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2026-09-15 - 15:55

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 Tue Sep 15, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26241210579,19sleep00-21swapper/007:05:170
27057210078,5sleep20-21swapper/207:06:112
2662429978,15sleep30-21swapper/307:05:483
2658629578,11sleep10-21swapper/107:05:301
7502810,1sleep311411-21diskmemload10:36:023
110192700,6sleep32738399cyclictest07:47:023
195572670,0sleep10-21swapper/110:22:201
27380993516,17cyclictest0-21swapper/011:40:120
27383993330,2cyclictest4151-21kworker/u8:109:37:053
27383993329,2cyclictest11560-21kworker/u8:010:53:053
27383993229,2cyclictest16082-21kworker/u8:112:37:053
27383993128,2cyclictest14371-21kworker/u8:010:22:053
27382993128,2cyclictest30534-21kworker/u8:012:24:022
27381993128,2cyclictest24200-21kworker/u8:110:18:021
27383993027,2cyclictest29918-21kworker/u8:209:25:053
27383993027,2cyclictest19636-21kworker/u8:210:42:053
2738399300,18cyclictest0-21swapper/310:18:023
27381993027,2cyclictest4151-21kworker/u8:109:49:051
27383992926,2cyclictest6028-21kworker/u8:111:08:053
27383992926,2cyclictest4151-21kworker/u8:109:46:053
27383992926,2cyclictest4151-21kworker/u8:109:44:043
27383992926,2cyclictest24200-21kworker/u8:110:07:033
27383992926,2cyclictest24195-21kworker/u8:112:10:053
27382992926,2cyclictest4486-21kworker/u8:211:23:042
27382992926,2cyclictest26706-21kworker/u8:009:29:052
27382992926,2cyclictest26660-21kworker/u8:010:40:062
27382992926,2cyclictest24200-21kworker/u8:110:16:052
27381992926,2cyclictest18989-21kworker/u8:009:53:041
27383992825,2cyclictest4486-21kworker/u8:211:22:053
27383992825,2cyclictest4486-21kworker/u8:211:19:053
27383992825,2cyclictest10194-21kworker/u8:011:39:053
27382992825,2cyclictest6028-21kworker/u8:111:04:062
27382992825,2cyclictest6028-21kworker/u8:110:59:042
27382992825,2cyclictest30534-21kworker/u8:012:27:052
27382992825,2cyclictest24200-21kworker/u8:110:13:052
27381992825,2cyclictest29902-21kworker/u8:211:46:041
27383992724,2cyclictest31109-21kworker/u8:011:10:063
27383992724,2cyclictest24195-21kworker/u8:112:06:023
27383992724,2cyclictest21450-21kworker/u8:109:22:053
27383992724,2cyclictest14794-21kworker/u8:009:17:033
27383992724,2cyclictest10194-21kworker/u8:011:43:053
27383992724,2cyclictest10194-21kworker/u8:011:26:023
27382992724,2cyclictest4110-21kworker/u8:111:56:022
27382992724,2cyclictest29918-21kworker/u8:209:54:062
27382992724,2cyclictest29902-21kworker/u8:211:48:042
27382992724,2cyclictest17048-21kworker/u8:012:03:052
27382992724,2cyclictest16082-21kworker/u8:112:34:022
27382992724,2cyclictest14794-21kworker/u8:009:15:042
27382992724,2cyclictest10194-21kworker/u8:011:42:022
27381992724,2cyclictest31109-21kworker/u8:011:07:051
27381992724,2cyclictest19636-21kworker/u8:210:39:051
27383992623,2cyclictest6028-21kworker/u8:111:02:053
27383992623,2cyclictest29902-21kworker/u8:211:52:053
27383992623,2cyclictest24200-21kworker/u8:110:30:013
27383992623,2cyclictest17342-21kworker/u8:111:32:043
27383992623,2cyclictest17048-21kworker/u8:012:02:053
27383992623,2cyclictest10963-21kworker/u8:212:32:053
27382992623,2cyclictest4151-21kworker/u8:109:40:042
27382992623,2cyclictest26706-21kworker/u8:009:30:042
27382992623,2cyclictest19636-21kworker/u8:210:38:052
27382992623,2cyclictest18989-21kworker/u8:009:55:032
27382992623,2cyclictest17342-21kworker/u8:111:34:022
27382992623,2cyclictest11560-21kworker/u8:010:51:052
27381992623,2cyclictest24200-21kworker/u8:110:09:051
27381992623,2cyclictest24200-21kworker/u8:110:02:051
27382992522,2cyclictest4486-21kworker/u8:211:14:022
27382992522,2cyclictest4151-21kworker/u8:109:39:042
27382992522,2cyclictest24200-21kworker/u8:110:08:052
27382992522,2cyclictest17342-21kworker/u8:111:29:052
27381992522,2cyclictest19636-21kworker/u8:210:41:051
27381992522,2cyclictest17342-21kworker/u8:111:28:051
27381992522,2cyclictest10194-21kworker/u8:011:36:041
27383992421,2cyclictest29918-21kworker/u8:209:31:053
27383992421,2cyclictest29902-21kworker/u8:211:49:043
27383992421,2cyclictest24200-21kworker/u8:110:26:053
27383992421,2cyclictest23797-21kworker/u8:009:00:053
27382992421,2cyclictest8851-21kworker/u8:107:16:042
27382992421,2cyclictest6028-21kworker/u8:111:05:052
27382992421,2cyclictest4110-21kworker/u8:111:50:052
27382992421,2cyclictest24195-21kworker/u8:112:16:052
27382992421,2cyclictest23797-21kworker/u8:008:47:052
27382992421,2cyclictest11560-21kworker/u8:010:48:062
27381992421,2cyclictest4486-21kworker/u8:211:22:011
27381992421,2cyclictest24200-21kworker/u8:110:30:061
2738099240,2cyclictest0-21swapper/012:20:120
2738099240,22cyclictest0-21swapper/007:35:000
27383992320,2cyclictest29918-21kworker/u8:209:51:053
27382992320,2cyclictest24200-21kworker/u8:110:00:022
27382992320,2cyclictest24195-21kworker/u8:112:07:052
27382992320,2cyclictest21450-21kworker/u8:109:20:052
27382992320,2cyclictest19528-21kworker/u8:307:10:042
27381992320,2cyclictest29918-21kworker/u8:209:59:031
27381992320,2cyclictest29902-21kworker/u8:211:40:051
27381992320,2cyclictest24195-21kworker/u8:112:12:041
27381992320,2cyclictest21450-21kworker/u8:109:23:051
2738099231,20cyclictest18873-21cat12:00:000
27383992219,2cyclictest31313-21kworker/u8:207:56:043
27383992219,2cyclictest30534-21kworker/u8:012:28:023
27383992219,2cyclictest29902-21kworker/u8:211:59:043
27383992219,2cyclictest27633-21kworker/u8:007:15:043
27383992219,2cyclictest24195-21kworker/u8:112:20:043
27383992219,2cyclictest17392-21kworker/u8:108:24:043
27383992219,2cyclictest14794-21kworker/u8:009:13:053
27383992219,2cyclictest11560-21kworker/u8:010:49:053
27382992219,2cyclictest31313-21kworker/u8:207:47:052
27382992219,2cyclictest23797-21kworker/u8:008:35:052
27382992219,2cyclictest17392-21kworker/u8:108:17:032
27382992219,2cyclictest1214-21kworker/u8:107:26:032
27381992219,2cyclictest6028-21kworker/u8:111:10:011
27381992219,2cyclictest26706-21kworker/u8:009:26:021
27381992219,2cyclictest14794-21kworker/u8:009:19:051
27381992218,3cyclictest6028-21kworker/u8:111:17:051
2738099220,2cyclictest0-21swapper/010:25:150
2738099220,20cyclictest0-21swapper/010:06:030
27383992118,2cyclictest24195-21kworker/u8:112:15:053
27382992118,2cyclictest31313-21kworker/u8:207:35:052
27382992118,2cyclictest29918-21kworker/u8:208:54:052
27382992118,2cyclictest29918-21kworker/u8:208:41:042
27382992118,2cyclictest24200-21kworker/u8:110:25:042
27381992118,2cyclictest24200-21kworker/u8:110:27:041
27381992118,2cyclictest24195-21kworker/u8:112:17:051
27381992118,2cyclictest17392-21kworker/u8:108:06:041
27381992118,2cyclictest11560-21kworker/u8:010:48:011
2738099210,2cyclictest0-21swapper/011:36:060
2738099210,2cyclictest0-21swapper/011:15:580
2738099210,2cyclictest0-21swapper/010:31:190
2738099210,2cyclictest0-21swapper/010:04:110
2738099210,2cyclictest0-21swapper/009:54:230
2738099210,2cyclictest0-21swapper/009:12:080
2738099210,2cyclictest0-21swapper/008:45:150
2738099210,19cyclictest19608-21ssh12:32:450
2738099210,19cyclictest0-21swapper/009:40:110
2738099210,19cyclictest0-21swapper/008:55:160
180952210,0sleep00-21swapper/009:15:460
27383992017,2cyclictest31313-21kworker/u8:207:36:003
27383992017,2cyclictest1214-21kworker/u8:107:30:043
2738399200,2cyclictest0-21swapper/309:59:043
27382992017,2cyclictest31313-21kworker/u8:207:58:042
27382992017,2cyclictest29918-21kworker/u8:209:02:012
27382992017,2cyclictest23797-21kworker/u8:008:26:042
27382992017,2cyclictest11546-21kworker/u8:008:03:052
27381992017,2cyclictest6028-21kworker/u8:111:03:051
27381992017,2cyclictest31313-21kworker/u8:207:20:041
27381992017,2cyclictest30534-21kworker/u8:012:24:061
27381992017,2cyclictest10194-21kworker/u8:011:30:021
2738199200,2cyclictest0-21swapper/112:39:041
2738199200,18cyclictest0-21swapper/110:52:051
2738099200,2cyclictest0-21swapper/012:36:270
2738099200,2cyclictest0-21swapper/012:25:100
2738099200,2cyclictest0-21swapper/012:17:070
2738099200,2cyclictest0-21swapper/012:00:180
2738099200,2cyclictest0-21swapper/011:50:310
2738099200,2cyclictest0-21swapper/011:45:590
2738099200,2cyclictest0-21swapper/011:30:470
2738099200,2cyclictest0-21swapper/011:26:150
2738099200,2cyclictest0-21swapper/011:22:190
2738099200,2cyclictest0-21swapper/011:05:040
2738099200,2cyclictest0-21swapper/010:55:190
2738099200,2cyclictest0-21swapper/010:46:460
2738099200,2cyclictest0-21swapper/010:41:390
2738099200,2cyclictest0-21swapper/010:35:110
2738099200,2cyclictest0-21swapper/010:21:180
2738099200,2cyclictest0-21swapper/010:15:110
2738099200,2cyclictest0-21swapper/009:55:140
2738099200,2cyclictest0-21swapper/009:47:060
2738099200,2cyclictest0-21swapper/009:36:270
2738099200,2cyclictest0-21swapper/009:30:160
2738099200,2cyclictest0-21swapper/009:26:110
2738099200,2cyclictest0-21swapper/009:20:110
2738099200,2cyclictest0-21swapper/008:14:190
2738099200,2cyclictest0-21swapper/007:30:150
2738099200,2cyclictest0-21swapper/007:25:110
2738099200,1cyclictest0-21swapper/011:00:190
2738099200,18cyclictest0-21swapper/012:11:060
2738099200,18cyclictest0-21swapper/010:51:370
27383991916,2cyclictest8310-21kworker/u8:210:14:053
27383991916,2cyclictest31313-21kworker/u8:207:50:043
27383991916,2cyclictest31313-21kworker/u8:207:41:043
27383991916,2cyclictest29918-21kworker/u8:209:07:053
27383991916,2cyclictest19755-21kworker/u8:208:15:043
27383991916,2cyclictest17392-21kworker/u8:108:25:043
2738399190,2cyclictest0-21swapper/310:02:053
2738399190,2cyclictest0-21swapper/308:06:043
27382991916,2cyclictest31313-21kworker/u8:207:51:032
27382991916,2cyclictest19636-21kworker/u8:210:33:032
27382991916,2cyclictest17392-21kworker/u8:108:20:042
27382991916,2cyclictest17392-21kworker/u8:108:07:042
2738299190,2cyclictest31639-21ssh12:12:042
2738299190,2cyclictest0-21swapper/211:35:052
2738299190,2cyclictest0-21swapper/211:17:052
27381991916,2cyclictest30534-21kworker/u8:012:28:061
2738199190,2cyclictest0-21swapper/109:42:051
2738199190,2cyclictest0-21swapper/109:37:051
2738099191,16cyclictest27157-21grep08:26:050
2738099190,2cyclictest0-21swapper/012:05:070
2738099190,2cyclictest0-21swapper/011:10:220
2738099190,2cyclictest0-21swapper/010:11:180
2738099190,2cyclictest0-21swapper/009:05:030
2738099190,2cyclictest0-21swapper/009:04:030
2738099190,2cyclictest0-21swapper/008:50:030
2738099190,2cyclictest0-21swapper/008:40:190
2738099190,2cyclictest0-21swapper/008:35:110
2738099190,2cyclictest0-21swapper/008:33:380
2738099190,2cyclictest0-21swapper/008:23:230
2738099190,2cyclictest0-21swapper/008:15:350
2738099190,2cyclictest0-21swapper/008:05:140
2738099190,2cyclictest0-21swapper/007:59:270
2738099190,2cyclictest0-21swapper/007:54:190
2738099190,2cyclictest0-21swapper/007:48:230
2738099190,2cyclictest0-21swapper/007:40:180
2738099190,2cyclictest0-21swapper/007:20:190
2738099190,2cyclictest0-21swapper/007:15:220
2738099190,2cyclictest0-21swapper/007:10:150
27382991815,2cyclictest29918-21kworker/u8:209:05:042
27382991815,2cyclictest19755-21kworker/u8:208:14:042
27382991815,2cyclictest0-21swapper/207:20:132
2738299180,2cyclictest0-21swapper/209:49:052
27381991815,2cyclictest29918-21kworker/u8:209:34:011
2738199180,2cyclictest0-21swapper/112:32:051
2738099180,2cyclictest0-21swapper/008:01:110
27383991714,2cyclictest29918-21kworker/u8:208:56:053
27383991714,2cyclictest29918-21kworker/u8:208:38:013
27382991714,2cyclictest29918-21kworker/u8:208:58:052
27382991714,2cyclictest21462-21ssh12:35:112
27381991714,2cyclictest29918-21kworker/u8:208:45:041
27381991714,2cyclictest29918-21kworker/u8:208:36:011
27381991714,2cyclictest27633-21kworker/u8:007:25:041
27381991714,2cyclictest23797-21kworker/u8:008:50:051
2738199170,2cyclictest0-21swapper/112:02:041
27383991613,2cyclictest23797-21kworker/u8:008:32:043
27383991613,2cyclictest19755-21kworker/u8:208:11:053
27381991613,2cyclictest29918-21kworker/u8:208:57:041
2738199160,14cyclictest0-21swapper/111:51:051
2738399150,2cyclictest0-21swapper/308:50:043
2738399150,2cyclictest0-21swapper/308:45:043
2738399150,2cyclictest0-21swapper/307:25:053
27382991512,2cyclictest31313-21kworker/u8:207:44:042
27382991512,2cyclictest31313-21kworker/u8:207:34:012
27381991512,2cyclictest17392-21kworker/u8:108:16:031
27381991511,3cyclictest9616-21kworker/u8:109:11:041
2738199150,2cyclictest0-21swapper/109:00:051
2738199150,14cyclictest0-21swapper/108:24:041
27383991411,2cyclictest0-21swapper/308:00:143
2738199140,2cyclictest0-21swapper/112:08:051
2738199140,13cyclictest0-21swapper/109:05:171
27383991310,2cyclictest0-21swapper/307:10:123
2738399130,12cyclictest0-21swapper/310:58:143
27382991310,2cyclictest23797-21kworker/u8:008:30:042
2738299130,2cyclictest12625-21missed_timers09:10:182
2738299130,2cyclictest0-21swapper/210:23:042
27381991310,2cyclictest31313-21kworker/u8:207:53:031
27381991310,2cyclictest0-21swapper/107:33:201
2738199130,2cyclictest0-21swapper/107:56:041
2738199130,2cyclictest0-21swapper/107:17:041
2738199130,12cyclictest0-21swapper/111:55:031
2738199130,12cyclictest0-21swapper/108:40:291
2738399120,2cyclictest0-21swapper/307:20:043
2738199129,2cyclictest0-21swapper/107:46:031
2738199129,2cyclictest0-21swapper/107:10:151
2738199120,2cyclictest0-21swapper/108:31:051
2738199120,11cyclictest0-21swapper/110:55:171
2738199120,11cyclictest0-21swapper/110:10:161
267522120,2sleep10-21swapper/108:25:311
2738199118,2cyclictest31313-21kworker/u8:208:00:041
2738199118,2cyclictest31313-21kworker/u8:207:42:011
2738199110,9cyclictest19686-21munin-node1
2738199110,10cyclictest0-21swapper/107:35:531
2738399100,9cyclictest0-21swapper/308:44:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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