:15:052
27027992118,2cyclictest19114-21kworker/u8:208:15:042
27026992117,2cyclictest0-21swapper/108:40:131
34592200,2sleep23462-21cpuspeed_turbos08:50:132
2702899200,18cyclictest0-21swapper/309:35:113
27027992017,2cyclictest7405-21kworker/u8:008:01:052
27027992017,2cyclictest7323-21kworker/u8:209:26:052
27027992017,2cyclictest3707-21kworker/u8:012:26:052
27027992017,2cyclictest25463-21kworker/u8:011:43:052
2702799201,2cyclictest0-21swapper/210:09:052
2702799200,18cyclictest0-21swapper/210:04:052
2702699200,18cyclictest0-21swapper/110:55:121
2702599200,18cyclictest0-21swapper/009:15:110
244762200,0sleep00-21swapper/011:35:370
325242190,1sleep0101ktimersoftd/011:44:500
27027991916,2cyclictest4868-21kworker/u8:211:57:052
27027991916,2cyclictest27667-21kworker/u8:011:24:052
27027991916,2cyclictest2632-21kworker/u8:207:41:052
27027991916,2cyclictest19689-21kworker/u8:211:36:062
27027991913,5cyclictest11137-21diskmemload12:17:042
2702599190,18cyclictest0-21swapper/009:29:050
27027991815,2cyclictest7405-21kworker/u8:008:32:022
27027991815,2cyclictest7323-21kworker/u8:209:20:062
27027991815,2cyclictest7323-21kworker/u8:209:15:052
27027991815,2cyclictest32729-21kworker/u8:210:42:042
27027991815,2cyclictest32729-21kworker/u8:210:38:022
27027991815,2cyclictest27667-21kworker/u8:011:16:052
27027991815,2cyclictest27149-21kworker/u8:110:54:052
27027991815,2cyclictest27149-21kworker/u8:110:46:022
27027991815,2cyclictest19689-21kworker/u8:211:32:042
27027991815,2cyclictest16562-21kworker/u8:109:56:022
27027991815,2cyclictest11033-21kworker/u8:109:10:052
27027991714,2cyclictest7664-21kworker/u8:111:48:052
27027991714,2cyclictest7664-21kworker/u8:111:48:052
27027991714,2cyclictest7405-21kworker/u8:008:38:042
27027991714,2cyclictest3707-21kworker/u8:012:31:052
27027991714,2cyclictest30762-21kworker/u8:007:25:052
27027991714,2cyclictest29932-21kworker/u8:210:23:052
27027991714,2cyclictest27149-21kworker/u8:111:08:042
27027991714,2cyclictest2632-21kworker/u8:207:58:042
27025991714,2cyclictest23127-21kworker/u8:010:06:040
181722170,0sleep00-21swapper/012:36:010
2702899160,14cyclictest3505-21ssh10:07:543
2702899160,14cyclictest0-21swapper/309:33:483
27027991613,2cyclictest7405-21kworker/u8:008:40:052
27027991613,2cyclictest7405-21kworker/u8:007:54:052
27027991613,2cyclictest31168-21kworker/u8:108:46:052
2702699161,13cyclictest0-21swapper/109:50:001
2702599163,11cyclictest9069-21ssh11:20:140
2702899151,12cyclictest9797-21munin-node3
2702899151,12cyclictest6562-21ssh10:10:343
2702899151,12cyclictest11838-21apt-get12:30:113
27028991510,3cyclictest0-21swapper/311:36:173
27028991510,3cyclictest0-21swapper/310:49:343
2702899150,13cyclictest6820-21popularity-cont07:36:223
2702899150,13cyclictest0-21swapper/307:15:183
27027991512,2cyclictest29932-21kworker/u8:210:15:042
27027991512,2cyclictest21575-21kworker/u8:108:24:052
27027991512,2cyclictest21575-21kworker/u8:108:24:052
2702799150,2cyclictest0-21swapper/212:35:052
2702799150,2cyclictest0-21swapper/211:11:052
2702799150,2cyclictest0-21swapper/209:40:052
2702799150,2cyclictest0-21swapper/209:30:052
2702799150,13cyclictest11137-21diskmemload10:55:172
2702799150,13cyclictest0-21swapper/207:15:162
2702699151,12cyclictest6513-21ssh11:17:141
2702699151,12cyclictest207150irq/24-eth110:53:141
2702699151,12cyclictest0-21swapper/107:10:391
27026991510,3cyclictest26891-21ssh09:59:031
2702699150,13cyclictest0-21swapper/110:04:291
2702899149,3cyclictest0-21swapper/311:29:243
2702899149,3cyclictest0-21swapper/311:10:413
27028991411,2cyclictest11137-21diskmemload09:50:573
27028991411,2cyclictest0-21swapper/310:16:573
27028991410,2cyclictest0-21swapper/309:15:203
2702899140,3cyclictest25489-21sh09:24:343
2702899140,3cyclictest15326-21aten2.4_r3power12:00:113
2702899140,2cyclictest0-21swapper/312:39:583
2702899140,2cyclictest0-21swapper/308:50:183
2702899140,13cyclictest0-21swapper/311:59:383
2702899140,12cyclictest540-21ssh10:38:143
2702899140,12cyclictest24403-21ssh11:02:103
2702899140,12cyclictest11841-21ssh11:22:563
2702899140,12cyclictest0-21swapper/311:09:593
2702899140,12cyclictest0-21swapper/310:22:083
2702799149,3cyclictest0-21swapper/211:25:152
27027991411,2cyclictest2632-21kworker/u8:207:35:052
27027991411,2cyclictest2632-21kworker/u8:207:30:052
2702799140,2cyclictest0-21swapper/211:01:052
2702799140,2cyclictest0-21swapper/210:34:052
2702699149,3cyclictest0-21swapper/109:10:311
2702699142,7cyclictest0-21swapper/108:45:011
2702699140,3cyclictest3728-21runrttasks11:30:021
2702699140,3cyclictest0-21swapper/110:25:421
2702699140,2cyclictest0-21swapper/110:20:131
2702699140,2cyclictest0-21swapper/109:20:121
2702699140,12cyclictest0-21swapper/112:13:111
2702599149,3cyclictest18635-21timerwakeupswit10:56:030
2702599141,2cyclictest10176-21apt-get10:15:110
27025991410,2cyclictest3288-21apt-get11:15:050
2702599140,12cyclictest22984-21apt-get09:55:110
2702599140,12cyclictest14033-21kernelversion09:45:180
2702599140,12cyclictest12927-21ssh11:56:580
83652130,0sleep30-21swapper/312:25:413
31402130,2sleep00-21swapper/011:47:040
31402130,2sleep00-21swapper/011:47:030
2702899138,3cyclictest23912-21ntpdc09:55:183
27028991310,2cyclictest0-21swapper/312:16:043
27028991310,2cyclictest0-21swapper/312:05:073
27028991310,2cyclictest0-21swapper/310:41:003
27028991310,2cyclictest0-21swapper/309:45:143
27028991310,2cyclictest0-21swapper/309:42:443
27028991310,2cyclictest0-21swapper/309:26:223
27028991310,2cyclictest0-21swapper/309:10:293
27028991310,2cyclictest0-21swapper/308:35:183
2702899130,2cyclictest0-21swapper/312:21:013
2702899130,2cyclictest0-21swapper/311:46:333
2702899130,2cyclictest0-21swapper/311:46:333
2702899130,2cyclictest0-21swapper/310:00:283
2702899130,2cyclictest0-21swapper/307:51:013
2702899130,12cyclictest0-21swapper/311:15:183
2702899130,12cyclictest0-21swapper/310:58:313
2702899130,12cyclictest0-21swapper/308:10:193
2702899130,11cyclictest0-21swapper/308:56:053
27027991310,2cyclictest0-21swapper/209:35:292
2702799130,2cyclictest0-21swapper/212:23:082
2702799130,12cyclictest0-21swapper/208:26:012
2702699131,3cyclictest0-21swapper/107:26:031
2702699131,2cyclictest918-21ssh09:31:441
27026991310,2cyclictest11137-21diskmemload11:45:291
27026991310,2cyclictest11137-21diskmemload11:45:281
27026991310,2cyclictest11137-21diskmemload09:43:371
27026991310,2cyclictest0-21swapper/111:54:281
27026991310,2cyclictest0-21swapper/110:43:401
2702699130,3cyclictest14245-21ssh10:19:171
2702699130,2cyclictest3187-21ntpd11:25:191
2702699130,2cyclictest11137-21diskmemload11:58:191
2702699130,2cyclictest0-21swapper/112:32:301
2702699130,2cyclictest0-21swapper/108:05:121
2702699130,12cyclictest0-21swapper/108:20:141
2702699130,12cyclictest0-21swapper/108:20:141
2702699130,11cyclictest0-21swapper/112:00:291
2702699130,11cyclictest0-21swapper/111:35:511
2702699130,11cyclictest0-21swapper/111:24:231
2702699130,11cyclictest0-21swapper/108:25:181
27025991310,2cyclictest0-21swapper/011:50:210
27025991310,2cyclictest0-21swapper/011:28:470
27025991310,2cyclictest0-21swapper/011:03:550
27025991310,2cyclictest0-21swapper/010:32:160
27025991310,2cyclictest0-21swapper/010:24:160
27025991310,2cyclictest0-21swapper/010:03:070
27025991310,2cyclictest0-21swapper/009:53:070
2702599130,2cyclictest11137-21diskmemload09:35:180
2702599130,2cyclictest0-21swapper/011:30:220
2702599130,2cyclictest0-21swapper/011:05:470
2702599130,12cyclictest0-21swapper/012:30:440
2702599130,11cyclictest0-21swapper/009:32:120
203192130,2sleep10-21swapper/112:38:481
2702899129,2cyclictest0-21swapper/312:13:163
2702899129,2cyclictest0-21swapper/310:28:333
2702899120,2cyclictest0-21swapper/311:50:123
2702899120,2cyclictest0-21swapper/307:40:153
2702899120,1cyclictest0-21swapper/307:10:173
2702899120,11cyclictest0-21swapper/311:30:303
2702899120,11cyclictest0-21swapper/310:50:573
2702899120,11cyclictest0-21swapper/309:06:043
2702899120,11cyclictest0-21swapper/309:00:173
2702899120,11cyclictest0-21swapper/307:55:163
2702899120,11cyclictest0-21swapper/307:30:153
2702799120,2cyclictest0-21swapper/211:54:012
2702799120,2cyclictest0-21swapper/207:47:042
2702799120,11cyclictest0-21swapper/210:12:052
2702699129,2cyclictest0-21swapper/112:20:311
2702699129,2cyclictest0-21swapper/111:12:121
2702699129,2cyclictest0-21swapper/111:00:491
2702699129,2cyclictest0-21swapper/110:35:201
2702699129,2cyclictest0-21swapper/109:50:071
2702699122,8cyclictest4908-21apt-config07:35:001
2702699121,9cyclictest16751-21diskstats09:15:131
2702699121,9cyclictest15421-21munin-node1
2702699121,9cyclictest0-21swapper/107:45:141
2702699121,3cyclictest7022-21munin-node1
2702699121,3cyclictest0-21swapper/107:51:011
2702699120,2cyclictest21268-21copy08:15:011
2702699120,2cyclictest21268-21copy08:15:011
2702699120,2cyclictest11137-21diskmemload09:27:131
2702699120,2cyclictest0-21swapper/110:12:031
2702699120,11cyclictest11137-21diskmemload09:35:211
2702699120,11cyclictest0-21swapper/112:15:091
2702699120,11cyclictest0-21swapper/112:05:221
2702699120,11cyclictest0-21swapper/111:41:121
2702699120,11cyclictest0-21swapper/111:07:021
2702699120,11cyclictest0-21swapper/110:45:301
2702699120,11cyclictest0-21swapper/110:30:381
2702699120,11cyclictest0-21swapper/108:35:181
2702599129,2cyclictest25903-21ps12:10:200
2702599129,2cyclictest0-21swapper/012:26:560
2702599129,2cyclictest0-21swapper/012:20:460
2702599129,2cyclictest0-21swapper/009:11:260
2702599129,2cyclictest0-21swapper/008:35:500
2702599128,3cyclictest29069-21copy07:14:590
2702599120,2cyclictest0-21swapper/012:17:470
2702599120,2cyclictest0-21swapper/010:53:070
2702599120,2cyclictest0-21swapper/010:47:370
2702599120,2cyclictest0-21swapper/009:23:370
2702599120,2cyclictest0-21swapper/007:36:390
2702599120,11cyclictest11137-21diskmemload12:03:360
2702599120,11cyclictest0-21swapper/012:06:060
2702599120,11cyclictest0-21swapper/011:10:190
2702599120,11cyclictest0-21swapper/010:35:160
2702599120,11cyclictest0-21swapper/010:25:210
2702599120,11cyclictest0-21swapper/010:13:460
2702599120,11cyclictest0-21swapper/008:45:170
75312110,8sleep10-21swapper/107:40:141
2702899118,2cyclictest676-21copy07:25:033
2702899118,2cyclictest0-21swapper/308:25:153
2702899118,2cyclictest0-21swapper/308:15:153
2702899118,2cyclictest0-21swapper/308:15:143
2702899118,2cyclictest0-21swapper/308:00:513
2702899116,3cyclictest25638-21missed_timers10:30:173
2702799116,3cyclictest17961-21cut08:05:142
2702799110,2cyclictest0-21swapper/209:07:052
2702799110,10cyclictest0-21swapper/212:13:542
2702699119,1cyclictest0-21swapper/109:01:031
2702699117,2cyclictest0-21swapper/108:56:031
2702699111,8cyclictest13394-21munin-node1
2702699111,8cyclictest0-21swapper/109:05:191
2702699111,2cyclictest21-21rcuc/108:50:131
2702699110,9cyclictest29278-21munin-node1
2702699110,9cyclictest0-21swapper/107:36:061
2702699110,3cyclictest0-21swapper/108:11:021
2702699110,2cyclictest23-21ksoftirqd/107:20:121
2702699110,10cyclictest0-21swapper/108:30:301
2702599118,2cyclictest7339-21apt-get09:00:140
2702599118,2cyclictest4383-21sendmail_mailst08:50:590
2702599118,2cyclictest0-21swapper/009:40:260
2702599110,2cyclictest0-21swapper/007:55:130
2702599110,10cyclictest0-21swapper/008:26:050
80322100,1sleep0101ktimersoftd/007:40:160
291492100,2sleep00-21swapper/008:32:530
2702899107,2cyclictest0-21swapper/308:23:463
2702899107,2cyclictest0-21swapper/308:23:463
2702799107,2cyclictest19114-21kworker/u8:208:14:062
2702799100,7cyclictest0-21swapper/208:56:062
2702599107,2cyclictest0-21swapper/007:23:560
2702599104,2cyclictest0-21swapper/008:18:050
2702599104,2cyclictest0-21swapper/008:18:050
270289996,2cyclictest0-21swapper/308:05:173
270289994,3cyclictest31755-21fschecks_count07:20:143
270289993,4cyclictest7405-21kworker/u8:008:40:133
270289993,4cyclictest29314-21cron08:35:003
270289991,6cyclictest0-21swapper/308:46:043
270279996,2cyclictest0-21swapper/207:22:372
270279994,3cyclictest28681-21unixbench_singl07:11:032
270279991,3cyclictest0-21swapper/209:00:152
270259996,2cyclictest0-21swapper/008:20:150
270259996,2cyclictest0-21swapper/008:20:150
270259995,3cyclictest10154-21missed_timers09:05:190
270259990,8cyclictest0-21swapper/007:15:410
270259985,2cyclictest0-21swapper/008:55:120
270259985,2cyclictest0-21swapper/008:11:020
270259985,2cyclictest0-21swapper/007:45:210
270259984,3cyclictest16815-21sed08:01:040
270259984,2cyclictest859-21sh07:25:040
270259981,5cyclictest31833-21grep08:40:140
270259980,6cyclictest0-21swapper/008:06:010
270259980,6cyclictest0-21swapper/007:32:320
270259980,4cyclictest0-21swapper/007:50:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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