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2026-08-07 - 20:01

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 07, 2026 12:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3143999270,26cyclictest25161-21diskmemload12:10:210
3144299250,24cyclictest25688-21ssh10:38:463
31441992520,2cyclictest29353-21sh09:43:242
3144099250,24cyclictest0-21swapper/110:14:081
3143999250,24cyclictest0-21swapper/010:57:080
31442992424,0cyclictest0-21swapper/311:31:553
3144299240,23cyclictest25161-21diskmemload09:16:073
3144299240,23cyclictest0-21swapper/311:42:083
3144299240,23cyclictest0-21swapper/309:30:043
31441992422,1cyclictest21492-21users10:04:182
31441992422,1cyclictest0-21swapper/210:43:072
31441992420,2cyclictest0-21swapper/211:35:562
3144199241,2cyclictest10060-21munin-node07:55:012
3144199240,23cyclictest7204-21ssh09:52:102
3144199240,23cyclictest0-21swapper/211:29:052
3144199240,0cyclictest0-21swapper/210:39:122
31440992422,1cyclictest15367-21ssh11:26:501
31440992421,2cyclictest5428-21ssh12:16:031
3144099240,24cyclictest0-21swapper/109:22:221
3144099240,23cyclictest622-21gdbus12:40:001
3144099240,23cyclictest25161-21diskmemload12:04:581
3144099240,23cyclictest25161-21diskmemload09:35:421
3144099240,23cyclictest0-21swapper/112:31:061
3144099240,0cyclictest25161-21diskmemload11:56:241
3144099240,0cyclictest0-21swapper/110:40:591
31439992424,0cyclictest0-21swapper/011:33:050
31439992423,1cyclictest7859-21ssh11:20:000
31439992423,1cyclictest0-21swapper/009:29:100
31439992422,1cyclictest0-21swapper/011:25:020
31439992421,2cyclictest606-21dbus-daemon11:25:000
31439992421,2cyclictest0-21swapper/011:14:590
31439992421,2cyclictest0-21swapper/009:59:320
3143999240,24cyclictest0-21swapper/009:31:240
3143999240,23cyclictest23788-21date11:05:010
3143999240,23cyclictest23506-21ssh09:37:560
3143999240,23cyclictest13527-21sh10:27:230
3143999240,23cyclictest0-21swapper/012:30:380
3143999240,23cyclictest0-21swapper/010:43:260
3143999240,23cyclictest0-21swapper/009:10:430
31442992323,0cyclictest0-21swapper/312:05:183
31442992323,0cyclictest0-21swapper/311:19:083
31442992323,0cyclictest0-21swapper/310:55:133
31442992322,1cyclictest25161-21diskmemload12:02:263
31442992322,1cyclictest25161-21diskmemload11:01:423
31442992321,1cyclictest3357-21sh10:47:163
31442992321,1cyclictest23822-21sh12:33:293
31442992321,1cyclictest0-21swapper/311:51:413
31442992321,1cyclictest0-21swapper/311:29:393
31442992320,2cyclictest6764-21rm10:20:353
31442992320,2cyclictest28848-21ssh10:11:403
31442992320,2cyclictest28595-21ssh12:37:153
31442992320,2cyclictest17579-21ssh10:30:163
31442992320,2cyclictest1586-21seq10:16:123
3144299230,23cyclictest25161-21diskmemload09:37:063
3144299230,23cyclictest0-21swapper/311:10:493
3144299230,22cyclictest7588-21ssh10:50:223
3144299230,22cyclictest29738-21sh10:41:433
3144299230,22cyclictest25161-21diskmemload09:51:503
3144299230,22cyclictest25161-21diskmemload09:40:363
3144299230,0cyclictest0-21swapper/311:59:453
3144299230,0cyclictest0-21swapper/310:07:343
31441992323,0cyclictest0-21swapper/212:24:402
31441992323,0cyclictest0-21swapper/210:16:132
31441992323,0cyclictest0-21swapper/208:54:072
31441992322,1cyclictest27555-21ssh12:07:122
31441992322,1cyclictest25161-21diskmemload09:38:392
31441992322,1cyclictest0-21swapper/211:11:112
31441992321,1cyclictest0-21swapper/211:32:422
31441992321,1cyclictest0-21swapper/211:02:542
3144199230,23cyclictest25161-21diskmemload12:11:302
3144199230,23cyclictest25161-21diskmemload10:09:202
3144199230,23cyclictest25161-21diskmemload09:14:492
3144199230,23cyclictest0-21swapper/212:02:562
3144199230,23cyclictest0-21swapper/211:55:462
3144199230,22cyclictest22839-21munin-run10:35:002
3144199230,22cyclictest1975-21ssh10:45:192
3144199230,22cyclictest10720-21basename08:40:012
3144199230,22cyclictest10028-21ssh11:22:462
3144199230,22cyclictest0-21swapper/211:40:482
3144199230,1cyclictest0-21swapper/211:16:032
3144199230,0cyclictest0-21swapper/212:34:582
3144199230,0cyclictest0-21swapper/209:30:132
3144199230,0cyclictest0-21swapper/209:10:002
31440992323,0cyclictest0-21swapper/111:13:341
31440992323,0cyclictest0-21swapper/110:34:161
31440992323,0cyclictest0-21swapper/110:22:061
31440992323,0cyclictest0-21swapper/110:07:001
31440992323,0cyclictest0-21swapper/110:01:161
31440992323,0cyclictest0-21swapper/109:46:311
31440992323,0cyclictest0-21swapper/109:40:361
31440992321,1cyclictest606-21dbus-daemon08:05:001
31440992321,1cyclictest23052-21ssh10:35:041
31440992321,1cyclictest0-21swapper/111:45:231
31440992321,1cyclictest0-21swapper/111:35:401
31440992321,1cyclictest0-21swapper/110:25:591
31440992321,1cyclictest0-21swapper/109:52:171
31440992321,1cyclictest0-21swapper/109:20:011
3144099230,2cyclictest25161-21diskmemload09:26:511
3144099230,23cyclictest25161-21diskmemload11:30:391
3144099230,22cyclictest0-21swapper/112:08:531
3144099230,22cyclictest0-21swapper/111:04:481
3144099230,0cyclictest0-21swapper/112:27:411
3144099230,0cyclictest0-21swapper/110:59:271
3144099230,0cyclictest0-21swapper/109:57:281
3144099230,0cyclictest0-21swapper/109:30:341
3144099230,0cyclictest0-21swapper/109:12:241
31439992323,0cyclictest0-21swapper/010:15:270
31439992321,1cyclictest0-21swapper/011:43:370
31439992321,1cyclictest0-21swapper/010:20:290
3143999230,2cyclictest1350-21turbostat.cron07:15:000
3143999230,23cyclictest25161-21diskmemload09:21:200
3143999230,23cyclictest0-21swapper/009:51:580
3143999230,22cyclictest883-21ssh09:17:480
3143999230,22cyclictest25161-21diskmemload12:00:060
3143999230,22cyclictest25161-21diskmemload11:50:160
3143999230,22cyclictest24945-21ssh10:08:530
3143999230,22cyclictest0-21swapper/012:26:190
3143999230,22cyclictest0-21swapper/011:36:310
3143999230,1cyclictest0-21swapper/009:46:210
3143999230,0cyclictest0-21swapper/012:37:230
31442992221,1cyclictest25161-21diskmemload12:12:383
31442992220,2cyclictest26227-21ssh09:11:013
31442992220,1cyclictest8891-21rm11:21:093
31442992220,1cyclictest0-21swapper/311:07:103
31442992220,1cyclictest0-21swapper/309:25:483
3144299220,21cyclictest605-21avahi-daemon08:25:013
3144299220,21cyclictest313-21systemd-journal08:30:013
3144299220,21cyclictest25161-21diskmemload12:15:163
3144299220,21cyclictest0-21swapper/311:45:223
3144299220,21cyclictest0-21swapper/310:27:123
3144299220,21cyclictest0-21swapper/309:55:303
3144299220,1cyclictest18707-21ssh10:02:523
3144299220,1cyclictest16172-21sh12:25:313
3144299220,1cyclictest13480-21perf07:40:013
3144299220,1cyclictest0-21swapper/311:35:403
31441992222,0cyclictest0-21swapper/211:50:242
31441992220,1cyclictest4209-21ssh11:45:462
31441992220,1cyclictest24301-21ssh11:05:292
31441992220,1cyclictest18795-21ssh12:29:082
3144199220,22cyclictest0-21swapper/209:45:122
3144199220,21cyclictest6727-21ssh12:17:522
3144199220,21cyclictest5933-21grep08:30:012
3144199220,21cyclictest28617-21ssh12:37:172
3144199220,21cyclictest1941-21apt-get07:19:072
3144199220,21cyclictest13537-21ssh10:56:002
3144199220,21cyclictest13482-21apt07:40:012
3144199220,21cyclictest13224-21ssh10:26:482
3144199220,21cyclictest11847-21ssh09:56:002
3144199220,21cyclictest0-21swapper/210:13:162
3144199220,21cyclictest0-21swapper/208:09:112
3144199220,1cyclictest1-21systemd10:50:432
3144199220,0cyclictest25161-21diskmemload10:20:172
31440992222,0cyclictest0-21swapper/110:16:121
31440992220,1cyclictest0-21swapper/110:46:381
31440992219,2cyclictest8156-21ssh11:20:021
31440992219,2cyclictest3539-21latency_hist08:25:011
3144099220,21cyclictest18282-21apt-get07:50:021
3144099220,21cyclictest0-21swapper/112:10:191
3144099220,1cyclictest0-21swapper/111:05:081
3144099220,0cyclictest25161-21diskmemload11:43:091
31439992222,0cyclictest0-21swapper/011:55:240
31439992221,1cyclictest0-21swapper/012:05:410
31439992221,0cyclictest4103-21apt-get08:29:080
31439992220,1cyclictest16791-21sh10:00:030
31439992220,1cyclictest0-21swapper/012:15:030
3143999220,22cyclictest28596-21rm10:11:160
3143999220,22cyclictest0-21swapper/010:51:210
3143999220,21cyclictest17791-21ssh10:30:340
3143999220,21cyclictest11547-21apt-get07:39:080
3143999220,21cyclictest1131-21idleruntime-cro08:20:000
3143999220,21cyclictest10748-21munin-run08:40:010
3143999220,21cyclictest0-21swapper/010:48:190
3143999220,21cyclictest0-21swapper/010:35:070
3143999220,21cyclictest0-21swapper/009:40:300
3143999220,1cyclictest0-21swapper/011:46:440
3143999220,1cyclictest0-21swapper/011:05:210
31442992120,1cyclictest25161-21diskmemload12:20:123
31442992120,1cyclictest22094-21apt07:59:093
31442992119,1cyclictest0-21swapper/309:45:183
3144299210,20cyclictest0-21swapper/307:44:063
3144299210,0cyclictest25161-21diskmemload09:20:043
3144299210,0cyclictest19255-21apt-get07:54:073
3144299210,0cyclictest16102-21apt-get08:54:073
31441992119,1cyclictest0-21swapper/209:20:112
3144199210,21cyclictest25161-21diskmemload09:25:032
3144199210,20cyclictest0-21swapper/209:04:072
31440992121,0cyclictest0-21swapper/110:50:131
31440992120,1cyclictest0-21swapper/112:20:031
3144099210,21cyclictest0-21swapper/111:15:301
31439992120,0cyclictest23357-21apt-get09:09:060
31439992119,1cyclictest21743-21apt-get07:55:010
3143999210,20cyclictest0-21swapper/007:54:060
3143999210,0cyclictest0-21swapper/007:34:080
31442992020,0cyclictest0-21swapper/307:49:073
31442992019,1cyclictest9150-21apt-get07:34:083
31442992019,1cyclictest25167-21dump-pmu-power09:10:003
31441992020,0cyclictest0-21swapper/208:04:062
31441992018,1cyclictest1702-21apt-get08:24:072
3144199200,20cyclictest0-21swapper/207:54:072
3144199200,0cyclictest0-21swapper/208:44:062
3144199200,0cyclictest0-21swapper/208:14:072
3144199200,0cyclictest0-21swapper/207:49:072
31440992020,0cyclictest0-21swapper/108:44:061
31440992019,1cyclictest0-21swapper/107:34:081
31440992019,0cyclictest20967-21apt-get09:04:071
31439992020,0cyclictest0-21swapper/008:59:060
31439992018,1cyclictest0-21swapper/008:05:000
3143999200,20cyclictest0-21swapper/007:44:060
31442991919,0cyclictest0-21swapper/307:19:073
31442991918,0cyclictest0-21swapper/309:04:073
31441991919,0cyclictest0-21swapper/207:44:062
31441991917,1cyclictest8318-21idleruntime-cro08:35:012
31440991919,0cyclictest0-21swapper/107:59:091
31439991919,0cyclictest1702-21apt-get08:24:070
31442991816,1cyclictest0-21swapper/308:15:003
31441991818,0cyclictest0-21swapper/207:24:082
31440991818,0cyclictest14068-21apt-get07:44:071
31440991818,0cyclictest0-21swapper/108:54:071
31440991818,0cyclictest0-21swapper/108:39:091
31440991818,0cyclictest0-21swapper/108:09:121
31440991816,1cyclictest606-21dbus-daemon07:25:001
31439991818,0cyclictest0-21swapper/008:49:070
31439991818,0cyclictest0-21swapper/007:24:080
31439991817,1cyclictest8578-21latency_hist07:30:000
3143999180,18cyclictest0-21swapper/008:54:070
3143999180,17cyclictest0-21swapper/008:34:080
31442991716,1cyclictest24510-21apt-get08:04:063
31441991717,0cyclictest0-21swapper/207:29:082
31440991717,0cyclictest0-21swapper/108:14:071
31440991717,0cyclictest0-21swapper/107:49:071
31440991715,1cyclictest619-21polkitd08:20:001
31439991716,0cyclictest16462-21apt-get07:49:070
31439991715,1cyclictest22786-21turbostat.cron09:05:000
31442991616,0cyclictest0-21swapper/308:19:083
31442991614,1cyclictest0-21swapper/308:35:013
3144299160,15cyclictest10355-21find08:39:173
31440991615,0cyclictest0-21swapper/108:49:081
3144099160,1cyclictest0-21swapper/108:29:141
3144199150,15cyclictest10060-21munin-node08:17:422
31439991515,0cyclictest0-21swapper/008:14:070
3144299140,14cyclictest0-21swapper/308:45:053
3144299140,14cyclictest0-21swapper/308:06:143
3144299140,14cyclictest0-21swapper/307:20:443
3144299140,14cyclictest0-21swapper/307:11:143
3144299140,0cyclictest0-21swapper/308:55:183
3144299140,0cyclictest0-21swapper/308:40:453
3144299140,0cyclictest0-21swapper/307:25:193
3144199140,14cyclictest0-21swapper/208:47:322
3144199140,0cyclictest0-21swapper/208:55:032
3144199140,0cyclictest0-21swapper/207:32:282
3144199140,0cyclictest0-21swapper/207:10:392
31440991414,0cyclictest0-21swapper/108:55:051
31440991414,0cyclictest0-21swapper/107:35:441
3144099140,0cyclictest0-21swapper/109:05:311
31439991414,0cyclictest0-21swapper/008:42:140
3143999140,14cyclictest0-21swapper/008:06:050
3143999140,14cyclictest0-21swapper/007:15:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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