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2026-04-08 - 19:12

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 Wed Apr 08, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17905211795,16sleep20-21swapper/207:08:142
17918211693,18sleep00-21swapper/007:08:240
18025211593,16sleep30-21swapper/307:09:473
17853210080,14sleep10-21swapper/107:07:341
299732730,0sleep20-21swapper/210:45:172
206142690,0sleep20-21swapper/212:16:072
203072570,0sleep00-21swapper/009:29:020
167072570,0sleep20-21swapper/211:39:162
121552330,1sleep337-21rcuc/311:00:163
1807399230,21cyclictest0-21swapper/310:20:023
1807399230,21cyclictest0-21swapper/310:20:023
1807199221,19cyclictest0-21swapper/110:55:101
1807199220,20cyclictest0-21swapper/110:20:011
1807199220,20cyclictest0-21swapper/110:20:011
317352210,1sleep20-21swapper/211:20:272
1807399211,18cyclictest30579-21ssh11:20:113
1807199211,2cyclictest0-21swapper/108:55:101
313212200,1sleep00-21swapper/009:40:120
195612200,2sleep011-21rcuc/012:15:160
18072992017,2cyclictest32172-21kworker/u8:009:38:052
1807199200,2cyclictest0-21swapper/112:05:111
18072991916,2cyclictest14696-21kworker/u8:110:59:042
18071991914,3cyclictest25383-21latency_hist11:15:011
1807199191,16cyclictest0-21swapper/110:45:101
1807399171,14cyclictest17976-21ssh10:00:103
18072991714,2cyclictest32172-21kworker/u8:009:10:052
1807399160,14cyclictest0-21swapper/307:45:103
1807299160,14cyclictest16926-21ssh10:31:352
1807199161,3cyclictest29145-21ntpq12:25:171
18071991612,2cyclictest0-21swapper/111:41:581
277122150,3sleep027726-21ssh10:43:220
1807399151,12cyclictest24811-21ssh12:20:463
1807399151,12cyclictest10302-21df_inode08:10:133
18073991510,3cyclictest24947-21modprobe10:40:143
1807399150,2cyclictest1721-21apt-get09:10:103
1807399150,13cyclictest4635-21latency_hist10:20:003
1807399150,13cyclictest4635-21latency_hist10:20:003
1807399150,13cyclictest23538-21kernelversion10:05:153
1807399150,13cyclictest17661-21basename11:40:113
1807399150,13cyclictest0-21swapper/311:45:113
1807299151,2cyclictest0-21swapper/208:40:112
18072991512,2cyclictest6447-21kworker/u8:212:12:052
18072991512,2cyclictest2405-21kworker/u8:210:17:042
18072991512,2cyclictest2405-21kworker/u8:210:17:042
1807299151,12cyclictest26377-21ssh10:08:332
1807299151,12cyclictest0-21swapper/210:25:142
1807299151,12cyclictest0-21swapper/210:25:132
1807299150,14cyclictest0-21swapper/208:50:162
1807299150,13cyclictest0-21swapper/210:10:462
1807199151,3cyclictest0-21swapper/109:15:021
1807199151,12cyclictest2979-21apt-get09:45:051
18071991510,3cyclictest0-21swapper/110:15:211
18071991510,3cyclictest0-21swapper/110:15:211
18071991510,3cyclictest0-21swapper/109:40:151
1807199150,13cyclictest0-21swapper/111:36:481
1807099150,13cyclictest30852-21ssh12:27:070
81632140,3sleep20-21swapper/212:37:082
1807399149,3cyclictest0-21swapper/309:05:003
1807399142,6cyclictest0-21swapper/309:00:003
1807399141,2cyclictest10639-21ssh09:51:403
18073991411,2cyclictest27633-21rm10:10:103
18073991411,2cyclictest0-21swapper/308:05:113
1807399140,3cyclictest0-21swapper/312:08:513
1807399140,2cyclictest0-21swapper/310:46:503
1807399140,13cyclictest0-21swapper/310:56:003
1807399140,12cyclictest24908-21smartctl07:25:143
1807399140,12cyclictest1405-21diskmemload09:35:133
1807399140,12cyclictest0-21swapper/308:15:153
18072991411,2cyclictest6557-21kworker/u8:009:52:052
18072991411,2cyclictest5816-21kworker/u8:011:07:042
18072991411,2cyclictest31019-21kworker/u8:209:42:042
18072991411,2cyclictest28942-21kworker/u8:012:06:052
18072991411,2cyclictest2405-21kworker/u8:210:24:042
18072991411,2cyclictest2405-21kworker/u8:210:24:042
18072991411,2cyclictest20987-21kworker/u8:010:37:042
18072991411,2cyclictest16079-21apt-get09:25:062
18072991411,2cyclictest0-21swapper/208:45:102
1807299140,3cyclictest1405-21diskmemload11:16:282
1807299140,3cyclictest0-21swapper/211:32:262
1807299140,2cyclictest0-21swapper/212:00:142
1807299140,2cyclictest0-21swapper/211:53:562
1807299140,2cyclictest0-21swapper/207:25:162
1807199149,3cyclictest0-21swapper/111:55:121
18071991411,2cyclictest1405-21diskmemload12:35:181
18071991411,2cyclictest0-21swapper/111:31:481
18071991411,2cyclictest0-21swapper/110:42:281
18071991411,2cyclictest0-21swapper/110:36:081
18071991411,2cyclictest0-21swapper/109:53:371
18071991410,2cyclictest0-21swapper/109:10:111
1807199140,13cyclictest0-21swapper/110:31:181
1807199140,12cyclictest1405-21diskmemload12:00:001
1807199140,12cyclictest0-21swapper/109:28:251
18070991411,2cyclictest32172-21kworker/u8:009:18:040
18070991411,2cyclictest23810-21kworker/u8:111:19:040
60982130,2sleep30-21swapper/310:55:003
1807399132,6cyclictest6024-21apt-get08:00:003
1807399131,10cyclictest1856-21ssh11:56:393
18073991310,2cyclictest6708-21apt-get09:15:103
18073991310,2cyclictest0-21swapper/310:26:003
18073991310,2cyclictest0-21swapper/310:26:003
18073991310,2cyclictest0-21swapper/309:25:123
1807399130,2cyclictest0-21swapper/312:30:313
1807399130,2cyclictest0-21swapper/309:30:173
1807399130,11cyclictest14239-21ssh11:35:593
1807399130,11cyclictest1405-21diskmemload09:45:133
1807399130,11cyclictest0-21swapper/312:35:183
1807399130,11cyclictest0-21swapper/312:04:353
18072991310,2cyclictest7910-21apt-get08:05:102
18072991310,2cyclictest4092-21kworker/u8:008:14:012
18072991310,2cyclictest1405-21diskmemload09:17:152
18072991310,2cyclictest0-21swapper/212:30:102
18072991310,2cyclictest0-21swapper/211:40:542
18072991310,2cyclictest0-21swapper/211:25:462
18072991310,2cyclictest0-21swapper/210:00:522
18072991310,2cyclictest0-21swapper/209:45:032
18072991310,2cyclictest0-21swapper/208:20:132
1807299130,2cyclictest0-21swapper/211:56:142
1807299130,2cyclictest0-21swapper/211:49:162
1807299130,2cyclictest0-21swapper/210:40:082
1807299130,12cyclictest0-21swapper/212:25:452
1807299130,12cyclictest0-21swapper/212:20:292
1807299130,12cyclictest0-21swapper/210:54:312
1807299130,12cyclictest0-21swapper/209:30:332
1807299130,12cyclictest0-21swapper/209:20:142
1807299130,12cyclictest0-21swapper/207:20:112
1807199138,3cyclictest3176-21python07:51:001
1807199132,6cyclictest0-21swapper/109:30:001
1807199131,10cyclictest0-21swapper/107:15:111
18071991310,2cyclictest0-21swapper/112:30:201
18071991310,2cyclictest0-21swapper/112:15:111
18071991310,2cyclictest0-21swapper/111:48:221
18071991310,2cyclictest0-21swapper/111:20:151
18071991310,2cyclictest0-21swapper/111:17:201
18071991310,2cyclictest0-21swapper/110:14:071
18071991310,2cyclictest0-21swapper/109:00:121
18071991310,2cyclictest0-21swapper/108:25:011
1807199130,2cyclictest0-21swapper/111:51:021
1807199130,2cyclictest0-21swapper/111:06:001
1807199130,2cyclictest0-21swapper/107:40:151
1807199130,12cyclictest0-21swapper/112:20:481
1807199130,12cyclictest0-21swapper/111:01:181
1807199130,12cyclictest0-21swapper/109:36:071
1807199130,12cyclictest0-21swapper/108:25:411
1807199130,12cyclictest0-21swapper/107:45:131
1807199130,12cyclictest0-21swapper/107:25:291
1807199130,11cyclictest1405-21diskmemload10:05:361
1807199130,11cyclictest1405-21diskmemload09:20:351
1807199130,11cyclictest0-21swapper/111:27:031
18070991310,2cyclictest28942-21kworker/u8:011:30:010
18070991310,2cyclictest25986-21ssh10:07:570
18070991310,2cyclictest1405-21diskmemload10:36:280
18070991310,2cyclictest0-21swapper/011:37:170
18070991310,2cyclictest0-21swapper/011:04:480
18070991310,2cyclictest0-21swapper/010:45:170
18070991310,2cyclictest0-21swapper/010:00:470
1807099130,2cyclictest0-21swapper/010:20:470
1807099130,2cyclictest0-21swapper/010:20:470
1807099130,12cyclictest0-21swapper/009:45:110
1807099130,12cyclictest0-21swapper/007:30:110
1807099130,11cyclictest10128-21ssh10:25:130
1807099130,11cyclictest10128-21ssh10:25:130
153272130,2sleep313807-21munin-node3
313332120,2sleep30-21swapper/311:54:323
263672120,2sleep126508-21fschecks_time08:50:131
1807399129,2cyclictest0-21swapper/311:31:193
1807399129,2cyclictest0-21swapper/311:11:093
1807399129,2cyclictest0-21swapper/311:07:343
1807399129,2cyclictest0-21swapper/308:48:273
1807399129,2cyclictest0-21swapper/308:25:133
1807399122,7cyclictest0-21swapper/310:33:583
1807399120,2cyclictest19986-21munin-node3
1807399120,2cyclictest0-21swapper/310:35:183
1807399120,2cyclictest0-21swapper/309:41:573
1807399120,2cyclictest0-21swapper/309:20:243
1807399120,11cyclictest0-21swapper/312:26:243
1807399120,11cyclictest0-21swapper/311:26:563
1807399120,11cyclictest0-21swapper/311:15:203
1807399120,10cyclictest7321-21kworker/u8:208:32:013
1807399120,10cyclictest1405-21diskmemload09:57:483
1807299129,2cyclictest14696-21kworker/u8:111:03:042
1807299129,2cyclictest0-21swapper/209:56:062
1807299129,2cyclictest0-21swapper/208:00:162
1807199129,2cyclictest0-21swapper/112:10:081
1807199129,2cyclictest0-21swapper/110:00:211
1807199128,2cyclictest0-21swapper/108:00:381
1807199127,3cyclictest20270-21expr08:35:131
1807199121,9cyclictest1760-21df10:50:121
1807199121,9cyclictest0-21swapper/109:56:021
1807199121,3cyclictest0-21swapper/107:30:171
1807199120,2cyclictest0-21swapper/110:25:061
1807199120,2cyclictest0-21swapper/110:25:061
1807199120,2cyclictest0-21swapper/108:45:161
1807199120,2cyclictest0-21swapper/107:10:181
1807199120,11cyclictest0-21swapper/108:41:001
1807199120,11cyclictest0-21swapper/107:55:131
1807099129,2cyclictest7321-21kworker/u8:208:06:010
1807099129,2cyclictest0-21swapper/009:10:150
1807099129,2cyclictest0-21swapper/008:00:070
1807099129,2cyclictest0-21swapper/007:20:160
1807099120,2cyclictest18197-21sh10:33:340
1807099120,2cyclictest0-21swapper/011:50:480
1807099120,2cyclictest0-21swapper/011:14:370
1807099120,2cyclictest0-21swapper/010:15:120
1807099120,2cyclictest0-21swapper/010:15:120
1807099120,2cyclictest0-21swapper/010:13:570
1807099120,2cyclictest0-21swapper/007:15:180
1807099120,2cyclictest0-21swapper/007:10:590
1807099120,11cyclictest1405-21diskmemload09:53:580
1807099120,11cyclictest0-21swapper/012:32:170
1807099120,11cyclictest0-21swapper/011:25:080
1807099120,11cyclictest0-21swapper/010:55:270
257232110,1sleep00-21swapper/011:48:160
1807399110,10cyclictest0-21swapper/312:17:063
1807299118,2cyclictest32042-21kworker/u8:207:55:042
1807299118,2cyclictest18382-21kworker/u8:107:47:042
1807299118,2cyclictest0-21swapper/211:14:562
1807299118,2cyclictest0-21swapper/207:10:162
1807299110,1cyclictest0-21swapper/208:30:132
1807199112,6cyclictest0-21swapper/107:25:001
1807199112,5cyclictest0-21swapper/108:10:001
1807199111,8cyclictest7907-21munin-node1
1807199110,9cyclictest0-21swapper/109:05:121
1807199110,9cyclictest0-21swapper/108:30:181
1807099118,2cyclictest32172-21kworker/u8:009:36:040
1807099110,2cyclictest0-21swapper/012:35:590
1807099110,2cyclictest0-21swapper/012:05:290
1807099110,2cyclictest0-21swapper/010:51:160
1807099110,10cyclictest0-21swapper/012:13:260
1807099110,10cyclictest0-21swapper/012:04:290
1807099110,10cyclictest0-21swapper/011:43:480
1807099110,10cyclictest0-21swapper/009:56:580
1807099110,10cyclictest0-21swapper/009:20:090
1807099110,10cyclictest0-21swapper/007:57:270
314152100,7sleep20-21swapper/207:40:512
1807399107,2cyclictest0-21swapper/308:50:143
1807399107,2cyclictest0-21swapper/308:00:003
1807399107,2cyclictest0-21swapper/307:37:383
1807399105,3cyclictest22078-21cron07:20:013
1807399102,7cyclictest0-21swapper/308:24:013
1807399100,9cyclictest0-21swapper/307:40:413
1807299107,2cyclictest7321-21kworker/u8:209:04:042
1807299107,2cyclictest20118-21kworker/u8:008:36:042
1807299107,2cyclictest0-21swapper/208:25:162
1807299107,2cyclictest0-21swapper/207:51:032
1807199104,4cyclictest28677-21grep07:35:121
1807199100,3cyclictest0-21swapper/108:15:151
1807099107,2cyclictest1405-21diskmemload11:55:100
1807099107,2cyclictest0-21swapper/011:20:330
1807099107,2cyclictest0-21swapper/011:06:200
1807099107,2cyclictest0-21swapper/009:31:530
1807099107,2cyclictest0-21swapper/008:46:030
1807099107,2cyclictest0-21swapper/007:40:140
1807099103,2cyclictest22150irq/25-ahci[00008:17:320
165322100,1sleep00-21swapper/008:25:160
180739996,2cyclictest0-21swapper/307:20:143
180739994,3cyclictest27261-21open_files07:30:173
180739992,5cyclictest0-21swapper/309:05:003
180739990,5cyclictest0-21swapper/307:50:013
180729996,2cyclictest4092-21kworker/u8:008:15:042
180729996,2cyclictest26190-21kworker/u8:108:58:052
180729996,2cyclictest14346-21kworker/u8:207:15:042
180729994,3cyclictest32236-21cpu09:05:122
180729994,3cyclictest28471-21tr07:35:112
180729994,3cyclictest26772-21cut07:30:132
180709996,2cyclictest0-21swapper/008:30:280
180709995,3cyclictest0-21swapper/012:20:150
180709994,3cyclictest30023-21cron07:40:000
180709990,8cyclictest31861-21munin-run09:05:000
180709990,8cyclictest0-21swapper/008:55:000
180739983,3cyclictest220042sleep308:40:043
180739982,4cyclictest19126-21cut07:10:163
180709985,2cyclictest0-21swapper/008:57:580
180709984,2cyclictest3728-21runrttasks07:28:130
180709983,3cyclictest32328-21cut09:05:120
180709983,3cyclictest21364-21unixbench_multi08:36:030
180709983,3cyclictest139462sleep008:20:060
180709980,2cyclictest2105-21aten2.4-expect07:50:110
180709974,2cyclictest0-21swapper/008:10:110
180709973,3cyclictest3187-21ntpd08:40:170
180709972,3cyclictest919-21processes07:45:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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