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2026-07-09 - 15:35

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 Thu Jul 09, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8776211087,18sleep00-21swapper/007:10:000
1058921100,1sleep30-21swapper/310:01:043
8540210796,6sleep30-21swapper/307:06:583
2338421050,1sleep123383-21munin-node1
8740210089,6sleep20-21swapper/207:09:342
874429979,14sleep10-21swapper/107:09:371
22312740,0sleep00-21swapper/009:19:590
51822710,0sleep10-21swapper/110:30:111
880499300,2cyclictest0-21swapper/108:30:111
880499276,19cyclictest0-21swapper/110:45:111
8804992717,9cyclictest0-21swapper/111:20:091
880699255,18cyclictest0-21swapper/311:20:093
273422220,0sleep10-21swapper/109:11:031
880699210,19cyclictest0-21swapper/309:30:113
880699200,2cyclictest0-21swapper/310:30:103
8803991815,2cyclictest15769-21kworker/u8:212:23:050
880399171,14cyclictest0-21swapper/010:33:030
880699161,13cyclictest3728-21runrttasks11:37:363
880699161,13cyclictest18730-21ssh10:44:353
880699160,14cyclictest0-21swapper/310:50:163
880599161,13cyclictest21529-21munin-run09:40:012
880599161,13cyclictest0-21swapper/210:30:002
880599161,13cyclictest0-21swapper/209:53:142
880499169,2cyclictest31465-21apt-get09:50:121
69532160,1sleep30-21swapper/311:05:163
880699151,12cyclictest21521-21apt-get09:40:063
880699151,12cyclictest16777-21ssh11:50:133
8806991510,3cyclictest24499-21ssh10:15:593
8806991510,3cyclictest21377-21apt-get07:40:123
8805991512,2cyclictest20207-21kworker/u8:107:40:052
8805991512,2cyclictest17133-21kworker/u8:207:35:042
880599150,2cyclictest25106-21diskmemload12:23:042
8804991512,2cyclictest0-21swapper/112:20:131
8804991510,3cyclictest0-21swapper/112:37:051
880499150,13cyclictest9210-21sh12:15:191
880499150,13cyclictest0-21swapper/111:55:091
8803991512,2cyclictest14213-21unixbench_singl09:31:020
880399151,12cyclictest29570-21apt-get11:30:060
880399150,2cyclictest11-21rcuc/010:15:130
880699149,3cyclictest23641-21cut07:45:123
880699149,3cyclictest0-21swapper/312:00:153
880699142,7cyclictest0-21swapper/310:40:003
880699142,7cyclictest0-21swapper/310:15:013
880699142,7cyclictest0-21swapper/309:50:013
880699141,2cyclictest12520-21ssh11:11:043
8806991411,2cyclictest6671-21ssh12:12:553
8806991411,2cyclictest0-21swapper/309:53:543
880699140,3cyclictest943-21ssh11:33:303
880699140,3cyclictest22617-21ssh12:30:103
880699140,2cyclictest0-21swapper/312:19:363
880699140,2cyclictest0-21swapper/310:20:173
880699140,2cyclictest0-21swapper/308:26:053
880699140,13cyclictest9896-21ssh11:42:163
880699140,12cyclictest29812-21ssh10:55:183
8805991411,2cyclictest26669-21kworker/u8:210:37:052
880599140,12cyclictest5948-21diskmemload11:38:352
880599140,12cyclictest0-21swapper/210:49:052
880599140,12cyclictest0-21swapper/207:15:162
880499149,3cyclictest16746-21ssh10:41:261
880499143,9cyclictest13856-21sed11:46:031
8804991411,2cyclictest0-21swapper/108:40:121
880499141,11cyclictest27879-21cut09:45:311
8804991410,2cyclictest0-21swapper/111:00:131
880499140,12cyclictest207150irq/24-eth107:35:501
880499140,12cyclictest0-21swapper/112:10:011
880499140,12cyclictest0-21swapper/111:50:081
880499140,12cyclictest0-21swapper/111:40:221
880499140,12cyclictest0-21swapper/110:25:201
880499140,12cyclictest0-21swapper/110:11:121
880499140,12cyclictest0-21swapper/108:55:101
8803991411,2cyclictest0-21swapper/010:42:130
8803991411,2cyclictest0-21swapper/010:38:030
8803991411,2cyclictest0-21swapper/009:50:330
8803991411,2cyclictest0-21swapper/009:00:130
8803991410,2cyclictest0-21swapper/008:05:180
880399140,13cyclictest0-21swapper/011:41:540
880399140,13cyclictest0-21swapper/008:55:130
880399140,12cyclictest0-21swapper/010:51:050
8806991310,2cyclictest30551-21ssh12:37:573
8806991310,2cyclictest0-21swapper/312:20:173
8806991310,2cyclictest0-21swapper/311:55:103
8806991310,2cyclictest0-21swapper/311:17:063
8806991310,2cyclictest0-21swapper/310:47:433
8806991310,2cyclictest0-21swapper/310:27:103
8806991310,2cyclictest0-21swapper/310:08:173
8806991310,2cyclictest0-21swapper/309:37:253
8806991310,2cyclictest0-21swapper/308:16:053
8806991310,2cyclictest0-21swapper/307:51:013
880699130,2cyclictest0-21swapper/312:25:213
880699130,2cyclictest0-21swapper/311:27:123
880699130,2cyclictest0-21swapper/309:55:503
880699130,2cyclictest0-21swapper/309:22:373
880699130,2cyclictest0-21swapper/309:22:363
880699130,2cyclictest0-21swapper/307:35:013
880699130,12cyclictest0-21swapper/311:03:123
880699130,12cyclictest0-21swapper/309:11:143
8805991310,2cyclictest32287-21ssh12:05:342
8805991310,2cyclictest30230-21apt-get09:15:122
8805991310,2cyclictest21371-21kworker/u8:009:10:052
8805991310,2cyclictest11849-21kworker/u8:110:10:022
8805991310,2cyclictest0-21swapper/212:26:352
8805991310,2cyclictest0-21swapper/211:20:442
8805991310,2cyclictest0-21swapper/210:04:542
8805991310,2cyclictest0-21swapper/208:00:102
880599130,2cyclictest25106-21diskmemload11:13:442
880599130,2cyclictest25106-21diskmemload09:26:052
880599130,2cyclictest25106-21diskmemload09:26:052
880599130,2cyclictest13519-21ssh09:30:332
880599130,2cyclictest0-21swapper/211:50:042
880599130,2cyclictest0-21swapper/209:45:182
880599130,12cyclictest27399-21ssh10:19:572
880599130,12cyclictest0-21swapper/212:15:132
880599130,12cyclictest0-21swapper/211:56:432
880599130,12cyclictest0-21swapper/210:40:442
880599130,12cyclictest0-21swapper/209:40:282
880599130,12cyclictest0-21swapper/209:20:542
880599130,12cyclictest0-21swapper/209:20:532
880599130,12cyclictest0-21swapper/208:55:142
880499138,3cyclictest0-21swapper/110:36:341
8804991310,2cyclictest25106-21diskmemload10:05:481
8804991310,2cyclictest0-21swapper/109:20:561
8804991310,2cyclictest0-21swapper/109:20:551
8804991310,2cyclictest0-21swapper/108:20:301
880499130,2cyclictest25106-21diskmemload10:02:511
880499130,2cyclictest0-21swapper/112:07:071
880499130,2cyclictest0-21swapper/110:56:461
880499130,2cyclictest0-21swapper/110:20:011
880499130,2cyclictest0-21swapper/108:50:291
880499130,12cyclictest0-21swapper/112:29:021
880499130,12cyclictest0-21swapper/112:02:251
880499130,11cyclictest0-21swapper/109:30:281
880499130,11cyclictest0-21swapper/109:00:201
8803991310,2cyclictest29493-21kworker/u8:112:10:040
8803991310,2cyclictest25106-21diskmemload10:22:520
8803991310,2cyclictest0-21swapper/012:36:200
8803991310,2cyclictest0-21swapper/012:15:040
8803991310,2cyclictest0-21swapper/012:03:020
8803991310,2cyclictest0-21swapper/011:57:370
8803991310,2cyclictest0-21swapper/011:50:140
8803991310,2cyclictest0-21swapper/011:38:060
8803991310,2cyclictest0-21swapper/011:22:420
8803991310,2cyclictest0-21swapper/011:10:320
8803991310,2cyclictest0-21swapper/010:46:040
8803991310,2cyclictest0-21swapper/010:05:060
8803991310,2cyclictest0-21swapper/009:57:470
8803991310,2cyclictest0-21swapper/009:26:130
8803991310,2cyclictest0-21swapper/009:26:120
8803991310,2cyclictest0-21swapper/009:06:000
8803991310,2cyclictest0-21swapper/007:45:150
880399130,2cyclictest0-21swapper/011:26:140
880399130,2cyclictest0-21swapper/010:55:430
880399130,2cyclictest0-21swapper/009:40:060
880399130,12cyclictest18201-21ssh10:10:120
880399130,12cyclictest0-21swapper/012:30:170
880399130,12cyclictest0-21swapper/011:17:380
880399130,12cyclictest0-21swapper/011:05:110
880399130,12cyclictest0-21swapper/010:29:110
880399130,12cyclictest0-21swapper/009:38:230
880399130,12cyclictest0-21swapper/009:14:530
880399130,12cyclictest0-21swapper/007:15:130
880399130,11cyclictest19412-21ssh12:26:000
14622130,2sleep10-21swapper/109:18:491
99362120,2sleep00-21swapper/010:00:340
880699129,2cyclictest0-21swapper/309:16:193
880699129,2cyclictest0-21swapper/308:01:023
8806991210,1cyclictest0-21swapper/308:56:033
880699120,2cyclictest0-21swapper/311:45:103
880699120,2cyclictest0-21swapper/309:25:273
880699120,2cyclictest0-21swapper/309:25:263
880699120,11cyclictest0-21swapper/312:06:013
880699120,11cyclictest0-21swapper/308:45:183
880599129,2cyclictest21416-21kworker/u8:012:32:062
880599129,2cyclictest20207-21kworker/u8:107:46:042
880599120,2cyclictest0-21swapper/210:31:542
880599120,11cyclictest25106-21diskmemload11:40:252
880599120,11cyclictest0-21swapper/212:10:592
880599120,11cyclictest0-21swapper/211:26:242
880599120,11cyclictest0-21swapper/211:05:342
880599120,11cyclictest0-21swapper/210:23:252
880499129,2cyclictest21609-21copy09:40:021
880499129,2cyclictest0-21swapper/111:35:271
880499129,2cyclictest0-21swapper/110:16:101
880499129,2cyclictest0-21swapper/109:56:511
880499129,2cyclictest0-21swapper/108:15:141
880499129,2cyclictest0-21swapper/108:00:141
880499129,2cyclictest0-21swapper/107:40:141
880499129,2cyclictest0-21swapper/107:25:161
880499121,3cyclictest13053-21munin-node1
880499120,2cyclictest0-21swapper/111:25:471
880499120,2cyclictest0-21swapper/111:15:211
880499120,2cyclictest0-21swapper/109:36:091
880499120,2cyclictest0-21swapper/108:45:191
880499120,2cyclictest0-21swapper/107:45:291
880499120,2cyclictest0-21swapper/107:15:141
880499120,11cyclictest0-21swapper/111:30:011
880499120,11cyclictest0-21swapper/111:11:011
880499120,11cyclictest0-21swapper/111:05:221
880499120,11cyclictest0-21swapper/110:50:051
880499120,11cyclictest0-21swapper/109:25:121
880499120,11cyclictest0-21swapper/109:25:121
880499120,11cyclictest0-21swapper/109:05:171
880399129,2cyclictest0-21swapper/012:05:010
880399129,2cyclictest0-21swapper/009:46:040
880399129,2cyclictest0-21swapper/008:50:120
880399129,2cyclictest0-21swapper/008:10:130
880399120,11cyclictest0-21swapper/011:45:040
880399120,11cyclictest0-21swapper/011:01:460
36352120,2sleep03726-21ssh09:20:210
36352120,2sleep03726-21ssh09:20:210
313962120,2sleep20-21swapper/210:57:022
880699118,2cyclictest0-21swapper/309:05:163
880699118,2cyclictest0-21swapper/308:35:113
880699112,6cyclictest0-21swapper/308:41:013
880699111,6cyclictest0-21swapper/308:20:113
880599118,2cyclictest5401-21kworker/u8:009:56:052
880599118,2cyclictest29466-21kworker/u8:008:31:052
880599118,2cyclictest0-21swapper/212:02:052
880599118,2cyclictest0-21swapper/211:03:542
880599118,2cyclictest0-21swapper/208:40:002
880599110,2cyclictest0-21swapper/212:38:042
880599110,2cyclictest0-21swapper/208:20:182
880599110,10cyclictest0-21swapper/210:50:062
880499111,3cyclictest27402-21munin-node1
880499110,9cyclictest11228-21munin-node1
880499110,10cyclictest0-21swapper/107:10:171
880399118,2cyclictest20207-21kworker/u8:107:36:040
880399110,1cyclictest0-21swapper/008:15:160
880399110,10cyclictest0-21swapper/008:36:040
16042110,2sleep20-21swapper/211:34:342
142752110,2sleep20-21swapper/211:46:362
880699107,2cyclictest0-21swapper/307:10:153
880699105,3cyclictest28831-21unixbench_singl07:56:033
880699102,5cyclictest0-21swapper/307:16:013
880599107,2cyclictest29466-21kworker/u8:008:05:052
880599107,2cyclictest17133-21kworker/u8:207:34:052
880599103,6cyclictest0-21swapper/208:18:062
880599100,9cyclictest25106-21diskmemload10:09:312
880599100,9cyclictest0-21swapper/211:19:132
880499102,6cyclictest0-21swapper/108:27:501
880499100,8cyclictest17095-21munin-node1
880499100,8cyclictest0-21swapper/108:10:121
880499100,7cyclictest0-21swapper/107:51:591
880499100,3cyclictest31435-21munin-node1
880399100,8cyclictest0-21swapper/008:29:590
309312100,8sleep030932-21sshd08:01:230
248942100,2sleep20-21swapper/209:07:252
88069996,2cyclictest0-21swapper/309:00:153
88069996,2cyclictest0-21swapper/307:21:013
88069994,3cyclictest3728-21runrttasks08:30:023
88069994,3cyclictest31561-21aten2.4-expect08:05:123
88069994,3cyclictest18374-21mailstats08:51:023
88069994,3cyclictest17208-21aten2.4_r3power07:30:133
88069994,3cyclictest15344-21tr07:25:133
88069994,3cyclictest1354-21df_abs08:10:123
88059996,2cyclictest9116-21kworker/u8:007:13:042
88059996,2cyclictest29466-21kworker/u8:008:12:042
88059996,2cyclictest20207-21kworker/u8:107:52:022
88059996,2cyclictest10721-21kworker/u8:208:47:052
88059993,4cyclictest7477-21cut08:25:132
88059992,3cyclictest13576-21sed08:40:132
88059991,6cyclictest13900-21needreboot07:20:162
88039996,2cyclictest20207-21kworker/u8:107:54:040
88039996,2cyclictest0-21swapper/008:30:150
88039996,2cyclictest0-21swapper/007:11:000
88039991,7cyclictest0-21swapper/008:20:590
88039990,8cyclictest0-21swapper/008:45:330
88039990,2cyclictest0-21swapper/007:40:050
16806290,2sleep00-21swapper/007:29:300
88059984,2cyclictest18081-21missed_timers08:50:172
88059983,3cyclictest27968-21gltestperf07:55:142
88059983,3cyclictest22102-21missed_timers09:00:162
88059983,3cyclictest15060-21munin-node2
88039984,3cyclictest3182-21lldpd07:58:110
88039983,2cyclictest0-21swapper/007:32:060
88039980,7cyclictest0-21swapper/007:21:050
88039973,3cyclictest13355-21aten2.4_r3power08:40:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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