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2026-05-17 - 01:29

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 May 16, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1745821350,1sleep217457-21perl09:40:142
3641211394,14sleep10-21swapper/107:05:251
4321211191,15sleep20-21swapper/207:07:342
4303211187,19sleep00-21swapper/007:07:290
4395210796,6sleep30-21swapper/307:08:313
214242810,2sleep1221ktimersoftd/107:50:141
231362740,0sleep30-21swapper/311:32:393
74572710,1sleep2301ktimersoftd/211:50:452
221212710,1sleep30-21swapper/309:45:173
57862700,0sleep20-21swapper/211:13:542
181152700,0sleep30-21swapper/310:15:433
97512680,1sleep20-21swapper/211:17:552
218742660,0sleep10-21swapper/112:06:361
108782280,0sleep10-21swapper/110:08:191
454899231,14cyclictest0-21swapper/108:40:051
454899220,13cyclictest18821-21sed07:45:001
149562210,0sleep00-21swapper/008:55:000
455199200,18cyclictest0-21swapper/310:40:113
4551991916,2cyclictest7744-21kworker/u8:209:58:043
4551991916,2cyclictest3519-21kworker/u8:212:33:043
4551991916,2cyclictest32157-21kworker/u8:211:47:043
4551991916,2cyclictest20127-21kworker/u8:209:24:043
4549991916,2cyclictest6947-21kworker/u8:207:18:052
4549991916,2cyclictest13132-21kworker/u8:111:57:042
4551991815,2cyclictest9810-21kworker/u8:311:18:013
4551991815,2cyclictest32157-21kworker/u8:212:03:043
4551991815,2cyclictest27250-21kworker/u8:210:38:013
4551991815,2cyclictest23346-21kworker/u8:009:15:043
4551991815,2cyclictest21527-21kworker/u8:010:23:053
4551991815,2cyclictest15844-21kworker/u8:111:38:043
4551991815,2cyclictest11937-21kworker/u8:010:54:053
4551991814,2cyclictest20488-21kworker/u8:211:06:013
4549991815,2cyclictest20488-21kworker/u8:211:08:042
4549991815,2cyclictest1906-21kworker/u8:009:27:042
4549991815,2cyclictest13289-21kworker/u8:109:38:052
454899182,6cyclictest0-21swapper/110:00:001
49552170,0sleep10-21swapper/111:48:361
4551991714,2cyclictest947-21kworker/u8:111:12:063
4551991714,2cyclictest891-21kworker/u8:108:26:013
4551991714,2cyclictest3519-21kworker/u8:212:29:043
4551991714,2cyclictest24761-21kworker/u8:011:41:043
4551991714,2cyclictest23346-21kworker/u8:009:14:043
4551991714,2cyclictest21527-21kworker/u8:010:28:043
4549991714,2cyclictest891-21kworker/u8:108:56:062
4549991714,2cyclictest891-21kworker/u8:108:21:042
4549991714,2cyclictest6947-21kworker/u8:207:38:012
4549991714,2cyclictest32157-21kworker/u8:212:12:042
4549991714,2cyclictest30620-21kworker/u8:110:15:042
4549991714,2cyclictest28198-21kworker/u8:007:12:042
4549991714,2cyclictest27250-21kworker/u8:210:37:042
4549991714,2cyclictest21527-21kworker/u8:010:21:042
4549991714,2cyclictest20488-21kworker/u8:211:00:042
4549991714,2cyclictest15844-21kworker/u8:111:28:052
4549991714,2cyclictest15714-21kworker/u8:210:14:052
4549991714,2cyclictest13289-21kworker/u8:109:48:022
4551991613,2cyclictest820-21kworker/u8:011:21:043
4551991613,2cyclictest29032-21kworker/u8:109:25:043
4551991613,2cyclictest25409-21kworker/u8:009:54:053
4551991613,2cyclictest20488-21kworker/u8:210:58:043
4551991613,2cyclictest13289-21kworker/u8:109:38:013
4551991613,2cyclictest13132-21kworker/u8:112:06:043
4551991613,2cyclictest13132-21kworker/u8:111:59:043
4551991613,2cyclictest12658-21kworker/u8:009:01:043
4551991613,2cyclictest10090-21kworker/u8:010:11:043
4551991613,2cyclictest10090-21kworker/u8:010:07:043
4551991610,4cyclictest16901-21ssh12:36:593
455199160,2cyclictest0-21swapper/309:33:043
4549991613,2cyclictest891-21kworker/u8:108:31:052
4549991613,2cyclictest7744-21kworker/u8:210:01:042
4549991613,2cyclictest3519-21kworker/u8:212:30:042
4549991613,2cyclictest29032-21kworker/u8:109:18:042
4549991613,2cyclictest2719-21kworker/u8:107:33:042
4549991613,2cyclictest25409-21kworker/u8:009:50:042
4549991613,2cyclictest24812-21kworker/u8:208:39:042
4549991613,2cyclictest24812-21kworker/u8:208:07:052
4549991613,2cyclictest24761-21kworker/u8:011:42:042
4549991613,2cyclictest18922-21kworker/u8:007:48:042
454999161,2cyclictest3649-21snmpd09:33:042
454899160,14cyclictest0-21swapper/108:30:131
151122160,0sleep10-21swapper/110:48:191
4551991512,2cyclictest947-21kworker/u8:110:47:053
4551991512,2cyclictest891-21kworker/u8:108:35:043
4551991512,2cyclictest891-21kworker/u8:108:24:043
4551991512,2cyclictest7744-21kworker/u8:210:03:043
4551991512,2cyclictest28703-21kworker/u8:112:20:043
4551991512,2cyclictest28703-21kworker/u8:112:17:043
4551991512,2cyclictest2719-21kworker/u8:107:44:053
4551991512,2cyclictest22467-21kworker/u8:108:02:043
4551991512,2cyclictest22467-21kworker/u8:107:58:043
455199150,10cyclictest0-21swapper/309:44:043
4549991512,2cyclictest28703-21kworker/u8:112:27:052
4549991512,2cyclictest28703-21kworker/u8:112:19:042
4549991512,2cyclictest2719-21kworker/u8:107:43:052
4549991512,2cyclictest2719-21kworker/u8:107:25:042
4549991512,2cyclictest25409-21kworker/u8:009:55:042
4549991512,2cyclictest24812-21kworker/u8:208:43:042
4549991512,2cyclictest24812-21kworker/u8:208:11:042
4549991512,2cyclictest21527-21kworker/u8:010:27:042
4549991512,2cyclictest0-21swapper/209:22:092
4549991511,3cyclictest6947-21kworker/u8:207:51:042
454899159,4cyclictest28841-21tail12:15:121
454899152,7cyclictest0-21swapper/110:44:581
454899151,3cyclictest8212-21ssh11:51:211
454899151,12cyclictest0-21swapper/110:10:151
4548991510,3cyclictest5854-21df12:25:141
454899150,4cyclictest0-21swapper/110:51:031
454899150,13cyclictest29014-21apt-get11:40:061
454899150,13cyclictest0-21swapper/109:40:161
4547991512,2cyclictest24812-21kworker/u8:208:45:050
454799150,13cyclictest596-21ssh09:21:550
454799150,13cyclictest5529-21latency07:10:160
4551991411,2cyclictest891-21kworker/u8:108:56:013
4551991411,2cyclictest6947-21kworker/u8:207:29:043
4551991411,2cyclictest6947-21kworker/u8:207:17:053
4551991411,2cyclictest32157-21kworker/u8:212:10:043
4551991411,2cyclictest28198-21kworker/u8:007:13:043
4551991411,2cyclictest2719-21kworker/u8:107:31:043
4551991411,2cyclictest24812-21kworker/u8:208:46:053
4551991411,2cyclictest24812-21kworker/u8:208:18:043
4551991411,2cyclictest24812-21kworker/u8:208:13:043
4551991411,2cyclictest21527-21kworker/u8:010:30:043
4551991411,2cyclictest18922-21kworker/u8:007:47:043
4551991411,2cyclictest12658-21kworker/u8:008:52:043
4549991411,2cyclictest24812-21kworker/u8:208:17:042
4549991411,2cyclictest24812-21kworker/u8:208:03:042
4549991411,2cyclictest12658-21kworker/u8:009:05:042
4549991411,2cyclictest12658-21kworker/u8:008:53:042
454999140,2cyclictest0-21swapper/212:23:042
454999140,2cyclictest0-21swapper/211:33:582
454999140,2cyclictest0-21swapper/211:24:082
454999140,2cyclictest0-21swapper/210:06:042
454999140,13cyclictest0-21swapper/211:48:482
454999140,12cyclictest0-21swapper/212:05:002
454899149,3cyclictest0-21swapper/112:37:081
454899149,3cyclictest0-21swapper/108:10:161
454899142,7cyclictest0-21swapper/111:05:011
454899142,7cyclictest0-21swapper/109:55:001
454899142,6cyclictest0-21swapper/109:20:001
4548991411,2cyclictest0-21swapper/112:10:111
4548991411,2cyclictest0-21swapper/111:55:121
454899141,11cyclictest29385-21seq11:04:271
454899140,2cyclictest0-21swapper/111:33:591
454899140,12cyclictest9115-21ssh09:31:011
4547991411,2cyclictest11937-21kworker/u8:010:51:040
4547991411,2cyclictest0-21swapper/011:50:180
4547991411,2cyclictest0-21swapper/009:41:570
4547991410,2cyclictest0-21swapper/011:40:120
454799140,2cyclictest0-21swapper/008:10:170
454799140,12cyclictest29679-21ssh09:53:580
454799140,12cyclictest2287-21ssh12:20:530
454799140,12cyclictest21785-21df_abs10:20:130
454799140,12cyclictest12790-21ssh10:10:150
4551991310,2cyclictest947-21kworker/u8:111:01:043
4551991310,2cyclictest6947-21kworker/u8:207:50:043
4551991310,2cyclictest6947-21kworker/u8:207:37:043
4551991310,2cyclictest32157-21kworker/u8:211:54:043
455199130,2cyclictest0-21swapper/311:27:043
455199130,2cyclictest0-21swapper/309:05:183
455199130,2cyclictest0-21swapper/307:21:043
4549991310,2cyclictest0-21swapper/212:00:152
4549991310,2cyclictest0-21swapper/209:10:162
454999130,2cyclictest0-21swapper/210:31:042
454999130,2cyclictest0-21swapper/207:21:042
454999130,12cyclictest0-21swapper/211:36:292
454999130,10cyclictest0-21swapper/208:45:042
454899138,3cyclictest19979-21cut07:45:411
454899131,3cyclictest20873-21diskmemload10:30:171
454899131,3cyclictest0-21swapper/108:35:151
4548991310,2cyclictest0-21swapper/110:20:411
4548991310,2cyclictest0-21swapper/110:15:131
4548991310,2cyclictest0-21swapper/109:36:101
4548991310,2cyclictest0-21swapper/109:25:101
4548991310,2cyclictest0-21swapper/107:16:011
454899130,2cyclictest0-21swapper/110:02:381
454899130,2cyclictest0-21swapper/107:25:501
454899130,12cyclictest0-21swapper/112:01:111
454899130,12cyclictest0-21swapper/111:23:311
454899130,11cyclictest20873-21diskmemload09:12:581
454899130,11cyclictest16990-21pzem_power11:25:391
454899130,11cyclictest0-21swapper/109:00:401
4547991310,2cyclictest6947-21kworker/u8:207:36:040
4547991310,2cyclictest32321-21ssh12:18:550
4547991310,2cyclictest0-21swapper/012:35:170
4547991310,2cyclictest0-21swapper/012:11:020
4547991310,2cyclictest0-21swapper/012:00:100
4547991310,2cyclictest0-21swapper/011:30:580
4547991310,2cyclictest0-21swapper/011:26:560
4547991310,2cyclictest0-21swapper/011:16:360
4547991310,2cyclictest0-21swapper/011:01:120
4547991310,2cyclictest0-21swapper/010:45:120
4547991310,2cyclictest0-21swapper/010:26:540
4547991310,2cyclictest0-21swapper/010:00:140
4547991310,2cyclictest0-21swapper/009:30:120
4547991310,2cyclictest0-21swapper/009:27:330
4547991310,2cyclictest0-21swapper/009:10:550
4547991310,2cyclictest0-21swapper/008:15:410
454799130,2cyclictest0-21swapper/012:26:060
454799130,2cyclictest0-21swapper/010:15:330
454799130,2cyclictest0-21swapper/009:05:000
454799130,2cyclictest0-21swapper/007:40:590
454799130,2cyclictest0-21swapper/007:20:160
454799130,12cyclictest20873-21diskmemload10:55:150
454799130,12cyclictest0-21swapper/012:07:150
454799130,12cyclictest0-21swapper/011:56:170
454799130,12cyclictest0-21swapper/011:20:150
454799130,12cyclictest0-21swapper/010:40:460
454799130,12cyclictest0-21swapper/009:47:320
454799130,12cyclictest0-21swapper/009:35:320
454799130,12cyclictest0-21swapper/009:16:460
454799130,12cyclictest0-21swapper/007:30:170
284182130,2sleep00-21swapper/008:06:050
12752130,2sleep020873-21diskmemload09:58:050
455199129,2cyclictest24812-21kworker/u8:208:44:043
454999129,2cyclictest0-21swapper/208:25:192
454999120,2cyclictest0-21swapper/210:48:442
454999120,11cyclictest0-21swapper/210:40:502
454899129,2cyclictest20873-21diskmemload10:35:141
454899129,2cyclictest0-21swapper/110:25:441
454899129,2cyclictest0-21swapper/109:45:071
454899129,2cyclictest0-21swapper/109:23:191
454899129,2cyclictest0-21swapper/108:55:161
454899122,7cyclictest0-21swapper/108:02:581
454899121,3cyclictest0-21swapper/108:20:121
454899121,3cyclictest0-21swapper/108:05:141
4548991210,1cyclictest0-21swapper/111:17:071
454899120,2cyclictest0-21swapper/112:21:211
454899120,11cyclictest0-21swapper/112:30:081
454899120,11cyclictest0-21swapper/111:35:001
454899120,11cyclictest0-21swapper/111:11:371
454899120,10cyclictest0-21swapper/110:55:161
454899120,10cyclictest0-21swapper/107:10:291
454799129,2cyclictest0-21swapper/011:46:320
454799129,2cyclictest0-21swapper/010:05:380
454799129,2cyclictest0-21swapper/007:25:120
454799120,2cyclictest0-21swapper/011:06:460
454799120,11cyclictest0-21swapper/012:34:530
454799120,11cyclictest0-21swapper/011:35:350
454799120,11cyclictest0-21swapper/011:10:560
454799120,11cyclictest0-21swapper/010:35:460
454799120,11cyclictest0-21swapper/010:30:130
454799120,11cyclictest0-21swapper/008:31:050
454799120,11cyclictest0-21swapper/008:20:120
455199118,2cyclictest891-21kworker/u8:108:33:043
455199110,10cyclictest0-21swapper/308:05:203
454999118,2cyclictest0-21swapper/209:00:162
454999110,2cyclictest0-21swapper/212:36:552
454999110,10cyclictest0-21swapper/210:58:142
454999110,10cyclictest0-21swapper/210:51:202
454899116,3cyclictest25095-21cut08:00:011
454899111,8cyclictest8813-21munin-node1
454899110,9cyclictest0-21swapper/108:50:181
454899110,9cyclictest0-21swapper/108:45:111
454899110,9cyclictest0-21swapper/108:15:161
454799118,2cyclictest0-21swapper/008:35:120
454799118,2cyclictest0-21swapper/008:25:120
454799118,2cyclictest0-21swapper/007:50:180
454799110,9cyclictest0-21swapper/007:55:180
454799110,10cyclictest3649-21snmpd08:57:570
454999107,2cyclictest0-21swapper/207:55:132
454899106,2cyclictest0-21swapper/107:30:201
454899105,3cyclictest2749-21munin-node1
454899100,8cyclictest0-21swapper/107:35:141
454799107,2cyclictest0-21swapper/007:15:130
45489990,2cyclictest0-21swapper/109:05:131
45479996,2cyclictest24812-21kworker/u8:208:41:040
45479984,2cyclictest19205-21head09:05:140
45479983,3cyclictest25246-21cut08:00:130
45479970,6cyclictest0-21swapper/007:45:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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