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2026-03-31 - 12:45

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 Mar 31, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2875212199,16sleep30-21swapper/319:06:143
3017211793,19sleep20-21swapper/219:07:542
3006211796,15sleep10-21swapper/119:07:451
3155210480,18sleep00-21swapper/019:09:320
198342810,0sleep20-21swapper/223:25:002
322299416,33cyclictest0-21swapper/019:45:120
64592280,0sleep00-21swapper/022:36:230
261952170,0sleep10-21swapper/100:38:191
100872170,0sleep30-21swapper/320:45:173
322599161,3cyclictest8619-21ssh23:45:533
322599161,3cyclictest3823-21apt-get22:35:063
201672160,0sleep10-21swapper/122:50:521
80802150,0sleep30-21swapper/323:11:433
322599151,3cyclictest1179-21ssh00:11:433
322599151,3cyclictest1116-21ssh23:38:553
3225991512,2cyclictest25189-21kworker/u8:221:51:043
3225991512,2cyclictest21954-21kworker/u8:321:24:043
3225991512,2cyclictest14718-21kworker/u8:023:34:043
3225991512,2cyclictest0-21swapper/319:45:163
322599151,12cyclictest26397-21rm00:38:363
3225991510,3cyclictest32717-21hddtemp_smartct22:30:153
3225991510,3cyclictest16954-21ssh22:14:253
322599150,3cyclictest28158-21wc00:06:063
322599150,3cyclictest24522-21ssh21:48:343
322599150,13cyclictest18240-21runrttasks22:49:473
3224991510,3cyclictest0-21swapper/222:50:132
3224991510,3cyclictest0-21swapper/200:10:122
322499150,13cyclictest25904-21fschecks_time20:05:152
3223991512,2cyclictest207150irq/24-eth123:03:351
3223991511,2cyclictest0-21swapper/120:40:151
3222991512,2cyclictest0-21swapper/023:34:500
322299151,12cyclictest0-21swapper/019:10:160
3222991510,3cyclictest4927-21apt-get20:35:070
322299150,13cyclictest19598-21rm23:24:400
322599141,2cyclictest3651-21munin-node3
3225991411,2cyclictest6536-21kworker/u8:022:56:013
3225991411,2cyclictest0-21swapper/323:50:593
3225991411,2cyclictest0-21swapper/321:27:093
322599140,2cyclictest0-21swapper/323:01:293
322599140,2cyclictest0-21swapper/321:14:093
322599140,13cyclictest9420-21ssh22:05:493
322599140,13cyclictest0-21swapper/323:09:073
322599140,13cyclictest0-21swapper/322:50:193
322599140,13cyclictest0-21swapper/322:16:493
322599140,13cyclictest0-21swapper/321:58:493
322599140,12cyclictest0-21swapper/323:16:453
322599140,12cyclictest0-21swapper/321:31:453
322599140,12cyclictest0-21swapper/300:01:393
322499141,3cyclictest0-21swapper/222:43:122
322499140,12cyclictest16909-21latency21:40:172
322499140,12cyclictest13157-21ssh23:50:302
322499140,12cyclictest0-21swapper/223:40:202
322499140,12cyclictest0-21swapper/219:35:112
322399144,2cyclictest203622gzip19:51:001
3223991411,2cyclictest6546-21kworker/u8:121:58:041
3223991411,2cyclictest0-21swapper/121:11:551
3223991411,2cyclictest0-21swapper/100:30:351
3223991411,2cyclictest0-21swapper/100:10:551
3223991410,2cyclictest12495-21apt-get22:10:061
322399140,2cyclictest0-21swapper/123:23:151
322399140,2cyclictest0-21swapper/121:36:251
322399140,2cyclictest0-21swapper/100:01:451
322399140,13cyclictest0-21swapper/122:31:151
322399140,13cyclictest0-21swapper/100:06:151
322399140,12cyclictest0-21swapper/123:25:061
322399140,12cyclictest0-21swapper/123:17:061
322399140,12cyclictest0-21swapper/122:21:071
322399140,12cyclictest0-21swapper/120:20:391
322299149,3cyclictest26460-21ssh22:24:100
322299141,3cyclictest18787-21ssh22:15:230
3222991411,2cyclictest0-21swapper/021:50:590
3222991410,2cyclictest0-21swapper/023:51:020
3222991410,2cyclictest0-21swapper/021:36:200
322299140,2cyclictest0-21swapper/022:02:090
322299140,13cyclictest0-21swapper/022:40:190
322299140,13cyclictest0-21swapper/000:00:100
322299140,12cyclictest15445-21ssh00:26:110
322299140,12cyclictest15124-21ssh22:45:320
322299140,12cyclictest0-21swapper/021:22:000
97812130,1sleep00-21swapper/021:33:120
36162130,2sleep03628-21ssh21:26:190
3225991310,2cyclictest0-21swapper/323:23:023
3225991310,2cyclictest0-21swapper/322:26:383
3225991310,2cyclictest0-21swapper/321:35:323
3225991310,2cyclictest0-21swapper/321:15:143
322599130,2cyclictest0-21swapper/321:40:183
322599130,2cyclictest0-21swapper/320:25:513
322599130,2cyclictest0-21swapper/300:20:123
322599130,12cyclictest16756-21ssh23:55:113
322599130,12cyclictest0-21swapper/323:42:313
322599130,12cyclictest0-21swapper/323:25:123
322599130,12cyclictest0-21swapper/322:40:123
322599130,12cyclictest0-21swapper/322:20:423
322599130,12cyclictest0-21swapper/322:00:183
322599130,12cyclictest0-21swapper/320:50:183
322599130,12cyclictest0-21swapper/320:10:123
322599130,12cyclictest0-21swapper/319:25:183
322599130,12cyclictest0-21swapper/319:20:173
322599130,12cyclictest0-21swapper/300:30:273
322599130,11cyclictest0-21swapper/319:51:563
322599130,11cyclictest0-21swapper/300:25:033
322499131,3cyclictest31187-21ssh21:21:192
322499131,3cyclictest0-21swapper/221:30:282
322499131,3cyclictest0-21swapper/200:19:492
322499131,2cyclictest18337-21ssh22:49:552
322499131,10cyclictest1639-21ssh23:39:432
3224991310,2cyclictest0-21swapper/223:29:072
3224991310,2cyclictest0-21swapper/222:10:152
322499130,11cyclictest19104-21pzem22:16:012
3223991310,2cyclictest0-21swapper/122:40:271
3223991310,2cyclictest0-21swapper/122:36:461
3223991310,2cyclictest0-21swapper/122:15:181
3223991310,2cyclictest0-21swapper/122:08:071
3223991310,2cyclictest0-21swapper/121:51:581
3223991310,2cyclictest0-21swapper/121:32:151
3223991310,2cyclictest0-21swapper/121:20:151
3223991310,2cyclictest0-21swapper/120:50:161
3223991310,2cyclictest0-21swapper/100:29:451
3223991310,2cyclictest0-21swapper/100:15:271
322399130,2cyclictest0-21swapper/123:45:561
322399130,2cyclictest0-21swapper/122:55:251
322399130,2cyclictest0-21swapper/122:25:161
322399130,12cyclictest0-21swapper/123:57:051
322399130,12cyclictest0-21swapper/123:31:251
322399130,12cyclictest0-21swapper/123:11:071
322399130,12cyclictest0-21swapper/122:48:471
322399130,12cyclictest0-21swapper/122:00:451
322399130,11cyclictest0-21swapper/120:25:411
322399130,11cyclictest0-21swapper/119:20:391
322399130,11cyclictest0-21swapper/119:10:291
3222991310,2cyclictest32428-21ssh00:10:300
3222991310,2cyclictest12495-21apt-get22:10:030
3222991310,2cyclictest0-21swapper/023:55:500
3222991310,2cyclictest0-21swapper/023:47:100
3222991310,2cyclictest0-21swapper/023:01:480
3222991310,2cyclictest0-21swapper/022:51:520
3222991310,2cyclictest0-21swapper/022:06:290
3222991310,2cyclictest0-21swapper/021:17:210
3222991310,2cyclictest0-21swapper/019:35:500
3222991310,2cyclictest0-21swapper/000:30:400
3222991310,2cyclictest0-21swapper/000:06:310
322299130,2cyclictest19083-21diskmemload00:20:140
322299130,2cyclictest19083-21diskmemload00:17:530
322299130,2cyclictest0-21swapper/023:36:410
322299130,2cyclictest0-21swapper/023:08:190
322299130,2cyclictest0-21swapper/022:56:200
322299130,12cyclictest0-21swapper/019:50:120
322299130,12cyclictest0-21swapper/019:31:010
322299130,11cyclictest27224-21sh22:25:030
322299130,11cyclictest20860-21sh21:45:020
322299130,11cyclictest0-21swapper/020:01:000
322299130,11cyclictest0-21swapper/020:01:000
322599129,2cyclictest27519-21kworker/u8:220:35:043
322599128,2cyclictest0-21swapper/320:00:123
322599128,2cyclictest0-21swapper/320:00:123
322599120,1cyclictest0-21swapper/320:20:123
322499129,2cyclictest19083-21diskmemload00:02:422
322499129,2cyclictest0-21swapper/223:17:202
322499129,2cyclictest0-21swapper/223:14:122
322499129,2cyclictest0-21swapper/222:00:172
322499129,2cyclictest0-21swapper/221:12:492
322499129,2cyclictest0-21swapper/221:00:142
322499129,2cyclictest0-21swapper/219:50:112
322499129,2cyclictest0-21swapper/200:07:432
322499128,2cyclictest0-21swapper/220:01:022
322499128,2cyclictest0-21swapper/220:01:022
322499122,7cyclictest0-21swapper/223:48:022
322499122,7cyclictest0-21swapper/221:26:592
322499122,7cyclictest0-21swapper/220:56:592
322499121,6cyclictest0-21swapper/219:50:002
322499120,1cyclictest0-21swapper/219:16:012
322499120,11cyclictest0-21swapper/223:30:502
322499120,11cyclictest0-21swapper/223:01:462
322499120,11cyclictest0-21swapper/222:55:132
322499120,11cyclictest0-21swapper/222:30:112
322499120,11cyclictest0-21swapper/221:52:012
322499120,11cyclictest0-21swapper/220:45:152
322499120,11cyclictest0-21swapper/200:20:162
322499120,10cyclictest0-21swapper/200:38:342
322399129,2cyclictest0-21swapper/123:41:261
322399129,2cyclictest0-21swapper/123:05:261
322399129,2cyclictest0-21swapper/121:48:071
322399120,2cyclictest0-21swapper/123:37:081
322399120,2cyclictest0-21swapper/121:25:471
322399120,2cyclictest0-21swapper/121:15:281
322399120,2cyclictest0-21swapper/120:35:201
322399120,11cyclictest0-21swapper/123:51:481
322399120,11cyclictest0-21swapper/121:43:481
322399120,11cyclictest0-21swapper/121:05:521
322399120,11cyclictest0-21swapper/100:21:091
322299129,2cyclictest0-21swapper/023:16:030
322299129,2cyclictest0-21swapper/022:30:490
322299127,3cyclictest9658-21cut20:45:140
322299123,5cyclictest0-21swapper/020:05:090
322299122,6cyclictest0-21swapper/019:55:060
322299120,2cyclictest0-21swapper/023:10:280
322299120,2cyclictest0-21swapper/021:40:330
322299120,2cyclictest0-21swapper/000:35:520
322299120,11cyclictest0-21swapper/023:40:510
322299120,11cyclictest0-21swapper/021:56:030
322299120,11cyclictest0-21swapper/021:11:300
322299120,11cyclictest0-21swapper/020:15:150
322299120,11cyclictest0-21swapper/019:40:010
276612120,2sleep20-21swapper/221:18:232
207072120,2sleep20-21swapper/200:32:152
322599118,2cyclictest3483-21kworker/u8:219:32:033
322599118,2cyclictest0-21swapper/321:04:273
322599118,2cyclictest0-21swapper/320:56:043
322499118,2cyclictest0-21swapper/223:05:402
322499118,2cyclictest0-21swapper/221:55:262
322499118,2cyclictest0-21swapper/221:39:112
322499118,2cyclictest0-21swapper/219:40:122
322499118,2cyclictest0-21swapper/200:25:192
322499112,7cyclictest0-21swapper/222:05:022
322499112,6cyclictest0-21swapper/219:14:592
322499110,2cyclictest0-21swapper/222:36:022
322499110,10cyclictest0-21swapper/222:25:462
322499110,10cyclictest0-21swapper/220:31:052
322499110,10cyclictest0-21swapper/220:25:412
322399118,2cyclictest0-21swapper/121:00:501
322399111,2cyclictest0-21swapper/119:40:151
322399110,9cyclictest0-21swapper/120:15:131
322399110,9cyclictest0-21swapper/119:55:051
322299118,2cyclictest0-21swapper/023:25:190
322299118,2cyclictest0-21swapper/020:10:110
322299111,5cyclictest0-21swapper/020:50:010
322299110,2cyclictest0-21swapper/020:21:020
224072110,2sleep20-21swapper/222:20:032
322599107,2cyclictest31353-21kworker/u8:119:10:043
322599107,2cyclictest14623-21kworker/u8:019:42:043
322599107,2cyclictest0-21swapper/321:05:193
322599107,2cyclictest0-21swapper/319:15:183
322599105,3cyclictest21551-21tr19:55:133
322499107,2cyclictest0-21swapper/223:55:202
322499107,2cyclictest0-21swapper/220:50:182
322499105,3cyclictest11833-21wc19:30:162
322499102,7cyclictest0-21swapper/220:36:592
322499101,6cyclictest0-21swapper/219:56:022
322499101,5cyclictest0-21swapper/220:20:002
322499101,3cyclictest0-21swapper/220:25:012
322499100,9cyclictest0-21swapper/221:45:572
322399107,2cyclictest0-21swapper/120:45:141
322399107,2cyclictest0-21swapper/119:25:171
322399101,8cyclictest0-21swapper/120:31:031
322399100,9cyclictest23344-21apt-get20:00:111
322399100,9cyclictest23344-21apt-get20:00:111
322399100,9cyclictest0-21swapper/119:30:401
322399100,8cyclictest0-21swapper/119:45:151
322299107,2cyclictest0-21swapper/020:55:040
322299105,3cyclictest3212-21tr20:30:130
322299101,6cyclictest0-21swapper/020:41:010
322299101,4cyclictest9962-21grep19:25:170
32259996,2cyclictest22983-21kworker/u8:120:05:043
32259996,2cyclictest0-21swapper/319:38:593
32259994,3cyclictest7497-21grep20:40:133
32259994,3cyclictest3728-21runrttasks20:30:483
32259994,3cyclictest29685-21grep20:15:133
32249994,3cyclictest8346-21grep20:41:012
32249994,3cyclictest27593-21cpuspeed_turbos20:10:132
32239990,8cyclictest0-21swapper/120:10:171
32239990,8cyclictest0-21swapper/120:05:111
32239990,8cyclictest0-21swapper/119:36:021
32239990,8cyclictest0-21swapper/119:15:121
32239990,2cyclictest0-21swapper/120:55:161
32229994,3cyclictest3127-21nscd19:20:180
32229994,3cyclictest17534-21tr21:05:150
32229994,3cyclictest15990-21latency21:00:160
32229990,8cyclictest0-21swapper/019:16:040
32249983,3cyclictest9342-21cut19:25:132
32249983,3cyclictest7260-21aten2.4_r3power19:20:112
32249983,3cyclictest17498-21cpu21:05:152
32229983,3cyclictest1818-21ntp_kernel_pll_20:25:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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