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2026-05-11 - 18:12

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 Mon May 11, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22300211693,18sleep10-21swapper/107:09:011
222922115104,6sleep30-21swapper/307:08:543
221352115104,6sleep00-21swapper/007:06:520
21629210689,12sleep20-21swapper/207:05:372
95752740,0sleep00-21swapper/009:12:230
147562670,1sleep20-21swapper/211:38:542
304172220,1sleep0101ktimersoftd/010:10:150
22408992118,2cyclictest17335-21kworker/u8:011:22:050
22408992118,2cyclictest17335-21kworker/u8:011:22:050
2241099200,18cyclictest0-21swapper/207:25:112
2240899193,2cyclictest29992-21munin-node0
2241099183,13cyclictest30742-21latency_hist08:50:012
22408991815,2cyclictest17335-21kworker/u8:011:19:050
22408991815,2cyclictest13756-21kworker/u8:210:30:040
2240899180,16cyclictest0-21swapper/007:25:110
22411991714,2cyclictest12627-21kworker/u8:209:35:053
22411991713,2cyclictest1063-21kworker/u8:110:07:053
22409991714,2cyclictest17335-21kworker/u8:011:21:051
22409991714,2cyclictest17335-21kworker/u8:011:21:051
22409991714,2cyclictest13942-21kworker/u8:312:15:051
2240999170,2cyclictest0-21swapper/110:07:041
2240999170,2cyclictest0-21swapper/109:35:051
22408991714,2cyclictest13800-21kworker/u8:310:41:050
2240899171,3cyclictest0-21swapper/010:00:170
2240899170,15cyclictest0-21swapper/011:48:480
2241199160,14cyclictest0-21swapper/311:28:213
2241099161,13cyclictest24292-21ssh09:28:442
22410991611,3cyclictest1966-21grep08:56:042
2241099161,13cyclictest0-21swapper/211:19:182
2240999161,13cyclictest0-21swapper/111:02:051
2240999161,13cyclictest0-21swapper/108:15:131
22408991613,2cyclictest4663-21kworker/u8:010:54:050
22408991613,2cyclictest22083-21kworker/u8:107:38:010
22408991613,2cyclictest1063-21kworker/u8:110:24:040
22411991512,2cyclictest32133-21kworker/u8:210:47:053
2241099151,12cyclictest15749-21apt-get09:20:072
2241099151,12cyclictest14768-21ssh09:53:152
22410991510,3cyclictest29148-21ssh12:30:132
22410991510,3cyclictest0-21swapper/211:20:172
22410991510,3cyclictest0-21swapper/211:20:172
2241099150,13cyclictest6564-21sed09:10:012
2241099150,13cyclictest0-21swapper/211:53:202
2240999151,3cyclictest7813-21ssh09:10:181
22409991512,2cyclictest495-21kworker/u8:111:26:051
22409991512,2cyclictest27225-21kworker/u8:111:15:041
22409991512,2cyclictest22760-21kworker/u8:111:50:051
22409991512,2cyclictest12627-21kworker/u8:209:33:051
22409991512,2cyclictest0-21swapper/111:35:241
22409991512,2cyclictest0-21swapper/108:50:051
2240999151,12cyclictest0-21swapper/111:56:041
2240999151,12cyclictest0-21swapper/108:45:401
2240999150,2cyclictest6541-21diskmemload10:47:051
2240899152,7cyclictest15966-21ssh09:54:590
22408991512,2cyclictest24613-21kworker/u8:010:08:050
22408991512,2cyclictest17335-21kworker/u8:011:08:060
22408991512,2cyclictest17335-21kworker/u8:011:08:050
2240899150,3cyclictest0-21swapper/010:57:580
2240899150,13cyclictest6541-21diskmemload11:28:270
22411991411,2cyclictest0-21swapper/312:37:503
22411991411,2cyclictest0-21swapper/312:24:313
22411991411,2cyclictest0-21swapper/310:03:103
22411991411,2cyclictest0-21swapper/309:26:393
2241199140,2cyclictest25696-21tr09:30:133
2241199140,2cyclictest0-21swapper/312:18:513
2241199140,2cyclictest0-21swapper/311:54:213
2241199140,12cyclictest4964-21ssh12:03:233
2241199140,12cyclictest27562-21ntpdc07:20:183
2241199140,12cyclictest2307-21popularity-cont07:40:033
2241199140,12cyclictest12942-21ssh09:15:573
2241199140,12cyclictest0-21swapper/311:30:143
2241199140,12cyclictest0-21swapper/310:56:053
2241199140,12cyclictest0-21swapper/310:39:423
2241199140,12cyclictest0-21swapper/307:25:163
2241099148,2cyclictest4441-21ssh10:51:452
22410991411,2cyclictest0-21swapper/212:06:152
22410991411,2cyclictest0-21swapper/211:01:042
2241099141,11cyclictest10719-21ssh09:49:102
2241099140,12cyclictest29216-21ssh09:34:142
2241099140,12cyclictest0-21swapper/207:40:012
22409991411,2cyclictest24137-21kworker/u8:007:17:051
22409991411,2cyclictest24137-21kworker/u8:007:12:041
22409991411,2cyclictest12414-21kworker/u8:208:39:041
22409991411,2cyclictest1063-21kworker/u8:110:23:041
2240999140,2cyclictest2926-21awk09:40:141
2240999140,2cyclictest0-21swapper/112:14:061
2240999140,12cyclictest8763-21ssh12:06:551
2240999140,12cyclictest0-21swapper/110:42:051
2240999140,12cyclictest0-21swapper/108:40:291
2240999140,12cyclictest0-21swapper/107:50:501
2240899149,3cyclictest5470-21ssh10:18:290
2240899142,7cyclictest0-21swapper/012:35:000
2240899142,6cyclictest0-21swapper/007:55:000
22408991411,2cyclictest612-21kworker/u8:112:38:050
22408991411,2cyclictest0-21swapper/010:28:080
2240899140,2cyclictest0-21swapper/009:29:200
2240899140,13cyclictest0-21swapper/011:42:280
2240899140,12cyclictest0-21swapper/011:03:400
2240899140,12cyclictest0-21swapper/007:20:000
2240899140,10cyclictest0-21swapper/012:01:050
120262141,3sleep312108-21ssh11:00:173
22411991310,2cyclictest9629-21ssh10:22:403
22411991310,2cyclictest30465-21kworker/u8:109:06:063
22411991310,2cyclictest0-21swapper/312:06:543
22411991310,2cyclictest0-21swapper/311:41:463
22411991310,2cyclictest0-21swapper/311:35:253
22411991310,2cyclictest0-21swapper/311:10:413
22411991310,2cyclictest0-21swapper/310:25:183
22411991310,2cyclictest0-21swapper/309:54:303
22411991310,2cyclictest0-21swapper/309:42:233
22411991310,2cyclictest0-21swapper/309:21:503
22411991310,2cyclictest0-21swapper/309:13:543
22411991310,2cyclictest0-21swapper/307:55:173
2241199130,2cyclictest0-21swapper/311:45:183
2241199130,2cyclictest0-21swapper/311:23:043
2241199130,2cyclictest0-21swapper/311:23:033
2241199130,2cyclictest0-21swapper/310:11:033
2241199130,2cyclictest0-21swapper/309:57:113
2241199130,12cyclictest0-21swapper/311:58:033
2241199130,12cyclictest0-21swapper/311:08:223
2241199130,12cyclictest0-21swapper/311:08:213
2241199130,12cyclictest0-21swapper/310:50:163
2241199130,12cyclictest0-21swapper/310:30:003
2241199130,12cyclictest0-21swapper/310:17:413
2241199130,12cyclictest0-21swapper/307:35:073
2241199130,12cyclictest0-21swapper/307:31:023
2241199130,12cyclictest0-21swapper/307:31:013
2241099138,3cyclictest10136-21runrttasks10:58:312
2241099138,3cyclictest0-21swapper/209:01:032
22410991310,2cyclictest14624-21ssh09:18:072
22410991310,2cyclictest0-21swapper/212:15:482
22410991310,2cyclictest0-21swapper/211:34:332
22410991310,2cyclictest0-21swapper/211:12:422
22410991310,2cyclictest0-21swapper/210:40:142
22410991310,2cyclictest0-21swapper/210:30:182
22410991310,2cyclictest0-21swapper/210:28:022
22410991310,2cyclictest0-21swapper/210:05:022
22410991310,2cyclictest0-21swapper/209:44:312
22410991310,2cyclictest0-21swapper/207:15:132
2241099130,3cyclictest864-21ssh10:13:312
2241099130,2cyclictest0-21swapper/211:43:282
2241099130,2cyclictest0-21swapper/210:17:212
2241099130,2cyclictest0-21swapper/208:35:172
2241099130,2cyclictest0-21swapper/208:10:192
2241099130,12cyclictest0-21swapper/211:49:142
2241099130,12cyclictest0-21swapper/211:25:382
2241099130,12cyclictest0-21swapper/211:05:162
2241099130,12cyclictest0-21swapper/211:05:152
2241099130,11cyclictest6541-21diskmemload09:37:382
22409991310,2cyclictest6787-21kworker/u8:007:55:051
22409991310,2cyclictest27225-21kworker/u8:110:50:051
22409991310,2cyclictest26249-21kworker/u8:207:22:001
22409991310,2cyclictest18536-21kworker/u8:112:20:051
22409991310,2cyclictest12414-21kworker/u8:208:12:041
22409991310,2cyclictest1063-21kworker/u8:110:25:041
22409991310,2cyclictest0-21swapper/111:41:361
22409991310,2cyclictest0-21swapper/111:05:161
22409991310,2cyclictest0-21swapper/111:05:161
22409991310,2cyclictest0-21swapper/110:01:311
22409991310,2cyclictest0-21swapper/109:22:361
22409991310,2cyclictest0-21swapper/109:00:131
2240999130,2cyclictest0-21swapper/112:35:551
2240999130,2cyclictest0-21swapper/109:50:131
2240999130,2cyclictest0-21swapper/109:48:321
2240999130,2cyclictest0-21swapper/109:15:131
2240999130,2cyclictest0-21swapper/109:06:061
2240999130,12cyclictest0-21swapper/112:25:121
2240999130,12cyclictest0-21swapper/111:30:061
2240999130,12cyclictest0-21swapper/111:14:051
2240999130,12cyclictest0-21swapper/110:59:551
2240999130,12cyclictest0-21swapper/109:58:011
2240999130,11cyclictest0-21swapper/108:30:201
22408991310,2cyclictest6541-21diskmemload09:54:400
22408991310,2cyclictest25690-21kworker/u8:008:36:060
22408991310,2cyclictest22252-21kworker/u8:008:27:050
22408991310,2cyclictest22252-21kworker/u8:008:27:050
22408991310,2cyclictest20705-21kworker/u8:010:37:050
22408991310,2cyclictest12627-21kworker/u8:209:45:040
22408991310,2cyclictest0-21swapper/012:26:280
22408991310,2cyclictest0-21swapper/012:10:380
22408991310,2cyclictest0-21swapper/011:38:180
22408991310,2cyclictest0-21swapper/009:16:590
2240899130,2cyclictest0-21swapper/011:50:100
2240899130,2cyclictest0-21swapper/009:22:590
2240899130,12cyclictest0-21swapper/011:56:180
2240899130,12cyclictest0-21swapper/011:34:500
2240899130,12cyclictest0-21swapper/011:10:080
2240899130,12cyclictest0-21swapper/010:45:270
2240899130,12cyclictest0-21swapper/007:40:160
139392130,3sleep313950-21ssh12:12:593
2241199129,2cyclictest0-21swapper/311:15:143
2241199129,2cyclictest0-21swapper/308:50:013
2241199120,2cyclictest0-21swapper/310:41:533
2241199120,11cyclictest0-21swapper/312:30:203
2241199120,11cyclictest0-21swapper/312:25:333
2241199120,11cyclictest0-21swapper/309:46:203
2241199120,11cyclictest0-21swapper/307:10:183
2241099129,2cyclictest0-21swapper/212:20:372
2241099129,2cyclictest0-21swapper/210:20:172
2241099129,2cyclictest0-21swapper/209:58:182
2241099129,2cyclictest0-21swapper/209:11:392
2241099129,2cyclictest0-21swapper/208:50:482
2241099129,2cyclictest0-21swapper/207:11:012
2241099122,7cyclictest0-21swapper/208:43:592
2241099122,7cyclictest0-21swapper/207:31:592
2241099122,7cyclictest0-21swapper/207:31:592
2241099120,2cyclictest0-21swapper/212:36:142
2241099120,2cyclictest0-21swapper/212:11:312
2241099120,2cyclictest0-21swapper/212:00:352
2241099120,2cyclictest0-21swapper/211:56:552
2241099120,2cyclictest0-21swapper/207:35:012
2241099120,11cyclictest0-21swapper/212:25:272
2241099120,11cyclictest0-21swapper/210:45:182
2241099120,11cyclictest0-21swapper/210:37:582
2241099120,11cyclictest0-21swapper/207:20:162
2240999129,2cyclictest6541-21diskmemload11:46:341
2240999129,2cyclictest22083-21kworker/u8:107:31:051
2240999129,2cyclictest22083-21kworker/u8:107:31:051
2240999129,2cyclictest22083-21kworker/u8:107:29:041
2240999129,2cyclictest18631-21kworker/u8:108:25:051
2240999129,2cyclictest18631-21kworker/u8:108:25:041
2240999129,2cyclictest12414-21kworker/u8:208:21:051
2240999129,2cyclictest0-21swapper/112:02:341
2240999129,2cyclictest0-21swapper/107:45:511
2240999129,2cyclictest0-21swapper/107:40:011
2240999129,2cyclictest0-21swapper/107:35:381
2240999121,9cyclictest12834-21munin-node1
2240999121,9cyclictest0-21swapper/110:35:151
2240999121,3cyclictest0-21swapper/108:55:181
2240999120,2cyclictest0-21swapper/112:30:201
2240999120,11cyclictest6541-21diskmemload10:15:301
2240999120,11cyclictest0-21swapper/110:30:181
2240999120,11cyclictest0-21swapper/110:10:051
2240899129,2cyclictest7677-21ssh12:05:490
2240899129,2cyclictest0-21swapper/012:20:160
2240899127,3cyclictest1179-21ethtool08:55:160
2240899122,7cyclictest17932-21grep08:15:590
2240899120,11cyclictest0-21swapper/009:40:290
2240899120,11cyclictest0-21swapper/009:31:090
2240899120,10cyclictest0-21swapper/012:17:020
47742110,2sleep30-21swapper/307:45:093
2241199118,2cyclictest23837-21munin-node3
2241199118,2cyclictest0-21swapper/309:00:113
2241199118,2cyclictest0-21swapper/308:36:013
2241199118,2cyclictest0-21swapper/308:10:153
2241099118,2cyclictest0-21swapper/210:02:392
2241099118,2cyclictest0-21swapper/208:21:012
2241099118,2cyclictest0-21swapper/208:06:032
2241099118,2cyclictest0-21swapper/207:50:072
2241099118,2cyclictest0-21swapper/207:45:012
2240999118,2cyclictest0-21swapper/109:26:341
2240999111,2cyclictest10829-21apt-get08:00:111
2240899118,2cyclictest6787-21kworker/u8:008:14:040
2240899118,2cyclictest24137-21kworker/u8:007:13:040
2240899111,6cyclictest0-21swapper/007:58:170
2240899111,2cyclictest19092-21cpuspeed_turbos08:20:120
2240899110,6cyclictest0-21swapper/008:30:010
2240899110,2cyclictest6230-21chrt09:06:050
2240899110,10cyclictest0-21swapper/008:00:160
2241199100,9cyclictest0-21swapper/307:15:403
2241099103,5cyclictest0-21swapper/208:01:012
2240899107,2cyclictest30465-21kworker/u8:109:00:010
2240899107,2cyclictest0-21swapper/008:46:040
2240899107,2cyclictest0-21swapper/008:41:030
2240899105,3cyclictest30828-21head07:30:120
2240899105,3cyclictest30828-21head07:30:110
2240899103,6cyclictest0-21swapper/007:46:020
2240899102,6cyclictest0-21swapper/008:05:020
2240899100,7cyclictest0-21swapper/007:21:020
2240899100,2cyclictest0-21swapper/008:50:080
224119996,2cyclictest0-21swapper/308:00:153
224119995,2cyclictest8583-21latency_hist07:55:003
224119995,2cyclictest3728-21runrttasks08:44:283
224119994,3cyclictest22177-21timerandwakeup08:26:033
224119994,3cyclictest22177-21timerandwakeup08:26:033
224119994,3cyclictest19536-21if_eth008:20:153
224119994,3cyclictest17101-21tr08:15:103
224119994,3cyclictest1486-21ps08:55:193
224109996,2cyclictest0-21swapper/208:25:132
224109996,2cyclictest0-21swapper/208:25:122
224109994,3cyclictest8883-21aten2.4_r3power07:55:122
224109994,3cyclictest23063-21aten2.4_r3power08:30:142
224109994,3cyclictest17119-21tr08:15:112
224119985,2cyclictest12951-21cut08:05:133
224119985,2cyclictest12414-21kworker/u8:208:49:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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