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2026-06-22 - 04:14

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 all highest latencies:
System rack3slot6s.osadl.org (updated Mon Jun 22, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11847211899,14sleep30-21swapper/319:09:073
11752211794,18sleep10-21swapper/119:07:521
11651211089,16sleep20-21swapper/219:06:332
11833210579,21sleep00-21swapper/019:08:550
118342790,1sleep1221ktimersoftd/123:11:441
254292510,1sleep30-21swapper/300:36:043
147042500,0sleep20-21swapper/222:05:072
183622250,0sleep20-21swapper/221:34:092
4602230,0sleep10-21swapper/123:35:131
1194799221,3cyclictest14583-21ssh21:30:113
1194799211,2cyclictest0-21swapper/319:35:123
1194699213,17cyclictest0-21swapper/221:10:112
1194799200,3cyclictest0-21swapper/321:49:033
1194799200,18cyclictest0-21swapper/321:50:133
1194599201,2cyclictest28046-21diskmemload21:30:111
1194499201,17cyclictest0-21swapper/022:55:110
1194799190,3cyclictest0-21swapper/322:53:043
1194799181,2cyclictest0-21swapper/320:37:043
1194799180,3cyclictest0-21swapper/323:34:013
1194699180,4cyclictest0-21swapper/222:11:042
11946991713,2cyclictest2554-21kworker/u8:100:25:042
11946991713,2cyclictest2554-21kworker/u8:100:25:042
1194599170,15cyclictest0-21swapper/121:20:131
1194499170,2cyclictest0-21swapper/021:10:110
1194799162,2cyclictest0-21swapper/319:40:053
1194799161,13cyclictest23391-21munin-run00:00:003
1194799160,4cyclictest0-21swapper/323:21:043
11946991612,2cyclictest10151-21kworker/u8:120:35:042
11946991611,3cyclictest0-21swapper/200:12:102
1194599164,10cyclictest3127-21nscd00:40:001
1194599161,3cyclictest0-21swapper/119:26:011
1194499161,3cyclictest20138-21munin-node0
1194799153,2cyclictest0-21swapper/320:26:043
1194799152,7cyclictest0-21swapper/322:00:013
1194799151,3cyclictest6220-21ntp_states22:30:183
1194799151,12cyclictest18773-21ssh00:30:033
1194799151,12cyclictest15676-21sh00:25:543
1194799151,12cyclictest15676-21sh00:25:543
11946991512,2cyclictest5492-21kworker/u8:122:18:042
11946991512,2cyclictest26036-21kworker/u8:221:45:042
11946991512,2cyclictest26036-21kworker/u8:221:44:042
1194699151,12cyclictest3351-21ssh21:52:252
1194699151,12cyclictest10859-21ssh22:35:192
1194699151,12cyclictest0-21swapper/221:06:032
11946991510,3cyclictest19187-21df00:30:122
1194699150,13cyclictest0-21swapper/222:50:362
1194499151,2cyclictest28046-21diskmemload21:30:180
1194499151,12cyclictest18787-21wget20:45:130
11944991510,3cyclictest32531-21ssh00:10:010
11947991411,2cyclictest0-21swapper/322:35:113
11947991411,2cyclictest0-21swapper/321:44:063
1194799140,2cyclictest0-21swapper/323:40:163
1194799140,12cyclictest37-21rcuc/323:35:173
1194799140,12cyclictest0-21swapper/323:26:563
1194799140,12cyclictest0-21swapper/323:08:373
1194699141,2cyclictest8483-21ssh21:57:552
11946991411,2cyclictest2554-21kworker/u8:100:18:032
11946991411,2cyclictest15835-21kworker/u8:220:41:042
11946991411,2cyclictest14267-21kworker/u8:023:53:032
11946991411,2cyclictest14092-21ssh22:40:002
11946991411,2cyclictest12324-21kworker/u8:219:41:042
1194699141,11cyclictest3707-21ssh23:38:232
1194699140,12cyclictest7003-21ssh23:06:252
1194699140,12cyclictest0-21swapper/222:23:252
1194699140,12cyclictest0-21swapper/222:02:552
1194699140,12cyclictest0-21swapper/221:16:022
1194699140,12cyclictest0-21swapper/221:16:022
1194599149,3cyclictest3649-21snmpd22:46:191
1194599148,5cyclictest0-21swapper/100:28:481
1194599148,5cyclictest0-21swapper/100:28:481
1194599144,8cyclictest19177-21aten2.4-expect23:55:121
1194599140,12cyclictest0-21swapper/123:20:131
1194599140,12cyclictest0-21swapper/123:15:171
11944991411,2cyclictest0-21swapper/019:41:020
11944991411,2cyclictest0-21swapper/000:08:510
11944991410,2cyclictest0-21swapper/000:21:010
11944991410,2cyclictest0-21swapper/000:21:010
1194499140,13cyclictest0-21swapper/023:11:020
98072130,2sleep128046-21diskmemload22:35:061
265652130,2sleep20-21swapper/223:28:052
1194799138,2cyclictest0-21swapper/323:16:473
1194799132,6cyclictest0-21swapper/322:50:003
11947991310,2cyclictest0-21swapper/322:00:463
11947991310,2cyclictest0-21swapper/321:10:113
1194799130,2cyclictest0-21swapper/323:50:433
1194799130,2cyclictest0-21swapper/320:50:183
1194799130,2cyclictest0-21swapper/300:20:393
1194799130,2cyclictest0-21swapper/300:20:393
1194799130,2cyclictest0-21swapper/300:14:153
1194799130,2cyclictest0-21swapper/300:05:183
1194799130,12cyclictest0-21swapper/323:00:153
1194799130,12cyclictest0-21swapper/321:18:363
1194799130,12cyclictest0-21swapper/321:18:363
1194699132,6cyclictest0-21swapper/221:30:002
11946991310,2cyclictest8187-21kworker/u8:223:13:042
11946991310,2cyclictest32045-21kworker/u8:220:04:012
11946991310,2cyclictest29835-21kworker/u8:121:35:042
11946991310,2cyclictest28046-21diskmemload23:00:042
11946991310,2cyclictest12324-21kworker/u8:219:33:042
11946991310,2cyclictest0-21swapper/223:30:102
11946991310,2cyclictest0-21swapper/222:57:352
11946991310,2cyclictest0-21swapper/222:28:532
11946991310,2cyclictest0-21swapper/221:21:142
11946991310,2cyclictest0-21swapper/220:55:182
11946991310,2cyclictest0-21swapper/220:51:012
11946991310,2cyclictest0-21swapper/219:45:192
11946991310,2cyclictest0-21swapper/219:10:552
11946991310,2cyclictest0-21swapper/200:22:532
11946991310,2cyclictest0-21swapper/200:22:532
11946991310,2cyclictest0-21swapper/200:06:352
1194699130,9cyclictest0-21swapper/222:31:042
1194699130,2cyclictest6124-21ntp_states23:40:182
1194699130,2cyclictest29-21rcuc/221:00:122
1194699130,2cyclictest0-21swapper/222:48:072
1194699130,2cyclictest0-21swapper/219:15:112
1194699130,12cyclictest0-21swapper/219:55:302
11945991310,2cyclictest28046-21diskmemload23:00:001
11945991310,2cyclictest0-21swapper/121:50:181
11945991310,2cyclictest0-21swapper/121:00:171
11945991310,2cyclictest0-21swapper/100:00:221
1194599130,2cyclictest0-21swapper/121:05:141
1194599130,11cyclictest0-21swapper/122:28:591
1194599130,11cyclictest0-21swapper/121:35:161
1194599130,11cyclictest0-21swapper/121:15:301
1194599130,11cyclictest0-21swapper/121:15:301
1194599130,11cyclictest0-21swapper/120:35:161
1194499139,2cyclictest9480-21awk20:21:020
1194499133,6cyclictest0-21swapper/023:36:300
1194499131,10cyclictest30831-21ssh21:46:530
11944991310,2cyclictest18480-21ssh22:09:420
11944991310,2cyclictest0-21swapper/023:55:150
11944991310,2cyclictest0-21swapper/023:42:310
11944991310,2cyclictest0-21swapper/023:17:040
11944991310,2cyclictest0-21swapper/022:35:120
11944991310,2cyclictest0-21swapper/021:55:110
11944991310,2cyclictest0-21swapper/021:35:180
11944991310,2cyclictest0-21swapper/021:21:510
11944991310,2cyclictest0-21swapper/021:16:110
11944991310,2cyclictest0-21swapper/021:16:110
11944991310,2cyclictest0-21swapper/020:55:170
11944991310,2cyclictest0-21swapper/000:29:320
11944991310,2cyclictest0-21swapper/000:29:310
1194499130,2cyclictest0-21swapper/022:50:000
1194499130,2cyclictest0-21swapper/022:17:000
1194499130,2cyclictest0-21swapper/020:30:190
1194499130,2cyclictest0-21swapper/019:45:000
1194499130,12cyclictest28046-21diskmemload21:52:010
1194499130,12cyclictest0-21swapper/023:26:320
1194499130,12cyclictest0-21swapper/019:26:020
1194499130,12cyclictest0-21swapper/000:38:450
1194499130,11cyclictest9776-21ssh21:25:010
1194499130,11cyclictest0-21swapper/022:30:320
1194499130,11cyclictest0-21swapper/022:01:100
1194499130,11cyclictest0-21swapper/021:44:340
1194499130,11cyclictest0-21swapper/000:01:040
202592120,1sleep10-21swapper/119:30:121
199562120,2sleep20-21swapper/223:20:242
1194799129,2cyclictest0-21swapper/323:49:063
1194799129,2cyclictest0-21swapper/323:10:043
1194799129,2cyclictest0-21swapper/322:56:163
1194799129,2cyclictest0-21swapper/322:40:183
1194799129,2cyclictest0-21swapper/322:19:583
1194799129,2cyclictest0-21swapper/322:08:493
1194799129,2cyclictest0-21swapper/300:15:123
1194799122,7cyclictest0-21swapper/319:57:593
1194799121,3cyclictest0-21swapper/322:22:303
1194799120,2cyclictest0-21swapper/321:25:583
1194799120,2cyclictest0-21swapper/300:00:573
1194799120,11cyclictest0-21swapper/320:30:173
1194699129,2cyclictest24005-21kworker/u8:119:54:042
1194699129,2cyclictest12324-21kworker/u8:219:22:012
1194699129,2cyclictest10151-21kworker/u8:120:33:042
1194699129,2cyclictest0-21swapper/223:45:062
1194699129,2cyclictest0-21swapper/223:15:132
1194699129,2cyclictest0-21swapper/200:37:052
1194699122,7cyclictest0-21swapper/220:46:022
1194699120,2cyclictest0-21swapper/223:56:202
1194699120,11cyclictest0-21swapper/220:11:042
1194699120,11cyclictest0-21swapper/219:25:122
1194699120,11cyclictest0-21swapper/200:01:572
1194599129,2cyclictest0-21swapper/123:50:171
1194599129,2cyclictest0-21swapper/120:50:131
1194599128,2cyclictest28049-21munin-run19:50:001
1194599121,9cyclictest28046-21diskmemload22:05:131
1194599121,9cyclictest28046-21diskmemload00:05:201
1194599121,9cyclictest22103-21kworker/1:122:55:121
1194599121,9cyclictest0-21swapper/123:46:031
1194599121,9cyclictest0-21swapper/122:15:161
1194599121,9cyclictest0-21swapper/100:30:141
1194599121,6cyclictest0-21swapper/120:25:001
1194599120,3cyclictest0-21swapper/120:01:011
1194599120,2cyclictest0-21swapper/122:30:301
1194599120,2cyclictest0-21swapper/120:55:401
1194599120,11cyclictest0-21swapper/121:10:151
1194599120,11cyclictest0-21swapper/119:35:181
1194599120,11cyclictest0-21swapper/100:20:131
1194599120,11cyclictest0-21swapper/100:20:131
1194499129,2cyclictest0-21swapper/023:52:220
1194499129,2cyclictest0-21swapper/019:55:010
1194499129,2cyclictest0-21swapper/000:17:170
1194499128,2cyclictest20244-21ssh00:30:490
1194499121,6cyclictest0-21swapper/020:05:000
1194499120,2cyclictest0-21swapper/022:23:170
1194499120,11cyclictest0-21swapper/023:05:130
1194499120,11cyclictest0-21swapper/023:00:180
1194499120,11cyclictest0-21swapper/022:40:090
1194499120,11cyclictest0-21swapper/022:25:150
1194499120,11cyclictest0-21swapper/020:50:170
1194499120,11cyclictest0-21swapper/020:15:010
1194499120,11cyclictest0-21swapper/019:50:150
1194499120,11cyclictest0-21swapper/019:36:040
1194499120,10cyclictest0-21swapper/022:52:250
110512120,1sleep00-21swapper/023:45:350
90362110,7sleep30-21swapper/321:24:093
1194799118,2cyclictest0-21swapper/322:26:173
1194799118,2cyclictest0-21swapper/321:35:583
1194799118,2cyclictest0-21swapper/319:11:073
1194799116,3cyclictest16610-21cut19:20:153
1194799110,10cyclictest0-21swapper/322:12:173
1194699118,2cyclictest24005-21kworker/u8:120:15:042
1194699118,2cyclictest0-21swapper/220:20:162
1194599118,2cyclictest0-21swapper/122:50:111
1194599118,2cyclictest0-21swapper/121:40:181
1194599118,2cyclictest0-21swapper/120:25:191
1194599118,2cyclictest0-21swapper/120:05:141
1194599118,2cyclictest0-21swapper/119:50:131
1194599118,2cyclictest0-21swapper/100:16:351
1194599118,2cyclictest0-21swapper/100:12:481
1194599117,2cyclictest5895-21fschecks_time21:55:131
1194599117,2cyclictest0-21swapper/119:55:071
1194599116,3cyclictest19315-21df22:10:131
1194599116,3cyclictest11714-21unixbench_multi21:26:021
1194599112,5cyclictest0-21swapper/119:15:001
1194599111,8cyclictest4872-21aten2.4-expect23:05:121
1194599111,8cyclictest4349-21df20:10:131
1194599111,8cyclictest14959-21iostat_ios22:40:161
1194599111,8cyclictest0-21swapper/122:00:121
1194599111,5cyclictest0-21swapper/119:40:001
1194599111,3cyclictest28941-21tune2fs21:45:141
1194599111,3cyclictest0-21swapper/123:30:141
1194599111,2cyclictest17356-21smartctl20:41:001
1194599110,9cyclictest0-21swapper/123:40:141
1194599110,9cyclictest0-21swapper/123:26:011
1194599110,9cyclictest0-21swapper/122:20:111
1194599110,9cyclictest0-21swapper/120:30:131
1194599110,9cyclictest0-21swapper/119:15:131
1194599110,3cyclictest0-21swapper/120:45:111
1194599110,3cyclictest0-21swapper/119:20:141
1194499118,2cyclictest0-21swapper/023:30:390
1194499111,5cyclictest0-21swapper/019:15:000
1194499110,9cyclictest0-21swapper/020:44:590
1194499110,10cyclictest0-21swapper/021:05:170
1194799107,2cyclictest0-21swapper/320:55:183
1194799105,3cyclictest0-21swapper/320:15:163
1194799103,3cyclictest8717-21hwlatdetect20:20:153
1194799101,6cyclictest39-21ksoftirqd/319:53:023
1194799101,2cyclictest12-21rcu_preempt20:06:563
1194799100,9cyclictest32045-21kworker/u8:220:02:013
1194699107,2cyclictest24005-21kworker/u8:120:09:042
1194699107,2cyclictest12324-21kworker/u8:219:36:042
1194599100,3cyclictest7021-21ps20:15:181
1194499107,2cyclictest0-21swapper/022:12:180
1194499107,2cyclictest0-21swapper/020:35:120
1194499101,7cyclictest0-21swapper/019:20:370
15243290,2sleep30-21swapper/319:16:003
119479994,3cyclictest3990-21aten2.4-expect20:10:123
119479994,3cyclictest3728-21runrttasks21:07:003
119479994,3cyclictest24532-21tr21:00:123
119479994,3cyclictest20839-21if_eth019:30:143
119479994,3cyclictest18678-21fschecks_time20:45:123
119479993,4cyclictest0-21swapper/320:40:593
119469991,6cyclictest0-21swapper/220:26:022
119449996,2cyclictest0-21swapper/019:30:580
119449994,3cyclictest4025-21telnet20:10:120
119449994,3cyclictest12423-21tr19:10:170
119449994,3cyclictest10566-21fschecks_count20:25:160
119479983,3cyclictest27552-21cat19:46:033
119479983,3cyclictest18300-21telnet19:25:123
119449983,3cyclictest692-21cat20:00:160
119449983,3cyclictest24870-21if_eth021:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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