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2026-04-30 - 02:14

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 Thu Apr 30, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3052521390,1sleep10-21swapper/122:00:571
32175211099,6sleep20-21swapper/219:06:302
32350210998,6sleep00-21swapper/019:08:440
31674210888,15sleep10-21swapper/119:05:241
32308210686,15sleep30-21swapper/319:08:103
123522770,1sleep012300-21copy22:20:000
84332700,0sleep20-21swapper/220:50:012
73252700,0sleep00-21swapper/020:45:180
32481993817,19cyclictest4666-21ssh22:10:112
32481993315,16cyclictest0-21swapper/223:10:102
110172280,0sleep30-21swapper/300:20:393
3248199212,7cyclictest0-21swapper/219:43:022
3248199210,19cyclictest0-21swapper/223:30:112
163942210,1sleep30-21swapper/321:45:003
3248199200,19cyclictest0-21swapper/222:30:122
77122190,0sleep00-21swapper/022:53:510
32482991916,2cyclictest26154-21kworker/u8:022:13:053
32481991914,3cyclictest25880-21ssh21:20:112
32482991815,2cyclictest9306-21kworker/u8:023:21:053
32482991815,2cyclictest9306-21kworker/u8:023:21:043
32482991815,2cyclictest15584-21kworker/u8:123:16:063
32482991714,2cyclictest9306-21kworker/u8:022:57:043
32482991714,2cyclictest26154-21kworker/u8:022:47:043
3247999171,14cyclictest0-21swapper/021:25:150
3248299161,3cyclictest5014-21ssh21:31:293
32482991613,2cyclictest14255-21kworker/u8:200:30:053
3248299161,13cyclictest7703-21df21:35:143
3248299161,13cyclictest19090-21ssh21:47:053
3248299161,13cyclictest0-21swapper/323:30:013
32481991612,2cyclictest0-21swapper/221:10:592
3248099160,14cyclictest4688-21cut20:40:141
3247999160,13cyclictest0-21swapper/023:30:140
3248299151,12cyclictest0-21swapper/323:53:513
3248299151,12cyclictest0-21swapper/322:05:543
32482991511,2cyclictest0-21swapper/320:30:153
32481991512,2cyclictest0-21swapper/200:38:372
3248199151,12cyclictest14544-21apt-get19:45:102
32481991510,3cyclictest0-21swapper/221:15:152
32480991512,2cyclictest3365-21kworker/u8:100:24:041
3248099150,3cyclictest19539-21munin-node1
3247999152,7cyclictest0-21swapper/023:00:010
3247999151,12cyclictest25874-21apt-get21:20:100
32479991510,3cyclictest18356-21ssh22:27:000
32479991510,3cyclictest13991-21apt-get00:25:050
32479991510,3cyclictest0-21swapper/022:42:240
32479991510,3cyclictest0-21swapper/021:44:270
32479991510,3cyclictest0-21swapper/000:20:190
32479991510,3cyclictest0-21swapper/000:01:010
3247999150,13cyclictest12589-21hddtemp_smartct23:00:140
32482991411,2cyclictest5648-21kworker/u8:123:38:063
32482991411,2cyclictest3057-21kworker/u8:122:54:053
32482991411,2cyclictest0-21swapper/321:55:353
32482991411,2cyclictest0-21swapper/300:18:473
3248299140,3cyclictest22397-21ssh21:15:293
3248299140,2cyclictest0-21swapper/322:04:473
3248299140,12cyclictest0-21swapper/322:25:203
3248199149,3cyclictest0-21swapper/220:36:042
3248199149,3cyclictest0-21swapper/220:36:032
3248199141,2cyclictest301ktimersoftd/220:15:172
32481991411,2cyclictest301ktimersoftd/223:19:352
32481991411,2cyclictest0-21swapper/200:24:102
32481991410,3cyclictest0-21swapper/221:55:582
3248199140,12cyclictest0-21swapper/221:34:592
3248199140,12cyclictest0-21swapper/220:30:152
32480991411,2cyclictest3365-21kworker/u8:100:12:051
32480991411,2cyclictest0-21swapper/121:15:151
32480991411,2cyclictest0-21swapper/119:56:021
32480991410,2cyclictest0-21swapper/121:20:111
3248099140,3cyclictest18712-21cut00:30:391
3248099140,2cyclictest0-21swapper/122:13:041
3248099140,13cyclictest0-21swapper/119:40:131
3248099140,12cyclictest0-21swapper/122:57:051
3248099140,12cyclictest0-21swapper/121:30:131
3248099140,12cyclictest0-21swapper/121:11:401
3248099140,12cyclictest0-21swapper/120:10:301
3248099140,12cyclictest0-21swapper/119:25:191
3247999149,3cyclictest32563-21wc20:30:000
3247999141,11cyclictest25907-21ssh21:55:310
3247999140,12cyclictest0-21swapper/021:45:450
89572130,2sleep10-21swapper/123:37:301
32482991310,2cyclictest16295-21diskmemload21:50:203
32482991310,2cyclictest0-21swapper/323:12:553
32482991310,2cyclictest0-21swapper/322:15:443
32482991310,2cyclictest0-21swapper/321:25:463
32482991310,2cyclictest0-21swapper/320:06:013
32482991310,2cyclictest0-21swapper/319:45:133
32482991310,2cyclictest0-21swapper/300:06:253
3248299130,2cyclictest0-21swapper/323:41:173
3248299130,2cyclictest0-21swapper/323:05:343
3248299130,2cyclictest0-21swapper/322:42:433
3248299130,2cyclictest0-21swapper/321:05:193
3248299130,2cyclictest0-21swapper/320:10:193
3248299130,2cyclictest0-21swapper/300:29:393
3248299130,2cyclictest0-21swapper/300:00:083
3248299130,12cyclictest16082-21ssh23:46:203
3248299130,12cyclictest12396-21ssh23:00:143
3248299130,12cyclictest0-21swapper/323:56:203
3248299130,12cyclictest0-21swapper/323:32:393
3248299130,12cyclictest0-21swapper/322:36:223
3248299130,12cyclictest0-21swapper/322:31:493
3248299130,12cyclictest0-21swapper/322:22:463
3248299130,12cyclictest0-21swapper/321:21:203
3248299130,12cyclictest0-21swapper/321:10:213
3248299130,12cyclictest0-21swapper/319:50:033
3248299130,12cyclictest0-21swapper/300:35:033
3248299130,12cyclictest0-21swapper/300:13:153
3248199138,3cyclictest0-21swapper/223:00:062
3248199137,4cyclictest0-21swapper/220:00:012
3248199132,10cyclictest0-21swapper/200:30:162
3248199131,10cyclictest2164-21ssh23:29:122
32481991310,2cyclictest0-21swapper/222:54:482
32481991310,2cyclictest0-21swapper/222:41:212
3248199130,2cyclictest0-21swapper/219:25:152
3248199130,12cyclictest0-21swapper/222:00:132
3248199130,11cyclictest0-21swapper/222:39:092
32480991310,2cyclictest5648-21kworker/u8:123:34:061
32480991310,2cyclictest0-21swapper/122:30:451
32480991310,2cyclictest0-21swapper/120:45:121
32480991310,2cyclictest0-21swapper/120:00:501
32480991310,2cyclictest0-21swapper/100:16:421
3248099130,3cyclictest0-21swapper/119:50:491
3248099130,2cyclictest0-21swapper/123:21:051
3248099130,2cyclictest0-21swapper/123:21:041
3248099130,2cyclictest0-21swapper/123:16:061
3248099130,2cyclictest0-21swapper/123:00:211
3248099130,2cyclictest0-21swapper/122:19:231
3248099130,2cyclictest0-21swapper/120:35:181
3248099130,2cyclictest0-21swapper/120:35:171
3248099130,2cyclictest0-21swapper/119:30:171
3248099130,2cyclictest0-21swapper/100:02:031
3248099130,1cyclictest0-21swapper/121:06:031
3248099130,12cyclictest0-21swapper/119:35:121
3248099130,11cyclictest0-21swapper/121:47:291
3248099130,11cyclictest0-21swapper/120:15:381
3247999138,3cyclictest17253-21iostat_ios19:50:150
3247999132,6cyclictest0-21swapper/020:40:010
3247999132,6cyclictest0-21swapper/020:40:000
3247999131,7cyclictest0-21swapper/019:25:000
3247999131,6cyclictest0-21swapper/020:04:590
32479991310,2cyclictest29046-21ssh22:00:120
32479991310,2cyclictest0-21swapper/023:50:110
32479991310,2cyclictest0-21swapper/023:46:320
32479991310,2cyclictest0-21swapper/023:17:180
32479991310,2cyclictest0-21swapper/022:33:460
32479991310,2cyclictest0-21swapper/022:10:030
32479991310,2cyclictest0-21swapper/021:35:480
32479991310,2cyclictest0-21swapper/021:14:470
32479991310,2cyclictest0-21swapper/019:35:150
3247999130,2cyclictest0-21swapper/023:24:050
3247999130,2cyclictest0-21swapper/023:24:040
3247999130,2cyclictest0-21swapper/023:10:580
3247999130,2cyclictest0-21swapper/000:32:260
3247999130,12cyclictest0-21swapper/023:08:580
3247999130,12cyclictest0-21swapper/022:45:380
3247999130,12cyclictest0-21swapper/000:35:170
3247999130,12cyclictest0-21swapper/000:18:280
3247999130,11cyclictest0-21swapper/022:36:590
3247999130,11cyclictest0-21swapper/022:08:450
3247999130,11cyclictest0-21swapper/019:26:040
321772130,2sleep116295-21diskmemload22:44:071
241532130,2sleep10-21swapper/100:38:421
177332130,2sleep10-21swapper/123:07:081
3248299129,2cyclictest3955-21kworker/u8:021:00:053
3248299129,2cyclictest26226-21kworker/u8:120:43:043
3248299129,2cyclictest12116-21kworker/u8:219:44:053
3248299129,2cyclictest0-21swapper/320:15:133
3248299129,2cyclictest0-21swapper/319:16:033
3248299120,2cyclictest0-21swapper/319:26:023
3248199129,2cyclictest0-21swapper/222:26:412
3248199129,2cyclictest0-21swapper/220:25:112
3248199129,2cyclictest0-21swapper/220:10:122
3248199121,2cyclictest301ktimersoftd/221:51:182
3248199121,2cyclictest301ktimersoftd/221:00:152
3248199121,10cyclictest301ktimersoftd/223:06:302
3248199120,3cyclictest31822-21ssh21:25:422
3248199120,2cyclictest0-21swapper/219:50:012
3248199120,11cyclictest0-21swapper/222:20:172
3248199120,10cyclictest13423-21ssh23:42:122
3248099129,2cyclictest30789-21kworker/u8:222:50:051
3248099129,2cyclictest19672-21kworker/u8:121:50:051
3248099129,2cyclictest0-21swapper/123:59:131
3248099129,2cyclictest0-21swapper/123:47:221
3248099129,2cyclictest0-21swapper/122:27:431
3248099129,2cyclictest0-21swapper/121:55:071
3248099120,2cyclictest0-21swapper/123:40:231
3248099120,2cyclictest0-21swapper/123:27:281
3248099120,2cyclictest0-21swapper/123:11:241
3248099120,2cyclictest0-21swapper/122:47:041
3248099120,2cyclictest0-21swapper/120:25:301
3248099120,1cyclictest0-21swapper/100:25:031
3248099120,11cyclictest0-21swapper/121:35:161
3248099120,11cyclictest0-21swapper/121:00:401
3248099120,11cyclictest0-21swapper/120:05:171
3247999129,2cyclictest16295-21diskmemload23:25:060
3247999129,2cyclictest0-21swapper/023:55:570
3247999129,2cyclictest0-21swapper/022:20:060
3247999129,2cyclictest0-21swapper/021:31:020
3247999122,6cyclictest0-21swapper/020:10:010
3247999122,6cyclictest0-21swapper/019:55:010
3247999122,5cyclictest0-21swapper/000:05:010
3247999120,2cyclictest0-21swapper/020:50:130
3247999120,2cyclictest0-21swapper/000:11:160
3247999120,11cyclictest0-21swapper/023:40:470
3247999120,11cyclictest0-21swapper/023:35:280
3247999120,11cyclictest0-21swapper/021:50:460
3247999120,11cyclictest0-21swapper/021:15:410
3247999120,11cyclictest0-21swapper/019:40:160
251162120,2sleep10-21swapper/122:35:081
3248299110,2cyclictest0-21swapper/320:35:083
3248299110,2cyclictest0-21swapper/320:35:083
3248199118,2cyclictest0-21swapper/223:57:522
3248199118,2cyclictest0-21swapper/222:58:222
3248199118,2cyclictest0-21swapper/221:46:522
3248199118,2cyclictest0-21swapper/200:26:132
3248199117,3cyclictest0-21swapper/219:15:142
3248199113,6cyclictest0-21swapper/220:06:022
3248199112,6cyclictest0-21swapper/219:24:582
3248199112,6cyclictest0-21swapper/200:13:592
3248199111,9cyclictest301ktimersoftd/222:15:172
3248199111,9cyclictest0-21swapper/223:52:492
3248199111,7cyclictest4562-21gdm-simple-gree20:04:592
3248199110,9cyclictest18031-21rm23:49:392
3248099118,2cyclictest26227-21kworker/u8:220:24:051
3248099118,2cyclictest1878-21kworker/u8:119:16:061
3248099118,2cyclictest16295-21diskmemload21:25:141
3248099118,2cyclictest0-21swapper/121:41:571
3248099110,9cyclictest0-21swapper/120:56:021
3248099110,3cyclictest0-21swapper/119:10:131
3248099110,2cyclictest0-21swapper/100:05:471
3248099110,10cyclictest0-21swapper/122:20:311
3248099110,10cyclictest0-21swapper/122:05:381
3247999118,2cyclictest0-21swapper/021:00:150
3247999116,3cyclictest15965-21grep19:46:030
3248299107,2cyclictest4049-21kworker/u8:019:33:043
3248299107,2cyclictest4049-21kworker/u8:019:22:043
3248299107,2cyclictest30203-21kworker/u8:219:11:043
3248299107,2cyclictest12531-21kworker/u8:320:02:053
3248299107,2cyclictest0-21swapper/320:55:053
3248199107,2cyclictest16295-21diskmemload22:06:322
3248199107,2cyclictest0-21swapper/221:40:292
3248199107,2cyclictest0-21swapper/221:37:562
3248199107,2cyclictest0-21swapper/200:08:322
3248199105,3cyclictest10269-21gpgv19:35:002
3248199102,7cyclictest0-21swapper/200:18:282
3248199102,6cyclictest0-21swapper/220:41:012
3248199101,7cyclictest11225-21ls19:35:162
3248199101,5cyclictest0-21swapper/223:40:012
3248199100,7cyclictest4556-21metacity19:11:592
3248199100,7cyclictest0-21swapper/223:23:022
3248199100,7cyclictest0-21swapper/223:23:022
3248199100,7cyclictest0-21swapper/220:21:012
3248199100,2cyclictest0-21swapper/222:47:172
3248099107,2cyclictest0-21swapper/119:45:151
3248099107,2cyclictest0-21swapper/119:20:111
3248099100,9cyclictest8458-21munin-node1
3248099100,9cyclictest0-21swapper/120:30:161
3247999101,6cyclictest0-21swapper/021:05:130
3247999100,3cyclictest274-21jbd2/sda1-819:10:150
324829996,2cyclictest6097-21kworker/u8:220:50:053
324829996,2cyclictest26226-21kworker/u8:120:25:053
324829996,2cyclictest10066-21kworker/u8:119:37:053
324829996,2cyclictest0-21swapper/320:20:583
324819993,4cyclictest9425-21processes20:50:192
324819993,4cyclictest10951-21fschecks_time20:55:152
324819992,5cyclictest14921-21cut21:05:152
324819991,2cyclictest0-21swapper/200:00:342
324799994,3cyclictest8709-21cut19:30:140
324799994,3cyclictest5396-21processes20:40:190
324799994,3cyclictest470-21cpuspeed_turbos20:30:120
324799994,3cyclictest3566-21timerandwakeup19:16:030
324799994,3cyclictest3127-21nscd20:15:160
324799994,3cyclictest302372sleep020:22:140
324799991,4cyclictest0-21swapper/020:56:400
324799991,3cyclictest0-21swapper/020:10:160
324829981,3cyclictest0-21swapper/320:45:123
324829980,7cyclictest0-21swapper/319:55:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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