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2026-04-26 - 16:16

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 Sun Apr 26, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3837211594,16sleep00-21swapper/007:07:000
3813211497,12sleep10-21swapper/107:06:411
2220211088,16sleep30-21swapper/307:05:103
3896210279,6sleep20-21swapper/207:07:462
73412830,0sleep00-21swapper/010:36:350
246532720,1sleep00-21swapper/012:39:090
209592710,0sleep30-21swapper/309:43:483
262122690,0sleep10-21swapper/109:49:351
238862640,0sleep00-21swapper/011:28:390
238862640,0sleep00-21swapper/011:28:380
4100993616,18cyclictest0-21swapper/309:55:113
4100992812,15cyclictest4096-21cyclictest11:45:123
4100992622,2cyclictest0-21swapper/311:00:123
322712260,0sleep20-21swapper/211:37:072
31542250,0sleep20-21swapper/211:06:042
257162240,1sleep20-21swapper/209:48:482
4099992115,4cyclictest0-21swapper/212:15:122
409799210,2cyclictest0-21swapper/011:20:120
410099201,2cyclictest0-21swapper/308:50:133
4099992015,3cyclictest5059-21kworker/u8:209:39:042
409799200,18cyclictest0-21swapper/008:40:120
4099991916,2cyclictest4602-21kworker/u8:110:48:032
292322190,2sleep011-21rcuc/010:25:500
4099991816,1cyclictest0-21swapper/211:20:122
4099991815,2cyclictest4602-21kworker/u8:110:41:042
4099991815,2cyclictest20768-21kworker/u8:109:10:052
409999180,2cyclictest0-21swapper/208:15:132
409799180,16cyclictest0-21swapper/007:35:110
267622180,0sleep20-21swapper/209:50:082
410099172,13cyclictest22778-21ssh12:36:063
4099991714,2cyclictest19644-21kworker/u8:312:21:042
409999171,14cyclictest0-21swapper/208:30:012
409999171,12cyclictest0-21swapper/207:26:042
410099162,12cyclictest5672-21ssh11:43:513
410099161,3cyclictest0-21swapper/311:13:233
410099160,14cyclictest11667-21ssh11:15:183
409999161,3cyclictest0-21swapper/208:11:012
4099991613,2cyclictest16530-21kworker/u8:210:54:052
4099991611,3cyclictest13874-21df10:10:132
409999161,13cyclictest0-21swapper/209:58:332
409999160,11cyclictest0-21swapper/211:16:042
409899161,13cyclictest32666-21munin-run08:20:001
409899161,13cyclictest0-21swapper/112:23:571
4097991611,3cyclictest11023-21df_abs08:45:140
410099153,11cyclictest0-21swapper/310:10:073
410099152,2cyclictest0-21swapper/311:25:483
410099152,2cyclictest0-21swapper/311:25:483
4100991512,2cyclictest0-21swapper/312:11:393
4100991512,2cyclictest0-21swapper/312:09:193
4100991512,2cyclictest0-21swapper/310:40:143
4100991512,2cyclictest0-21swapper/310:26:293
4100991512,2cyclictest0-21swapper/309:45:193
410099151,12cyclictest29256-21ssh09:51:523
4100991511,2cyclictest0-21swapper/312:24:523
410099151,12cyclictest0-21swapper/311:55:523
4100991511,2cyclictest0-21swapper/309:15:003
4100991510,3cyclictest3932-21ssh10:00:113
4100991510,3cyclictest0-21swapper/307:55:133
4100991510,3cyclictest0-21swapper/307:55:133
409999151,9cyclictest28757-1kworker/u9:212:09:042
4099991512,2cyclictest32440-21kworker/u8:112:13:042
4099991512,2cyclictest27213-21kworker/u8:209:20:012
409999151,12cyclictest12339-21date09:35:002
4099991510,3cyclictest18316-21ssh10:15:122
409999150,13cyclictest0-21swapper/211:10:172
409899151,12cyclictest3140-21iostat08:25:161
4098991510,3cyclictest15501-21sh12:29:211
4098991510,3cyclictest0-21swapper/110:51:411
4098991510,3cyclictest0-21swapper/109:50:151
409899150,3cyclictest0-21swapper/110:22:411
409899150,2cyclictest0-21swapper/107:35:011
409799151,12cyclictest22814-21apt-get07:55:120
409799151,12cyclictest22814-21apt-get07:55:120
4097991510,3cyclictest17699-21ssh09:40:140
409799150,13cyclictest0-21swapper/011:35:000
409799150,13cyclictest0-21swapper/011:35:000
410099149,3cyclictest0-21swapper/310:20:143
410099148,4cyclictest20549-21diskmemload10:33:493
410099143,10cyclictest0-21swapper/312:28:163
410099142,11cyclictest0-21swapper/310:58:263
410099141,2cyclictest0-21swapper/308:15:133
410099141,12cyclictest0-21swapper/311:35:023
4100991411,2cyclictest0-21swapper/310:45:123
4100991411,2cyclictest0-21swapper/310:05:513
4100991411,2cyclictest0-21swapper/309:23:413
4100991411,2cyclictest0-21swapper/308:30:113
4100991410,2cyclictest0-21swapper/309:35:173
410099140,3cyclictest0-21swapper/311:53:323
410099140,12cyclictest0-21swapper/309:32:233
410099140,12cyclictest0-21swapper/307:45:183
4099991411,2cyclictest8907-21kworker/u8:011:52:042
4099991411,2cyclictest28807-21kworker/u8:011:40:042
4099991411,2cyclictest28701-21kworker/u8:007:12:042
4099991411,2cyclictest19545-21kworker/u8:110:07:042
4099991411,2cyclictest14710-21kworker/u8:010:00:052
4099991411,2cyclictest14182-21kworker/u8:211:57:042
4099991411,2cyclictest10595-21kworker/u8:007:51:042
409999140,2cyclictest18203-21unixbench_singl07:41:042
409999140,2cyclictest0-21swapper/210:28:042
409999140,12cyclictest0-21swapper/209:40:132
409899149,3cyclictest0-21swapper/110:11:021
409899140,12cyclictest20549-21diskmemload12:39:381
409899140,12cyclictest20549-21diskmemload10:39:391
409899140,12cyclictest0-21swapper/111:50:311
409899140,12cyclictest0-21swapper/109:12:411
4097991411,2cyclictest0-21swapper/011:41:040
4097991411,2cyclictest0-21swapper/009:32:550
409799140,2cyclictest0-21swapper/010:04:050
409799140,2cyclictest0-21swapper/008:35:160
409799140,13cyclictest0-21swapper/011:18:150
409799140,12cyclictest8451-21munin-node0
409799140,12cyclictest4918-21head09:26:030
409799140,12cyclictest17823-21ssh10:48:090
409799140,12cyclictest0-21swapper/012:25:110
409799140,12cyclictest0-21swapper/010:30:150
54402131,2sleep15554-21ntp_offset08:30:181
410099139,3cyclictest0-21swapper/312:02:573
410099132,6cyclictest0-21swapper/308:45:013
410099131,11cyclictest0-21swapper/310:54:323
4100991310,2cyclictest0-21swapper/312:31:033
4100991310,2cyclictest0-21swapper/312:17:263
4100991310,2cyclictest0-21swapper/311:09:003
410099130,12cyclictest0-21swapper/310:37:223
409999132,7cyclictest0-21swapper/207:20:002
4099991310,2cyclictest4602-21kworker/u8:110:35:042
4099991310,2cyclictest24448-21kworker/u8:108:02:042
4099991310,2cyclictest23524-21kworker/u8:311:33:042
4099991310,2cyclictest23524-21kworker/u8:311:33:032
4099991310,2cyclictest19826-21kworker/u8:107:46:042
4099991310,2cyclictest18711-21kworker/u8:112:36:012
4099991310,2cyclictest0-21swapper/212:31:242
4099991310,2cyclictest0-21swapper/209:05:152
409999130,12cyclictest0-21swapper/211:00:172
409999130,12cyclictest0-21swapper/209:25:132
409999130,11cyclictest0-21swapper/208:40:122
409899138,3cyclictest20549-21diskmemload09:26:001
409899132,6cyclictest0-21swapper/110:10:001
409899132,6cyclictest0-21swapper/110:00:001
409899131,10cyclictest0-21swapper/111:47:161
4098991310,2cyclictest20549-21diskmemload11:08:381
4098991310,2cyclictest20549-21diskmemload09:22:481
4098991310,2cyclictest0-21swapper/112:30:501
4098991310,2cyclictest0-21swapper/111:29:181
4098991310,2cyclictest0-21swapper/111:29:181
4098991310,2cyclictest0-21swapper/110:45:131
4098991310,2cyclictest0-21swapper/109:57:181
4098991310,2cyclictest0-21swapper/109:30:161
4098991310,2cyclictest0-21swapper/109:18:081
4098991310,2cyclictest0-21swapper/107:50:121
409899130,2cyclictest29724-21apt-get11:35:121
409899130,2cyclictest0-21swapper/112:13:301
409899130,2cyclictest0-21swapper/111:56:011
409899130,2cyclictest0-21swapper/107:40:131
409899130,12cyclictest0-21swapper/111:41:191
409899130,12cyclictest0-21swapper/110:55:381
409899130,12cyclictest0-21swapper/110:30:091
409899130,12cyclictest0-21swapper/110:15:191
409899130,11cyclictest0-21swapper/111:22:121
409799133,6cyclictest0-21swapper/012:15:080
409799132,8cyclictest4556-21metacity09:24:590
4097991310,2cyclictest20549-21diskmemload11:52:280
4097991310,2cyclictest0-21swapper/012:20:490
4097991310,2cyclictest0-21swapper/012:11:010
4097991310,2cyclictest0-21swapper/012:09:060
4097991310,2cyclictest0-21swapper/010:55:550
4097991310,2cyclictest0-21swapper/009:11:280
4097991310,2cyclictest0-21swapper/008:11:020
409799130,2cyclictest4903-21fschecks_time07:10:140
409799130,2cyclictest20549-21diskmemload10:51:390
409799130,2cyclictest0-21swapper/007:40:320
409799130,2cyclictest0-21swapper/007:15:170
409799130,12cyclictest0-21swapper/012:04:550
409799130,12cyclictest0-21swapper/011:45:160
409799130,12cyclictest0-21swapper/009:35:150
409799130,12cyclictest0-21swapper/009:19:040
409799130,12cyclictest0-21swapper/008:55:170
409799130,11cyclictest1773-21ssh09:57:130
409799130,11cyclictest13266-21ssh10:43:290
409799130,11cyclictest0-21swapper/011:55:540
409799130,11cyclictest0-21swapper/011:01:000
409799130,11cyclictest0-21swapper/010:20:100
274872130,2sleep127490-21if_eth008:05:171
410099129,2cyclictest0-21swapper/310:17:123
410099129,2cyclictest0-21swapper/309:25:073
410099127,3cyclictest27271-21ssh11:31:313
410099127,3cyclictest27271-21ssh11:31:313
410099122,8cyclictest8576-21aten2.4-expect07:20:123
410099122,5cyclictest0-21swapper/307:15:003
410099120,11cyclictest0-21swapper/311:20:423
410099120,11cyclictest0-21swapper/308:25:193
410099120,11cyclictest0-21swapper/307:30:163
409999129,2cyclictest26916-21kworker/u8:208:24:042
409999129,2cyclictest15742-21kworker/u8:009:15:042
409999129,2cyclictest0-21swapper/210:59:232
409999120,2cyclictest0-21swapper/212:25:152
409999120,2cyclictest0-21swapper/207:59:332
409999120,2cyclictest0-21swapper/207:59:332
409999120,11cyclictest0-21swapper/211:45:242
409999120,11cyclictest0-21swapper/211:25:112
409999120,11cyclictest0-21swapper/211:25:112
409999120,11cyclictest0-21swapper/210:30:062
409999120,11cyclictest0-21swapper/210:20:162
409999120,11cyclictest0-21swapper/208:55:122
409999120,11cyclictest0-21swapper/208:35:332
409899129,2cyclictest0-21swapper/112:15:161
409899129,2cyclictest0-21swapper/111:30:111
409899129,2cyclictest0-21swapper/111:30:111
409899129,2cyclictest0-21swapper/111:00:181
409899129,2cyclictest0-21swapper/107:15:141
409899121,9cyclictest8455-21apt-get07:20:111
409899121,9cyclictest28233-21sed10:25:141
409899121,9cyclictest12716-21apt-get08:50:131
409899121,9cyclictest0-21swapper/107:55:181
409899121,9cyclictest0-21swapper/107:55:181
409899121,9cyclictest0-21swapper/107:30:141
409899121,9cyclictest0-21swapper/107:10:171
409899121,3cyclictest0-21swapper/107:25:161
409899120,3cyclictest0-21swapper/111:10:131
409899120,2cyclictest0-21swapper/111:18:071
409899120,2cyclictest0-21swapper/109:42:201
409899120,2cyclictest0-21swapper/109:35:161
409899120,2cyclictest0-21swapper/108:20:171
409899120,11cyclictest0-21swapper/112:00:391
409899120,11cyclictest0-21swapper/108:55:401
409899120,11cyclictest0-21swapper/108:45:161
409899120,11cyclictest0-21swapper/108:40:161
409899120,10cyclictest20549-21diskmemload10:40:061
409799129,2cyclictest0-21swapper/011:35:170
409799129,2cyclictest0-21swapper/011:05:350
409799129,2cyclictest0-21swapper/009:45:210
409799129,2cyclictest0-21swapper/008:30:120
409799129,2cyclictest0-21swapper/008:25:120
409799129,2cyclictest0-21swapper/007:25:150
409799122,7cyclictest0-21swapper/008:23:590
409799122,7cyclictest0-21swapper/008:16:590
409799120,2cyclictest0-21swapper/010:10:050
409799120,2cyclictest0-21swapper/007:30:150
409799120,11cyclictest0-21swapper/011:10:270
409799120,10cyclictest0-21swapper/010:16:140
409799120,10cyclictest0-21swapper/010:07:090
157422120,2sleep20-21swapper/207:36:022
410099118,2cyclictest0-21swapper/309:15:133
410099118,2cyclictest0-21swapper/308:56:013
410099118,2cyclictest0-21swapper/307:15:513
410099114,5cyclictest28450-21runrttasks08:07:403
410099114,5cyclictest25464-21taskset08:00:153
410099112,7cyclictest0-21swapper/308:21:593
409999118,2cyclictest26916-21kworker/u8:208:34:042
409999118,2cyclictest19644-21kworker/u8:312:00:042
409999117,2cyclictest0-21swapper/208:55:012
409999110,10cyclictest0-21swapper/207:20:172
409899118,2cyclictest0-21swapper/109:05:401
409899114,4cyclictest207150irq/24-eth112:05:061
409899111,8cyclictest0-21swapper/108:35:171
409899110,9cyclictest0-21swapper/107:46:021
409899110,3cyclictest0-21swapper/108:10:121
409899110,3cyclictest0-21swapper/108:00:121
409799118,2cyclictest0-21swapper/012:30:070
409799118,2cyclictest0-21swapper/009:50:040
409799110,10cyclictest0-21swapper/008:06:050
124942110,2sleep20-21swapper/207:30:052
410099104,4cyclictest6918-21tr08:35:123
410099104,4cyclictest3728-21runrttasks07:50:123
410099104,4cyclictest18816-21aten2.4-expect09:05:123
410099104,4cyclictest17041-21tr09:00:113
410099104,4cyclictest15426-21sed07:35:163
410099104,4cyclictest10943-21cut07:25:163
410099104,4cyclictest10749-21aten2.4_r3power08:45:133
410099103,5cyclictest28898-21cut08:10:113
410099102,7cyclictest0-21swapper/307:40:133
409999100,6cyclictest0-21swapper/209:00:592
409899100,8cyclictest16745-21munin-node1
409799107,2cyclictest0-21swapper/009:05:130
409799102,5cyclictest0-21swapper/009:00:590
225072100,1sleep00-21swapper/007:53:590
40999991,5cyclictest0-21swapper/208:46:022
40999991,3cyclictest0-21swapper/208:05:142
40979982,5cyclictest0-21swapper/008:00:020
40979981,6cyclictest0-21swapper/008:50:040
40979980,7cyclictest0-21swapper/007:47:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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