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2026-06-27 - 15:11

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 highest latencies:
System rack3slot6s.osadl.org (updated Sat Jun 27, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21336211996,17sleep10-21swapper/107:06:291
21496211895,18sleep00-21swapper/007:08:310
21467210897,6sleep30-21swapper/307:08:113
20873210479,6sleep20-21swapper/207:05:422
120112780,1sleep1221ktimersoftd/109:50:201
189682730,1sleep0101ktimersoftd/011:08:350
37222690,0sleep00-21swapper/009:41:210
2164099220,2cyclictest0-21swapper/111:30:141
2164299200,18cyclictest0-21swapper/312:30:143
21640992015,3cyclictest6409-21ssh09:45:121
2164099200,2cyclictest0-21swapper/112:05:131
2164099200,18cyclictest0-21swapper/112:30:141
203812200,1sleep320384-21cpuspeed_turbos11:10:133
2164199190,17cyclictest0-21swapper/211:42:062
21641991815,2cyclictest24314-21kworker/u8:110:53:052
21641991815,2cyclictest24314-21kworker/u8:110:53:042
21641991815,2cyclictest23614-21kworker/u8:208:50:042
2164299171,3cyclictest15861-21df11:05:153
21641991714,2cyclictest23757-21kworker/u8:111:50:042
21641991714,2cyclictest14151-21kworker/u8:111:22:012
2163999178,4cyclictest13008-21rm11:36:050
21639991714,2cyclictest14151-21kworker/u8:111:42:050
2164299161,3cyclictest1292-21apt-get11:25:063
21641991613,2cyclictest7727-21kworker/u8:112:23:052
21641991613,2cyclictest32099-21kworker/u8:009:01:052
2164199161,13cyclictest25307-21tune2fs10:05:142
21640991612,2cyclictest16338-21iostat_ios09:55:151
21640991611,3cyclictest0-21swapper/112:25:151
180262160,3sleep00-21swapper/010:31:560
238412150,3sleep00-21swapper/011:48:440
21642991510,3cyclictest11924-21ssh11:00:173
21642991510,3cyclictest0-21swapper/311:50:133
2164299150,13cyclictest0-21swapper/310:01:043
21641991512,2cyclictest8828-21kworker/u8:211:08:052
21641991512,2cyclictest6446-21kworker/u8:010:36:062
21641991512,2cyclictest627-21kworker/u8:210:18:022
21641991512,2cyclictest28729-21kworker/u8:012:03:042
21641991512,2cyclictest27119-21kworker/u8:212:27:042
21641991512,2cyclictest26170-21kworker/u8:110:31:042
21641991512,2cyclictest1490-21kworker/u8:010:55:042
21641991512,2cyclictest11249-21kworker/u8:108:14:022
2164199150,2cyclictest0-21swapper/210:47:052
21640991512,2cyclictest5646-21diskmemload11:57:561
21640991510,3cyclictest0-21swapper/111:10:381
2164099150,13cyclictest5646-21diskmemload09:14:461
2164099150,13cyclictest0-21swapper/112:10:121
2164099150,13cyclictest0-21swapper/110:54:131
2164099150,13cyclictest0-21swapper/110:54:131
2164099150,13cyclictest0-21swapper/110:06:031
2164099150,13cyclictest0-21swapper/109:15:501
2164099150,13cyclictest0-21swapper/108:50:061
21639991512,2cyclictest10162-21kworker/u8:010:08:050
2163999150,13cyclictest5755-21cat09:09:590
2163999150,13cyclictest0-21swapper/010:40:070
2163999150,13cyclictest0-21swapper/010:40:060
2163999150,13cyclictest0-21swapper/009:51:030
188812150,0sleep30-21swapper/309:58:143
2164299142,6cyclictest0-21swapper/311:20:013
2164299142,6cyclictest0-21swapper/307:45:013
21642991411,2cyclictest30401-21ssh10:45:193
21642991410,2cyclictest4753-21ntp_states09:05:183
2164299140,12cyclictest0-21swapper/309:26:033
2164299140,12cyclictest0-21swapper/308:45:143
21641991411,2cyclictest8702-21kworker/u8:009:18:042
21641991411,2cyclictest7727-21kworker/u8:112:07:052
21641991411,2cyclictest7599-21kworker/u8:007:57:052
21641991411,2cyclictest3910-21kworker/u8:209:14:022
21641991411,2cyclictest31964-21kworker/u8:011:25:042
21641991411,2cyclictest18090-21kworker/u8:008:22:052
21641991411,2cyclictest17407-21kworker/u8:207:32:052
21641991411,2cyclictest11249-21kworker/u8:108:41:042
21641991411,2cyclictest11249-21kworker/u8:108:29:042
21641991411,2cyclictest0-21swapper/209:47:522
21641991411,2cyclictest0-21swapper/209:44:522
2164199140,2cyclictest0-21swapper/212:37:422
2164199140,2cyclictest0-21swapper/212:15:522
2164099149,3cyclictest17614-21ssh09:21:301
2164099149,3cyclictest0-21swapper/109:26:151
21640991411,2cyclictest5646-21diskmemload11:44:261
21640991411,2cyclictest0-21swapper/111:24:061
21640991411,2cyclictest0-21swapper/110:33:051
21640991411,2cyclictest0-21swapper/110:26:441
21640991410,2cyclictest29100-21apt-get10:45:061
2164099140,2cyclictest0-21swapper/112:38:061
2164099140,2cyclictest0-21swapper/111:18:561
2164099140,2cyclictest0-21swapper/111:09:061
2164099140,2cyclictest0-21swapper/111:04:251
2164099140,13cyclictest0-21swapper/112:15:051
2164099140,13cyclictest0-21swapper/112:02:451
2164099140,13cyclictest0-21swapper/110:15:061
2164099140,13cyclictest0-21swapper/110:00:061
2164099140,12cyclictest5646-21diskmemload09:31:011
2164099140,12cyclictest0-21swapper/111:35:391
2164099140,12cyclictest0-21swapper/110:42:081
2164099140,12cyclictest0-21swapper/110:42:071
2164099140,12cyclictest0-21swapper/108:45:131
21639991411,2cyclictest24314-21kworker/u8:110:47:050
21639991411,2cyclictest0-21swapper/011:25:060
2163999141,11cyclictest0-21swapper/012:15:120
2163999140,2cyclictest3508-21grep10:16:040
2163999140,13cyclictest0-21swapper/007:15:140
2163999140,12cyclictest12661-21ssh10:26:050
2163999140,12cyclictest0-21swapper/011:20:140
2164299139,3cyclictest0-21swapper/311:31:093
2164299133,7cyclictest4562-21gdm-simple-gree08:32:593
2164299132,6cyclictest0-21swapper/309:55:013
21642991310,2cyclictest0-21swapper/312:04:003
21642991310,2cyclictest0-21swapper/309:45:053
21642991310,2cyclictest0-21swapper/309:40:103
2164299130,2cyclictest0-21swapper/312:20:173
2164299130,2cyclictest0-21swapper/310:30:153
2164299130,2cyclictest0-21swapper/310:05:183
2164299130,2cyclictest0-21swapper/308:35:183
2164299130,2cyclictest0-21swapper/307:15:163
2164299130,12cyclictest0-21swapper/309:35:173
2164299130,11cyclictest0-21swapper/312:11:453
21641991310,2cyclictest20191-21kworker/u8:011:15:052
21641991310,2cyclictest17407-21kworker/u8:207:42:042
21641991310,2cyclictest11249-21kworker/u8:108:15:042
21641991310,2cyclictest11249-21kworker/u8:108:04:052
21641991310,2cyclictest0-21swapper/211:48:122
21641991310,2cyclictest0-21swapper/211:13:032
21641991310,2cyclictest0-21swapper/210:24:232
21641991310,2cyclictest0-21swapper/208:31:042
2164199130,12cyclictest5646-21diskmemload10:01:252
2164199130,12cyclictest0-21swapper/211:55:052
2164199130,12cyclictest0-21swapper/210:25:552
2164199130,12cyclictest0-21swapper/209:32:042
2164199130,12cyclictest0-21swapper/209:20:142
2164099132,8cyclictest4562-21gdm-simple-gree10:21:581
2164099132,7cyclictest4562-21gdm-simple-gree08:39:591
21640991310,2cyclictest0-21swapper/112:20:101
21640991310,2cyclictest0-21swapper/111:45:401
21640991310,2cyclictest0-21swapper/111:28:001
21640991310,2cyclictest0-21swapper/109:41:281
21640991310,2cyclictest0-21swapper/109:36:241
21640991310,2cyclictest0-21swapper/108:30:411
2164099130,2cyclictest0-21swapper/107:55:411
2164099130,12cyclictest0-21swapper/110:59:481
2164099130,11cyclictest0-21swapper/111:50:331
2163999130,2cyclictest0-21swapper/011:12:540
2163999130,11cyclictest0-21swapper/010:54:320
2163999130,11cyclictest0-21swapper/010:54:310
2163999130,11cyclictest0-21swapper/009:45:170
2163999130,11cyclictest0-21swapper/009:33:150
192512130,2sleep35646-21diskmemload11:43:503
105452130,1sleep00-21swapper/012:09:360
317632120,2sleep30-21swapper/311:56:293
2164299129,2cyclictest11490-21diskstats11:35:143
2164299129,2cyclictest0-21swapper/310:50:173
2164299129,2cyclictest0-21swapper/310:50:163
2164299129,2cyclictest0-21swapper/309:22:353
2164299129,2cyclictest0-21swapper/308:25:143
2164299121,9cyclictest31889-21munin-plugin-st08:54:593
2164299121,9cyclictest10336-21ssh12:09:153
2164299120,2cyclictest0-21swapper/311:48:133
2164299120,2cyclictest0-21swapper/311:20:163
2164299120,2cyclictest0-21swapper/307:50:123
2164299120,11cyclictest0-21swapper/310:41:243
2164299120,11cyclictest0-21swapper/310:41:243
2164299120,11cyclictest0-21swapper/310:35:143
2164299120,11cyclictest0-21swapper/310:25:083
2164299120,11cyclictest0-21swapper/310:10:073
2164299120,11cyclictest0-21swapper/309:30:443
2164299120,11cyclictest0-21swapper/309:14:353
2164299120,11cyclictest0-21swapper/308:00:163
2164299120,11cyclictest0-21swapper/307:55:133
2164199129,2cyclictest3910-21kworker/u8:209:08:042
2164199129,2cyclictest23614-21kworker/u8:208:47:052
2164199129,2cyclictest21460-21kworker/u8:007:10:052
2164199129,2cyclictest18762-21kworker/u8:210:40:052
2164199129,2cyclictest18762-21kworker/u8:210:40:042
2164199129,2cyclictest17407-21kworker/u8:207:48:052
2164199129,2cyclictest0-21swapper/211:03:022
2164199127,3cyclictest15540-21ssh09:55:032
2164199120,2cyclictest0-21swapper/210:13:042
2164199120,11cyclictest0-21swapper/211:39:152
2164199120,11cyclictest0-21swapper/209:37:052
2164199120,11cyclictest0-21swapper/207:15:132
2164099129,2cyclictest0-21swapper/110:35:061
2164099129,2cyclictest0-21swapper/110:10:251
2164099121,9cyclictest17993-21apt-get08:20:121
2164099121,9cyclictest15964-21apt-get08:15:111
2164099121,9cyclictest0-21swapper/107:50:151
2164099120,2cyclictest0-21swapper/108:00:181
2164099120,2cyclictest0-21swapper/107:45:111
2164099120,2cyclictest0-21swapper/107:35:201
2164099120,11cyclictest0-21swapper/108:40:121
2164099120,11cyclictest0-21swapper/108:05:181
2164099120,11cyclictest0-21swapper/107:30:151
2164099120,11cyclictest0-21swapper/107:25:181
2164099120,11cyclictest0-21swapper/107:21:011
2163999129,2cyclictest5790-21ssh12:04:210
2163999129,2cyclictest0-21swapper/012:20:130
2163999129,2cyclictest0-21swapper/010:11:560
2163999129,2cyclictest0-21swapper/009:29:560
2163999129,2cyclictest0-21swapper/009:10:180
2163999129,2cyclictest0-21swapper/008:20:150
2163999129,2cyclictest0-21swapper/007:40:390
2163999120,2cyclictest0-21swapper/012:14:500
2163999120,2cyclictest0-21swapper/011:50:490
2163999120,2cyclictest0-21swapper/011:01:260
2163999120,2cyclictest0-21swapper/010:23:350
2163999120,11cyclictest0-21swapper/011:31:340
2163999120,11cyclictest0-21swapper/009:55:130
2163999120,11cyclictest0-21swapper/009:36:020
2163999120,11cyclictest0-21swapper/008:41:010
2163999120,10cyclictest0-21swapper/009:20:080
68002110,2sleep30-21swapper/310:55:153
2164299118,2cyclictest0-21swapper/310:15:153
2164299117,2cyclictest32624-21ethtool07:35:163
2164299112,5cyclictest0-21swapper/308:25:003
2164299111,8cyclictest0-21swapper/309:15:353
2164299111,6cyclictest0-21swapper/307:31:013
2164299110,9cyclictest0-21swapper/312:17:023
2164299110,1cyclictest0-21swapper/308:05:163
2164299110,10cyclictest0-21swapper/312:36:443
2164299110,10cyclictest0-21swapper/312:25:593
2164299110,10cyclictest0-21swapper/310:21:353
2164199118,2cyclictest29650-21kworker/u8:007:36:062
2164199118,2cyclictest0-21swapper/212:12:332
2164199118,2cyclictest0-21swapper/207:51:022
2164199111,9cyclictest0-21swapper/209:54:212
2164199110,10cyclictest0-21swapper/211:32:352
2164099118,2cyclictest2933-21grep09:01:031
2164099118,2cyclictest0-21swapper/107:10:421
2164099117,3cyclictest0-21swapper/109:05:171
2164099111,3cyclictest0-21swapper/108:25:151
2164099110,9cyclictest32102-21munin-node1
2164099110,9cyclictest1547-21munin-node1
2163999118,2cyclictest0-21swapper/012:35:370
2163999118,2cyclictest0-21swapper/012:26:240
2163999118,2cyclictest0-21swapper/011:55:170
2163999118,2cyclictest0-21swapper/010:00:150
2163999118,2cyclictest0-21swapper/009:16:030
2163999110,2cyclictest0-21swapper/012:31:190
2163999110,2cyclictest0-21swapper/010:35:240
2163999110,2cyclictest0-21swapper/007:45:160
2163999110,10cyclictest0-21swapper/010:56:560
2163999110,10cyclictest0-21swapper/007:50:150
326432100,2sleep20-21swapper/212:33:162
2164299107,2cyclictest0-21swapper/307:40:153
2164299105,3cyclictest736-21find08:56:013
2164299105,3cyclictest16602-21ethtool08:15:153
2164299100,9cyclictest0-21swapper/307:20:193
2164299100,7cyclictest0-21swapper/307:12:583
2164199100,2cyclictest0-21swapper/209:28:252
2164199100,2cyclictest0-21swapper/208:08:042
2164099107,2cyclictest0-21swapper/108:10:311
2164099107,2cyclictest0-21swapper/107:15:131
2163999107,2cyclictest0-21swapper/008:10:140
2163999100,9cyclictest0-21swapper/011:15:360
2163999100,9cyclictest0-21swapper/008:00:120
2163999100,8cyclictest22452-21cut08:30:150
216429996,2cyclictest0-21swapper/307:25:123
216429994,3cyclictest26212-21cpu08:40:133
216429994,3cyclictest13945-21sshd08:10:063
216419994,3cyclictest32365-21cut08:55:122
216419994,3cyclictest28054-21aten2.4_r3power07:25:122
216419994,3cyclictest24608-21which08:35:172
216419991,3cyclictest0-21swapper/207:20:192
216399996,2cyclictest7599-21kworker/u8:008:08:040
216399996,2cyclictest0-21swapper/007:11:250
216399995,3cyclictest3127-21nscd08:50:200
216399994,3cyclictest32671-21kernelversion07:35:180
216399994,3cyclictest26763-21ntp_kernel_pll_07:20:180
216429983,3cyclictest1833-21cpu09:00:133
216399985,2cyclictest3100-21grep09:01:030
216399985,2cyclictest17407-21kworker/u8:207:33:040
216399984,3cyclictest28220-21df_abs07:25:140
216399983,3cyclictest28151-21head08:45:130
216399983,3cyclictest1635-21cut08:59:590
216399974,2cyclictest20713-21latency08:25:170
216399973,3cyclictest7931-21aten2.4_r3power07:55:120
216399970,6cyclictest0-21swapper/008:35:010
216399970,6cyclictest0-21swapper/008:15:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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