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2026-03-23 - 23:49

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 Mar 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8614211895,18sleep10-21swapper/107:08:541
8499211895,18sleep00-21swapper/007:07:250
8508211492,16sleep20-21swapper/207:07:312
7994211289,17sleep30-21swapper/307:06:003
59942750,1sleep30-21swapper/310:30:153
285852680,0sleep00-21swapper/010:54:480
197572670,0sleep10-21swapper/112:25:361
87212250,1sleep00-21swapper/011:40:210
75472230,0sleep20-21swapper/208:25:132
873099200,15cyclictest0-21swapper/010:02:050
8732991916,2cyclictest14070-21kworker/u8:110:42:052
8732991915,3cyclictest5001-21kworker/u8:009:44:012
8732991815,2cyclictest6384-21kworker/u8:111:39:052
8732991815,2cyclictest5001-21kworker/u8:009:54:042
8732991815,2cyclictest32748-21kworker/u8:211:33:042
8732991815,2cyclictest19656-21kworker/u8:012:02:062
873299180,2cyclictest0-21swapper/212:34:052
873499171,3cyclictest0-21swapper/308:46:013
873499170,15cyclictest0-21swapper/310:55:003
8732991714,2cyclictest979-21kworker/u8:211:25:042
8732991714,2cyclictest902-21kworker/u8:208:14:042
8732991714,2cyclictest23334-21kworker/u8:010:38:042
8732991714,2cyclictest23334-21kworker/u8:010:33:052
8732991714,2cyclictest19656-21kworker/u8:011:59:042
8732991714,2cyclictest16817-21kworker/u8:209:15:042
8732991714,2cyclictest16817-21kworker/u8:208:56:052
873299170,2cyclictest0-21swapper/212:27:052
47492170,1sleep30-21swapper/309:55:143
873299162,2cyclictest26636-21packagekitd09:45:052
8732991613,2cyclictest30056-21kworker/u8:110:28:052
8732991613,2cyclictest27539-21kworker/u8:110:55:052
8732991613,2cyclictest21389-21kworker/u8:109:35:052
8732991613,2cyclictest19656-21kworker/u8:012:12:022
8732991613,2cyclictest19656-21kworker/u8:012:08:042
8732991613,2cyclictest18412-21kworker/u8:207:24:042
8732991613,2cyclictest17720-21kworker/u8:210:12:052
8732991613,2cyclictest13594-21kworker/u8:112:24:042
873299160,3cyclictest0-21swapper/210:15:122
873299160,3cyclictest0-21swapper/210:15:122
317232160,0sleep20-21swapper/212:38:442
8734991512,2cyclictest26423-21copy09:45:013
8732991512,2cyclictest5187-21kworker/u8:008:33:052
8732991512,2cyclictest5001-21kworker/u8:009:31:042
8732991512,2cyclictest21389-21kworker/u8:109:23:052
8732991512,2cyclictest17496-21kworker/u8:011:18:052
8732991512,2cyclictest14184-21kworker/u8:210:52:012
8732991511,2cyclictest12443-21ssh11:45:132
873299150,14cyclictest0-21swapper/210:48:052
8731991512,2cyclictest25026-21diskmemload09:45:021
8731991512,2cyclictest0-21swapper/112:20:531
873199150,13cyclictest0-21swapper/112:10:101
873199150,13cyclictest0-21swapper/109:50:171
873199150,13cyclictest0-21swapper/107:49:371
8730991512,2cyclictest0-21swapper/012:21:080
873099150,9cyclictest0-21swapper/010:14:040
873099150,13cyclictest0-21swapper/011:29:290
873099150,13cyclictest0-21swapper/008:45:190
8734991411,2cyclictest2842-21ssh12:08:503
8734991411,2cyclictest0-21swapper/311:58:503
8734991411,2cyclictest0-21swapper/311:30:103
8734991411,2cyclictest0-21swapper/310:02:513
8734991411,2cyclictest0-21swapper/309:40:103
8734991411,2cyclictest0-21swapper/309:23:213
8734991411,2cyclictest0-21swapper/309:19:003
8734991411,2cyclictest0-21swapper/307:20:103
873499140,2cyclictest0-21swapper/312:14:413
873499140,2cyclictest0-21swapper/311:25:403
873499140,2cyclictest0-21swapper/310:25:303
873499140,2cyclictest0-21swapper/309:31:303
873499140,12cyclictest0-21swapper/311:16:403
873299149,3cyclictest21533-21df09:00:132
873299149,3cyclictest0-21swapper/209:55:102
8732991411,2cyclictest979-21kworker/u8:211:10:062
8732991411,2cyclictest22910-21kworker/u8:007:56:052
8732991411,2cyclictest22910-21kworker/u8:007:50:042
8732991411,2cyclictest12233-21kworker/u8:010:08:012
8732991411,2cyclictest0-21swapper/211:00:102
873299140,2cyclictest0-21swapper/212:18:042
873299140,13cyclictest0-21swapper/207:25:122
873299140,12cyclictest0-21swapper/209:12:082
873299140,12cyclictest0-21swapper/207:49:362
8731991411,2cyclictest0-21swapper/112:35:041
8731991411,2cyclictest0-21swapper/111:14:541
8731991411,2cyclictest0-21swapper/110:48:441
8731991411,2cyclictest0-21swapper/110:08:131
8731991411,2cyclictest0-21swapper/110:01:041
8731991410,3cyclictest0-21swapper/110:52:531
8731991410,2cyclictest0-21swapper/111:55:141
873199140,2cyclictest0-21swapper/111:37:541
873199140,2cyclictest0-21swapper/111:27:141
873199140,2cyclictest0-21swapper/111:18:231
873199140,2cyclictest0-21swapper/109:10:131
873199140,2cyclictest0-21swapper/107:20:161
873199140,13cyclictest0-21swapper/111:50:131
873199140,13cyclictest0-21swapper/111:21:531
873199140,13cyclictest0-21swapper/110:40:131
873199140,12cyclictest514-21pzem_voltage12:05:481
873199140,12cyclictest0-21swapper/112:03:181
8730991411,2cyclictest0-21swapper/011:38:290
8730991411,2cyclictest0-21swapper/010:56:380
873099140,2cyclictest32386-21ssh10:24:490
873099140,2cyclictest0-21swapper/012:18:590
873099140,2cyclictest0-21swapper/011:47:280
873099140,13cyclictest0-21swapper/011:07:380
873099140,13cyclictest0-21swapper/011:00:060
873099140,13cyclictest0-21swapper/010:41:480
873099140,13cyclictest0-21swapper/010:15:490
873099140,13cyclictest0-21swapper/010:15:480
873099140,13cyclictest0-21swapper/009:48:380
873099140,13cyclictest0-21swapper/009:21:040
873099140,12cyclictest20294-21ssh11:52:490
873099140,12cyclictest10346-21grep07:11:020
873099140,12cyclictest0-21swapper/012:03:400
214892140,2sleep10-21swapper/110:12:451
873499138,3cyclictest24783-21sendmail_mailqu10:16:003
873499138,3cyclictest24783-21sendmail_mailqu10:16:003
873499131,10cyclictest31012-21ssh12:37:373
8734991310,2cyclictest25026-21diskmemload10:38:103
8734991310,2cyclictest0-21swapper/312:25:103
8734991310,2cyclictest0-21swapper/310:11:513
873499130,2cyclictest0-21swapper/310:59:213
873499130,2cyclictest0-21swapper/310:07:203
873499130,2cyclictest0-21swapper/309:51:513
873499130,2cyclictest0-21swapper/308:16:023
873499130,12cyclictest0-21swapper/311:40:183
873499130,12cyclictest0-21swapper/308:21:033
873499130,11cyclictest0-21swapper/310:45:163
873499130,11cyclictest0-21swapper/309:12:123
873299131,10cyclictest0-21swapper/209:26:092
8732991310,2cyclictest902-21kworker/u8:208:15:042
8732991310,2cyclictest18412-21kworker/u8:207:36:012
8732991310,2cyclictest0-21swapper/210:21:032
873299130,2cyclictest0-21swapper/211:40:122
873299130,2cyclictest0-21swapper/207:40:122
873299130,12cyclictest0-21swapper/208:21:032
8731991310,2cyclictest8521-21apt-get12:15:061
8731991310,2cyclictest25026-21diskmemload09:57:071
8731991310,2cyclictest21134-21apt-get07:40:101
8731991310,2cyclictest0-21swapper/111:41:131
8731991310,2cyclictest0-21swapper/111:06:281
8731991310,2cyclictest0-21swapper/110:37:261
8731991310,2cyclictest0-21swapper/110:26:041
8731991310,2cyclictest0-21swapper/110:18:581
8731991310,2cyclictest0-21swapper/110:18:571
8731991310,2cyclictest0-21swapper/109:40:571
8731991310,2cyclictest0-21swapper/109:30:241
8731991310,2cyclictest0-21swapper/109:26:531
8731991310,2cyclictest0-21swapper/109:20:061
873199130,2cyclictest0-21swapper/109:15:271
873199130,2cyclictest0-21swapper/108:35:171
873199130,2cyclictest0-21swapper/108:00:521
873199130,12cyclictest0-21swapper/111:45:181
873199130,12cyclictest0-21swapper/111:30:341
873199130,12cyclictest0-21swapper/110:24:341
873199130,11cyclictest24590-21cut12:30:391
873199130,11cyclictest0-21swapper/108:10:181
873199130,11cyclictest0-21swapper/107:50:291
873099135,6cyclictest274-21jbd2/sda1-807:44:590
8730991310,2cyclictest25026-21diskmemload09:11:410
8730991310,2cyclictest0-21swapper/012:30:000
8730991310,2cyclictest0-21swapper/012:11:580
8730991310,2cyclictest0-21swapper/011:20:480
8730991310,2cyclictest0-21swapper/010:32:000
8730991310,2cyclictest0-21swapper/009:39:090
8730991310,2cyclictest0-21swapper/009:32:100
873099130,2cyclictest0-21swapper/009:55:280
873099130,12cyclictest0-21swapper/012:36:480
873099130,12cyclictest0-21swapper/012:28:080
873099130,12cyclictest0-21swapper/011:58:080
873099130,12cyclictest0-21swapper/011:31:480
873099130,12cyclictest0-21swapper/010:26:480
222092130,2sleep30-21swapper/307:41:013
179012131,3sleep20-21swapper/211:50:182
95112120,2sleep30-21swapper/312:15:163
873499129,2cyclictest0-21swapper/312:30:403
873499129,2cyclictest0-21swapper/311:46:023
873499129,2cyclictest0-21swapper/309:35:513
873499129,2cyclictest0-21swapper/309:28:163
873499120,2cyclictest0-21swapper/310:20:433
873499120,11cyclictest0-21swapper/312:01:013
873499120,11cyclictest0-21swapper/311:10:023
873499120,11cyclictest0-21swapper/307:49:273
873499120,11cyclictest0-21swapper/307:35:193
873299129,2cyclictest0-21swapper/210:00:072
873299129,2cyclictest0-21swapper/209:05:172
873299129,2cyclictest0-21swapper/208:05:162
873299129,2cyclictest0-21swapper/208:00:112
873299121,9cyclictest3649-21snmpd07:12:412
873299120,2cyclictest0-21swapper/211:05:362
873199129,2cyclictest0-21swapper/109:37:101
873199121,9cyclictest15024-21apt-get07:25:111
873199120,2cyclictest0-21swapper/110:30:331
873199120,11cyclictest0-21swapper/111:00:121
873199120,11cyclictest0-21swapper/110:56:571
873199120,11cyclictest0-21swapper/108:46:011
873199120,11cyclictest0-21swapper/108:41:031
873199120,11cyclictest0-21swapper/108:30:141
873199120,11cyclictest0-21swapper/108:05:051
873199120,11cyclictest0-21swapper/107:30:151
873199120,10cyclictest0-21swapper/109:05:401
873099129,2cyclictest0-21swapper/010:36:390
873099129,2cyclictest0-21swapper/009:25:480
873099129,2cyclictest0-21swapper/009:17:200
873099129,2cyclictest0-21swapper/007:30:140
873099121,2cyclictest0-21swapper/008:05:080
873099120,2cyclictest0-21swapper/010:48:550
873099120,2cyclictest0-21swapper/008:55:350
873099120,11cyclictest15238-21ssh10:06:030
873099120,11cyclictest0-21swapper/012:05:410
873099120,11cyclictest0-21swapper/011:17:190
873099120,11cyclictest0-21swapper/011:10:150
873099120,11cyclictest0-21swapper/009:52:000
873099120,11cyclictest0-21swapper/009:40:180
873099120,11cyclictest0-21swapper/008:10:140
873099120,11cyclictest0-21swapper/008:01:040
873099120,11cyclictest0-21swapper/007:21:010
202862120,2sleep10-21swapper/108:56:021
158542120,2sleep30-21swapper/310:40:333
105062120,2sleep30-21swapper/311:09:273
873499118,2cyclictest15024-21apt-get07:25:123
873499118,2cyclictest0-21swapper/312:24:433
873499118,2cyclictest0-21swapper/311:35:473
873499118,2cyclictest0-21swapper/311:00:063
873499118,2cyclictest0-21swapper/308:40:143
873499110,2cyclictest0-21swapper/309:00:123
873499110,10cyclictest0-21swapper/311:20:533
873299118,2cyclictest0-21swapper/208:35:172
873299110,2cyclictest0-21swapper/211:22:492
873299110,2cyclictest0-21swapper/208:48:052
873299110,10cyclictest0-21swapper/208:40:042
873199118,2cyclictest0-21swapper/109:00:401
873099118,2cyclictest0-21swapper/008:40:180
873099118,2cyclictest0-21swapper/007:36:040
873099118,2cyclictest0-21swapper/007:15:290
873099110,10cyclictest5187-21kworker/u8:008:52:010
873099110,10cyclictest0-21swapper/008:35:140
873099110,10cyclictest0-21swapper/007:45:110
873499107,2cyclictest0-21swapper/308:55:153
873499105,3cyclictest9131-21head07:10:123
873499104,4cyclictest1423-21grep08:10:123
873499101,7cyclictest31211-21sort08:04:593
873499100,9cyclictest0-21swapper/311:50:533
873499100,1cyclictest0-21swapper/307:31:063
873299100,2cyclictest0-21swapper/208:51:042
873199107,2cyclictest27351-21apt-get07:55:121
873199107,2cyclictest0-21swapper/108:20:151
873199100,8cyclictest19107-21munin-node1
873199100,2cyclictest2937-21munin-node1
873199100,2cyclictest0-21swapper/107:10:071
873099107,2cyclictest0-21swapper/008:26:250
263572100,2sleep30-21swapper/307:50:303
87349994,3cyclictest7444-21df_abs08:25:123
87349994,3cyclictest3728-21runrttasks08:35:163
87349994,3cyclictest31728-21df_abs08:05:153
87349994,3cyclictest27687-21df_abs07:55:143
87349994,3cyclictest11303-21df_abs07:15:143
87349994,3cyclictest0-21swapper/309:05:143
87349993,4cyclictest18656-21uptime08:51:043
87349991,3cyclictest0-21swapper/308:30:143
87329994,3cyclictest17601-21cut07:30:152
87329994,3cyclictest12020-21pzem_power07:15:402
87319996,2cyclictest0-21swapper/108:50:161
87319990,8cyclictest0-21swapper/108:30:001
87319990,2cyclictest0-21swapper/107:15:111
87309994,3cyclictest15305-21grep07:25:130
87309993,2cyclictest0-21swapper/008:30:050
87309990,8cyclictest16817-21kworker/u8:209:06:040
87309983,3cyclictest6033-21open_inodes08:20:180
87309983,3cyclictest4407-21wc08:16:020
87309983,3cyclictest21292-21telnet09:00:130
87309980,7cyclictest0-21swapper/007:52:080
87309973,3cyclictest27619-21expr07:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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