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2026-04-24 - 13:11

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 Apr 24, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2071921380,0sleep00-21swapper/000:37:050
310622113101,6sleep00-21swapper/019:06:030
31190210998,6sleep10-21swapper/119:07:401
31080210998,6sleep30-21swapper/319:06:183
31284210897,6sleep20-21swapper/219:08:532
18402760,1sleep30-21swapper/323:10:183
31399992017,2cyclictest6051-21kworker/u8:023:25:042
31399992017,2cyclictest31275-21kworker/u8:120:44:012
31399992017,2cyclictest27109-21kworker/u8:119:32:042
31399992017,2cyclictest20845-21kworker/u8:022:23:052
31399992017,2cyclictest18136-21kworker/u8:020:33:042
3139999200,2cyclictest0-21swapper/200:25:122
31398992017,2cyclictest2952-21kworker/u8:219:37:041
31400991916,2cyclictest18136-21kworker/u8:020:05:043
31399991916,2cyclictest9425-21kworker/u8:221:49:052
31399991916,2cyclictest8482-21kworker/u8:021:02:012
31399991916,2cyclictest7612-21kworker/u8:122:43:042
31399991916,2cyclictest7109-21kworker/u8:200:35:052
31399991916,2cyclictest3199-21kworker/u8:022:08:042
31399991916,2cyclictest31275-21kworker/u8:120:37:042
31399991916,2cyclictest30701-21kworker/u8:223:18:062
31399991916,2cyclictest27483-21kworker/u8:223:39:052
31399991916,2cyclictest27109-21kworker/u8:119:35:032
31399991916,2cyclictest27109-21kworker/u8:119:29:042
31399991916,2cyclictest21634-21kworker/u8:123:42:052
31399991916,2cyclictest18136-21kworker/u8:020:15:042
31399991916,2cyclictest18136-21kworker/u8:019:58:042
31399991916,2cyclictest15539-21kworker/u8:222:45:052
31399991916,2cyclictest15539-21kworker/u8:222:18:042
31399991916,2cyclictest15277-21kworker/u8:121:27:052
31399991916,2cyclictest15277-21kworker/u8:121:27:052
31398991916,2cyclictest26284-21kworker/u8:220:23:041
31398991916,2cyclictest26284-21kworker/u8:220:19:031
31400991815,2cyclictest15277-21kworker/u8:121:45:043
31400991815,2cyclictest10626-21kworker/u8:100:03:043
31399991815,2cyclictest8482-21kworker/u8:021:17:042
31399991815,2cyclictest31468-21kworker/u8:000:22:052
31399991815,2cyclictest31468-21kworker/u8:000:17:042
31399991815,2cyclictest31275-21kworker/u8:120:57:052
31399991815,2cyclictest30701-21kworker/u8:223:30:052
31399991815,2cyclictest2952-21kworker/u8:220:08:012
31399991815,2cyclictest24947-21kworker/u8:221:22:042
31399991815,2cyclictest2416-21kworker/u8:023:52:012
31399991815,2cyclictest18136-21kworker/u8:020:01:032
31399991815,2cyclictest15539-21kworker/u8:222:33:042
31399991815,2cyclictest15277-21kworker/u8:121:44:042
31399991815,2cyclictest12656-21kworker/u8:022:53:052
31399991815,2cyclictest10626-21kworker/u8:100:10:062
31398991815,2cyclictest3199-21kworker/u8:022:07:051
164952180,1sleep1221ktimersoftd/122:51:311
6412170,1sleep0101ktimersoftd/022:35:190
31400991714,2cyclictest3509-21kworker/u8:021:34:063
3140099171,3cyclictest25131-21munin-node3
3140099170,2cyclictest0-21swapper/320:23:043
31399991714,2cyclictest8482-21kworker/u8:021:08:042
31399991714,2cyclictest8482-21kworker/u8:020:54:032
31399991714,2cyclictest6051-21kworker/u8:023:20:022
31399991714,2cyclictest3199-21kworker/u8:022:14:042
31399991714,2cyclictest15277-21kworker/u8:122:00:032
31398991714,2cyclictest8482-21kworker/u8:021:16:031
31398991714,2cyclictest8482-21kworker/u8:021:11:051
3139799170,3cyclictest0-21swapper/022:35:000
31400991612,3cyclictest2952-21kworker/u8:219:36:003
31400991612,2cyclictest13244-21df_inode22:15:163
3140099160,2cyclictest0-21swapper/322:07:053
31399991613,2cyclictest3509-21kworker/u8:021:32:062
31399991613,2cyclictest30701-21kworker/u8:223:07:052
31399991613,2cyclictest21634-21kworker/u8:123:45:052
31398991613,2cyclictest2416-21kworker/u8:023:52:051
3139799162,12cyclictest11-21rcuc/023:12:140
3139799161,13cyclictest9-21ksoftirqd/022:55:240
3139799161,13cyclictest14807-21diskmemload21:10:130
3140099151,3cyclictest26600-21ssh23:35:463
3140099151,2cyclictest0-21swapper/321:11:053
31400991512,2cyclictest0-21swapper/323:24:263
31400991512,2cyclictest0-21swapper/321:51:063
31400991510,3cyclictest20353-21ssh23:30:063
3140099150,13cyclictest20530-21grep21:15:153
3140099150,13cyclictest0-21swapper/323:50:183
3139999150,13cyclictest0-21swapper/221:50:142
31398991512,2cyclictest8482-21kworker/u8:020:55:041
31398991510,3cyclictest17509-21perl00:00:151
3139799152,11cyclictest11-21rcuc/021:49:510
3139799151,3cyclictest0-21swapper/021:57:570
31397991512,2cyclictest101ktimersoftd/022:45:100
31397991512,2cyclictest0-21swapper/023:42:130
31397991510,3cyclictest32688-21seq23:09:180
3139799150,13cyclictest101ktimersoftd/023:15:430
3139799150,13cyclictest0-21swapper/023:35:120
3139799150,13cyclictest0-21swapper/021:35:140
3139799150,13cyclictest0-21swapper/020:56:040
3139799150,13cyclictest0-21swapper/020:05:170
31400991411,2cyclictest31468-21kworker/u8:000:18:023
31400991411,2cyclictest12402-21kworker/u8:000:31:043
31400991411,2cyclictest0-21swapper/323:04:153
31400991411,2cyclictest0-21swapper/322:31:263
3140099141,11cyclictest0-21swapper/321:24:073
31400991410,3cyclictest6749-21ssh00:22:253
31400991410,2cyclictest7699-21ssh22:42:483
3140099140,3cyclictest0-21swapper/322:20:143
3140099140,13cyclictest0-21swapper/323:44:363
3140099140,13cyclictest0-21swapper/321:55:163
31399991411,2cyclictest27109-21kworker/u8:119:14:042
31399991411,2cyclictest0-21swapper/221:12:202
31399991410,2cyclictest0-21swapper/222:35:132
3139999140,2cyclictest0-21swapper/200:05:402
3139999140,12cyclictest4578-21sh23:13:192
3139899149,4cyclictest0-21swapper/122:26:301
3139899140,2cyclictest4921-21munin-node1
3139899140,2cyclictest0-21swapper/123:47:381
3139899140,13cyclictest0-21swapper/119:20:591
3139899140,13cyclictest0-21swapper/100:11:391
3139899140,12cyclictest5004-21aten2.4_r3power20:45:121
3139899140,12cyclictest0-21swapper/123:17:371
3139799149,3cyclictest27183-21taskset21:21:440
3139799149,3cyclictest0-21swapper/020:46:020
31397991410,2cyclictest0-21swapper/022:19:240
3139799140,13cyclictest11-21rcuc/023:03:140
3139799140,12cyclictest0-21swapper/022:05:010
3139799140,12cyclictest0-21swapper/000:32:170
230052140,2sleep10-21swapper/121:51:081
151222140,3sleep315136-21ssh21:43:533
31400991310,2cyclictest21737-21apt-get00:05:113
31400991310,2cyclictest12862-21ssh00:29:273
31400991310,2cyclictest0-21swapper/322:57:193
31400991310,2cyclictest0-21swapper/322:01:023
3140099130,2cyclictest0-21swapper/321:35:123
3140099130,2cyclictest0-21swapper/319:40:133
3140099130,12cyclictest0-21swapper/323:25:173
3140099130,12cyclictest0-21swapper/323:15:113
3140099130,12cyclictest0-21swapper/323:06:043
3140099130,12cyclictest0-21swapper/322:50:593
3140099130,12cyclictest0-21swapper/322:29:573
3140099130,12cyclictest0-21swapper/320:45:183
3140099130,12cyclictest0-21swapper/320:30:173
3140099130,12cyclictest0-21swapper/300:36:063
3140099130,12cyclictest0-21swapper/300:10:383
31399991310,2cyclictest2952-21kworker/u8:219:21:042
31399991310,2cyclictest0-21swapper/221:55:152
31399991310,2cyclictest0-21swapper/219:40:162
31399991310,2cyclictest0-21swapper/200:01:342
3139999130,3cyclictest9022-21ssh21:36:502
3139999130,2cyclictest16199-21sh00:32:322
3139999130,2cyclictest0-21swapper/222:26:302
3139999130,2cyclictest0-21swapper/219:45:112
3139999130,12cyclictest0-21swapper/223:55:332
3139999130,12cyclictest0-21swapper/222:55:052
3139899139,3cyclictest22811-21cut00:05:191
31398991310,2cyclictest14807-21diskmemload22:45:311
31398991310,2cyclictest0-21swapper/122:35:161
31398991310,2cyclictest0-21swapper/121:40:201
3139899130,2cyclictest14807-21diskmemload22:55:061
3139899130,2cyclictest0-21swapper/123:35:171
3139899130,2cyclictest0-21swapper/123:27:521
3139899130,2cyclictest0-21swapper/123:06:181
3139899130,2cyclictest0-21swapper/122:20:121
3139899130,2cyclictest0-21swapper/121:45:141
3139899130,2cyclictest0-21swapper/121:35:511
3139899130,2cyclictest0-21swapper/121:30:171
3139899130,2cyclictest0-21swapper/120:26:031
3139899130,12cyclictest0-21swapper/123:42:351
3139899130,12cyclictest0-21swapper/123:10:131
3139899130,12cyclictest0-21swapper/122:15:211
3139899130,12cyclictest0-21swapper/122:11:081
3139899130,12cyclictest0-21swapper/121:27:391
3139899130,12cyclictest0-21swapper/121:27:391
3139899130,12cyclictest0-21swapper/100:18:081
3139899130,11cyclictest0-21swapper/120:10:511
3139799138,3cyclictest0-21swapper/019:11:010
3139799131,11cyclictest0-21swapper/023:26:250
31397991310,2cyclictest0-21swapper/023:59:550
31397991310,2cyclictest0-21swapper/023:53:140
31397991310,2cyclictest0-21swapper/023:32:440
31397991310,2cyclictest0-21swapper/021:53:330
31397991310,2cyclictest0-21swapper/019:50:100
31397991310,2cyclictest0-21swapper/000:07:140
31397991310,2cyclictest0-21swapper/000:00:200
3139799130,2cyclictest0-21swapper/022:44:440
3139799130,2cyclictest0-21swapper/021:40:120
3139799130,2cyclictest0-21swapper/020:30:040
3139799130,2cyclictest0-21swapper/019:25:130
3139799130,12cyclictest0-21swapper/022:08:240
3139799130,12cyclictest0-21swapper/000:28:150
3139799130,11cyclictest14807-21diskmemload22:29:510
4992120,2sleep30-21swapper/321:28:183
4992120,2sleep30-21swapper/321:28:173
3140099129,2cyclictest31275-21kworker/u8:120:51:053
3140099129,2cyclictest0-21swapper/322:12:043
3140099120,2cyclictest0-21swapper/323:45:283
3140099120,2cyclictest0-21swapper/322:37:213
3140099120,11cyclictest0-21swapper/323:55:383
3140099120,11cyclictest0-21swapper/320:25:153
3139999129,2cyclictest0-21swapper/220:20:122
3139999120,11cyclictest0-21swapper/223:01:032
3139899129,2cyclictest0-21swapper/123:55:151
3139899129,2cyclictest0-21swapper/122:02:001
3139899129,2cyclictest0-21swapper/120:40:111
3139899129,2cyclictest0-21swapper/120:30:071
3139899129,2cyclictest0-21swapper/119:40:181
3139899129,2cyclictest0-21swapper/100:35:531
3139899120,2cyclictest14807-21diskmemload23:31:431
3139899120,2cyclictest14807-21diskmemload22:42:291
3139899120,2cyclictest0-21swapper/123:02:421
3139899120,2cyclictest0-21swapper/121:55:431
3139899120,2cyclictest0-21swapper/120:05:041
3139899120,2cyclictest0-21swapper/120:00:391
3139899120,1cyclictest0-21swapper/121:20:091
3139899120,11cyclictest0-21swapper/123:20:011
3139899120,11cyclictest0-21swapper/122:33:281
3139899120,11cyclictest0-21swapper/100:30:371
3139899120,11cyclictest0-21swapper/100:25:521
3139799129,2cyclictest0-21swapper/022:20:080
3139799129,2cyclictest0-21swapper/021:25:060
3139799129,2cyclictest0-21swapper/021:25:050
3139799129,2cyclictest0-21swapper/021:05:150
3139799129,2cyclictest0-21swapper/020:50:140
3139799129,2cyclictest0-21swapper/020:10:510
3139799129,2cyclictest0-21swapper/000:10:180
3139799128,2cyclictest0-21swapper/000:20:170
3139799122,7cyclictest0-21swapper/019:49:020
3139799120,2cyclictest0-21swapper/021:16:130
3139799120,1cyclictest0-21swapper/021:31:540
3139799120,11cyclictest0-21swapper/023:46:290
3139799120,11cyclictest0-21swapper/022:51:240
3139799120,11cyclictest0-21swapper/022:11:400
3139799120,10cyclictest0-21swapper/023:20:430
3140099118,2cyclictest27109-21kworker/u8:119:10:033
3140099118,2cyclictest15203-21kworker/u8:119:54:043
3140099118,2cyclictest0-21swapper/322:46:443
3139999118,2cyclictest0-21swapper/220:45:162
3139999118,2cyclictest0-21swapper/220:10:132
3139999110,8cyclictest0-21swapper/219:53:592
3139899118,2cyclictest0-21swapper/119:10:181
3139899110,1cyclictest0-21swapper/119:26:021
3139799118,2cyclictest0-21swapper/019:36:040
3139799112,5cyclictest0-21swapper/020:26:010
3139799111,9cyclictest0-21swapper/019:15:240
3139799111,1cyclictest0-21swapper/000:15:060
17802110,2sleep00-21swapper/020:35:290
110122110,2sleep30-21swapper/321:00:113
3140099107,2cyclictest18136-21kworker/u8:020:13:043
3140099107,2cyclictest0-21swapper/319:45:143
3140099107,2cyclictest0-21swapper/319:30:113
3140099104,4cyclictest10784-21munin-run21:00:003
3140099100,9cyclictest0-21swapper/320:36:203
3139999105,3cyclictest29701-21grep20:25:142
3139899107,2cyclictest0-21swapper/120:35:001
3139899101,7cyclictest7373-21df_inode20:50:121
3139899100,8cyclictest13019-21apt-get21:05:111
3139899100,8cyclictest0-21swapper/119:45:141
3139899100,2cyclictest0-21swapper/121:01:011
3139799105,3cyclictest4535-21ls19:21:000
3139799102,7cyclictest0-21swapper/020:42:010
3139799102,6cyclictest0-21swapper/021:01:010
3139799101,7cyclictest0-21swapper/020:19:590
3139799100,2cyclictest0-21swapper/019:56:240
314009996,2cyclictest27109-21kworker/u8:119:20:043
314009996,2cyclictest27109-21kworker/u8:119:15:043
314009995,2cyclictest19675-21tr20:00:133
314009994,3cyclictest5831-21fschecks_count19:25:143
314009994,3cyclictest3728-21runrttasks20:42:123
314009993,3cyclictest13051-21telnet21:05:123
313989996,2cyclictest0-21swapper/119:55:131
313989990,8cyclictest0-21swapper/119:16:011
313989990,2cyclictest0-21swapper/119:50:121
313989990,2cyclictest0-21swapper/119:30:101
313979996,2cyclictest0-21swapper/019:40:170
313979995,3cyclictest7716-21tr19:30:120
313979994,3cyclictest27311-21cut20:20:130
313979990,7cyclictest0-21swapper/020:01:000
314009983,3cyclictest17100-21aten2.4_r3power19:55:123
313999984,2cyclictest1691-21fschecks_time19:15:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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