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2026-03-12 - 23:50

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 Mar 12, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7447212198,18sleep00-21swapper/007:05:430
8079212097,18sleep30-21swapper/307:08:433
7953211796,15sleep10-21swapper/107:07:051
8078210695,6sleep20-21swapper/207:08:422
181372750,0sleep00-21swapper/011:12:400
23432710,0sleep10-21swapper/112:35:061
288842690,0sleep20-21swapper/210:50:412
8206993416,16cyclictest0-21swapper/011:30:100
820799270,19cyclictest0-21swapper/108:35:111
820799260,24cyclictest0-21swapper/110:15:101
31322250,1sleep30-21swapper/309:20:163
8209992217,3cyclictest32500-21ssh09:50:113
8209992217,3cyclictest20530-40update-apt-xapi07:40:103
820999200,18cyclictest0-21swapper/311:20:113
820799190,2cyclictest0-21swapper/112:30:111
820799190,17cyclictest25232-21kworker/u8:111:20:111
144122190,0sleep30-21swapper/312:14:363
8209991815,2cyclictest13225-21kworker/u8:209:41:043
8209991713,2cyclictest0-21swapper/312:20:123
8208991714,2cyclictest13225-21kworker/u8:209:47:042
8207991713,2cyclictest0-21swapper/107:50:121
8207991712,3cyclictest12751-21aten2.4_r3power08:40:111
820899161,3cyclictest7082-21ssh09:24:482
8208991613,2cyclictest13225-21kworker/u8:210:16:012
8208991613,2cyclictest13223-21kworker/u8:011:45:042
8208991613,2cyclictest10108-21kworker/u8:107:58:042
820899160,14cyclictest0-21swapper/211:04:552
820899160,14cyclictest0-21swapper/208:30:102
820799161,13cyclictest2855-21diskstats11:30:121
820799161,11cyclictest0-21swapper/109:25:201
820899152,7cyclictest24549-21ssh09:10:002
820899152,7cyclictest0-21swapper/207:55:002
8208991512,2cyclictest32622-21kworker/u8:011:27:042
8208991512,2cyclictest13223-21kworker/u8:011:53:042
820899151,12cyclictest9924-21ssh12:10:002
8208991510,3cyclictest30086-21kworker/u8:010:24:042
8207991512,2cyclictest27161-21copy11:55:021
8207991512,2cyclictest0-21swapper/112:18:221
8207991512,2cyclictest0-21swapper/109:53:121
820799150,13cyclictest3399-21ssh10:58:021
820799150,13cyclictest24540-21diskmemload10:30:221
820799150,13cyclictest24540-21diskmemload10:30:221
820799150,13cyclictest0-21swapper/110:41:021
820699151,3cyclictest0-21swapper/011:00:000
820699151,12cyclictest12984-21fschecks_count11:40:140
820699150,3cyclictest3894-21ssh10:25:350
820699150,13cyclictest0-21swapper/011:37:160
820999149,3cyclictest3649-21snmpd10:58:243
820999141,11cyclictest27187-21ssh12:26:273
820999140,3cyclictest12538-21runrttasks10:01:363
820999140,12cyclictest32120-21ssh10:21:103
820899149,3cyclictest11513-21ssh09:28:592
820899142,7cyclictest0-21swapper/207:20:002
820899142,6cyclictest0-21swapper/210:30:002
8208991411,2cyclictest6469-21kworker/u8:211:35:042
8208991411,2cyclictest13717-21kworker/u8:008:48:042
8208991411,2cyclictest11729-21ssh10:00:582
8208991411,2cyclictest10108-21kworker/u8:108:51:042
8208991411,2cyclictest10108-21kworker/u8:107:34:042
8208991411,2cyclictest10108-21kworker/u8:107:22:042
8208991410,2cyclictest0-21swapper/208:30:002
820899140,3cyclictest25328-21cut09:10:142
820899140,13cyclictest0-21swapper/210:13:082
820899140,12cyclictest0-21swapper/209:40:592
820799149,3cyclictest25232-21kworker/u8:111:15:101
820799149,3cyclictest0-21swapper/109:11:141
8207991411,2cyclictest0-21swapper/112:01:031
8207991411,2cyclictest0-21swapper/110:51:321
820799140,2cyclictest0-21swapper/112:14:021
820799140,2cyclictest0-21swapper/112:07:421
820799140,2cyclictest0-21swapper/111:08:321
820799140,2cyclictest0-21swapper/110:13:421
820799140,2cyclictest0-21swapper/107:26:011
820799140,13cyclictest0-21swapper/111:27:021
820799140,12cyclictest24540-21diskmemload10:07:131
820799140,12cyclictest0-21swapper/111:48:331
820699149,3cyclictest0-21swapper/011:52:110
8206991411,2cyclictest0-21swapper/009:56:250
8206991411,2cyclictest0-21swapper/009:49:250
8206991411,2cyclictest0-21swapper/009:34:350
8206991410,2cyclictest26241-21ssh12:25:390
820699140,2cyclictest24540-21diskmemload12:35:060
820699140,2cyclictest0-21swapper/010:09:150
820699140,2cyclictest0-21swapper/009:44:250
820699140,12cyclictest3649-21snmpd10:43:200
820699140,12cyclictest24241-21sh10:46:010
820699140,12cyclictest0-21swapper/012:15:060
820699140,12cyclictest0-21swapper/011:09:020
820999138,3cyclictest0-21swapper/312:01:323
8209991310,2cyclictest0-21swapper/312:37:253
8209991310,2cyclictest0-21swapper/310:50:463
820999130,3cyclictest0-21swapper/310:39:043
820999130,2cyclictest32091-21ssh09:49:583
820999130,2cyclictest0-21swapper/311:55:063
820999130,2cyclictest0-21swapper/310:25:073
820999130,12cyclictest0-21swapper/311:10:573
820999130,12cyclictest0-21swapper/310:48:393
820999130,11cyclictest0-21swapper/310:31:363
820999130,11cyclictest0-21swapper/310:31:353
820899138,3cyclictest0-21swapper/212:15:082
8208991310,2cyclictest5220-21kworker/u8:011:14:042
8208991310,2cyclictest5220-21kworker/u8:011:07:042
8208991310,2cyclictest29637-21kworker/u8:012:33:042
8208991310,2cyclictest13225-21kworker/u8:209:58:042
8208991310,2cyclictest13225-21kworker/u8:209:52:052
8208991310,2cyclictest13225-21kworker/u8:209:36:042
8208991310,2cyclictest10108-21kworker/u8:109:01:042
8208991310,2cyclictest10108-21kworker/u8:108:07:042
8208991310,2cyclictest0-21swapper/212:27:012
8208991310,2cyclictest0-21swapper/212:06:032
8208991310,2cyclictest0-21swapper/211:44:392
8208991310,2cyclictest0-21swapper/210:47:282
8208991310,2cyclictest0-21swapper/210:39:012
8208991310,2cyclictest0-21swapper/209:16:412
8208991310,2cyclictest0-21swapper/208:10:182
8208991310,2cyclictest0-21swapper/207:40:132
820899130,2cyclictest0-21swapper/212:36:312
820899130,2cyclictest0-21swapper/211:16:092
820899130,12cyclictest2657-21ssh10:56:582
820899130,12cyclictest15189-21ssh10:05:112
820899130,12cyclictest0-21swapper/212:00:192
820899130,12cyclictest0-21swapper/210:31:382
820899130,12cyclictest0-21swapper/210:31:382
820899130,12cyclictest0-21swapper/209:33:382
820799138,3cyclictest30962-21munin-node1
820799138,3cyclictest0-21swapper/109:42:431
820799132,6cyclictest0-21swapper/110:00:001
820799132,6cyclictest0-21swapper/107:50:001
820799131,3cyclictest24540-21diskmemload09:30:171
8207991310,2cyclictest24540-21diskmemload11:00:541
8207991310,2cyclictest0-21swapper/112:29:441
8207991310,2cyclictest0-21swapper/111:41:021
8207991310,2cyclictest0-21swapper/110:38:351
8207991310,2cyclictest0-21swapper/109:48:111
8207991310,2cyclictest0-21swapper/109:36:011
820799130,3cyclictest0-21swapper/109:05:091
820799130,2cyclictest0-21swapper/112:22:321
820799130,2cyclictest0-21swapper/110:45:141
820799130,2cyclictest0-21swapper/109:15:411
820799130,1cyclictest0-21swapper/109:00:111
820799130,12cyclictest0-21swapper/111:37:521
820799130,11cyclictest0-21swapper/108:05:501
8206991310,2cyclictest0-21swapper/012:22:160
8206991310,2cyclictest0-21swapper/011:45:100
8206991310,2cyclictest0-21swapper/010:31:460
8206991310,2cyclictest0-21swapper/010:31:460
8206991310,2cyclictest0-21swapper/009:51:050
8206991310,2cyclictest0-21swapper/009:28:460
8206991310,2cyclictest0-21swapper/009:13:460
8206991310,2cyclictest0-21swapper/008:30:130
8206991310,2cyclictest0-21swapper/008:15:160
8206991310,2cyclictest0-21swapper/007:40:050
820699130,12cyclictest0-21swapper/012:31:260
820699130,12cyclictest0-21swapper/012:06:060
820699130,12cyclictest0-21swapper/010:21:550
820699130,12cyclictest0-21swapper/009:06:010
820699130,11cyclictest27429-21ssh11:55:090
820699130,11cyclictest0-21swapper/012:14:240
820699130,11cyclictest0-21swapper/009:20:010
820999129,2cyclictest6718-21ssh09:55:573
820999129,2cyclictest21805-1kworker/u9:011:15:543
820999129,2cyclictest0-21swapper/311:50:353
820999129,2cyclictest0-21swapper/311:25:203
820999129,2cyclictest0-21swapper/311:07:003
820999129,2cyclictest0-21swapper/310:16:233
820999127,3cyclictest3153-21nscd12:05:043
820999122,6cyclictest0-21swapper/311:41:003
820999122,5cyclictest0-21swapper/308:40:003
820999121,3cyclictest0-21swapper/307:59:593
820999120,2cyclictest0-21swapper/312:30:073
820999120,2cyclictest0-21swapper/312:15:113
820999120,2cyclictest0-21swapper/311:36:473
820999120,2cyclictest0-21swapper/311:32:503
820999120,2cyclictest0-21swapper/311:03:123
820999120,2cyclictest0-21swapper/310:43:263
820999120,2cyclictest0-21swapper/310:08:393
820999120,2cyclictest0-21swapper/309:30:073
820999120,11cyclictest0-21swapper/311:45:253
820999120,11cyclictest0-21swapper/309:18:173
820899129,2cyclictest5866-21kworker/u8:207:11:042
820899129,2cyclictest4667-21kworker/u8:008:35:042
820899129,2cyclictest18612-21kworker/u8:007:47:042
820899129,2cyclictest10108-21kworker/u8:108:55:042
820899129,2cyclictest0-21swapper/211:31:492
820899129,2cyclictest0-21swapper/211:22:102
820899129,2cyclictest0-21swapper/210:40:402
820899120,11cyclictest0-21swapper/211:56:402
820899120,11cyclictest0-21swapper/208:16:202
820899120,11cyclictest0-21swapper/207:38:352
820899120,10cyclictest0-21swapper/212:20:072
820799129,2cyclictest24540-21diskmemload11:10:061
820799127,3cyclictest16494-21munin-node1
820799121,9cyclictest22851-21df_abs11:50:121
820799121,9cyclictest0-21swapper/108:55:121
820799121,9cyclictest0-21swapper/108:45:191
820799121,6cyclictest0-21swapper/108:35:001
820799121,3cyclictest16674-21munin-node1
820799121,3cyclictest0-21swapper/107:40:101
820799120,2cyclictest0-21swapper/109:20:341
820799120,1cyclictest0-21swapper/110:26:131
820799120,11cyclictest0-21swapper/110:00:051
820799120,11cyclictest0-21swapper/108:20:131
820699129,2cyclictest0-21swapper/011:20:440
820699129,2cyclictest0-21swapper/011:15:230
820699129,2cyclictest0-21swapper/010:50:150
820699129,2cyclictest0-21swapper/010:00:140
820699127,3cyclictest31516-21cut08:05:160
820699122,6cyclictest0-21swapper/007:46:000
820699120,2cyclictest24400-21rm10:14:290
820699120,2cyclictest0-21swapper/011:29:220
820699120,2cyclictest0-21swapper/010:38:330
820699120,2cyclictest0-21swapper/009:15:180
820699120,2cyclictest0-21swapper/007:21:020
820699120,11cyclictest0-21swapper/011:02:580
820699120,11cyclictest0-21swapper/009:35:590
820699120,11cyclictest0-21swapper/008:40:110
820699120,11cyclictest0-21swapper/008:25:050
820699120,11cyclictest0-21swapper/008:10:280
820699120,11cyclictest0-21swapper/008:00:120
192682120,2sleep30-21swapper/308:55:173
820999118,2cyclictest0-21swapper/309:35:563
820999116,3cyclictest32200-21grep08:06:033
820999112,7cyclictest0-21swapper/308:22:583
820999111,6cyclictest0-21swapper/308:15:113
820999110,9cyclictest20839-21kworker/u8:009:06:053
820999110,5cyclictest0-21swapper/310:11:053
820999110,2cyclictest0-21swapper/309:25:063
820999110,1cyclictest0-21swapper/309:13:563
820899118,2cyclictest10108-21kworker/u8:108:43:042
820899112,6cyclictest0-21swapper/207:28:582
820799117,2cyclictest0-21swapper/108:00:281
820799117,2cyclictest0-21swapper/107:35:151
820799111,8cyclictest6362-21apt-get08:25:041
820799111,3cyclictest12455-21munin-node1
820799110,9cyclictest0-21swapper/107:55:111
820799110,3cyclictest10425-21munin-node1
820699118,2cyclictest0-21swapper/012:01:260
820699118,2cyclictest0-21swapper/008:20:140
820699118,2cyclictest0-21swapper/007:15:100
820699112,6cyclictest0-21swapper/008:56:010
820699111,5cyclictest0-21swapper/007:55:000
820999105,3cyclictest21776-21pzem09:00:503
820999105,3cyclictest16105-21unixbench_singl08:46:043
820999100,8cyclictest0-21swapper/307:50:153
820999100,6cyclictest0-21swapper/308:34:553
820899100,9cyclictest0-21swapper/208:20:132
820799105,3cyclictest8720-21grep07:10:121
820799100,7cyclictest0-21swapper/108:13:581
820699107,2cyclictest0-21swapper/010:16:090
820699107,2cyclictest0-21swapper/008:35:200
142932100,2sleep30-21swapper/307:25:013
82099994,3cyclictest9626-21switchtime07:11:023
82099994,3cyclictest7471-21ntp_kernel_err08:25:173
82099994,3cyclictest12754-21telnet08:40:113
82099994,3cyclictest0-21swapper/308:00:133
82099991,3cyclictest0-21swapper/307:20:123
82099990,8cyclictest10108-21kworker/u8:108:14:013
82099990,2cyclictest0-21swapper/308:50:043
82079994,3cyclictest2375-21apt-get08:15:111
82069994,3cyclictest14902-21cpuspeed_turbos08:45:140
82069994,3cyclictest0-21swapper/007:11:020
28796294,2sleep228800-21apt-get08:00:102
82099983,3cyclictest22841-21aten2.4_r3power07:45:113
82099983,3cyclictest16709-21cpuspeed_turbos07:30:113
82099983,3cyclictest11421-21pzem_current07:15:173
82099983,2cyclictest18645-21telnet07:35:113
82069983,3cyclictest20770-21aten2.4-expect09:00:110
82069983,3cyclictest19233-21uname07:35:150
82069983,3cyclictest17218-21cat07:30:150
82069983,3cyclictest16713-21chrt08:50:110
82069983,3cyclictest14769-21tr07:25:130
82069980,2cyclictest0-21swapper/007:56:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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