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2026-09-22 - 13:54

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 Tue Sep 22, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31823212198,17sleep30-21swapper/307:06:593
31887211897,16sleep00-21swapper/007:07:480
31837211795,16sleep20-21swapper/207:07:102
31918211595,14sleep10-21swapper/107:08:131
288752680,0sleep20-21swapper/210:31:312
134762650,0sleep20-21swapper/212:34:572
32087993328,3cyclictest21356-21sendmail-mta11:34:043
3208699330,31cyclictest0-21swapper/207:15:132
32086993023,5cyclictest27719-21sed09:21:052
32084992926,2cyclictest9900-21kworker/u8:211:21:040
32084992926,2cyclictest4342-21kworker/u8:109:31:040
32087992824,2cyclictest20863-21kworker/u8:110:03:043
32084992825,2cyclictest4136-21kworker/u8:209:41:040
32084992724,2cyclictest5931-21kworker/u8:112:33:050
32084992724,2cyclictest30391-21kworker/u8:011:41:050
32084992724,2cyclictest24158-21kworker/u8:210:37:050
32084992623,2cyclictest24158-21kworker/u8:210:42:050
32084992623,2cyclictest22797-21kworker/u8:009:18:040
32084992522,2cyclictest3015-21kworker/u8:011:00:050
32087992421,2cyclictest24158-21kworker/u8:210:44:053
32084992421,2cyclictest16446-21kworker/u8:212:14:010
32084992320,2cyclictest3015-21kworker/u8:010:48:040
32084992320,2cyclictest24994-21kworker/u8:311:08:040
32084992320,2cyclictest16446-21kworker/u8:212:08:020
32084992319,2cyclictest9614-21sensors_temp10:11:050
3208499230,21cyclictest0-21swapper/007:25:120
32084992219,2cyclictest29456-21kworker/u8:110:33:040
32084992219,2cyclictest16446-21kworker/u8:212:20:050
32084992218,2cyclictest21681-21kworker/u8:111:48:040
3208499221,19cyclictest0-21swapper/010:55:100
3208499220,17cyclictest0-21swapper/012:38:040
3208799210,19cyclictest0-21swapper/309:30:153
32084992118,2cyclictest15538-21kworker/u8:009:50:050
32084992118,2cyclictest15277-21kworker/u8:010:28:050
32084992118,2cyclictest15277-21kworker/u8:010:18:050
32084992117,2cyclictest0-21swapper/008:40:120
3208499211,2cyclictest0-21swapper/008:25:110
32086992017,2cyclictest0-21swapper/208:40:122
32084992017,2cyclictest22797-21kworker/u8:009:27:040
32084992017,2cyclictest20863-21kworker/u8:109:59:040
3208599190,17cyclictest0-21swapper/108:55:131
32084991916,2cyclictest30391-21kworker/u8:011:36:040
32084991916,2cyclictest15277-21kworker/u8:010:23:040
3208499190,2cyclictest0-21swapper/010:53:050
3208499190,2cyclictest0-21swapper/010:05:040
3208499190,2cyclictest0-21swapper/008:13:530
3208499190,2cyclictest0-21swapper/008:13:520
206362190,0sleep10-21swapper/111:32:101
32084991815,2cyclictest22797-21kworker/u8:009:24:040
213172180,0sleep10-21swapper/109:15:141
3208599170,2cyclictest0-21swapper/112:30:111
32084991714,2cyclictest32528-21kworker/u8:008:37:050
32084991714,2cyclictest26475-21kworker/u8:108:22:050
3208499170,2cyclictest0-21swapper/012:19:040
3208499170,2cyclictest0-21swapper/011:10:040
3208799161,13cyclictest26802-21diskstats08:15:153
3208599161,13cyclictest0-21swapper/110:40:101
32084991613,2cyclictest29817-21kworker/u8:107:14:050
32084991613,2cyclictest17980-21kworker/u8:207:55:040
3208499160,11cyclictest0-21swapper/012:25:040
300732160,1sleep30-21swapper/311:42:233
32087991511,2cyclictest0-21swapper/310:26:403
3208799151,12cyclictest0-21swapper/310:10:183
32087991510,3cyclictest29392-21ssh11:06:383
32087991510,3cyclictest2925-21ssh12:23:063
3208799150,13cyclictest15725-21ssh11:26:493
3208799150,13cyclictest0-21swapper/311:10:163
3208799150,13cyclictest0-21swapper/310:08:443
3208799150,13cyclictest0-21swapper/309:10:153
3208699150,13cyclictest0-21swapper/211:55:322
3208699150,13cyclictest0-21swapper/210:14:192
3208699150,13cyclictest0-21swapper/207:25:112
3208599151,12cyclictest3728-21runrttasks10:28:051
3208599151,12cyclictest0-21swapper/111:40:171
3208599150,13cyclictest0-21swapper/109:45:171
32084991512,2cyclictest9145-21kworker/u8:007:36:050
32084991512,2cyclictest4136-21kworker/u8:209:03:040
3208499151,12cyclictest10205-21ssh09:37:200
3208499150,2cyclictest0-21swapper/011:32:040
3208499150,2cyclictest0-21swapper/011:26:040
3208799141,2cyclictest17630-21iostat_ios09:45:193
32087991411,2cyclictest0-21swapper/310:46:453
3208799140,12cyclictest16095-21diskmemload09:17:383
3208799140,12cyclictest0-21swapper/312:10:123
3208799140,12cyclictest0-21swapper/311:35:123
32086991411,2cyclictest0-21swapper/212:00:492
32086991410,2cyclictest0-21swapper/212:10:132
32086991410,2cyclictest0-21swapper/211:50:192
3208699140,2cyclictest0-21swapper/212:15:202
3208699140,2cyclictest0-21swapper/210:43:582
3208699140,2cyclictest0-21swapper/209:54:182
3208699140,2cyclictest0-21swapper/207:48:042
3208699140,13cyclictest0-21swapper/211:46:292
3208699140,12cyclictest2966-21ssh11:13:532
3208699140,12cyclictest23294-21ntp_states08:05:192
3208699140,12cyclictest15580-21sendmail-mta09:45:172
3208699140,12cyclictest0-21swapper/209:55:532
3208699140,12cyclictest0-21swapper/208:30:142
3208699140,12cyclictest0-21swapper/207:35:162
3208599149,3cyclictest2939-21cut07:15:511
3208599142,7cyclictest0-21swapper/110:15:011
3208599142,6cyclictest0-21swapper/110:25:001
3208599141,2cyclictest23984-21python11:01:021
3208599141,2cyclictest0-21swapper/111:10:281
3208599140,12cyclictest0-21swapper/109:55:011
3208499141,3cyclictest0-21swapper/007:40:140
32084991411,2cyclictest4136-21kworker/u8:209:06:040
32084991411,2cyclictest26475-21kworker/u8:108:32:040
32084991411,2cyclictest17980-21kworker/u8:208:03:050
32084991410,2cyclictest2635-21sendmail-mta11:15:450
3208499140,9cyclictest0-21swapper/007:46:040
3208499140,2cyclictest0-21swapper/012:02:040
3208499140,12cyclictest8362-21ssh11:54:190
3208799139,2cyclictest0-21swapper/309:55:193
3208799132,6cyclictest0-21swapper/308:52:583
32087991310,2cyclictest29354-21ssh10:32:173
32087991310,2cyclictest0-21swapper/312:05:563
32087991310,2cyclictest0-21swapper/311:58:533
32087991310,2cyclictest0-21swapper/311:45:173
32087991310,2cyclictest0-21swapper/311:20:583
32087991310,2cyclictest0-21swapper/311:15:063
32087991310,2cyclictest0-21swapper/310:15:173
32087991310,2cyclictest0-21swapper/309:50:053
32087991310,2cyclictest0-21swapper/309:35:243
32087991310,2cyclictest0-21swapper/307:26:023
3208799130,2cyclictest0-21swapper/312:36:173
3208799130,2cyclictest0-21swapper/312:30:363
3208799130,2cyclictest0-21swapper/312:16:293
3208799130,2cyclictest0-21swapper/308:46:033
3208799130,12cyclictest2000-21ssh10:37:573
3208799130,12cyclictest0-21swapper/312:04:593
3208699138,3cyclictest8918-21ssh10:45:152
3208699133,6cyclictest0-21swapper/208:16:012
32086991310,2cyclictest0-21swapper/212:26:592
32086991310,2cyclictest0-21swapper/211:16:492
32086991310,2cyclictest0-21swapper/210:06:582
32086991310,2cyclictest0-21swapper/209:41:082
32086991310,2cyclictest0-21swapper/208:46:032
3208699130,2cyclictest16347-21apt-get07:50:112
3208699130,2cyclictest0-21swapper/211:30:392
3208699130,2cyclictest0-21swapper/210:55:182
3208699130,2cyclictest0-21swapper/210:28:042
3208699130,12cyclictest0-21swapper/210:18:472
3208699130,12cyclictest0-21swapper/210:00:112
3208699130,12cyclictest0-21swapper/209:27:582
3208699130,12cyclictest0-21swapper/209:15:122
3208599139,2cyclictest16095-21diskmemload12:20:161
3208599138,3cyclictest0-21swapper/111:18:541
3208599134,7cyclictest24829-21sendmail-mta09:54:021
3208599132,7cyclictest0-21swapper/107:30:011
3208599131,2cyclictest11026-21ssh11:56:061
3208599131,2cyclictest0-21swapper/108:40:191
3208599131,10cyclictest0-21swapper/110:31:051
32085991310,2cyclictest0-21swapper/111:50:191
32085991310,2cyclictest0-21swapper/109:40:001
32085991310,2cyclictest0-21swapper/109:30:401
32085991310,2cyclictest0-21swapper/108:21:011
3208599130,2cyclictest0-21swapper/112:00:131
3208599130,2cyclictest0-21swapper/110:46:581
3208599130,2cyclictest0-21swapper/109:35:511
3208599130,2cyclictest0-21swapper/109:28:441
3208599130,2cyclictest0-21swapper/107:30:111
3208599130,12cyclictest0-21swapper/111:45:381
3208599130,12cyclictest0-21swapper/110:55:111
3208599130,12cyclictest0-21swapper/110:00:121
3208599130,12cyclictest0-21swapper/109:24:211
3208499138,3cyclictest10078-21grep07:35:000
3208499131,2cyclictest22150irq/25-ahci[00009:14:340
201242130,2sleep10-21swapper/109:14:001
185142130,2sleep10-21swapper/112:05:151
3208799129,2cyclictest1792-21apt-get08:35:053
3208799129,2cyclictest0-21swapper/311:00:173
3208799129,2cyclictest0-21swapper/309:42:033
3208799129,2cyclictest0-21swapper/309:20:393
3208799129,2cyclictest0-21swapper/307:45:153
3208799129,2cyclictest0-21swapper/307:15:143
3208799122,7cyclictest0-21swapper/307:40:013
3208799122,7cyclictest0-21swapper/307:38:593
3208799122,7cyclictest0-21swapper/307:34:013
3208799120,2cyclictest0-21swapper/308:06:033
3208799120,11cyclictest0-21swapper/312:25:473
3208799120,11cyclictest0-21swapper/311:53:093
3208799120,11cyclictest0-21swapper/310:55:483
3208799120,11cyclictest0-21swapper/310:51:123
3208799120,11cyclictest0-21swapper/310:20:183
3208799120,11cyclictest0-21swapper/309:27:273
3208699129,2cyclictest24200-21ssh11:35:582
3208699129,2cyclictest0-21swapper/212:20:162
3208699129,2cyclictest0-21swapper/211:02:302
3208699129,2cyclictest0-21swapper/210:52:082
3208699129,2cyclictest0-21swapper/209:35:082
3208699129,2cyclictest0-21swapper/209:11:022
3208699122,7cyclictest0-21swapper/208:14:022
3208699122,7cyclictest0-21swapper/208:14:012
3208699122,7cyclictest0-21swapper/207:59:582
3208699122,7cyclictest0-21swapper/207:42:582
3208699122,7cyclictest0-21swapper/207:21:022
3208699120,2cyclictest21437-21ssh10:24:292
3208699120,2cyclictest0-21swapper/211:05:032
3208699120,2cyclictest0-21swapper/210:35:222
3208699120,2cyclictest0-21swapper/209:30:322
3208699120,11cyclictest0-21swapper/212:05:222
3208699120,11cyclictest0-21swapper/211:40:162
3208699120,11cyclictest0-21swapper/209:00:162
3208599129,2cyclictest0-21swapper/112:25:071
3208599129,2cyclictest0-21swapper/111:35:581
3208599129,2cyclictest0-21swapper/110:50:221
3208599129,2cyclictest0-21swapper/110:36:221
3208599129,2cyclictest0-21swapper/108:30:201
3208599129,2cyclictest0-21swapper/107:11:021
3208599127,3cyclictest15724-21users12:36:031
3208599127,3cyclictest0-21swapper/108:05:131
3208599122,7cyclictest0-21swapper/108:50:011
3208599121,9cyclictest4300-21expr07:20:121
3208599121,9cyclictest15810-21apt-get07:48:011
3208599121,9cyclictest12818-21perl09:00:151
3208599121,9cyclictest0-21swapper/107:40:161
3208599121,3cyclictest24399-21munin-node1
3208599121,3cyclictest24399-21munin-node1
3208599121,3cyclictest0-21swapper/108:20:001
3208599120,2cyclictest0-21swapper/112:15:451
3208599120,2cyclictest0-21swapper/111:20:211
3208599120,2cyclictest0-21swapper/108:00:011
3208599120,2cyclictest0-21swapper/107:50:001
3208599120,11cyclictest0-21swapper/112:10:411
3208599120,11cyclictest0-21swapper/111:05:111
3208599120,11cyclictest0-21swapper/110:15:261
3208599120,11cyclictest0-21swapper/110:05:201
3208599120,11cyclictest0-21swapper/108:35:191
3208499129,2cyclictest32528-21kworker/u8:008:45:050
3208499120,2cyclictest0-21swapper/010:00:050
3208499120,2cyclictest0-21swapper/007:54:050
3208499120,2cyclictest0-21swapper/007:15:160
3208499120,11cyclictest0-21swapper/008:50:200
138972121,7sleep213309-21munin-node2
3208799118,2cyclictest0-21swapper/308:55:143
3208799118,2cyclictest0-21swapper/308:40:173
3208799118,2cyclictest0-21swapper/308:20:163
3208799118,2cyclictest0-21swapper/308:00:163
3208799112,6cyclictest0-21swapper/309:01:023
3208799112,6cyclictest0-21swapper/307:51:583
3208799110,2cyclictest0-21swapper/307:13:483
3208799110,10cyclictest0-21swapper/308:13:483
3208799110,10cyclictest0-21swapper/308:13:473
3208699118,2cyclictest0-21swapper/212:37:222
3208699118,2cyclictest0-21swapper/211:20:212
3208699118,2cyclictest0-21swapper/208:55:152
3208699118,2cyclictest0-21swapper/207:10:162
3208699111,7cyclictest3242-21smartctl08:36:012
3208599116,3cyclictest18357-21munin-node1
3208599111,8cyclictest0-21swapper/111:25:121
3208599110,9cyclictest0-21swapper/108:25:391
3208599110,2cyclictest0-21swapper/109:05:101
3208599110,10cyclictest0-21swapper/108:54:101
3208499118,2cyclictest4136-21kworker/u8:208:56:040
3208499118,2cyclictest0-21swapper/011:55:150
3208499116,3cyclictest0-21swapper/008:20:000
3208499110,9cyclictest5851-21turbostat07:25:000
3208499110,2cyclictest0-21swapper/009:45:040
3208799107,2cyclictest0-21swapper/308:34:383
3208799100,9cyclictest0-21swapper/309:05:223
3208699100,9cyclictest0-21swapper/208:00:122
3208699100,2cyclictest0-21swapper/209:05:102
3208699100,2cyclictest0-21swapper/208:23:342
3208599101,6cyclictest0-21swapper/107:35:011
3208499101,2cyclictest22396-21apt-get08:05:130
320879994,3cyclictest2850-21rsyslogd08:26:023
320879990,8cyclictest0-21swapper/307:23:563
320869992,6cyclictest0-21swapper/207:31:002
320869991,6cyclictest0-21swapper/208:28:012
320879980,7cyclictest0-21swapper/307:55:263
320869985,2cyclictest0-21swapper/208:50:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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