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2026-04-05 - 05:45

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 Sun Apr 05, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5583211396,12sleep30-21swapper/319:09:153
5505211294,12sleep20-21swapper/219:08:142
5337210885,18sleep00-21swapper/019:06:050
3741210796,6sleep10-21swapper/119:05:051
240962800,1sleep30-21swapper/322:54:433
209272780,1sleep20-21swapper/200:31:382
268542700,1sleep20-21swapper/221:50:132
567199360,18cyclictest0-21swapper/219:20:102
567199330,2cyclictest0-21swapper/222:45:132
5669992715,10cyclictest29916-21ssh21:20:120
567199268,1cyclictest0-21swapper/219:45:102
566999241,12cyclictest6610-21sh23:10:000
5669992312,9cyclictest26212-21munin-run21:50:000
566999229,3cyclictest0-21swapper/000:23:190
566999211,18cyclictest0-21swapper/021:15:120
566999210,2cyclictest0-21swapper/023:50:200
566999210,2cyclictest0-21swapper/022:35:400
566999209,2cyclictest0-21swapper/022:08:070
566999209,2cyclictest0-21swapper/000:28:370
566999207,3cyclictest20046-21sh21:42:540
566999207,3cyclictest20046-21sh21:42:530
566999202,5cyclictest0-21swapper/022:20:000
5669992010,2cyclictest19902-21diskmemload22:58:050
566999200,2cyclictest0-21swapper/020:55:120
566999200,12cyclictest0-21swapper/022:27:110
566999199,2cyclictest19902-21diskmemload23:04:250
566999199,2cyclictest0-21swapper/023:21:240
566999199,2cyclictest0-21swapper/022:34:060
566999198,2cyclictest0-21swapper/019:40:120
566999190,2cyclictest0-21swapper/022:41:150
566999190,2cyclictest0-21swapper/000:08:090
566999190,12cyclictest0-21swapper/021:10:020
567199181,15cyclictest0-21swapper/221:44:042
567199181,15cyclictest0-21swapper/221:44:042
567199180,2cyclictest0-21swapper/221:00:122
566999182,7cyclictest0-21swapper/021:33:580
566999182,7cyclictest0-21swapper/021:33:580
566999181,6cyclictest0-21swapper/019:14:560
5669991811,6cyclictest0-21swapper/000:15:000
566999180,2cyclictest0-21swapper/020:20:130
566999180,11cyclictest0-21swapper/022:14:460
566999180,11cyclictest0-21swapper/000:39:050
5671991714,2cyclictest6561-21kworker/u8:220:39:042
5671991714,2cyclictest27816-21kworker/u8:023:04:052
5671991714,2cyclictest20133-21kworker/u8:023:57:042
5671991714,2cyclictest19622-21kworker/u8:120:10:042
5671991714,2cyclictest15250-21kworker/u8:219:44:052
566999179,2cyclictest0-21swapper/023:55:550
566999179,2cyclictest0-21swapper/022:03:570
566999179,2cyclictest0-21swapper/021:00:200
566999179,2cyclictest0-21swapper/000:00:130
566999177,2cyclictest0-21swapper/020:35:060
566999170,11cyclictest0-21swapper/023:39:380
566999170,11cyclictest0-21swapper/023:33:040
566999170,11cyclictest0-21swapper/023:06:170
566999170,11cyclictest0-21swapper/021:25:490
5671991613,2cyclictest5980-21kworker/u8:019:37:042
5671991613,2cyclictest5980-21kworker/u8:019:12:042
5671991613,2cyclictest30051-21kworker/u8:221:21:042
5671991613,2cyclictest28899-21kworker/u8:223:39:042
5671991613,2cyclictest2615-21kworker/u8:020:52:042
5671991613,2cyclictest19974-21kworker/u8:221:55:042
5671991613,2cyclictest19622-21kworker/u8:120:16:052
5671991613,2cyclictest19622-21kworker/u8:120:04:022
5671991612,2cyclictest19902-21diskmemload22:11:522
567199160,11cyclictest0-21swapper/222:57:042
567099161,13cyclictest0-21swapper/100:10:131
566999163,7cyclictest31134-21ssh21:55:000
566999160,7cyclictest0-21swapper/019:21:580
567299151,12cyclictest28578-21hddtemp_smartct22:25:133
567299151,12cyclictest0-21swapper/300:19:263
567299150,13cyclictest29654-21df20:10:123
567299150,13cyclictest19902-21diskmemload21:15:493
567299150,13cyclictest0-21swapper/321:51:013
567299150,13cyclictest0-21swapper/319:30:163
567299150,13cyclictest0-21swapper/300:00:293
5671991512,2cyclictest5980-21kworker/u8:019:26:052
5671991512,2cyclictest20133-21kworker/u8:000:04:042
5671991512,2cyclictest17669-21kworker/u8:021:09:052
5671991512,2cyclictest16564-21kworker/u8:022:22:042
5671991512,2cyclictest16564-21kworker/u8:022:15:042
567199150,2cyclictest0-21swapper/221:32:052
567199150,2cyclictest0-21swapper/221:32:042
567199150,13cyclictest31872-21ssh22:29:062
567199150,13cyclictest19902-21diskmemload23:50:142
567199150,13cyclictest0-21swapper/200:10:262
567199150,10cyclictest0-21swapper/219:30:042
567199150,10cyclictest0-21swapper/200:19:052
567099150,3cyclictest23550-21rm00:00:311
5669991512,2cyclictest0-21swapper/019:36:000
566999150,13cyclictest0-21swapper/023:25:140
5672991411,2cyclictest20814-21ssh23:24:583
5672991411,2cyclictest20272-21apt-get21:10:123
5672991411,2cyclictest0-21swapper/323:46:583
5672991411,2cyclictest0-21swapper/323:43:183
5672991411,2cyclictest0-21swapper/323:37:393
5672991411,2cyclictest0-21swapper/323:11:493
5672991411,2cyclictest0-21swapper/323:00:293
5672991411,2cyclictest0-21swapper/322:38:493
5672991411,2cyclictest0-21swapper/320:05:303
567299140,2cyclictest0-21swapper/323:15:133
567299140,13cyclictest0-21swapper/323:30:183
567299140,13cyclictest0-21swapper/322:48:393
567299140,13cyclictest0-21swapper/321:55:493
567299140,13cyclictest0-21swapper/321:45:093
567299140,13cyclictest0-21swapper/300:21:583
567299140,12cyclictest0-21swapper/321:35:133
5671991411,2cyclictest6561-21kworker/u8:220:43:052
5671991411,2cyclictest5980-21kworker/u8:019:58:042
5671991411,2cyclictest5980-21kworker/u8:019:17:052
5671991411,2cyclictest4975-21kworker/u8:200:23:042
5671991411,2cyclictest4599-21kworker/u8:122:04:042
5671991411,2cyclictest29062-21ssh00:06:062
5671991411,2cyclictest2864-21kworker/u8:223:08:042
5671991411,2cyclictest22028-21kworker/u8:122:50:042
5671991411,2cyclictest19622-21kworker/u8:120:26:042
5671991411,2cyclictest19622-21kworker/u8:120:23:042
5671991411,2cyclictest19622-21kworker/u8:120:09:052
5671991410,2cyclictest11671-21ssh22:40:562
567199140,9cyclictest0-21swapper/219:53:052
567199140,3cyclictest7171-21ssh23:10:142
567199140,2cyclictest3622-21ssh22:33:042
567199140,2cyclictest0-21swapper/221:38:452
567199140,13cyclictest0-21swapper/200:26:572
567099141,3cyclictest0-21swapper/122:31:241
5670991411,2cyclictest0-21swapper/123:40:141
5670991411,2cyclictest0-21swapper/120:00:181
567099141,11cyclictest0-21swapper/120:30:181
567099140,2cyclictest0-21swapper/121:58:521
567099140,12cyclictest19902-21diskmemload23:09:581
567099140,12cyclictest0-21swapper/123:13:591
567099140,12cyclictest0-21swapper/122:27:031
566999149,3cyclictest28839-21chrt21:51:350
566999142,6cyclictest0-21swapper/019:30:010
566999140,2cyclictest0-21swapper/023:48:200
566999140,12cyclictest0-21swapper/023:19:250
5672991310,2cyclictest2414-21taskset22:31:153
5672991310,2cyclictest0-21swapper/323:05:183
5672991310,2cyclictest0-21swapper/322:21:303
5672991310,2cyclictest0-21swapper/322:12:103
5672991310,2cyclictest0-21swapper/321:40:133
5672991310,2cyclictest0-21swapper/321:40:133
5672991310,2cyclictest0-21swapper/321:23:583
5672991310,2cyclictest0-21swapper/300:31:133
5672991310,2cyclictest0-21swapper/300:05:403
567299130,2cyclictest13269-21ssh23:50:143
567299130,2cyclictest0-21swapper/323:55:123
567299130,2cyclictest0-21swapper/323:25:493
567299130,12cyclictest0-21swapper/322:59:043
567299130,12cyclictest0-21swapper/322:16:193
567299130,12cyclictest0-21swapper/322:00:153
567299130,12cyclictest0-21swapper/320:35:153
567299130,12cyclictest0-21swapper/320:30:193
5671991310,2cyclictest2386-21kworker/u8:023:40:042
5671991310,2cyclictest0-21swapper/221:15:552
5671991310,2cyclictest0-21swapper/221:11:152
567199130,2cyclictest0-21swapper/220:45:132
567199130,1cyclictest0-21swapper/223:24:562
567199130,12cyclictest0-21swapper/223:17:262
567199130,12cyclictest0-21swapper/222:37:072
567199130,12cyclictest0-21swapper/222:08:042
567199130,12cyclictest0-21swapper/221:29:452
567199130,11cyclictest0-21swapper/221:45:122
567099139,2cyclictest7897-21cat21:30:181
567099139,2cyclictest7897-21cat21:30:171
567099131,3cyclictest0-21swapper/121:10:151
5670991310,2cyclictest26247-21ssh22:22:511
5670991310,2cyclictest19902-21diskmemload23:16:121
5670991310,2cyclictest0-21swapper/123:25:431
5670991310,2cyclictest0-21swapper/122:52:241
5670991310,2cyclictest0-21swapper/122:15:131
5670991310,2cyclictest0-21swapper/122:09:031
5670991310,2cyclictest0-21swapper/121:54:581
5670991310,2cyclictest0-21swapper/119:40:121
5670991310,2cyclictest0-21swapper/100:25:491
567099130,2cyclictest19902-21diskmemload00:31:531
567099130,2cyclictest19902-21diskmemload00:20:231
567099130,2cyclictest0-21swapper/123:56:021
567099130,2cyclictest0-21swapper/122:55:131
567099130,2cyclictest0-21swapper/122:41:131
567099130,2cyclictest0-21swapper/121:45:391
567099130,2cyclictest0-21swapper/121:37:021
567099130,2cyclictest0-21swapper/121:19:021
567099130,2cyclictest0-21swapper/121:01:011
567099130,2cyclictest0-21swapper/120:55:301
567099130,2cyclictest0-21swapper/100:37:331
567099130,2cyclictest0-21swapper/100:16:311
567099130,12cyclictest19902-21diskmemload23:54:341
567099130,12cyclictest19902-21diskmemload22:45:511
567099130,12cyclictest0-21swapper/123:45:181
567099130,12cyclictest0-21swapper/123:35:021
567099130,12cyclictest0-21swapper/122:37:321
567099130,12cyclictest0-21swapper/122:13:531
567099130,12cyclictest0-21swapper/121:41:341
567099130,12cyclictest0-21swapper/121:41:331
567099130,12cyclictest0-21swapper/121:27:001
567099130,12cyclictest0-21swapper/120:50:131
567099130,12cyclictest0-21swapper/100:07:131
566999132,6cyclictest0-21swapper/022:25:000
5669991310,2cyclictest0-21swapper/022:48:100
5669991310,2cyclictest0-21swapper/021:35:200
5669991310,2cyclictest0-21swapper/020:25:180
5669991310,2cyclictest0-21swapper/019:50:110
566999130,12cyclictest0-21swapper/023:42:570
566999130,12cyclictest0-21swapper/020:05:170
566999130,11cyclictest12068-21apt-get20:50:120
567299129,2cyclictest19902-21diskmemload22:40:133
567299129,2cyclictest0-21swapper/321:26:253
567299129,2cyclictest0-21swapper/320:45:163
567299120,2cyclictest0-21swapper/300:25:423
567299120,11cyclictest0-21swapper/322:05:173
567299120,11cyclictest0-21swapper/321:32:103
567299120,11cyclictest0-21swapper/321:32:093
567299120,11cyclictest0-21swapper/320:25:173
567299120,11cyclictest0-21swapper/320:15:163
567299120,11cyclictest0-21swapper/319:50:173
567299120,11cyclictest0-21swapper/319:45:123
567299120,11cyclictest0-21swapper/319:40:173
567299120,11cyclictest0-21swapper/300:37:203
567299120,11cyclictest0-21swapper/300:11:263
567199129,2cyclictest0-21swapper/223:28:282
567199120,11cyclictest0-21swapper/223:46:012
567199120,11cyclictest0-21swapper/223:32:072
567199120,11cyclictest0-21swapper/200:35:172
567099129,2cyclictest0-21swapper/123:21:511
567099121,9cyclictest7497-21munin-node1
567099121,9cyclictest0-21swapper/119:20:171
567099121,3cyclictest29345-21munin-node1
567099121,3cyclictest15549-21munin-node1
567099121,3cyclictest0-21swapper/121:20:131
567099120,2cyclictest0-21swapper/122:00:141
567099120,2cyclictest0-21swapper/120:25:131
567099120,11cyclictest0-21swapper/123:33:521
567099120,11cyclictest0-21swapper/123:00:021
567099120,11cyclictest0-21swapper/119:45:521
566999129,2cyclictest0-21swapper/022:52:470
566999129,2cyclictest0-21swapper/019:56:050
566999122,7cyclictest0-21swapper/020:47:580
566999121,8cyclictest0-21swapper/019:48:010
566999120,2cyclictest0-21swapper/020:15:170
566999120,2cyclictest0-21swapper/000:33:400
566999120,11cyclictest0-21swapper/000:10:170
567299118,2cyclictest0-21swapper/319:35:133
567299117,3cyclictest14975-21ntpq20:55:173
567099118,2cyclictest0-21swapper/120:35:171
567099117,2cyclictest0-21swapper/120:50:001
567099116,3cyclictest0-21swapper/120:15:131
567099111,8cyclictest23306-21apt-get19:55:111
567099110,9cyclictest13542-21munin-node1
567099110,1cyclictest0-21swapper/120:05:161
567099110,10cyclictest0-21swapper/121:05:131
566999118,2cyclictest0-21swapper/021:06:010
566999111,6cyclictest0-21swapper/020:30:110
113112110,2sleep10-21swapper/119:25:001
567299107,2cyclictest0-21swapper/321:05:303
567299107,2cyclictest0-21swapper/319:10:163
567099105,3cyclictest519-21munin-node1
567099105,3cyclictest22149-21tr19:50:171
567099100,9cyclictest5880-21munin-node1
567099100,8cyclictest0-21swapper/120:40:101
566999107,2cyclictest0-21swapper/020:10:150
47382100,2sleep20-21swapper/220:30:082
56729992,2cyclictest0-21swapper/321:00:133
56729990,8cyclictest0-21swapper/320:20:183
56719994,3cyclictest14727-21if_eth020:55:152
56699996,2cyclictest0-21swapper/020:00:130
56699994,3cyclictest7896-21entropy19:15:140
56699994,3cyclictest12485-21processes19:25:170
12028290,5sleep311865-21copy20:50:033
56729984,3cyclictest11319-21latency_hist19:25:003
56729983,3cyclictest3688-21Xorg19:58:583
56729983,3cyclictest25348-21aten2.4_r3power20:00:123
56729980,2cyclictest0-21swapper/320:40:013
56699983,3cyclictest8441-21cut20:40:090
56729974,2cyclictest381ktimersoftd/319:15:113
56729974,2cyclictest11852-21df_abs19:25:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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