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2026-07-05 - 05:51

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 Sun Jul 05, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31183211794,18sleep00-21swapper/019:08:200
30491211596,12sleep20-21swapper/219:05:182
31211211194,12sleep30-21swapper/319:08:443
30604210897,6sleep10-21swapper/119:05:581
20882710,1sleep12092-21cut23:16:021
140532680,1sleep3381ktimersoftd/323:29:543
3134399280,10cyclictest0-21swapper/320:20:123
34692270,1sleep23472-21cpuspeed_turbos20:40:122
274102260,1sleep127413-21sed20:19:591
3134199230,2cyclictest0-21swapper/123:55:021
258382220,0sleep00-21swapper/023:41:500
3134399210,19cyclictest0-21swapper/322:35:113
3134399210,19cyclictest0-21swapper/322:35:103
3134199210,19cyclictest0-21swapper/122:35:111
3134199210,19cyclictest0-21swapper/122:35:101
3134199210,19cyclictest0-21swapper/121:10:131
3134399180,2cyclictest0-21swapper/323:55:013
3134299172,13cyclictest9767-21forks19:35:132
3134199170,2cyclictest0-21swapper/100:25:121
3134399161,3cyclictest0-21swapper/322:21:003
3134399160,14cyclictest0-21swapper/321:44:053
234892160,0sleep20-21swapper/221:53:542
3134399151,12cyclictest10066-21needreboot00:35:183
3134299151,3cyclictest17791-21ssh21:11:442
3134299151,3cyclictest0-21swapper/223:38:582
3134299151,2cyclictest9852-21apt-get22:50:112
31342991512,2cyclictest0-21swapper/223:05:142
3134299151,12cyclictest6491-21cut22:45:172
3134299151,12cyclictest6491-21cut22:45:162
3134299151,12cyclictest3649-21snmpd21:36:332
3134299151,12cyclictest0-21swapper/222:59:452
31342991510,3cyclictest29026-21ssh22:00:012
3134299150,14cyclictest0-21swapper/221:41:042
3134299150,13cyclictest0-21swapper/219:40:132
3134299150,13cyclictest0-21swapper/219:20:162
3134299150,13cyclictest0-21swapper/200:01:252
3134199152,7cyclictest0-21swapper/120:09:591
31341991512,2cyclictest0-21swapper/121:30:111
3134199150,13cyclictest11096-21awk00:01:031
3134099150,13cyclictest21789-21ssh22:26:040
3134099150,13cyclictest0-21swapper/023:56:340
3134099150,13cyclictest0-21swapper/023:15:150
84412140,2sleep00-21swapper/022:11:560
3134399142,6cyclictest0-21swapper/322:15:013
3134399142,6cyclictest0-21swapper/300:20:003
3134299141,2cyclictest24720-21munin-node2
31342991411,2cyclictest15441-21kworker/u8:022:25:052
31342991411,2cyclictest1086-21ssh00:25:252
3134299140,3cyclictest0-21swapper/222:30:172
3134299140,2cyclictest0-21swapper/222:24:442
3134299140,2cyclictest0-21swapper/200:23:042
3134299140,2cyclictest0-21swapper/200:11:302
3134299140,13cyclictest0-21swapper/223:51:142
3134299140,13cyclictest0-21swapper/221:48:252
3134299140,13cyclictest0-21swapper/221:34:432
3134299140,13cyclictest0-21swapper/200:35:152
3134299140,13cyclictest0-21swapper/200:06:042
3134299140,12cyclictest31210-21rm23:48:102
3134299140,12cyclictest0-21swapper/219:50:182
3134199141,3cyclictest16406-21cut19:50:181
31341991411,2cyclictest0-21swapper/122:53:091
31341991410,2cyclictest0-21swapper/123:35:151
3134199140,3cyclictest0-21swapper/120:10:511
3134099140,2cyclictest0-21swapper/020:50:150
3134099140,13cyclictest0-21swapper/023:07:540
3134099140,12cyclictest13816-21apt-get00:05:060
3134099140,12cyclictest0-21swapper/022:07:040
3134099140,12cyclictest0-21swapper/019:35:000
303992140,2sleep00-21swapper/022:00:390
238582140,2sleep00-21swapper/021:19:090
157982140,3sleep00-21swapper/022:55:410
86942130,2sleep115154-21diskmemload21:37:071
3134399132,9cyclictest0-21swapper/323:43:273
3134399132,8cyclictest1070-21ssh21:30:003
3134399132,6cyclictest0-21swapper/322:30:003
31343991310,2cyclictest0-21swapper/321:20:143
31343991310,2cyclictest0-21swapper/320:30:203
3134399130,2cyclictest0-21swapper/322:41:153
3134399130,2cyclictest0-21swapper/322:41:143
3134399130,2cyclictest0-21swapper/320:40:593
3134399130,12cyclictest0-21swapper/320:10:113
31342991310,2cyclictest2304-21kworker/u8:323:56:042
31342991310,2cyclictest17719-21kworker/u8:022:11:052
31342991310,2cyclictest17719-21kworker/u8:021:55:042
31342991310,2cyclictest15154-21diskmemload22:35:042
31342991310,2cyclictest15154-21diskmemload22:35:032
31342991310,2cyclictest0-21swapper/223:31:342
31342991310,2cyclictest0-21swapper/223:27:192
31342991310,2cyclictest0-21swapper/223:23:592
31342991310,2cyclictest0-21swapper/222:05:162
31342991310,2cyclictest0-21swapper/221:27:532
31342991310,2cyclictest0-21swapper/221:15:302
31342991310,2cyclictest0-21swapper/220:00:022
3134299130,2cyclictest4717-21ssh22:43:582
3134299130,2cyclictest4717-21ssh22:43:572
3134299130,2cyclictest31411-21ssh23:13:002
3134299130,2cyclictest0-21swapper/223:18:082
3134299130,2cyclictest0-21swapper/220:25:122
3134299130,2cyclictest0-21swapper/220:05:172
3134299130,2cyclictest0-21swapper/200:32:022
3134299130,2cyclictest0-21swapper/200:16:552
3134299130,12cyclictest25500-21ssh23:41:172
3134299130,12cyclictest0-21swapper/222:15:552
3134199138,3cyclictest1096-21munin-node1
3134199132,6cyclictest13906-21copy00:05:001
3134199130,11cyclictest15154-21diskmemload23:46:391
3134199130,11cyclictest0-21swapper/123:20:171
3134099131,11cyclictest0-21swapper/023:11:210
3134099131,10cyclictest3150-21nscd22:35:070
3134099131,10cyclictest3150-21nscd22:35:060
31340991310,2cyclictest7915-21ssh23:22:170
31340991310,2cyclictest0-21swapper/023:50:150
31340991310,2cyclictest0-21swapper/023:45:180
31340991310,2cyclictest0-21swapper/023:25:180
31340991310,2cyclictest0-21swapper/022:47:540
31340991310,2cyclictest0-21swapper/022:47:540
31340991310,2cyclictest0-21swapper/021:47:450
31340991310,2cyclictest0-21swapper/021:32:260
31340991310,2cyclictest0-21swapper/000:38:060
31340991310,2cyclictest0-21swapper/000:33:000
31340991310,2cyclictest0-21swapper/000:18:080
31340991310,2cyclictest0-21swapper/000:14:430
3134099130,2cyclictest3494-21sed20:40:120
3134099130,2cyclictest0-21swapper/023:36:250
3134099130,2cyclictest0-21swapper/022:41:150
3134099130,2cyclictest0-21swapper/022:41:140
3134099130,2cyclictest0-21swapper/000:26:050
3134099130,2cyclictest0-21swapper/000:00:370
3134099130,12cyclictest15154-21diskmemload22:22:040
3134099130,12cyclictest0-21swapper/023:34:440
3134099130,12cyclictest0-21swapper/023:00:550
3134099130,12cyclictest0-21swapper/021:55:040
3134099130,12cyclictest0-21swapper/021:25:450
3134099130,11cyclictest0-21swapper/022:50:470
270612130,2sleep115154-21diskmemload22:32:091
121272130,2sleep30-21swapper/321:00:173
3134399129,2cyclictest0-21swapper/319:21:013
3134399127,3cyclictest10692-21ssh22:15:123
3134399122,7cyclictest0-21swapper/323:01:583
3134399122,5cyclictest0-21swapper/322:50:013
3134399122,5cyclictest0-21swapper/322:50:003
3134399120,2cyclictest0-21swapper/323:12:163
3134399120,2cyclictest0-21swapper/322:50:123
3134399120,2cyclictest0-21swapper/321:56:363
3134399120,2cyclictest0-21swapper/321:37:173
3134399120,11cyclictest0-21swapper/322:01:493
3134399120,11cyclictest0-21swapper/321:05:103
3134399120,10cyclictest4863-21ssh22:08:383
3134399120,10cyclictest0-21swapper/323:36:263
3134299129,2cyclictest6944-21kworker/u8:019:30:062
3134299129,2cyclictest32577-21kworker/u8:119:11:042
3134299129,2cyclictest0-21swapper/223:00:022
3134299129,2cyclictest0-21swapper/220:55:142
3134299129,2cyclictest0-21swapper/219:45:172
3134299120,2cyclictest0-21swapper/220:30:152
3134299120,1cyclictest0-21swapper/220:11:012
3134199129,2cyclictest10811-21open_inodes23:25:191
3134199129,2cyclictest0-21swapper/100:10:171
3134199127,3cyclictest9595-21sed22:50:011
3134199127,3cyclictest9595-21sed22:50:001
3134199127,3cyclictest14582-21rm21:44:241
3134199127,3cyclictest0-21swapper/121:50:111
3134199127,3cyclictest0-21swapper/119:15:161
3134199123,7cyclictest0-21swapper/122:25:131
3134199122,6cyclictest0-21swapper/123:31:011
3134199122,6cyclictest0-21swapper/120:34:591
3134199122,5cyclictest0-21swapper/122:20:001
3134199122,5cyclictest0-21swapper/121:10:001
3134199122,5cyclictest0-21swapper/119:40:001
3134199121,9cyclictest5314-21munin-node1
3134199121,9cyclictest0-21swapper/119:45:161
3134199121,3cyclictest0-21swapper/121:50:001
3134199121,3cyclictest0-21swapper/100:35:181
3134199120,3cyclictest0-21swapper/121:01:031
3134199120,3cyclictest0-21swapper/120:50:161
3134199120,2cyclictest0-21swapper/123:10:171
3134199120,2cyclictest0-21swapper/122:55:501
3134199120,2cyclictest0-21swapper/122:05:091
3134199120,2cyclictest0-21swapper/121:15:181
3134199120,11cyclictest0-21swapper/100:34:181
3134199120,10cyclictest0-21swapper/123:40:501
3134199120,10cyclictest0-21swapper/122:11:461
3134099129,2cyclictest0-21swapper/022:15:210
3134099129,2cyclictest0-21swapper/021:50:050
3134099129,2cyclictest0-21swapper/021:35:060
3134099120,2cyclictest0-21swapper/000:21:070
3134099120,11cyclictest31619-21kworker/u8:120:46:050
3134099120,11cyclictest0-21swapper/022:30:480
3134099120,11cyclictest0-21swapper/021:40:030
3134099120,11cyclictest0-21swapper/021:20:030
3134099120,11cyclictest0-21swapper/021:10:440
3134099120,11cyclictest0-21swapper/021:01:030
3134099120,11cyclictest0-21swapper/020:05:150
3134099120,11cyclictest0-21swapper/019:46:010
3134099120,11cyclictest0-21swapper/019:35:130
3134099120,11cyclictest0-21swapper/019:25:180
3134099120,11cyclictest0-21swapper/019:10:130
3134099120,10cyclictest31619-21kworker/u8:120:33:040
222022120,2sleep322212-21ssh21:51:433
188962120,1sleep10-21swapper/122:23:521
3134399118,2cyclictest0-21swapper/320:35:123
3134399116,3cyclictest2849-21rs:main3
3134399116,3cyclictest14660-21cpuspeed_turbos23:30:133
3134399116,3cyclictest14612-21aten2.4_r3power22:55:143
3134399112,6cyclictest0-21swapper/322:29:583
3134399112,6cyclictest0-21swapper/321:47:593
3134399111,3cyclictest30639-21ssh23:47:123
3134399110,9cyclictest0-21swapper/323:53:453
3134399110,2cyclictest15154-21diskmemload00:33:523
3134399110,2cyclictest0-21swapper/300:01:133
3134399110,1cyclictest0-21swapper/321:32:363
3134399110,10cyclictest0-21swapper/321:16:083
3134399110,10cyclictest0-21swapper/320:15:113
3134299118,2cyclictest27516-21kworker/u8:220:23:052
3134299118,2cyclictest0-21swapper/220:46:022
3134299113,3cyclictest13281-21cat21:05:002
3134299110,4cyclictest274132sed20:19:592
3134199118,2cyclictest0-21swapper/121:55:501
3134199118,2cyclictest0-21swapper/121:20:191
3134199118,2cyclictest0-21swapper/100:15:111
3134199116,3cyclictest28145-21df00:20:121
3134199116,3cyclictest0-21swapper/119:30:141
3134199111,8cyclictest29912-21cut21:25:151
3134199111,8cyclictest0-21swapper/120:20:131
3134199111,8cyclictest0-21swapper/120:01:021
3134199111,6cyclictest0-21swapper/123:01:541
3134199111,3cyclictest29732-21perl22:00:151
3134199111,2cyclictest0-21swapper/123:50:131
3134199110,9cyclictest0-21swapper/120:26:001
3134199110,3cyclictest0-21swapper/123:05:141
3134199110,10cyclictest15154-21diskmemload22:41:201
3134199110,10cyclictest15154-21diskmemload22:41:191
3134099110,9cyclictest0-21swapper/020:00:190
184882110,7sleep30-21swapper/321:12:563
3134399105,3cyclictest7702-21df_abs19:30:153
3134399105,3cyclictest30051-21sh00:21:323
3134399105,3cyclictest21782-21tr20:05:133
3134399105,3cyclictest20520-21sshd20:00:453
3134399105,3cyclictest20379-21cat00:11:033
3134399105,3cyclictest15654-21tr19:50:133
3134399105,3cyclictest15154-21diskmemload00:28:363
3134399105,3cyclictest14335-21aten2.4_r3power00:05:133
3134399105,3cyclictest13913-21fschecks_time19:45:133
3134399101,5cyclictest0-21swapper/323:25:013
3134399101,5cyclictest0-21swapper/323:05:123
3134399100,6cyclictest0-21swapper/319:41:023
3134299107,2cyclictest0-21swapper/220:51:032
3134299106,3cyclictest6944-21kworker/u8:019:29:042
3134299105,3cyclictest2548-21grep20:36:012
3134199107,2cyclictest0-21swapper/120:55:161
3134199107,2cyclictest0-21swapper/119:10:101
3134199100,8cyclictest0-21swapper/119:55:141
3134199100,8cyclictest0-21swapper/119:20:161
3134199100,2cyclictest0-21swapper/120:40:111
3134099107,2cyclictest0-21swapper/019:15:500
313439997,1cyclictest0-21swapper/319:10:113
313439994,3cyclictest9393-21aten2.4-expect19:35:113
313439994,3cyclictest9346-21aten2.4_r3power20:55:133
313439994,3cyclictest6145-21needreboot20:45:173
313439994,3cyclictest5837-21grep19:25:133
313439994,3cyclictest3728-21runrttasks19:59:213
313429996,2cyclictest0-21swapper/219:55:142
313429994,3cyclictest13421-21head21:05:112
313419990,2cyclictest0-21swapper/120:45:161
313419990,2cyclictest0-21swapper/119:40:171
313409996,2cyclictest0-21swapper/020:28:240
313409994,4cyclictest0-21swapper/019:55:040
313409990,8cyclictest7448-21kworker/u8:020:55:040
313409990,8cyclictest32577-21kworker/u8:119:22:050
313409990,2cyclictest0-21swapper/019:40:400
23619290,5sleep00-21swapper/020:10:150
313439985,2cyclictest0-21swapper/320:50:003
313439983,3cyclictest29655-21aten2.4_r3power20:25:113
313439983,3cyclictest1147-21aten2.4_r3power19:15:133
313429983,3cyclictest1269-21cpu19:15:122
313409985,2cyclictest281042sleep020:20:160
313409984,2cyclictest3728-21runrttasks19:50:090
313409983,3cyclictest13996-21if_eth021:05:140
2632280,1sleep00-21swapper/020:36:430
313409973,2cyclictest25849-21df_abs20:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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