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2026-08-21 - 21:46

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #5

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot5s.osadl.org (updated Fri Aug 21, 2026 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1311499280,27cyclictest0-21swapper/310:31:183
1311499270,23cyclictest0-21swapper/312:31:333
13114992622,3cyclictest6502-21diskmemload11:30:193
13114992620,5cyclictest6502-21diskmemload11:17:423
1311499260,26cyclictest0-21swapper/309:40:333
1311499260,25cyclictest13952-21sh12:36:253
1311499260,25cyclictest0-21swapper/309:54:593
1311499260,21cyclictest9049-21ssh12:04:013
1311499260,21cyclictest28363-21ssh10:55:073
1311499260,21cyclictest10272-21ssh11:07:033
1311499260,21cyclictest0-21swapper/309:48:153
1311499260,1cyclictest0-21swapper/311:14:493
1311499260,1cyclictest0-21swapper/310:40:483
1309899260,25cyclictest15528-21sh11:11:370
13114992522,3cyclictest0-21swapper/310:03:343
13114992521,4cyclictest0-21swapper/307:15:153
13114992521,3cyclictest0-21swapper/309:26:583
13114992520,4cyclictest6502-21diskmemload11:39:073
13114992519,5cyclictest6502-21diskmemload11:02:203
13114992519,5cyclictest0-21swapper/309:30:023
13114992518,6cyclictest2155-21ssh12:25:273
1311499250,25cyclictest0-21swapper/310:47:063
1311499250,24cyclictest0-21swapper/311:43:253
1311499250,24cyclictest0-21swapper/310:20:453
1311499250,21cyclictest0-21swapper/311:22:373
1311499250,0cyclictest6502-21diskmemload10:12:483
1311499250,0cyclictest0-21swapper/312:10:153
1311499250,0cyclictest0-21swapper/311:49:553
1311499250,0cyclictest0-21swapper/310:50:273
1311499250,0cyclictest0-21swapper/309:24:193
13109992521,3cyclictest14072-21ssh09:44:362
1310999250,24cyclictest6502-21diskmemload12:06:222
1310999250,24cyclictest29985-21ssh12:21:522
13105992523,1cyclictest0-21swapper/111:00:421
13105992522,2cyclictest23499-21fw_packets10:50:191
1310599250,24cyclictest0-21swapper/112:27:081
1309899253,1cyclictest62550irq/127-eno112:19:180
1309899250,24cyclictest6502-21diskmemload10:50:190
1309899250,24cyclictest62550irq/127-eno111:50:200
1309899250,24cyclictest3642-21ssh11:00:380
1309899250,24cyclictest11852-21sh09:41:290
1309899250,0cyclictest0-21swapper/011:09:590
1311499240,24cyclictest0-21swapper/312:07:283
1311499240,20cyclictest0-21swapper/311:51:343
1311499240,0cyclictest0-21swapper/311:25:363
13109992422,1cyclictest6502-21diskmemload09:35:192
1310999240,23cyclictest0-21swapper/211:21:292
13105992422,1cyclictest0-21swapper/111:57:401
1310599240,23cyclictest8816-21munin-run09:40:011
1310599240,23cyclictest7674-21ssh12:01:571
1310599240,23cyclictest29369-21idleruntime-cro09:30:001
1310599240,23cyclictest12182-21sh12:05:351
1310599240,0cyclictest29598-21ssh10:55:231
1310599240,0cyclictest0-21swapper/111:15:451
1309899242,1cyclictest28640-21ssh11:23:510
13098992420,3cyclictest0-21swapper/011:25:180
1309899240,24cyclictest0-21swapper/010:09:550
1309899240,23cyclictest6502-21diskmemload10:46:480
1309899240,0cyclictest6502-21diskmemload11:37:200
13114992323,0cyclictest0-21swapper/309:16:523
13114992321,2cyclictest4136-21wc09:05:013
13114992321,1cyclictest10752-21ssh09:13:113
1311499230,23cyclictest6502-21diskmemload09:36:363
1311499230,23cyclictest0-21swapper/311:58:343
1311499230,23cyclictest0-21swapper/310:16:343
1311499230,22cyclictest6502-21diskmemload10:35:433
1311499230,22cyclictest4608-21/usr/sbin/munin10:05:253
1311499230,22cyclictest0-21swapper/307:20:163
1311499230,22cyclictest0-21swapper/307:20:163
1311499230,20cyclictest6502-21diskmemload12:16:093
13109992323,0cyclictest0-21swapper/210:36:232
13109992323,0cyclictest0-21swapper/210:17:232
13109992322,1cyclictest0-21swapper/209:19:082
13109992321,1cyclictest0-21swapper/212:25:172
13109992320,2cyclictest11777-21ssh09:14:282
1310999231,21cyclictest20344-21apt-get11:45:172
1310999230,23cyclictest6502-21diskmemload09:51:042
1310999230,23cyclictest0-21swapper/210:55:542
1310999230,23cyclictest0-21swapper/210:12:242
1310999230,22cyclictest8301-21ssh11:34:582
1310999230,22cyclictest6502-21diskmemload10:54:212
1310999230,22cyclictest6502-21diskmemload10:46:222
1310999230,22cyclictest30025-21ssh10:27:052
1310999230,22cyclictest19295-21ssh12:12:342
1310999230,22cyclictest15226-21df09:45:202
1310999230,22cyclictest0-21swapper/209:30:262
1310999230,1cyclictest29315-21ssh11:52:402
1310999230,0cyclictest6502-21diskmemload11:05:432
1310999230,0cyclictest0-21swapper/211:35:342
1310999230,0cyclictest0-21swapper/210:02:432
1310999230,0cyclictest0-21swapper/209:26:422
13105992323,0cyclictest6502-21diskmemload09:23:401
13105992323,0cyclictest0-21swapper/112:16:301
13105992323,0cyclictest0-21swapper/112:12:071
13105992323,0cyclictest0-21swapper/111:48:121
13105992323,0cyclictest0-21swapper/111:05:401
13105992323,0cyclictest0-21swapper/110:41:001
13105992323,0cyclictest0-21swapper/110:20:251
13105992322,1cyclictest6502-21diskmemload09:40:021
13105992321,1cyclictest6502-21diskmemload09:10:011
13105992321,1cyclictest20283-21ssh09:50:121
13105992321,1cyclictest0-21swapper/111:50:011
1310599230,2cyclictest20368-21sh10:19:081
1310599230,2cyclictest17100-21ssh09:18:281
1310599230,23cyclictest0-21swapper/110:31:111
1310599230,22cyclictest16321-21rm11:40:351
1310599230,22cyclictest0-21swapper/112:30:151
1310599230,22cyclictest0-21swapper/108:15:171
1310599230,0cyclictest0-21swapper/110:27:451
1310599230,0cyclictest0-21swapper/110:04:591
13098992323,0cyclictest6502-21diskmemload10:30:340
13098992323,0cyclictest0-21swapper/012:35:150
13098992323,0cyclictest0-21swapper/012:34:050
13098992322,1cyclictest0-21swapper/010:27:120
13098992322,0cyclictest6986-21apt-get09:10:170
13098992321,1cyclictest12122-21ssh12:05:300
13098992321,1cyclictest0-21swapper/012:15:010
13098992321,1cyclictest0-21swapper/012:00:200
13098992321,1cyclictest0-21swapper/011:42:170
13098992321,1cyclictest0-21swapper/010:35:170
13098992321,1cyclictest0-21swapper/009:15:500
13098992320,2cyclictest19724-21latency_hist08:30:010
13098992320,2cyclictest0-21swapper/009:30:240
1309899230,2cyclictest18656-21ssh11:15:050
1309899230,23cyclictest0-21swapper/012:21:010
1309899230,22cyclictest3380-21ssh10:03:550
1309899230,22cyclictest28060-21sendmail07:40:010
1309899230,0cyclictest6502-21diskmemload09:56:130
1309899230,0cyclictest0-21swapper/012:25:070
1309899230,0cyclictest0-21swapper/010:14:520
13114992220,1cyclictest5269-21perf08:00:003
13114992219,3cyclictest0-21swapper/312:24:103
1311499220,1cyclictest29605-21apt-get08:50:163
1311499220,1cyclictest28078-21latency_hist07:40:013
1311499220,1cyclictest25830-21sh09:55:073
13109992222,0cyclictest0-21swapper/212:36:012
13109992222,0cyclictest0-21swapper/212:30:102
13109992221,0cyclictest32004-21apt-get08:55:182
13109992220,2cyclictest25516-21sh10:23:392
13109992220,1cyclictest6533-21grep09:10:012
13109992220,1cyclictest1637-21apt-get11:00:172
13109992220,1cyclictest0-21swapper/212:16:102
13109992220,1cyclictest0-21swapper/210:40:552
1310999220,22cyclictest31443-21sh11:25:252
1310999220,21cyclictest6502-21diskmemload10:06:142
1310999220,21cyclictest28355-21apt-get07:40:172
1310999220,21cyclictest2187-21ssh11:57:102
1310999220,21cyclictest14290-21/usr/sbin/munin11:10:242
1310999220,21cyclictest0-21swapper/209:58:142
1310999220,1cyclictest7707-21ssh12:02:082
1310999220,1cyclictest2644-21ssh10:30:542
1310999220,1cyclictest0-21swapper/209:20:482
13105992222,0cyclictest6502-21diskmemload09:56:111
13105992220,1cyclictest606-21dbus-daemon07:40:011
13105992220,1cyclictest21080-21sh10:48:101
13105992219,2cyclictest10734-21ssh11:35:301
1310599220,22cyclictest415-21ssh09:31:371
1310599220,21cyclictest24439-21apt-get11:20:161
1310599220,21cyclictest23438-21apt-get07:30:161
1310599220,21cyclictest18647-21apt-get07:20:161
1310599220,21cyclictest18647-21apt-get07:20:161
1310599220,21cyclictest10335-21apt-get08:10:161
1310599220,21cyclictest10335-21apt-get08:10:161
1310599220,21cyclictest0-21swapper/112:20:101
1310599220,21cyclictest0-21swapper/110:35:161
1310599220,21cyclictest0-21swapper/108:50:161
1310599220,1cyclictest30750-21apt-get07:45:161
1310599220,1cyclictest10213-21apt-get10:10:171
1310599220,1cyclictest0-21swapper/110:05:181
1310599220,1cyclictest0-21swapper/109:47:421
1310599220,0cyclictest0-21swapper/111:25:351
13098992221,1cyclictest14803-21ssh10:42:080
13098992221,0cyclictest0-21swapper/010:20:170
13098992219,3cyclictest62550irq/127-eno109:27:060
13098992219,2cyclictest17327-21latency_hist08:25:010
1309899220,22cyclictest6502-21diskmemload09:23:320
1309899220,21cyclictest6502-21diskmemload11:30:170
1309899220,21cyclictest5365-21ssh09:35:490
1309899220,21cyclictest31346-21ssh11:55:060
1309899220,21cyclictest0-21swapper/008:20:010
1309899220,1cyclictest17943-21ssh10:15:500
1309899220,1cyclictest0-21swapper/009:52:420
13114992120,0cyclictest0-21swapper/308:30:153
1311499210,21cyclictest0-21swapper/309:05:163
1311499210,1cyclictest26934-21latency_hist08:45:003
13109992119,1cyclictest704-21apt-get07:50:172
1310999210,20cyclictest0-21swapper/207:35:152
1310999210,1cyclictest0-21swapper/211:40:102
13105992121,0cyclictest0-21swapper/112:35:131
1310599210,21cyclictest0-21swapper/111:30:101
1310599210,0cyclictest0-21swapper/109:05:171
13098992121,0cyclictest0-21swapper/009:45:490
13098992119,1cyclictest619-21polkitd07:25:010
13098992119,1cyclictest619-21polkitd07:25:010
13098992119,1cyclictest23182-21awk07:30:010
13114992020,0cyclictest0-21swapper/308:55:183
13114992020,0cyclictest0-21swapper/308:10:163
13114992020,0cyclictest0-21swapper/308:10:163
13114992020,0cyclictest0-21swapper/307:25:153
13109992020,0cyclictest0-21swapper/208:45:162
13109992020,0cyclictest0-21swapper/207:55:152
13109992020,0cyclictest0-21swapper/207:10:162
13109992019,1cyclictest7942-21apt-get08:05:172
1310999200,19cyclictest0-21swapper/208:25:152
1310999200,0cyclictest0-21swapper/209:00:172
1310599200,0cyclictest0-21swapper/108:55:171
1310599200,0cyclictest0-21swapper/108:05:171
13098992020,0cyclictest26946-21perf08:45:000
13098992020,0cyclictest0-21swapper/007:55:160
13098992018,1cyclictest6498-21cron09:10:010
13098992018,1cyclictest20001-21apt-get08:30:150
1311499192,8cyclictest15210-21apt-get08:20:173
13114991919,0cyclictest0-21swapper/308:25:153
13114991919,0cyclictest0-21swapper/308:00:183
13114991919,0cyclictest0-21swapper/307:50:163
13114991919,0cyclictest0-21swapper/307:10:163
13109991919,0cyclictest0-21swapper/208:00:182
13109991919,0cyclictest0-21swapper/207:20:162
13109991919,0cyclictest0-21swapper/207:20:162
13109991918,0cyclictest24818-21apt-get08:40:182
13109991917,1cyclictest16227-21apt-get07:15:162
13105991917,1cyclictest606-21dbus-daemon08:30:011
13105991917,1cyclictest26951-21munin-run08:45:001
13098991919,0cyclictest0-21swapper/008:50:160
13098991919,0cyclictest0-21swapper/008:10:000
13098991919,0cyclictest0-21swapper/007:40:180
13109991818,0cyclictest0-21swapper/208:20:172
13109991818,0cyclictest0-21swapper/207:30:152
13109991817,0cyclictest0-21swapper/208:15:162
13109991817,0cyclictest0-21swapper/208:10:162
13109991817,0cyclictest0-21swapper/208:10:162
13109991816,1cyclictest23137-21cron07:30:012
1310999180,0cyclictest0-21swapper/208:30:152
13105991816,1cyclictest23177-21munin-run07:30:011
13098991818,0cyclictest0-21swapper/008:55:170
13098991818,0cyclictest0-21swapper/007:50:170
1309899180,17cyclictest0-21swapper/008:45:160
13114991717,0cyclictest12729-21apt-get08:15:173
13114991716,1cyclictest0-21swapper/308:45:163
13114991716,0cyclictest0-21swapper/307:30:163
13109991717,0cyclictest0-21swapper/208:50:162
13109991717,0cyclictest0-21swapper/207:45:162
13105991717,0cyclictest3129-21apt-get07:55:161
13114991616,0cyclictest0-21swapper/307:40:173
13114991611,0cyclictest0-21swapper/308:05:173
1311499160,15cyclictest23832-21grep08:35:253
13109991616,0cyclictest0-21swapper/208:35:162
13105991616,0cyclictest15210-21apt-get08:20:171
13105991615,0cyclictest27211-21apt-get08:45:161
13098991616,0cyclictest0-21swapper/008:35:160
13098991614,1cyclictest0-21swapper/007:20:000
13114991514,1cyclictest0-21swapper/307:50:003
13105991515,0cyclictest0-21swapper/108:30:151
13098991514,1cyclictest7675-21perf08:05:000
1310599140,0cyclictest0-21swapper/107:15:091
13098991414,0cyclictest2007-21apt-get09:00:170
13098991414,0cyclictest0-21swapper/007:45:150
13098991414,0cyclictest0-21swapper/007:10:160
1309899140,14cyclictest0-21swapper/008:10:150
1309899140,14cyclictest0-21swapper/008:10:150
1309899140,14cyclictest0-21swapper/007:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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