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2026-06-06 - 04:20

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Sat Jun 06, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
125912110100,6sleep10-21swapper/119:07:361
10992210683,18sleep00-21swapper/019:05:110
12506210181,15sleep30-21swapper/319:06:293
10771210076,16sleep20-21swapper/219:05:012
94382760,0sleep00-21swapper/020:20:140
187312740,0sleep20-21swapper/221:32:322
130812600,0sleep20-21swapper/221:26:032
1280399300,19cyclictest0-21swapper/119:30:121
326152230,1sleep132617-21ntp_kernel_pll_22:20:171
1280499231,3cyclictest6674-21ssh23:35:092
1280399210,17cyclictest0-21swapper/121:06:051
12805992017,2cyclictest4486-21kworker/u8:120:52:053
1280499200,18cyclictest0-21swapper/219:45:112
1280399201,2cyclictest0-21swapper/100:15:111
1280399200,15cyclictest0-21swapper/123:08:051
12802992017,2cyclictest0-21swapper/021:00:100
12802992017,2cyclictest0-21swapper/020:50:110
12805991916,2cyclictest7611-21kworker/u8:221:57:053
12805991916,2cyclictest28638-21kworker/u8:121:08:043
1280399190,2cyclictest0-21swapper/119:40:101
1280399190,15cyclictest0-21swapper/121:51:051
1280599183,2cyclictest0-21swapper/323:29:053
1280599182,2cyclictest0-21swapper/300:39:043
12805991815,2cyclictest728-21kworker/u8:020:14:023
12805991815,2cyclictest6427-21kworker/u8:022:32:053
12805991815,2cyclictest4618-21kworker/u8:019:13:053
12805991815,2cyclictest4486-21kworker/u8:120:56:063
12805991815,2cyclictest4486-21kworker/u8:120:26:053
12805991815,2cyclictest28715-21kworker/u8:021:44:013
12805991815,2cyclictest26305-21kworker/u8:023:22:053
12805991815,2cyclictest15142-21kworker/u8:122:17:053
12805991815,2cyclictest14652-21kworker/u8:119:54:053
12805991815,2cyclictest14652-21kworker/u8:119:32:043
12805991815,2cyclictest12586-21kworker/u8:222:39:053
1280499181,15cyclictest0-21swapper/220:35:132
304562170,0sleep30-21swapper/321:10:333
12805991714,2cyclictest5712-21kworker/u8:023:12:023
12805991714,2cyclictest4486-21kworker/u8:120:47:053
12805991714,2cyclictest4486-21kworker/u8:120:08:053
12805991714,2cyclictest26305-21kworker/u8:023:41:053
12805991714,2cyclictest26305-21kworker/u8:023:38:053
12805991714,2cyclictest24564-21kworker/u8:021:01:053
12805991714,2cyclictest23181-21kworker/u8:220:04:053
12805991714,2cyclictest20228-21kworker/u8:222:08:043
12805991714,2cyclictest14652-21kworker/u8:119:48:053
12805991714,2cyclictest14652-21kworker/u8:119:38:053
12805991714,2cyclictest10237-21kworker/u8:221:38:053
12805991714,2cyclictest10237-21kworker/u8:221:24:053
12804991714,2cyclictest26305-21kworker/u8:023:59:052
12804991714,2cyclictest24987-21kworker/u8:122:47:042
12804991714,2cyclictest23300-21kworker/u8:200:01:042
12804991714,2cyclictest13751-21kworker/u8:123:09:052
1280399170,2cyclictest28905-21diskmemload21:14:051
1280399170,2cyclictest0-21swapper/120:58:041
1280399170,16cyclictest0-21swapper/122:53:051
1280599163,2cyclictest28905-21diskmemload22:00:053
1280599162,2cyclictest0-21swapper/322:20:063
12805991613,2cyclictest8157-21kworker/u8:100:21:053
12805991613,2cyclictest8157-21kworker/u8:100:11:043
12805991613,2cyclictest4486-21kworker/u8:120:20:043
12805991613,2cyclictest29853-21kworker/u8:100:03:053
12805991613,2cyclictest28715-21kworker/u8:021:50:023
12805991613,2cyclictest26305-21kworker/u8:023:46:043
12805991613,2cyclictest24987-21kworker/u8:122:57:043
12805991613,2cyclictest20262-21kworker/u8:200:34:053
12805991613,2cyclictest14694-21kworker/u8:020:40:043
12805991613,2cyclictest14694-21kworker/u8:020:34:053
12805991613,2cyclictest14694-21kworker/u8:020:34:053
12805991613,2cyclictest14652-21kworker/u8:119:41:053
12805991613,2cyclictest13751-21kworker/u8:123:18:023
1280599161,13cyclictest17614-21perl19:20:143
1280599161,13cyclictest16915-21iostat_ios21:30:153
1280599160,2cyclictest0-21swapper/321:19:043
12804991613,2cyclictest3595-21kworker/u8:123:51:052
12804991613,2cyclictest26305-21kworker/u8:023:24:042
12804991613,2cyclictest20262-21kworker/u8:200:24:052
12804991613,2cyclictest14652-21kworker/u8:119:52:022
12804991613,2cyclictest14652-21kworker/u8:119:14:052
1280499161,2cyclictest28905-21diskmemload23:29:052
1280499160,14cyclictest0-21swapper/220:45:112
1280499160,11cyclictest0-21swapper/222:07:052
1280399160,2cyclictest0-21swapper/122:56:021
1280399160,2cyclictest0-21swapper/122:02:051
1280399160,2cyclictest0-21swapper/121:17:051
1280399160,15cyclictest0-21swapper/123:03:051
1280399160,15cyclictest0-21swapper/122:45:041
1280299161,13cyclictest28905-21diskmemload23:50:150
12802991611,3cyclictest0-21swapper/020:15:160
1280299161,13cyclictest0-21swapper/019:10:150
1280599152,1cyclictest11310-21ssh21:25:053
12805991512,2cyclictest26305-21kworker/u8:023:55:053
12805991512,2cyclictest23181-21kworker/u8:219:58:013
1280599150,3cyclictest23036-21users23:51:033
1280599150,2cyclictest0-21swapper/322:42:053
1280599150,2cyclictest0-21swapper/322:11:053
1280499151,3cyclictest27265-21ssh22:15:142
12804991512,2cyclictest7611-21kworker/u8:222:01:052
12804991512,2cyclictest728-21kworker/u8:020:13:042
12804991512,2cyclictest5712-21kworker/u8:023:02:022
12804991512,2cyclictest4486-21kworker/u8:120:43:042
12804991512,2cyclictest24564-21kworker/u8:021:11:052
12804991512,2cyclictest23300-21kworker/u8:200:15:052
12804991512,2cyclictest18808-21kworker/u8:019:25:052
1280499150,2cyclictest0-21swapper/200:39:042
1280499150,10cyclictest0-21swapper/222:44:052
1280499150,10cyclictest0-21swapper/220:57:052
1280499150,10cyclictest0-21swapper/219:35:052
1280399150,4cyclictest0-21swapper/122:37:051
1280399150,2cyclictest0-21swapper/121:44:061
1280399150,13cyclictest28905-21diskmemload23:16:581
1280399150,13cyclictest0-21swapper/100:28:481
1280299151,8cyclictest19870-21copy23:14:590
1280299151,12cyclictest20127-21apt-get23:15:120
1280299150,3cyclictest6658-21munin-node0
1280299150,13cyclictest18852-21sh00:20:290
1280299150,13cyclictest0-21swapper/023:25:170
1280299150,13cyclictest0-21swapper/021:37:510
199412140,3sleep10-21swapper/100:21:361
1280599141,2cyclictest0-21swapper/322:29:053
12805991411,2cyclictest562-21ssh21:47:213
12805991411,2cyclictest0-21swapper/300:25:093
1280599140,2cyclictest0-21swapper/323:30:053
1280599140,2cyclictest0-21swapper/320:39:053
1280599140,2cyclictest0-21swapper/320:19:053
1280499141,7cyclictest0-21swapper/221:20:012
12804991411,2cyclictest5093-21kworker/u8:121:21:052
12804991411,2cyclictest3595-21kworker/u8:123:33:052
12804991411,2cyclictest28361-21kworker/u8:100:32:052
12804991411,2cyclictest23181-21kworker/u8:220:07:052
12804991411,2cyclictest17146-21kworker/u8:221:02:052
12804991411,2cyclictest15303-21kworker/u8:323:14:052
12804991411,2cyclictest15142-21kworker/u8:122:28:022
1280499141,11cyclictest0-21swapper/220:30:372
1280499141,11cyclictest0-21swapper/220:30:372
1280499140,2cyclictest0-21swapper/223:15:042
1280499140,2cyclictest0-21swapper/222:35:142
1280499140,2cyclictest0-21swapper/222:20:052
1280499140,13cyclictest0-21swapper/221:53:052
1280399149,4cyclictest0-21swapper/123:36:051
1280399142,11cyclictest0-21swapper/122:07:101
12803991411,2cyclictest0-21swapper/121:45:171
1280399140,3cyclictest15725-21ssh21:29:471
1280399140,12cyclictest0-21swapper/123:50:571
1280399140,12cyclictest0-21swapper/123:46:291
1280299142,6cyclictest0-21swapper/019:35:000
12802991410,2cyclictest28905-21diskmemload22:00:320
1280299140,3cyclictest19824-21sh23:48:310
1280299140,3cyclictest0-21swapper/020:35:190
1280299140,3cyclictest0-21swapper/020:04:590
1280299140,12cyclictest3649-21snmpd21:40:510
1280299140,12cyclictest0-21swapper/022:50:110
152392130,2sleep00-21swapper/023:43:510
1280599138,3cyclictest0-21swapper/322:46:023
12805991310,2cyclictest6427-21kworker/u8:022:54:053
12805991310,2cyclictest23300-21kworker/u8:200:08:063
12805991310,2cyclictest14808-21kworker/u8:000:18:023
1280599130,2cyclictest0-21swapper/319:17:053
1280599130,11cyclictest0-21swapper/323:05:453
1280599130,11cyclictest0-21swapper/323:00:053
1280499139,2cyclictest29772-21ssh22:50:552
1280499138,3cyclictest734-21munin-node2
12804991310,2cyclictest28715-21kworker/u8:021:59:042
12804991310,2cyclictest28715-21kworker/u8:021:49:052
12804991310,2cyclictest2613-21kworker/u8:000:06:052
12804991310,2cyclictest10747-21kworker/u8:220:25:052
12804991310,2cyclictest0-21swapper/219:30:112
1280499130,2cyclictest21951-21packagekitd22:10:042
1280499130,2cyclictest0-21swapper/200:27:032
1280499130,12cyclictest0-21swapper/222:57:132
1280499130,12cyclictest0-21swapper/221:41:042
12803991310,2cyclictest4486-21kworker/u8:120:16:051
12803991310,2cyclictest28905-21diskmemload23:24:591
12803991310,2cyclictest14694-21kworker/u8:020:36:051
12803991310,2cyclictest0-21swapper/123:42:471
12803991310,2cyclictest0-21swapper/121:32:071
12803991310,2cyclictest0-21swapper/119:15:141
1280399130,3cyclictest28042-21cut22:15:301
1280399130,2cyclictest0-21swapper/121:20:271
1280399130,2cyclictest0-21swapper/100:31:291
1280399130,12cyclictest0-21swapper/122:44:481
1280399130,12cyclictest0-21swapper/121:59:051
1280399130,11cyclictest0-21swapper/122:25:081
1280299139,2cyclictest16692-21sh00:19:010
1280299132,6cyclictest0-21swapper/021:50:000
1280299132,6cyclictest0-21swapper/021:15:010
12802991310,2cyclictest0-21swapper/022:56:220
12802991310,2cyclictest0-21swapper/022:43:590
12802991310,2cyclictest0-21swapper/021:25:090
12802991310,2cyclictest0-21swapper/021:21:490
12802991310,2cyclictest0-21swapper/020:45:120
12802991310,2cyclictest0-21swapper/020:25:380
12802991310,2cyclictest0-21swapper/000:34:000
1280299130,3cyclictest0-21swapper/022:10:450
1280299130,2cyclictest0-21swapper/023:55:160
1280299130,2cyclictest0-21swapper/022:48:340
1280299130,12cyclictest0-21swapper/023:31:120
1280299130,11cyclictest30177-21ntpq21:10:170
1280299130,11cyclictest25176-21cpu23:20:140
1280299130,11cyclictest0-21swapper/022:25:120
1280299130,11cyclictest0-21swapper/019:45:110
1280499129,2cyclictest0-21swapper/223:47:042
1280499129,2cyclictest0-21swapper/222:31:152
1280499129,2cyclictest0-21swapper/221:35:142
1280499122,7cyclictest0-21swapper/221:09:582
1280499120,2cyclictest0-21swapper/219:55:172
1280499120,11cyclictest0-21swapper/223:40:362
1280499120,11cyclictest0-21swapper/200:11:242
1280399129,2cyclictest0-21swapper/123:30:171
1280399129,2cyclictest0-21swapper/122:31:281
1280399129,2cyclictest0-21swapper/120:07:281
1280399129,2cyclictest0-21swapper/100:01:261
1280399121,9cyclictest8990-21munin-node1
1280399120,2cyclictest0-21swapper/123:12:221
1280399120,2cyclictest0-21swapper/100:06:011
1280399120,11cyclictest0-21swapper/123:55:071
1280399120,11cyclictest0-21swapper/123:26:181
1280399120,11cyclictest0-21swapper/121:38:491
1280399120,11cyclictest0-21swapper/100:35:381
1280399120,11cyclictest0-21swapper/100:10:171
1280299129,2cyclictest0-21swapper/023:05:390
1280299129,2cyclictest0-21swapper/021:45:170
1280299129,2cyclictest0-21swapper/020:55:140
1280299129,2cyclictest0-21swapper/019:15:130
1280299129,2cyclictest0-21swapper/000:02:110
1280299127,3cyclictest22813-21df_abs00:25:120
1280299121,6cyclictest0-21swapper/021:10:010
1280299120,2cyclictest0-21swapper/023:02:090
1280299120,2cyclictest0-21swapper/022:15:390
1280299120,2cyclictest0-21swapper/021:32:110
1280299120,2cyclictest0-21swapper/019:26:050
1280299120,2cyclictest0-21swapper/000:10:160
1280299120,11cyclictest0-21swapper/022:35:160
1280299120,11cyclictest0-21swapper/022:30:320
1280299120,11cyclictest0-21swapper/022:20:320
1280299120,11cyclictest0-21swapper/022:05:010
1280299120,11cyclictest0-21swapper/021:56:390
1280299120,11cyclictest0-21swapper/020:35:010
1280299120,11cyclictest0-21swapper/020:35:000
1280299120,11cyclictest0-21swapper/000:35:090
1280299120,11cyclictest0-21swapper/000:05:140
1280499116,3cyclictest16440-21unixbench_singl19:16:032
1280499112,6cyclictest0-21swapper/220:52:592
1280499110,2cyclictest0-21swapper/220:23:042
1280399118,2cyclictest12189-21sort20:26:011
1280399118,2cyclictest0-21swapper/120:30:121
1280399118,2cyclictest0-21swapper/120:30:111
1280399111,8cyclictest19067-21apt-get19:25:111
1280399110,9cyclictest30917-21apt-get19:55:061
1280399110,9cyclictest0-21swapper/119:51:031
1280399110,9cyclictest0-21swapper/119:20:111
1280399110,2cyclictest0-21swapper/122:10:341
1280299112,5cyclictest30962-21copy19:55:010
1280299111,6cyclictest0-21swapper/020:40:380
1280299110,10cyclictest0-21swapper/019:36:030
1280599107,2cyclictest0-21swapper/319:25:143
1280499105,3cyclictest7897-21proc_pri20:15:182
1280499100,6cyclictest0-21swapper/219:40:262
1280399107,2cyclictest734-21munin-node1
1280399107,2cyclictest0-21swapper/120:40:141
1280399106,2cyclictest0-21swapper/120:51:021
1280399100,8cyclictest23663-21which19:35:141
1280399100,2cyclictest0-21swapper/120:10:171
1280399100,2cyclictest0-21swapper/119:10:131
1280299105,3cyclictest0-21swapper/019:40:130
128049994,3cyclictest0-21swapper/219:20:122
128039990,8cyclictest0-21swapper/119:45:161
128039990,7cyclictest0-21swapper/120:45:111
128039990,2cyclictest0-21swapper/121:00:101
128029994,3cyclictest6336-21grep20:11:020
128029994,3cyclictest2756-21gdbus20:05:050
128029983,3cyclictest29972-21grep19:50:170
128029983,3cyclictest0-21swapper/019:20:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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