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2026-06-24 - 01:43

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 Wed Jun 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15712117106,6sleep20-21swapper/219:06:422
10982117106,6sleep00-21swapper/019:05:470
1073821150,0sleep30-21swapper/319:30:133
1788211195,11sleep30-21swapper/319:09:313
181829978,6sleep10-21swapper/119:09:531
7802930,0sleep20-21swapper/222:02:392
117592750,0sleep00-21swapper/000:00:450
104612720,0sleep20-21swapper/222:49:292
185799300,2cyclictest0-21swapper/323:30:103
185499290,27cyclictest0-21swapper/000:15:110
238582250,0sleep20-21swapper/200:14:582
185799221,19cyclictest940-21ssh00:25:113
185799221,19cyclictest19798-21apt-get23:00:063
185799221,12cyclictest0-21swapper/323:55:173
185799220,4cyclictest22832-21ntp_kernel_pll_21:15:193
185799220,3cyclictest1104-21aten2.4_r3power20:30:133
185599220,2cyclictest0-21swapper/123:10:121
185799210,3cyclictest2791-21cat23:51:033
185799210,3cyclictest0-21swapper/323:11:033
185599211,18cyclictest0-21swapper/100:05:151
185799200,3cyclictest8280-21timerwakeupswit22:46:033
185799200,3cyclictest24808-21ssh22:29:313
185799200,3cyclictest20389-21munin-node3
185799200,3cyclictest11540-21ssh00:35:433
185799200,3cyclictest10954-21rm21:38:243
185799200,3cyclictest0-21swapper/323:25:193
185799200,3cyclictest0-21swapper/323:15:153
185799200,3cyclictest0-21swapper/322:19:233
185799200,3cyclictest0-21swapper/322:05:153
185799200,3cyclictest0-21swapper/321:26:073
185799200,3cyclictest0-21swapper/321:20:593
185799200,3cyclictest0-21swapper/321:05:513
185799200,3cyclictest0-21swapper/320:25:153
185799200,3cyclictest0-21swapper/300:20:513
185799200,3cyclictest0-21swapper/300:15:153
185799200,2cyclictest12031-21awk22:50:193
185799200,2cyclictest0-21swapper/322:56:463
185799200,2cyclictest0-21swapper/322:40:113
185799200,2cyclictest0-21swapper/321:47:353
185799200,2cyclictest0-21swapper/320:50:193
185799200,12cyclictest9287-21ssh23:23:093
185499200,18cyclictest0-21swapper/023:50:120
185499200,18cyclictest0-21swapper/000:35:110
185799190,3cyclictest19218-21ssh22:22:473
185799190,3cyclictest11182-21ssh22:14:193
185799190,3cyclictest0-21swapper/300:14:473
185799190,2cyclictest22856-21fschecks_count20:00:153
185799190,2cyclictest17106-21diskmemload21:31:043
185799190,2cyclictest10460-21aten2.4-expect00:00:133
185799190,2cyclictest0-21swapper/323:42:593
185799190,2cyclictest0-21swapper/322:35:113
185799190,2cyclictest0-21swapper/322:01:233
185799190,2cyclictest0-21swapper/321:58:023
185799190,2cyclictest0-21swapper/320:56:033
185799190,2cyclictest0-21swapper/300:32:393
185799190,12cyclictest0-21swapper/321:11:053
185799180,2cyclictest13573-21ssh21:40:393
185799180,2cyclictest0-21swapper/323:45:393
185799180,2cyclictest0-21swapper/323:38:313
185799180,2cyclictest0-21swapper/323:05:233
185799180,2cyclictest0-21swapper/300:06:393
185599180,2cyclictest0-21swapper/123:30:101
225152170,1sleep00-21swapper/000:12:440
185799170,2cyclictest0-21swapper/322:32:153
185799170,2cyclictest0-21swapper/321:52:033
185799170,2cyclictest0-21swapper/320:20:313
185699171,13cyclictest0-21swapper/223:05:182
1855991714,2cyclictest739-21kworker/u8:023:18:051
1855991714,2cyclictest5767-21kworker/u8:319:18:041
1855991714,2cyclictest5722-21kworker/u8:100:32:051
1855991714,2cyclictest31038-21kworker/u8:121:33:041
1855991714,2cyclictest28820-21kworker/u8:122:09:041
1855991714,2cyclictest24487-21kworker/u8:222:42:011
1855991714,2cyclictest24420-21kworker/u8:123:48:011
1855991714,2cyclictest22112-21kworker/u8:022:04:041
1855991714,2cyclictest16256-21kworker/u8:122:24:051
1855991714,2cyclictest14401-21kworker/u8:119:48:011
1855991714,2cyclictest11015-21kworker/u8:022:34:011
1855991714,2cyclictest10594-21kworker/u8:021:42:041
185799160,2cyclictest0-21swapper/320:15:113
1856991612,2cyclictest23038-21kworker/u8:223:04:012
1856991611,3cyclictest0-21swapper/223:29:312
1855991613,2cyclictest8829-21kworker/u8:221:10:041
1855991613,2cyclictest8045-21kworker/u8:219:37:041
1855991613,2cyclictest31570-21kworker/u8:200:04:011
1855991613,2cyclictest31038-21kworker/u8:121:49:051
1855991613,2cyclictest28820-21kworker/u8:122:11:051
1855991613,2cyclictest23796-21kworker/u8:021:20:011
1855991613,2cyclictest20722-21kworker/u8:200:27:041
1855991613,2cyclictest20722-21kworker/u8:200:12:051
1855991613,2cyclictest18025-21kworker/u8:020:07:041
1855991613,2cyclictest18025-21kworker/u8:019:59:041
185599161,2cyclictest3728-21runrttasks20:27:041
185799154,9cyclictest7678-21unixbench_multi19:21:023
185799154,9cyclictest2489-21cut19:10:133
185799151,4cyclictest6232-21wc19:20:003
185799151,4cyclictest5790-21tr20:40:153
185799151,4cyclictest4977-21cron20:40:003
185799151,12cyclictest15365-21cut19:40:183
1856991512,2cyclictest23796-21kworker/u8:021:20:052
185699151,12cyclictest3897-21rm23:16:572
185699151,12cyclictest0-21swapper/222:19:032
185699151,12cyclictest0-21swapper/221:05:152
1856991510,3cyclictest1001-21apt20:30:132
1856991510,3cyclictest0-21swapper/221:12:352
185699150,3cyclictest0-21swapper/223:15:002
185699150,3cyclictest0-21swapper/220:26:042
185699150,13cyclictest0-21swapper/222:36:422
185699150,13cyclictest0-21swapper/219:55:002
1855991512,2cyclictest8829-21kworker/u8:220:59:041
1855991512,2cyclictest5767-21kworker/u8:319:22:041
1855991512,2cyclictest5027-21kworker/u8:222:18:041
1855991512,2cyclictest4369-21kworker/u8:122:45:041
1855991512,2cyclictest31570-21kworker/u8:223:59:041
1855991512,2cyclictest29607-21kworker/u8:020:42:011
1855991512,2cyclictest28820-21kworker/u8:121:58:041
1855991512,2cyclictest24487-21kworker/u8:222:37:041
1855991512,2cyclictest23796-21kworker/u8:021:28:041
1855991512,2cyclictest23796-21kworker/u8:021:17:041
1855991512,2cyclictest22139-21kworker/u8:121:01:041
1855991512,2cyclictest22139-21kworker/u8:120:54:041
1855991512,2cyclictest22139-21kworker/u8:120:34:041
1855991512,2cyclictest22139-21kworker/u8:120:17:041
1855991512,2cyclictest20722-21kworker/u8:200:19:041
1855991512,2cyclictest1540-21kworker/u8:119:12:051
1855991512,2cyclictest11422-21kworker/u8:023:28:051
1854991511,2cyclictest0-21swapper/021:30:150
1854991510,3cyclictest17106-21diskmemload00:20:030
185799143,9cyclictest7245-21aten2.4_r3power20:45:123
185799143,9cyclictest26157-21hostname20:10:133
185799143,9cyclictest26157-21hostname20:10:133
185799141,4cyclictest0-21swapper/319:45:153
185799141,3cyclictest8362-21aten2.4_r3power19:25:133
185799141,3cyclictest24518-21cut20:05:133
185799141,3cyclictest13325-21taskset21:00:113
185799141,3cyclictest0-21swapper/319:50:113
185799141,3cyclictest0-21swapper/319:35:123
1856991411,2cyclictest0-21swapper/219:45:012
1856991411,2cyclictest0-21swapper/200:20:512
185699141,11cyclictest18291-21ssh21:45:592
185699140,9cyclictest0-21swapper/222:44:042
185699140,2cyclictest0-21swapper/222:23:312
185699140,12cyclictest0-21swapper/221:50:242
185699140,12cyclictest0-21swapper/219:20:172
185699140,12cyclictest0-21swapper/200:37:022
1855991411,2cyclictest8045-21kworker/u8:219:27:041
1855991411,2cyclictest22139-21kworker/u8:120:47:041
1855991411,2cyclictest22139-21kworker/u8:120:20:041
1855991411,2cyclictest18025-21kworker/u8:019:52:041
1855991411,2cyclictest16871-21kworker/u8:221:51:041
1855991411,2cyclictest11422-21kworker/u8:023:37:041
1855991411,2cyclictest11015-21kworker/u8:022:51:041
1855991411,2cyclictest10594-21kworker/u8:021:38:041
1855991410,2cyclictest19798-21apt-get23:00:051
1854991411,2cyclictest0-21swapper/022:24:080
1854991411,2cyclictest0-21swapper/022:04:380
1854991411,2cyclictest0-21swapper/019:25:150
185499140,2cyclictest0-21swapper/021:20:380
185499140,13cyclictest0-21swapper/021:55:080
185499140,13cyclictest0-21swapper/021:10:190
185499140,13cyclictest0-21swapper/019:35:190
185499140,12cyclictest4547-21df19:15:130
185499140,12cyclictest0-21swapper/023:15:190
185499140,12cyclictest0-21swapper/022:56:030
121142142,9sleep012119-21cron19:35:000
185699139,2cyclictest0-21swapper/220:45:182
1856991310,2cyclictest6563-21kworker/u8:000:15:042
1856991310,2cyclictest15236-21apt-get23:30:092
1856991310,2cyclictest11015-21kworker/u8:022:31:042
1856991310,2cyclictest0-21swapper/223:55:302
1856991310,2cyclictest0-21swapper/223:50:182
1856991310,2cyclictest0-21swapper/223:24:122
1856991310,2cyclictest0-21swapper/222:51:312
1856991310,2cyclictest0-21swapper/221:25:452
1856991310,2cyclictest0-21swapper/221:16:242
1856991310,2cyclictest0-21swapper/219:15:002
1856991310,2cyclictest0-21swapper/200:03:332
185699130,2cyclictest0-21swapper/219:30:012
185699130,1cyclictest0-21swapper/222:10:302
185699130,12cyclictest6532-21ssh21:33:102
185699130,12cyclictest0-21swapper/223:47:322
185699130,12cyclictest0-21swapper/221:56:502
185699130,12cyclictest0-21swapper/219:10:172
1855991310,2cyclictest32487-21kworker/u8:000:36:011
1855991310,2cyclictest24420-21kworker/u8:123:50:041
1855991310,2cyclictest0-21swapper/123:09:591
185599130,2cyclictest0-21swapper/100:20:131
185599130,12cyclictest0-21swapper/120:11:011
185599130,12cyclictest0-21swapper/120:11:011
185499139,3cyclictest750-21apt-get20:30:050
185499131,2cyclictest24055-21ssh22:28:120
1854991310,2cyclictest8426-21ssh23:21:380
1854991310,2cyclictest17106-21diskmemload21:47:200
1854991310,2cyclictest0-21swapper/023:26:050
1854991310,2cyclictest0-21swapper/021:40:220
1854991310,2cyclictest0-21swapper/021:28:300
1854991310,2cyclictest0-21swapper/021:05:140
1854991310,2cyclictest0-21swapper/019:55:180
1854991310,2cyclictest0-21swapper/019:20:150
1854991310,2cyclictest0-21swapper/000:28:390
185499130,2cyclictest0-21swapper/023:35:180
185499130,2cyclictest0-21swapper/023:10:200
185499130,2cyclictest0-21swapper/020:50:190
185499130,2cyclictest0-21swapper/020:15:580
185499130,2cyclictest0-21swapper/020:10:150
185499130,2cyclictest0-21swapper/020:10:150
185499130,2cyclictest0-21swapper/000:33:080
185499130,12cyclictest0-21swapper/022:45:120
185499130,12cyclictest0-21swapper/022:13:480
185499130,11cyclictest0-21swapper/023:45:100
185499130,11cyclictest0-21swapper/022:35:300
185499130,11cyclictest0-21swapper/019:50:110
185699129,2cyclictest17031-21kworker/u8:122:58:052
185699129,2cyclictest14401-21kworker/u8:119:41:042
185699129,2cyclictest0-21swapper/223:35:162
185699129,2cyclictest0-21swapper/221:35:512
185699129,2cyclictest0-21swapper/220:15:132
185699129,2cyclictest0-21swapper/200:30:062
185699122,7cyclictest0-21swapper/221:41:582
185699122,7cyclictest0-21swapper/220:57:022
185699122,7cyclictest0-21swapper/220:39:012
185699122,7cyclictest0-21swapper/220:05:002
185699120,2cyclictest0-21swapper/223:44:092
185699120,2cyclictest0-21swapper/200:25:042
185699120,11cyclictest0-21swapper/222:26:212
185699120,11cyclictest0-21swapper/222:05:162
185699120,11cyclictest0-21swapper/220:10:182
185699120,11cyclictest0-21swapper/220:10:172
185699120,11cyclictest0-21swapper/200:05:202
185599129,2cyclictest22139-21kworker/u8:120:04:051
185599129,2cyclictest17031-21kworker/u8:122:56:011
185599129,2cyclictest0-21swapper/122:25:161
185599123,2cyclictest0-21swapper/119:30:041
185599120,2cyclictest0-21swapper/123:42:401
185599120,2cyclictest0-21swapper/121:06:021
185599120,2cyclictest0-21swapper/120:35:191
185599120,11cyclictest0-21swapper/119:41:021
185499129,2cyclictest24612-21ssh21:17:250
185499129,2cyclictest0-21swapper/023:55:070
185499129,2cyclictest0-21swapper/022:15:160
185499129,2cyclictest0-21swapper/022:05:360
185499129,2cyclictest0-21swapper/021:36:410
185499129,2cyclictest0-21swapper/000:06:310
185499122,7cyclictest0-21swapper/022:30:010
185499122,7cyclictest0-21swapper/020:49:590
185499122,7cyclictest0-21swapper/020:04:590
185499120,2cyclictest0-21swapper/023:05:010
185499120,2cyclictest0-21swapper/022:50:120
185499120,11cyclictest17106-21diskmemload22:40:120
185499120,11cyclictest0-21swapper/023:40:390
185499120,11cyclictest0-21swapper/023:30:080
185499120,11cyclictest0-21swapper/023:00:070
185499120,11cyclictest0-21swapper/021:51:180
185699118,2cyclictest22139-21kworker/u8:120:08:012
185699110,10cyclictest0-21swapper/219:25:512
185599118,2cyclictest0-21swapper/123:21:491
185499110,9cyclictest22139-21kworker/u8:120:29:040
185499110,10cyclictest11402-21kworker/u8:019:42:010
185699108,1cyclictest0-21swapper/220:50:422
185699107,2cyclictest8829-21kworker/u8:221:04:012
185699107,2cyclictest8045-21kworker/u8:219:56:042
185699100,9cyclictest0-21swapper/219:36:392
185499107,2cyclictest0-21swapper/020:22:420
185499100,9cyclictest0-21swapper/021:00:420
185499100,7cyclictest0-21swapper/020:56:580
18569994,3cyclictest5717-21grep20:40:142
18569994,3cyclictest30523-21fschecks_count20:20:312
18549992,6cyclictest0-21swapper/019:14:590
18549983,3cyclictest5279-21aten2.4-expect20:40:120
18549983,3cyclictest3330-21grep20:35:130
18549982,4cyclictest0-21swapper/020:06:000
18549973,3cyclictest3127-21nscd19:45:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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