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2026-07-10 - 13:38

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 all highest latencies:
System rack3slot6s.osadl.org (updated Fri Jul 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31964211994,19sleep00-21swapper/019:05:590
31933211694,17sleep20-21swapper/219:05:422
32566211593,16sleep30-21swapper/319:08:393
32517210987,16sleep10-21swapper/119:08:011
280502780,1sleep2301ktimersoftd/222:31:052
156742760,1sleep3381ktimersoftd/321:44:163
189652750,1sleep00-21swapper/022:55:480
303092740,1sleep0101ktimersoftd/020:21:030
55542720,0sleep10-21swapper/122:07:271
189132680,0sleep10-21swapper/100:36:591
152542260,0sleep20-21swapper/222:18:142
3269999221,19cyclictest0-21swapper/122:45:131
119262220,0sleep00-21swapper/022:48:470
3270199210,19cyclictest0-21swapper/321:45:123
32699992117,2cyclictest0-21swapper/120:00:111
3269899211,2cyclictest0-21swapper/020:30:110
3270099201,2cyclictest7322-21ssh21:35:122
3270099201,2cyclictest0-21swapper/220:10:112
32699992017,2cyclictest10425-21kworker/u8:019:47:051
32699991916,2cyclictest4762-21kworker/u8:119:23:051
32699991916,2cyclictest30410-21kworker/u8:120:34:041
32699991916,2cyclictest27981-21kworker/u8:020:19:041
32699991916,2cyclictest18833-21kworker/u8:023:12:051
32699991916,2cyclictest17503-21kworker/u8:219:19:041
32699991916,2cyclictest12743-21kworker/u8:119:43:041
32699991916,2cyclictest11831-21kworker/u8:023:22:051
3269999182,2cyclictest23-21ksoftirqd/100:14:051
3269999182,2cyclictest0-21swapper/121:42:041
3269999182,2cyclictest0-21swapper/100:23:041
32699991815,2cyclictest6709-21kworker/u8:120:58:041
32699991815,2cyclictest4529-21kworker/u8:123:29:051
32699991815,2cyclictest398-21kworker/u8:222:20:051
32699991815,2cyclictest2506-21kworker/u8:220:37:051
32699991815,2cyclictest20253-21kworker/u8:019:58:051
32699991815,2cyclictest17503-21kworker/u8:219:34:021
32699991815,2cyclictest17351-21kworker/u8:100:08:041
32699991815,2cyclictest15785-21kworker/u8:121:10:021
32699991815,2cyclictest12743-21kworker/u8:120:08:041
32699991815,2cyclictest12276-21kworker/u8:022:32:051
32699991815,2cyclictest11831-21kworker/u8:023:38:051
3269999181,16cyclictest0-21swapper/119:38:021
3269999180,16cyclictest0-21swapper/122:00:121
3269999180,13cyclictest0-21swapper/123:30:011
3269899180,2cyclictest0-21swapper/019:40:110
32699991714,2cyclictest5477-21kworker/u8:022:44:041
32699991714,2cyclictest31576-21kworker/u8:223:18:011
32699991714,2cyclictest28563-21kworker/u8:119:10:051
32699991714,2cyclictest28261-21kworker/u8:121:48:011
32699991714,2cyclictest27981-21kworker/u8:020:24:051
32699991714,2cyclictest24157-21kworker/u8:021:56:051
32699991714,2cyclictest13701-21kworker/u8:221:19:041
32699991714,2cyclictest12743-21kworker/u8:120:13:051
32699991714,2cyclictest10618-21kworker/u8:000:02:051
3269999171,14cyclictest0-21swapper/100:27:051
3270099160,14cyclictest32657-21grep23:10:152
32699991613,2cyclictest28261-21kworker/u8:121:32:051
32699991613,2cyclictest13701-21kworker/u8:221:20:041
32699991613,2cyclictest10335-21kworker/u8:021:09:041
3269999161,2cyclictest0-21swapper/122:37:051
3269999161,13cyclictest0-21swapper/122:56:071
3269999160,2cyclictest0-21swapper/123:57:041
32701991512,2cyclictest0-21swapper/322:43:523
3270199151,12cyclictest26600-21df22:30:153
32701991510,3cyclictest20234-21ssh00:05:133
3270199150,13cyclictest0-21swapper/321:20:123
3270099151,3cyclictest0-21swapper/222:44:472
32700991510,3cyclictest6658-21chrt20:45:012
3270099150,3cyclictest0-21swapper/221:15:192
3270099150,13cyclictest0-21swapper/221:26:452
3270099150,13cyclictest0-21swapper/219:36:052
3270099150,11cyclictest0-21swapper/221:31:042
32699991512,2cyclictest7026-21kworker/u8:122:13:051
32699991512,2cyclictest7026-21kworker/u8:122:13:041
32699991512,2cyclictest2506-21kworker/u8:220:47:051
32699991512,2cyclictest15822-21diskmemload00:16:281
32699991512,2cyclictest12743-21kworker/u8:119:52:051
3269899152,7cyclictest0-21swapper/020:30:000
3269899150,3cyclictest0-21swapper/020:40:000
3270199141,2cyclictest19444-21iostat19:55:143
32701991410,2cyclictest15822-21diskmemload23:36:433
32701991410,2cyclictest0-21swapper/321:35:183
3270199140,12cyclictest3078-21ssh22:39:533
3270199140,12cyclictest0-21swapper/321:34:403
3270199140,12cyclictest0-21swapper/319:20:113
3270199140,12cyclictest0-21swapper/300:36:123
3270199140,12cyclictest0-21swapper/300:22:043
32700991411,2cyclictest17503-21kworker/u8:219:20:062
32700991411,2cyclictest17351-21kworker/u8:100:17:042
32700991410,2cyclictest577-21kworker/u8:019:11:042
32700991410,2cyclictest27597-21ssh21:21:232
3270099140,3cyclictest6937-21proc_pri23:50:202
3270099140,13cyclictest0-21swapper/220:20:502
3270099140,12cyclictest23430-21ssh21:51:552
3270099140,12cyclictest22125-21ssh00:06:222
3270099140,12cyclictest0-21swapper/222:08:112
3270099140,12cyclictest0-21swapper/221:45:062
3269999142,6cyclictest0-21swapper/123:50:001
32699991411,2cyclictest27981-21kworker/u8:020:44:041
32699991411,2cyclictest18958-21kworker/u8:223:41:041
3269999140,2cyclictest0-21swapper/123:04:061
3269999140,2cyclictest0-21swapper/122:53:041
3269999140,2cyclictest0-21swapper/121:53:051
3269899149,3cyclictest31898-21ssh00:16:340
3269899142,6cyclictest0-21swapper/019:30:000
3269899140,12cyclictest7025-21apt-get00:25:140
3269899140,12cyclictest15822-21diskmemload23:50:210
3269899140,12cyclictest0-21swapper/023:30:550
3269899140,12cyclictest0-21swapper/022:52:090
35112130,2sleep00-21swapper/000:20:540
3270199133,6cyclictest0-21swapper/320:21:013
32701991310,2cyclictest0-21swapper/323:44:043
32701991310,2cyclictest0-21swapper/323:33:413
32701991310,2cyclictest0-21swapper/323:29:403
32701991310,2cyclictest0-21swapper/323:15:003
32701991310,2cyclictest0-21swapper/322:56:023
32701991310,2cyclictest0-21swapper/322:27:123
32701991310,2cyclictest0-21swapper/321:28:333
32701991310,2cyclictest0-21swapper/321:10:503
32701991310,2cyclictest0-21swapper/300:31:543
3270199130,2cyclictest0-21swapper/323:56:513
3270199130,2cyclictest0-21swapper/322:15:193
3270199130,2cyclictest0-21swapper/322:10:513
3270199130,2cyclictest0-21swapper/322:10:503
3270199130,2cyclictest0-21swapper/319:40:143
3270199130,2cyclictest0-21swapper/300:02:133
3270199130,12cyclictest0-21swapper/323:07:513
3270199130,12cyclictest0-21swapper/322:48:323
3270199130,12cyclictest0-21swapper/322:23:223
3270199130,12cyclictest0-21swapper/322:05:133
3270199130,12cyclictest0-21swapper/321:55:533
3270199130,12cyclictest0-21swapper/320:40:133
3270199130,12cyclictest0-21swapper/300:29:413
3270199130,12cyclictest0-21swapper/300:16:013
3270199130,11cyclictest0-21swapper/323:21:333
3270199130,11cyclictest0-21swapper/322:51:043
3270199130,11cyclictest0-21swapper/300:11:553
32700991310,2cyclictest19134-21kworker/u8:122:35:042
32700991310,2cyclictest0-21swapper/223:45:042
32700991310,2cyclictest0-21swapper/223:30:062
32700991310,2cyclictest0-21swapper/223:18:182
32700991310,2cyclictest0-21swapper/222:50:582
32700991310,2cyclictest0-21swapper/222:45:402
32700991310,2cyclictest0-21swapper/222:26:552
32700991310,2cyclictest0-21swapper/222:22:052
32700991310,2cyclictest0-21swapper/221:40:392
32700991310,2cyclictest0-21swapper/219:15:142
32700991310,2cyclictest0-21swapper/200:35:472
32700991310,2cyclictest0-21swapper/200:25:372
32700991310,2cyclictest0-21swapper/200:23:072
3270099130,2cyclictest0-21swapper/223:44:282
3270099130,2cyclictest0-21swapper/223:21:402
3270099130,2cyclictest0-21swapper/219:25:172
3270099130,2cyclictest0-21swapper/200:30:492
3270099130,2cyclictest0-21swapper/200:14:502
3270099130,2cyclictest0-21swapper/200:03:192
3270099130,12cyclictest0-21swapper/223:56:362
3270099130,12cyclictest0-21swapper/223:26:272
3270099130,12cyclictest0-21swapper/222:56:172
3270099130,12cyclictest0-21swapper/221:58:172
3270099130,12cyclictest0-21swapper/220:06:042
3270099130,11cyclictest28624-21rm23:05:492
3270099130,11cyclictest0-21swapper/222:10:342
3270099130,11cyclictest0-21swapper/222:10:332
3269999130,2cyclictest0-21swapper/123:48:051
3269999130,2cyclictest0-21swapper/123:08:041
3269999130,2cyclictest0-21swapper/122:26:041
3269999130,2cyclictest0-21swapper/121:36:051
3269999130,2cyclictest0-21swapper/121:27:051
3269999130,2cyclictest0-21swapper/100:30:041
3269899138,3cyclictest15822-21diskmemload21:40:150
3269899138,3cyclictest0-21swapper/000:32:110
3269899132,6cyclictest18814-21ssh23:30:000
3269899132,6cyclictest0-21swapper/022:20:000
3269899132,6cyclictest0-21swapper/022:00:000
3269899132,10cyclictest0-21swapper/020:17:580
32698991310,2cyclictest0-21swapper/022:23:130
32698991310,2cyclictest0-21swapper/021:11:000
3269899130,12cyclictest0-21swapper/022:44:020
3269899130,12cyclictest0-21swapper/019:35:130
3269899130,11cyclictest3871-21ssh23:47:300
3269899130,11cyclictest15822-21diskmemload22:04:330
3270199129,2cyclictest0-21swapper/323:50:003
3270199129,2cyclictest0-21swapper/321:50:433
3270199129,2cyclictest0-21swapper/321:00:163
3270199127,3cyclictest25593-21memory20:10:153
3270199122,7cyclictest4556-21metacity20:36:583
3270199122,7cyclictest0-21swapper/320:15:013
3270199122,7cyclictest0-21swapper/320:06:593
3270199121,6cyclictest2375-21taskset19:15:003
3270199120,2cyclictest0-21swapper/323:10:243
3270199120,2cyclictest0-21swapper/323:00:203
3270199120,2cyclictest0-21swapper/322:00:233
3270199120,11cyclictest0-21swapper/323:45:213
3270199120,11cyclictest0-21swapper/321:19:133
3270199120,11cyclictest0-21swapper/320:56:013
3270199120,11cyclictest0-21swapper/319:46:043
3270199120,11cyclictest0-21swapper/319:31:033
3270099129,2cyclictest0-21swapper/221:01:072
3270099129,2cyclictest0-21swapper/220:55:402
3270099129,2cyclictest0-21swapper/220:50:152
3270099129,2cyclictest0-21swapper/219:46:062
3270099120,2cyclictest0-21swapper/223:00:322
3270099120,11cyclictest0-21swapper/223:35:072
3270099120,11cyclictest0-21swapper/222:00:402
3270099120,11cyclictest0-21swapper/221:10:262
3270099120,11cyclictest0-21swapper/219:41:042
3270099120,11cyclictest0-21swapper/219:30:172
3269999122,7cyclictest0-21swapper/120:50:011
3269999121,9cyclictest30898-21munin-node1
3269999121,3cyclictest0-21swapper/122:15:201
3269899122,7cyclictest0-21swapper/019:13:590
3269899122,6cyclictest0-21swapper/021:30:010
3269899121,9cyclictest6428-21ssh21:34:110
3269899121,8cyclictest4562-21gdm-simple-gree22:28:580
3269899121,6cyclictest0-21swapper/021:40:010
3269899120,2cyclictest0-21swapper/022:05:120
3269899120,2cyclictest0-21swapper/020:00:300
3269899120,2cyclictest0-21swapper/000:10:170
3269899120,2cyclictest0-21swapper/000:00:010
3269899120,11cyclictest0-21swapper/022:32:320
3269899120,11cyclictest0-21swapper/000:36:020
3269899120,11cyclictest0-21swapper/000:07:470
3269899120,10cyclictest0-21swapper/023:38:090
68432110,1sleep00-21swapper/023:16:370
3270199112,7cyclictest0-21swapper/319:25:013
3270199110,10cyclictest0-21swapper/320:26:003
3270099118,2cyclictest0-21swapper/220:16:282
3270099118,2cyclictest0-21swapper/219:55:132
3270099110,2cyclictest0-21swapper/220:00:282
3269999110,7cyclictest0-21swapper/119:25:041
3269899118,2cyclictest17470-21open_inodes21:45:190
3269899118,2cyclictest0-21swapper/023:55:180
3269899118,2cyclictest0-21swapper/023:08:230
3269899118,2cyclictest0-21swapper/021:52:090
3269899118,2cyclictest0-21swapper/021:15:330
3269899118,2cyclictest0-21swapper/020:41:560
3269899118,2cyclictest0-21swapper/019:50:140
3269899118,2cyclictest0-21swapper/019:30:120
3269899112,7cyclictest0-21swapper/022:13:590
3269899112,7cyclictest0-21swapper/022:13:580
3269899112,6cyclictest0-21swapper/020:58:580
3269899112,6cyclictest0-21swapper/020:51:180
3269899112,6cyclictest0-21swapper/020:11:020
3269899111,7cyclictest0-21swapper/020:06:090
3269899110,2cyclictest0-21swapper/023:10:140
3269899110,2cyclictest0-21swapper/022:36:260
3269899110,10cyclictest25311-21ssh21:20:000
3269899110,10cyclictest0-21swapper/023:44:200
268192110,1sleep00-21swapper/023:04:550
3270199107,2cyclictest14031-21apt-get21:05:123
3270199102,6cyclictest0-21swapper/319:36:013
3270199101,8cyclictest0-21swapper/319:19:053
3270199101,6cyclictest0-21swapper/320:52:013
3270099100,9cyclictest0-21swapper/220:26:542
3269999100,3cyclictest0-21swapper/121:00:061
3269899107,2cyclictest0-21swapper/023:20:220
3269899105,3cyclictest274-21jbd2/sda1-819:15:060
3269899104,4cyclictest3728-21runrttasks21:00:170
3269899102,7cyclictest0-21swapper/019:46:020
3269899101,6cyclictest0-21swapper/019:21:010
3269899101,5cyclictest0-21swapper/021:06:010
327019994,3cyclictest21695-21ntpq20:00:173
327009996,2cyclictest0-21swapper/220:30:112
327009994,3cyclictest3728-21runrttasks20:41:152
327009994,3cyclictest2741-21cpuspeed_turbos20:35:132
327009994,3cyclictest14204-21cpu21:05:132
327009990,5cyclictest0-21swapper/219:52:012
326989994,3cyclictest7632-21processes20:45:180
326989994,3cyclictest18802-21aten2.4_r3power19:55:090
327019983,3cyclictest7020-21df_abs20:45:133
327019983,3cyclictest16862-21tail19:50:113
327019981,3cyclictest0-21swapper/320:30:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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