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2026-07-26 - 22:57

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 Sun Jul 26, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27742114103,6sleep00-21swapper/007:05:590
16822114103,6sleep10-21swapper/107:05:081
2766211292,15sleep20-21swapper/207:05:532
3225210695,6sleep30-21swapper/307:06:223
145802790,0sleep20-21swapper/209:36:252
312862740,1sleep031289-21kernelversion11:00:170
64452730,0sleep20-21swapper/212:15:062
193982680,0sleep30-21swapper/309:41:193
99282660,0sleep10-21swapper/109:31:431
22272660,1sleep30-21swapper/308:25:153
3551993717,18cyclictest0-21swapper/012:05:120
355399301,27cyclictest0-21swapper/108:15:121
243852270,1sleep30-21swapper/310:53:353
34382260,1sleep10-21swapper/110:31:281
262442260,0sleep30-21swapper/312:01:123
207422250,1sleep0101ktimersoftd/010:50:070
355499244,4cyclictest0-21swapper/207:16:042
355499241,18cyclictest0-21swapper/208:43:052
355499230,2cyclictest0-21swapper/209:45:122
156962230,1sleep10-21swapper/110:10:591
355499223,2cyclictest0-21swapper/211:56:052
355499221,6cyclictest0-21swapper/207:13:042
355499221,2cyclictest0-21swapper/210:40:132
355399221,19cyclictest30043-21ssh09:20:101
355499212,2cyclictest0-21swapper/207:36:012
3554992118,2cyclictest31358-21kworker/u8:212:14:042
225992210,3sleep229-21rcuc/207:55:162
3554992017,2cyclictest4013-21kworker/u8:210:05:042
3554992017,2cyclictest19075-21kworker/u8:211:12:052
3554992017,2cyclictest14194-21kworker/u8:110:18:052
355499201,2cyclictest0-21swapper/211:38:012
355499201,2cyclictest0-21swapper/211:32:042
355499201,2cyclictest0-21swapper/210:14:042
3554991916,2cyclictest19858-21kworker/u8:109:44:012
355499190,2cyclictest0-21swapper/209:09:052
355499190,2cyclictest0-21swapper/208:15:052
355499190,2cyclictest0-21swapper/208:13:042
355499190,17cyclictest0-21swapper/211:05:112
355199190,2cyclictest0-21swapper/009:45:120
3554991815,2cyclictest6792-21kworker/u8:211:48:052
3554991815,2cyclictest25209-21kworker/u8:109:23:042
3554991815,2cyclictest19858-21kworker/u8:109:59:042
3554991815,2cyclictest16403-21kworker/u8:212:31:042
3554991815,2cyclictest16403-21kworker/u8:212:26:042
3554991815,2cyclictest16064-21kworker/u8:007:42:042
3554991815,2cyclictest14194-21kworker/u8:110:28:052
3554991815,2cyclictest13326-21kworker/u8:011:53:042
355499180,10cyclictest0-21swapper/210:20:042
3554991714,2cyclictest25581-21kworker/u8:110:56:042
355499170,2cyclictest0-21swapper/207:51:052
3554991613,2cyclictest5464-21kworker/u8:011:16:042
3554991613,2cyclictest32693-21kworker/u8:009:25:042
3554991613,2cyclictest31358-21kworker/u8:212:08:012
3554991613,2cyclictest26449-21kworker/u8:008:30:042
3554991613,2cyclictest26449-21kworker/u8:008:26:052
3554991613,2cyclictest10096-21kworker/u8:107:22:012
355499160,5cyclictest0-21swapper/212:03:042
355499160,14cyclictest0-21swapper/210:33:162
3553991611,3cyclictest207150irq/24-eth107:15:111
355399161,13cyclictest19996-21diskmemload10:59:101
3553991611,3cyclictest0-21swapper/110:20:161
355599150,11cyclictest0-21swapper/310:20:333
3554991512,2cyclictest6181-21kworker/u8:108:52:042
3554991512,2cyclictest5464-21kworker/u8:011:22:042
3554991512,2cyclictest3991-21kworker/u8:208:46:012
3554991512,2cyclictest26449-21kworker/u8:008:22:042
3554991512,2cyclictest14194-21kworker/u8:110:47:042
3554991510,3cyclictest0-21swapper/211:00:302
355499150,14cyclictest0-21swapper/210:50:052
355499150,13cyclictest19996-21diskmemload12:39:072
355399152,7cyclictest0-21swapper/112:25:001
355399152,7cyclictest0-21swapper/110:45:001
355399152,7cyclictest0-21swapper/108:00:001
3551991510,3cyclictest0-21swapper/008:35:010
355199150,3cyclictest22818-21latency07:55:180
355199150,13cyclictest0-21swapper/010:25:170
355199150,13cyclictest0-21swapper/009:50:190
355599141,2cyclictest0-21swapper/310:38:293
355599140,2cyclictest0-21swapper/310:40:313
355599140,12cyclictest22305-21ssh10:18:053
355599140,12cyclictest0-21swapper/311:35:033
355599140,12cyclictest0-21swapper/310:49:163
355599140,12cyclictest0-21swapper/309:36:033
355599140,12cyclictest0-21swapper/309:10:223
3554991411,2cyclictest9962-21kworker/u8:207:32:042
3554991411,2cyclictest0-21swapper/211:41:072
3554991411,2cyclictest0-21swapper/209:50:262
355499140,2cyclictest0-21swapper/212:22:042
355499140,13cyclictest0-21swapper/211:27:172
355499140,13cyclictest0-21swapper/209:18:042
355499140,13cyclictest0-21swapper/209:18:042
355499140,12cyclictest6468-21df_abs08:35:142
355399143,9cyclictest19030-21aten2.4_r3power10:15:121
355399142,6cyclictest0-21swapper/112:40:001
3553991411,2cyclictest21-21rcuc/111:28:231
3553991411,2cyclictest21-21rcuc/108:00:001
355399141,11cyclictest0-21swapper/112:02:201
3553991410,2cyclictest0-21swapper/112:35:011
355399140,13cyclictest0-21swapper/110:08:101
355399140,12cyclictest23850-21grep09:46:031
355399140,12cyclictest19196-21cut09:05:181
355199149,3cyclictest16495-21perl10:45:130
355199140,2cyclictest0-21swapper/011:30:180
355199140,2cyclictest0-21swapper/010:30:090
355199140,2cyclictest0-21swapper/008:04:120
355199140,13cyclictest0-21swapper/009:41:090
355199140,12cyclictest0-21swapper/009:35:140
302562140,3sleep330268-21ssh12:39:463
179752140,2sleep20-21swapper/209:05:002
355599139,2cyclictest0-21swapper/312:26:103
3555991310,2cyclictest30925-21ssh11:33:333
3555991310,2cyclictest28699-21apt-get12:05:063
3555991310,2cyclictest19996-21diskmemload09:15:553
3555991310,2cyclictest19996-21diskmemload09:15:543
3555991310,2cyclictest0-21swapper/312:33:533
3555991310,2cyclictest0-21swapper/311:47:163
3555991310,2cyclictest0-21swapper/311:12:333
3555991310,2cyclictest0-21swapper/311:00:253
3555991310,2cyclictest0-21swapper/310:32:133
3555991310,2cyclictest0-21swapper/309:57:233
3555991310,2cyclictest0-21swapper/309:48:353
3555991310,2cyclictest0-21swapper/309:24:313
3555991310,2cyclictest0-21swapper/308:46:013
355599130,2cyclictest0-21swapper/312:20:123
355599130,2cyclictest0-21swapper/312:15:133
355599130,2cyclictest0-21swapper/312:12:053
355599130,2cyclictest0-21swapper/311:55:353
355599130,2cyclictest0-21swapper/311:50:333
355599130,2cyclictest0-21swapper/311:26:443
355599130,2cyclictest0-21swapper/311:15:413
355599130,2cyclictest0-21swapper/310:05:393
355599130,12cyclictest0-21swapper/311:40:163
355599130,12cyclictest0-21swapper/310:58:123
355599130,12cyclictest0-21swapper/310:10:293
355599130,12cyclictest0-21swapper/310:00:433
355599130,12cyclictest0-21swapper/309:25:053
355599130,12cyclictest0-21swapper/308:50:143
355599130,12cyclictest0-21swapper/308:35:133
3554991310,2cyclictest0-21swapper/209:12:102
355499130,2cyclictest25983-21gzip08:04:262
355499130,12cyclictest0-21swapper/209:30:162
355399138,3cyclictest27542-21fschecks_time09:50:151
355399138,3cyclictest2093-21munin-node1
355399131,10cyclictest3728-21runrttasks10:35:171
3553991310,2cyclictest23-21ksoftirqd/111:21:201
3553991310,2cyclictest0-21swapper/110:00:281
3553991310,2cyclictest0-21swapper/109:40:001
3553991310,2cyclictest0-21swapper/109:18:591
3553991310,2cyclictest0-21swapper/109:18:591
355399130,2cyclictest0-21swapper/112:15:201
355399130,2cyclictest0-21swapper/108:30:201
355399130,12cyclictest19996-21diskmemload11:01:021
355399130,12cyclictest0-21swapper/111:58:401
355399130,12cyclictest0-21swapper/110:45:091
355399130,12cyclictest0-21swapper/107:50:131
355399130,11cyclictest0-21swapper/107:35:401
355199138,3cyclictest0-21swapper/011:45:140
355199133,6cyclictest0-21swapper/010:08:100
355199132,6cyclictest23877-21copy12:00:000
3551991310,2cyclictest0-21swapper/012:25:190
3551991310,2cyclictest0-21swapper/011:20:150
3551991310,2cyclictest0-21swapper/010:55:390
3551991310,2cyclictest0-21swapper/008:29:280
355199130,2cyclictest0-21swapper/011:05:130
355199130,2cyclictest0-21swapper/010:42:200
355199130,2cyclictest0-21swapper/010:14:190
355199130,2cyclictest0-21swapper/010:01:040
355199130,12cyclictest0-21swapper/012:38:190
355199130,11cyclictest0-21swapper/007:50:160
326082130,2sleep319996-21diskmemload10:28:593
355599129,2cyclictest25980-21gzip08:04:253
355599129,2cyclictest11131-21python07:26:013
355599129,2cyclictest0-21swapper/311:20:543
355599129,2cyclictest0-21swapper/311:06:463
355599129,2cyclictest0-21swapper/309:50:183
355599122,7cyclictest4556-21metacity07:33:583
355599122,7cyclictest0-21swapper/308:11:583
355599122,7cyclictest0-21swapper/307:57:583
355599120,9cyclictest4562-21gdm-simple-gree07:46:583
355599120,2cyclictest0-21swapper/307:50:143
355599120,2cyclictest0-21swapper/307:15:173
355599120,11cyclictest0-21swapper/309:30:513
355599120,11cyclictest0-21swapper/308:40:163
355599120,11cyclictest0-21swapper/308:15:183
355499127,3cyclictest0-21swapper/210:00:142
355499120,11cyclictest0-21swapper/210:35:202
355399129,2cyclictest23-21ksoftirqd/111:05:111
355399129,2cyclictest221ktimersoftd/112:05:011
355399129,2cyclictest0-21swapper/112:25:441
355399129,2cyclictest0-21swapper/110:53:441
355399128,2cyclictest0-21swapper/111:16:041
355399122,8cyclictest221ktimersoftd/111:30:131
355399122,8cyclictest221ktimersoftd/111:10:131
355399122,6cyclictest0-21swapper/107:45:591
355399121,9cyclictest3113-21perl09:25:171
355399121,9cyclictest0-21swapper/110:25:181
355399121,9cyclictest0-21swapper/109:10:211
355399121,3cyclictest32364-21munin-node1
355399121,3cyclictest28928-21hwlatdetect08:10:151
355399121,3cyclictest0-21swapper/107:25:141
355399121,3cyclictest0-21swapper/107:10:151
355399120,2cyclictest23-21ksoftirqd/111:43:011
355399120,2cyclictest0-21swapper/109:42:301
355399120,2cyclictest0-21swapper/107:20:181
355399120,11cyclictest0-21swapper/111:52:291
355399120,11cyclictest0-21swapper/111:45:141
355399120,11cyclictest0-21swapper/111:35:181
355399120,11cyclictest0-21swapper/108:25:131
355199129,2cyclictest22150irq/25-ahci[00012:00:070
355199129,2cyclictest0-21swapper/012:22:360
355199129,2cyclictest0-21swapper/009:22:050
355199129,2cyclictest0-21swapper/009:17:390
355199129,2cyclictest0-21swapper/009:17:380
355199129,2cyclictest0-21swapper/009:10:580
355199129,2cyclictest0-21swapper/008:40:170
355199129,2cyclictest0-21swapper/008:35:120
355199129,2cyclictest0-21swapper/007:30:090
355199122,6cyclictest0-21swapper/008:10:010
355199122,5cyclictest0-21swapper/008:15:000
355199120,2cyclictest19996-21diskmemload09:26:410
355199120,2cyclictest0-21swapper/009:55:170
355199120,2cyclictest0-21swapper/008:55:180
355199120,2cyclictest0-21swapper/007:25:130
355199120,11cyclictest0-21swapper/012:33:010
355199120,11cyclictest0-21swapper/007:40:290
355199120,10cyclictest0-21swapper/009:30:430
211702120,2sleep00-21swapper/010:16:210
167592120,2sleep00-21swapper/011:19:100
355599112,7cyclictest0-21swapper/307:39:593
355599112,6cyclictest0-21swapper/308:32:013
355599111,7cyclictest4562-21gdm-simple-gree08:23:583
355599110,8cyclictest0-21swapper/308:58:583
355599110,10cyclictest0-21swapper/307:20:193
355399118,2cyclictest0-21swapper/107:30:371
355399116,3cyclictest0-21swapper/108:40:001
355399113,6cyclictest0-21swapper/108:51:001
355399112,7cyclictest0-21swapper/108:45:011
355399112,2cyclictest221ktimersoftd/109:00:161
355399111,2cyclictest16078-21apt-get07:40:121
355399111,2cyclictest0-21swapper/109:55:121
355399110,9cyclictest0-21swapper/108:40:191
355399110,2cyclictest0-21swapper/108:55:431
355199118,2cyclictest0-21swapper/012:16:210
355199118,2cyclictest0-21swapper/011:43:140
355199118,2cyclictest0-21swapper/010:36:570
355199118,2cyclictest0-21swapper/009:06:580
355199118,2cyclictest0-21swapper/008:51:020
355199112,6cyclictest0-21swapper/007:47:290
355199112,6cyclictest0-21swapper/007:14:580
355199110,2cyclictest19996-21diskmemload11:37:490
355199110,2cyclictest11299-21ssh11:13:120
355199110,2cyclictest0-21swapper/011:52:390
355199110,10cyclictest0-21swapper/012:12:100
355199110,10cyclictest0-21swapper/010:24:280
355599100,9cyclictest0-21swapper/307:43:433
355499107,2cyclictest0-21swapper/208:05:172
355499101,4cyclictest0-21swapper/207:25:012
355399108,1cyclictest0-21swapper/108:05:161
355199105,3cyclictest7684-21cron07:20:010
355199100,9cyclictest0-21swapper/011:26:180
355199100,6cyclictest0-21swapper/009:02:490
355199100,6cyclictest0-21swapper/007:22:230
35559996,2cyclictest26883-21fw_packets08:05:163
35559996,2cyclictest0-21swapper/309:00:183
35559990,8cyclictest31810-21kworker/u8:207:12:053
35549996,2cyclictest0-21swapper/207:45:092
35549993,4cyclictest15958-21sendmail09:00:002
35519994,3cyclictest32726-21df_abs08:20:130
35519994,3cyclictest30629-21grep08:15:130
35519994,3cyclictest14607-21cut07:35:140
35519994,3cyclictest10243-21tail08:45:110
35559983,3cyclictest18898-21cut09:05:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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