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2026-09-05 - 08:15

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 Sat Sep 05, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166012121110,6sleep10-21swapper/119:06:221
16875211389,19sleep00-21swapper/019:09:530
16737210688,13sleep20-21swapper/219:08:072
1613629785,6sleep30-21swapper/319:05:393
261082780,0sleep10-21swapper/122:40:111
77242710,0sleep10-21swapper/122:21:041
14642570,1sleep30-21swapper/323:53:003
189832300,0sleep00-21swapper/000:10:180
189832300,0sleep00-21swapper/000:10:170
219172270,1sleep30-21swapper/323:08:323
136202250,1sleep30-21swapper/323:32:173
16914992320,2cyclictest8955-21kworker/u8:000:38:042
16914992320,2cyclictest5288-21kworker/u8:000:04:042
1691499220,18cyclictest0-21swapper/222:39:042
244662210,1sleep30-21swapper/323:10:313
1691499211,18cyclictest0-21swapper/223:30:062
1691399212,2cyclictest0-21swapper/120:46:041
1691399210,19cyclictest0-21swapper/121:20:111
16914992017,2cyclictest29330-21kworker/u8:221:37:042
16914992017,2cyclictest28245-21kworker/u8:100:20:062
16914992017,2cyclictest28245-21kworker/u8:100:20:062
16914992017,2cyclictest21664-21kworker/u8:122:03:042
16914991916,2cyclictest5823-21kworker/u8:022:51:042
16914991916,2cyclictest27032-21kworker/u8:222:19:052
1691499190,2cyclictest0-21swapper/223:27:042
1691499190,17cyclictest0-21swapper/223:49:052
16911991916,2cyclictest5823-21kworker/u8:022:39:050
16914991815,2cyclictest5823-21kworker/u8:023:13:042
16914991815,2cyclictest5288-21kworker/u8:000:08:052
16914991815,2cyclictest30306-21kworker/u8:200:32:052
245022170,0sleep00-21swapper/022:05:280
1691599179,6cyclictest23225-21kworker/3:222:38:583
16914991714,2cyclictest3483-21kworker/u8:021:48:042
16914991714,2cyclictest29330-21kworker/u8:221:50:052
16914991714,2cyclictest21451-21kworker/u8:223:18:042
1691499170,16cyclictest0-21swapper/222:10:042
16911991714,2cyclictest21451-21kworker/u8:223:30:050
16911991714,2cyclictest21451-21kworker/u8:223:27:040
16915991612,2cyclictest0-21swapper/300:33:553
1691599161,13cyclictest0-21swapper/321:55:233
16914991613,2cyclictest28245-21kworker/u8:123:55:052
16914991613,2cyclictest17222-21kworker/u8:019:17:052
1691499161,13cyclictest29411-21cpuspeed_turbos21:00:112
1691499160,14cyclictest0-21swapper/200:11:052
1691499160,14cyclictest0-21swapper/200:11:042
1691599151,12cyclictest18565-21diskstats00:10:153
1691599151,12cyclictest18565-21diskstats00:10:143
16915991510,3cyclictest24939-21ssh23:44:253
16915991510,3cyclictest21639-21iostat_ios21:30:163
1691599150,3cyclictest0-21swapper/321:43:353
1691599150,13cyclictest29815-21hddtemp_smartct19:40:143
16914991512,2cyclictest9190-21kworker/u8:220:16:052
16914991512,2cyclictest19163-21kworker/u8:120:54:052
16914991512,2cyclictest17222-21kworker/u8:019:20:042
16914991512,2cyclictest0-21swapper/223:40:172
1691499151,12cyclictest3728-21runrttasks23:39:232
1691499151,12cyclictest0-21swapper/223:01:582
1691499150,3cyclictest4832-21ssh21:13:422
1691499150,2cyclictest0-21swapper/200:25:042
1691399156,2cyclictest16909-21cyclictest23:39:051
16911991512,2cyclictest8955-21kworker/u8:000:34:050
3592140,3sleep0410-21latency_hist23:19:590
1691599149,3cyclictest0-21swapper/322:45:153
16915991411,2cyclictest0-21swapper/322:50:153
16915991411,2cyclictest0-21swapper/300:25:443
1691599140,3cyclictest0-21swapper/323:39:303
1691599140,12cyclictest8042-21ssh21:16:063
1691599140,12cyclictest0-21swapper/322:30:173
1691599140,12cyclictest0-21swapper/321:35:133
1691599140,12cyclictest0-21swapper/300:04:113
16914991411,2cyclictest5823-21kworker/u8:022:25:042
16914991411,2cyclictest540-21diskmemload21:41:482
16914991411,2cyclictest29330-21kworker/u8:221:06:052
16914991411,2cyclictest17222-21kworker/u8:019:45:042
16914991411,2cyclictest17222-21kworker/u8:019:34:012
16914991411,2cyclictest0-21swapper/223:05:582
16914991410,2cyclictest20630-21latency_hist22:35:002
1691499140,2cyclictest0-21swapper/222:59:052
1691499140,2cyclictest0-21swapper/200:15:082
1691499140,2cyclictest0-21swapper/200:15:072
1691499140,13cyclictest0-21swapper/222:21:382
1691499140,13cyclictest0-21swapper/222:09:482
1691499140,13cyclictest0-21swapper/221:17:082
1691499140,12cyclictest0-21swapper/223:23:552
1691499140,12cyclictest0-21swapper/222:45:112
1691399149,3cyclictest27032-21kworker/u8:222:18:041
1691399149,3cyclictest0-21swapper/121:01:011
16913991411,2cyclictest28245-21kworker/u8:100:28:051
16913991411,2cyclictest0-21swapper/121:57:471
16913991411,2cyclictest0-21swapper/121:40:171
16913991411,2cyclictest0-21swapper/120:05:171
16913991411,2cyclictest0-21swapper/100:04:081
1691399140,2cyclictest0-21swapper/121:26:061
1691399140,12cyclictest540-21diskmemload23:05:261
1691399140,12cyclictest3501-21aten2.4_r3power21:45:121
1691399140,12cyclictest28916-21iostat23:15:141
1691399140,12cyclictest0-21swapper/123:30:021
1691399140,12cyclictest0-21swapper/120:55:151
16911991411,2cyclictest3483-21kworker/u8:022:10:050
16911991411,2cyclictest10848-21kworker/u8:023:49:050
1691199140,3cyclictest22492-21ssh23:09:220
1691199140,12cyclictest9787-21ssh22:23:540
1691199140,12cyclictest11696-21sendmail-mta00:05:260
1691199140,12cyclictest0-21swapper/022:55:110
1691199140,12cyclictest0-21swapper/022:50:110
1691199140,12cyclictest0-21swapper/020:01:010
1691199140,12cyclictest0-21swapper/000:36:370
312782130,1sleep0101ktimersoftd/021:05:120
234492130,2sleep10-21swapper/122:36:591
1691599138,3cyclictest28027-21ssh22:41:243
1691599138,3cyclictest19439-21ps22:00:183
1691599138,3cyclictest11049-21diskstats00:35:123
1691599132,7cyclictest0-21swapper/321:00:003
1691599131,10cyclictest19757-21ssh21:28:453
16915991310,2cyclictest0-21swapper/323:45:253
16915991310,2cyclictest0-21swapper/323:20:133
16915991310,2cyclictest0-21swapper/322:23:413
16915991310,2cyclictest0-21swapper/322:06:353
16915991310,2cyclictest0-21swapper/321:53:463
16915991310,2cyclictest0-21swapper/321:45:013
16915991310,2cyclictest0-21swapper/321:00:123
16915991310,2cyclictest0-21swapper/320:45:293
16915991310,2cyclictest0-21swapper/320:15:143
16915991310,2cyclictest0-21swapper/300:06:043
1691599130,2cyclictest540-21diskmemload22:14:333
1691599130,2cyclictest0-21swapper/300:23:453
1691599130,2cyclictest0-21swapper/300:23:443
1691599130,12cyclictest0-21swapper/323:03:423
1691599130,12cyclictest0-21swapper/322:25:343
1691599130,12cyclictest0-21swapper/321:20:133
1691599130,12cyclictest0-21swapper/321:10:093
1691599130,11cyclictest22791-21copy00:15:053
1691599130,11cyclictest22791-21copy00:15:043
16914991310,2cyclictest567-21kworker/u8:220:00:052
16914991310,2cyclictest567-21kworker/u8:219:53:052
16914991310,2cyclictest17222-21kworker/u8:019:41:052
16914991310,2cyclictest0-21swapper/221:31:512
1691499130,2cyclictest540-21diskmemload23:51:192
1691499130,2cyclictest0-21swapper/222:42:132
1691499130,2cyclictest0-21swapper/221:23:042
1691499130,12cyclictest0-21swapper/221:58:032
1691499130,12cyclictest0-21swapper/221:25:322
1691399138,3cyclictest540-21diskmemload22:25:121
1691399134,7cyclictest8015-21sh23:26:191
1691399134,7cyclictest0-21swapper/120:35:141
16913991310,2cyclictest540-21diskmemload00:05:261
16913991310,2cyclictest0-21swapper/122:50:111
16913991310,2cyclictest0-21swapper/122:32:061
16913991310,2cyclictest0-21swapper/100:23:581
16913991310,2cyclictest0-21swapper/100:23:571
1691399130,2cyclictest3143-21apt-get23:55:111
1691399130,2cyclictest0-21swapper/123:43:261
1691399130,2cyclictest0-21swapper/122:45:551
1691399130,12cyclictest0-21swapper/123:53:591
1691399130,12cyclictest0-21swapper/121:36:061
1691399130,12cyclictest0-21swapper/100:35:171
1691399130,12cyclictest0-21swapper/100:32:481
1691399130,11cyclictest0-21swapper/123:01:051
1691199139,3cyclictest13246-21ssh21:21:270
16911991310,2cyclictest30306-21kworker/u8:200:25:040
16911991310,2cyclictest18120-21ssh22:31:290
16911991310,2cyclictest0-21swapper/023:40:140
16911991310,2cyclictest0-21swapper/023:35:070
16911991310,2cyclictest0-21swapper/023:24:060
16911991310,2cyclictest0-21swapper/023:14:390
16911991310,2cyclictest0-21swapper/022:40:160
16911991310,2cyclictest0-21swapper/022:25:120
16911991310,2cyclictest0-21swapper/021:57:290
16911991310,2cyclictest0-21swapper/020:05:180
16911991310,2cyclictest0-21swapper/019:55:150
1691199130,2cyclictest0-21swapper/023:01:060
1691199130,2cyclictest0-21swapper/021:45:120
1691199130,2cyclictest0-21swapper/020:25:140
1691199130,12cyclictest0-21swapper/021:51:080
1691199130,12cyclictest0-21swapper/021:34:470
1691199130,12cyclictest0-21swapper/021:29:280
1691199130,12cyclictest0-21swapper/019:25:150
1691199130,12cyclictest0-21swapper/000:23:490
1691199130,12cyclictest0-21swapper/000:23:480
1691199130,11cyclictest0-21swapper/020:10:180
237422120,1sleep121-21rcuc/123:10:141
1691599129,2cyclictest0-21swapper/323:55:053
1691599129,2cyclictest0-21swapper/323:15:243
1691599123,6cyclictest0-21swapper/319:21:013
1691599122,7cyclictest0-21swapper/320:31:013
1691599120,2cyclictest0-21swapper/320:36:043
1691599120,11cyclictest0-21swapper/323:26:433
1691599120,11cyclictest0-21swapper/322:55:113
1691599120,11cyclictest0-21swapper/322:15:263
1691599120,11cyclictest0-21swapper/320:25:193
1691599120,11cyclictest0-21swapper/319:55:123
1691599120,11cyclictest0-21swapper/319:35:113
1691499129,2cyclictest15099-21kworker/u8:220:39:042
1691499129,2cyclictest15099-21kworker/u8:220:30:052
1691499129,2cyclictest15099-21kworker/u8:220:28:052
1691499120,2cyclictest0-21swapper/220:05:052
1691499120,11cyclictest0-21swapper/220:55:112
1691399129,2cyclictest0-21swapper/123:21:361
1691399129,2cyclictest0-21swapper/119:16:171
1691399129,2cyclictest0-21swapper/100:16:291
1691399129,2cyclictest0-21swapper/100:16:281
1691399129,2cyclictest0-21swapper/100:12:131
1691399129,2cyclictest0-21swapper/100:12:121
1691399127,3cyclictest0-21swapper/119:45:121
1691399122,5cyclictest0-21swapper/122:05:011
1691399121,9cyclictest0-21swapper/119:40:131
1691399121,3cyclictest0-21swapper/122:00:161
1691399120,2cyclictest0-21swapper/121:51:261
1691399120,2cyclictest0-21swapper/121:30:061
1691399120,2cyclictest0-21swapper/121:10:021
1691399120,2cyclictest0-21swapper/119:25:071
1691399120,2cyclictest0-21swapper/119:20:141
1691399120,11cyclictest0-21swapper/123:46:071
1691399120,11cyclictest0-21swapper/122:55:021
1691399120,11cyclictest0-21swapper/122:10:131
1691399120,11cyclictest0-21swapper/120:25:151
1691399120,10cyclictest0-21swapper/121:15:181
1691199129,2cyclictest0-21swapper/022:45:010
1691199129,2cyclictest0-21swapper/022:15:120
1691199129,2cyclictest0-21swapper/021:15:010
1691199129,2cyclictest0-21swapper/020:50:110
1691199129,2cyclictest0-21swapper/000:15:530
1691199129,2cyclictest0-21swapper/000:15:530
1691199129,2cyclictest0-21swapper/000:00:590
1691199120,11cyclictest0-21swapper/023:55:360
1691199120,11cyclictest0-21swapper/023:50:580
1691199120,11cyclictest0-21swapper/022:00:230
1691199120,11cyclictest0-21swapper/021:44:530
1691199120,11cyclictest0-21swapper/021:35:130
1691199120,11cyclictest0-21swapper/019:40:160
1691199120,11cyclictest0-21swapper/019:35:100
1691199120,10cyclictest0-21swapper/021:11:240
1691499118,2cyclictest19163-21kworker/u8:120:43:052
1691499118,2cyclictest0-21swapper/219:13:172
1691499110,10cyclictest0-21swapper/220:23:472
1691399112,5cyclictest0-21swapper/120:15:001
1691399111,8cyclictest0-21swapper/119:10:141
1691399110,9cyclictest25640-21fschecks_count20:50:151
1691399110,9cyclictest17222-21kworker/u8:019:35:041
1691399110,10cyclictest0-21swapper/121:05:571
1691399110,10cyclictest0-21swapper/120:30:121
1691199110,10cyclictest0-21swapper/021:01:010
1691599107,2cyclictest0-21swapper/319:26:013
1691599105,3cyclictest9878-21head20:10:183
1691599105,3cyclictest6661-21sendmail-mta20:05:053
1691599105,3cyclictest4079-1kworker/3:1H20:23:583
1691599102,7cyclictest0-21swapper/320:40:023
1691599100,9cyclictest0-21swapper/319:45:253
1691599100,1cyclictest0-21swapper/319:16:093
1691499108,1cyclictest0-21swapper/219:55:592
1691499107,2cyclictest9190-21kworker/u8:220:12:042
1691499107,2cyclictest0-21swapper/219:25:452
1691499100,2cyclictest0-21swapper/219:36:112
1691399107,2cyclictest0-21swapper/120:40:181
1691399107,2cyclictest0-21swapper/119:30:111
1691399106,3cyclictest13093-21munin-node1
1691399102,2cyclictest0-21swapper/120:00:131
1691399101,5cyclictest0-21swapper/119:55:011
1691399100,9cyclictest799-21apt-get19:50:111
1691399100,3cyclictest0-21swapper/120:15:141
1691199107,2cyclictest0-21swapper/020:55:050
1691199107,2cyclictest0-21swapper/020:23:490
1691199107,2cyclictest0-21swapper/019:45:120
1691199100,9cyclictest0-21swapper/020:35:460
1691199100,9cyclictest0-21swapper/019:12:330
1691199100,2cyclictest2770-21latency_hist19:55:010
169159996,2cyclictest0-21swapper/319:30:123
169159994,3cyclictest6422-21unixbench_singl20:01:033
169159994,3cyclictest31533-21df_abs21:05:133
169159994,3cyclictest26844-21chrt20:53:373
169159993,4cyclictest1317-21cut19:50:143
169149994,3cyclictest23437-21tr20:45:122
169119996,2cyclictest0-21swapper/020:42:590
169119990,8cyclictest19168-21apt-get19:15:140
169119990,8cyclictest0-21swapper/019:24:240
169119990,2cyclictest0-21swapper/020:15:410
169159983,3cyclictest17490-21sed19:10:123
169119985,2cyclictest23161-21apt-get20:45:120
169119983,3cyclictest17361-21cpuspeed_turbos20:30:120
169119980,7cyclictest0-21swapper/019:33:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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