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2026-06-25 - 22:40

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 Thu Jun 25, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305102115104,6sleep20-21swapper/207:06:372
30632211493,15sleep10-21swapper/107:08:131
30599210785,16sleep30-21swapper/307:07:463
30750210379,18sleep00-21swapper/007:09:440
42852740,0sleep00-21swapper/010:41:520
216842720,0sleep30-21swapper/311:00:393
196292720,0sleep00-21swapper/010:59:160
172272690,1sleep10-21swapper/110:21:021
274862280,0sleep20-21swapper/208:20:112
285752230,1sleep20-21swapper/212:17:342
3079999220,20cyclictest0-21swapper/108:15:121
3079999210,16cyclictest0-21swapper/111:24:011
3080099201,17cyclictest0-21swapper/211:00:052
30799992017,2cyclictest810-21kworker/u8:208:36:041
30799992017,2cyclictest3739-21kworker/u8:009:54:051
30799992017,2cyclictest3739-21kworker/u8:009:42:041
30799992017,2cyclictest2732-21kworker/u8:107:27:051
30799992017,2cyclictest24616-21kworker/u8:012:24:061
30799992017,2cyclictest14916-21kworker/u8:208:09:051
30800991916,2cyclictest30078-21kworker/u8:211:50:052
30800991916,2cyclictest24616-21kworker/u8:012:23:052
30800991915,3cyclictest2653-21kworker/u8:112:28:052
30799991916,2cyclictest8528-21kworker/u8:209:39:051
30799991916,2cyclictest6430-21kworker/u8:210:48:051
30799991916,2cyclictest6430-21kworker/u8:210:44:011
30799991916,2cyclictest29802-21kworker/u8:111:45:041
30799991916,2cyclictest2653-21kworker/u8:112:33:041
30799991916,2cyclictest2653-21kworker/u8:112:26:041
30799991916,2cyclictest24616-21kworker/u8:011:52:051
30799991916,2cyclictest24176-21kworker/u8:008:43:041
30799991916,2cyclictest24176-21kworker/u8:008:12:041
30799991916,2cyclictest19398-21kworker/u8:211:35:051
30799991916,2cyclictest14916-21kworker/u8:207:54:051
30799991916,2cyclictest14806-21kworker/u8:212:08:051
30799991916,2cyclictest10733-21kworker/u8:009:22:021
3079999191,2cyclictest0-21swapper/109:30:051
3079999190,14cyclictest0-21swapper/112:39:051
30798991916,2cyclictest8528-21kworker/u8:209:49:050
30800991815,2cyclictest29802-21kworker/u8:111:44:012
30800991815,2cyclictest19466-21kworker/u8:109:50:012
30799991815,2cyclictest810-21kworker/u8:208:58:021
30799991815,2cyclictest742-21kworker/u8:110:13:051
30799991815,2cyclictest6679-21kworker/u8:109:08:041
30799991815,2cyclictest29802-21kworker/u8:111:29:051
30799991815,2cyclictest29802-21kworker/u8:111:11:051
30799991815,2cyclictest29240-21kworker/u8:108:33:051
30799991815,2cyclictest2732-21kworker/u8:107:58:051
30799991815,2cyclictest27254-21kworker/u8:209:58:051
30799991815,2cyclictest24176-21kworker/u8:008:48:051
30799991815,2cyclictest20405-21kworker/u8:110:35:051
30799991815,2cyclictest20179-21kworker/u8:112:19:041
30799991815,2cyclictest17895-21kworker/u8:211:09:041
30799991815,2cyclictest17895-21kworker/u8:211:01:051
30799991815,2cyclictest11278-21kworker/u8:110:57:041
30799991815,2cyclictest10906-21kworker/u8:007:48:041
3079999181,2cyclictest0-21swapper/110:29:041
3079999181,2cyclictest0-21swapper/109:27:041
30800991714,2cyclictest8605-21kworker/u8:011:31:042
30800991714,2cyclictest8605-21kworker/u8:011:23:042
30800991714,2cyclictest4324-21kworker/u8:010:53:042
30800991714,2cyclictest27254-21kworker/u8:209:57:052
30799991714,2cyclictest7080-21kworker/u8:111:56:051
30799991714,2cyclictest6835-21kworker/u8:207:36:041
30799991714,2cyclictest29802-21kworker/u8:111:15:041
30799991714,2cyclictest29240-21kworker/u8:108:26:041
30799991714,2cyclictest28678-21kworker/u8:207:20:041
30799991714,2cyclictest26002-21kworker/u8:107:10:041
30799991714,2cyclictest24616-21kworker/u8:011:41:041
3079999170,2cyclictest0-21swapper/108:23:051
3079999170,12cyclictest0-21swapper/107:31:051
3080199161,3cyclictest0-21swapper/310:10:393
3080199161,3cyclictest0-21swapper/309:00:153
30801991611,3cyclictest4562-21gdm-simple-gree10:49:593
30800991613,2cyclictest810-21kworker/u8:208:54:042
30800991613,2cyclictest31054-21kworker/u8:007:11:042
30800991613,2cyclictest29497-21kworker/u8:109:36:042
3080099161,13cyclictest2600-21apt-get07:20:102
30799991613,2cyclictest742-21kworker/u8:110:06:011
30799991613,2cyclictest6679-21kworker/u8:109:02:011
30799991613,2cyclictest2732-21kworker/u8:108:03:041
30799991613,2cyclictest27254-21kworker/u8:210:02:041
30799991612,2cyclictest7080-21kworker/u8:112:00:051
3079999160,2cyclictest0-21swapper/110:15:041
3079999160,15cyclictest0-21swapper/107:44:051
30798991613,2cyclictest0-21swapper/007:20:100
30798991611,3cyclictest3605-21taskset09:31:060
3080199150,3cyclictest4885-21sh11:17:373
3080199150,2cyclictest0-21swapper/309:25:153
3080199150,13cyclictest0-21swapper/309:59:383
3080199150,13cyclictest0-21swapper/307:20:173
3080099151,3cyclictest19661-21ssh10:59:202
30800991512,2cyclictest8605-21kworker/u8:011:28:052
30800991512,2cyclictest810-21kworker/u8:208:55:052
30800991512,2cyclictest7080-21kworker/u8:112:02:022
30800991512,2cyclictest3739-21kworker/u8:010:00:042
30800991512,2cyclictest28678-21kworker/u8:207:17:052
30800991512,2cyclictest24616-21kworker/u8:011:48:052
30800991512,2cyclictest19398-21kworker/u8:211:37:052
30800991512,2cyclictest10733-21kworker/u8:009:16:052
30799991512,2cyclictest20179-21kworker/u8:112:12:051
30799991512,2cyclictest20179-21kworker/u8:112:12:041
3079999150,2cyclictest0-21swapper/109:18:041
3079899150,13cyclictest0-21swapper/012:31:260
30801991411,2cyclictest0-21swapper/309:19:473
30801991410,2cyclictest3013-21ssh10:05:583
30801991410,2cyclictest0-21swapper/311:10:143
30801991410,2cyclictest0-21swapper/310:25:143
3080199140,2cyclictest0-21swapper/312:15:173
3080199140,12cyclictest16024-21apt-get12:05:063
3080199140,12cyclictest14793-21diskmemload12:12:083
3080199140,12cyclictest14793-21diskmemload12:12:073
3080099149,3cyclictest0-21swapper/209:49:202
30800991411,2cyclictest742-21kworker/u8:110:19:042
30800991411,2cyclictest2732-21kworker/u8:107:59:042
30800991411,2cyclictest24176-21kworker/u8:008:49:042
30800991411,2cyclictest22919-21kworker/u8:011:05:042
30800991411,2cyclictest20405-21kworker/u8:110:40:042
30800991411,2cyclictest20179-21kworker/u8:112:11:042
30800991411,2cyclictest20179-21kworker/u8:112:11:042
30800991411,2cyclictest10733-21kworker/u8:009:25:042
3080099140,3cyclictest32691-21ssh10:38:002
3080099140,2cyclictest0-21swapper/211:17:262
3080099140,12cyclictest0-21swapper/209:43:162
3079999140,3cyclictest14420-21taskset10:53:191
3079999140,2cyclictest0-21swapper/111:32:051
3079999140,2cyclictest0-21swapper/110:34:011
3079999140,12cyclictest0-21swapper/109:47:551
30798991411,2cyclictest17895-21kworker/u8:211:00:050
30798991411,2cyclictest0-21swapper/010:50:170
30798991411,2cyclictest0-21swapper/009:54:560
30798991411,2cyclictest0-21swapper/008:20:110
30798991411,2cyclictest0-21swapper/007:15:160
30798991410,2cyclictest0-21swapper/012:15:130
3079899140,3cyclictest16024-21apt-get12:05:000
3079899140,2cyclictest0-21swapper/010:24:160
3079899140,13cyclictest0-21swapper/009:16:160
3079899140,12cyclictest30438-21apt-get12:20:120
3079899140,12cyclictest0-21swapper/011:45:460
3079899140,12cyclictest0-21swapper/008:50:110
3079899140,12cyclictest0-21swapper/007:35:000
282242140,3sleep03649-21snmpd10:33:190
3080199133,6cyclictest31496-21ssh11:46:003
3080199132,6cyclictest0-21swapper/308:30:003
30801991310,2cyclictest0-21swapper/311:30:193
30801991310,2cyclictest0-21swapper/310:18:403
30801991310,2cyclictest0-21swapper/307:40:133
3080199130,2cyclictest0-21swapper/312:20:303
3080199130,2cyclictest0-21swapper/310:40:153
3080199130,2cyclictest0-21swapper/310:22:363
3080199130,2cyclictest0-21swapper/309:50:273
3080199130,12cyclictest0-21swapper/310:03:473
3080199130,12cyclictest0-21swapper/309:45:183
3080199130,12cyclictest0-21swapper/309:40:183
3080199130,12cyclictest0-21swapper/309:35:103
3080199130,12cyclictest0-21swapper/308:51:043
30800991310,2cyclictest810-21kworker/u8:208:40:052
30800991310,2cyclictest742-21kworker/u8:110:10:052
30800991310,2cyclictest742-21kworker/u8:110:06:052
30800991310,2cyclictest6679-21kworker/u8:109:04:042
30800991310,2cyclictest24616-21kworker/u8:012:30:052
30800991310,2cyclictest14916-21kworker/u8:208:10:042
3080099130,3cyclictest17299-21ssh09:11:252
3080099130,2cyclictest618-21ssh11:13:342
3080099130,2cyclictest0-21swapper/212:07:042
3080099130,12cyclictest0-21swapper/211:55:182
3080099130,12cyclictest0-21swapper/207:45:122
3080099130,12cyclictest0-21swapper/207:40:142
3080099130,11cyclictest0-21swapper/209:30:152
30798991310,2cyclictest14793-21diskmemload10:17:360
30798991310,2cyclictest0-21swapper/011:59:060
30798991310,2cyclictest0-21swapper/011:25:070
30798991310,2cyclictest0-21swapper/011:14:360
30798991310,2cyclictest0-21swapper/010:05:100
3079899130,2cyclictest0-21swapper/010:10:180
3079899130,12cyclictest0-21swapper/012:29:270
3079899130,12cyclictest0-21swapper/011:34:560
3079899130,12cyclictest0-21swapper/009:10:470
3079899130,12cyclictest0-21swapper/007:55:130
3079899130,11cyclictest11726-21iostat_ios09:40:150
287562130,1sleep229-21rcuc/209:24:392
3080199129,2cyclictest0-21swapper/312:36:153
3080199129,2cyclictest0-21swapper/312:30:123
3080199129,2cyclictest0-21swapper/312:28:533
3080199129,2cyclictest0-21swapper/311:54:333
3080199129,2cyclictest0-21swapper/311:37:253
3080199129,2cyclictest0-21swapper/309:30:113
3080199129,2cyclictest0-21swapper/309:10:003
3080199127,3cyclictest20946-21munin-run08:05:003
3080199122,7cyclictest0-21swapper/308:08:593
3080199121,6cyclictest0-21swapper/308:40:003
3080199121,3cyclictest14798-21munin-run09:10:013
3080199120,2cyclictest15738-21missed_timers07:50:173
3080199120,2cyclictest14793-21diskmemload11:41:483
3080199120,2cyclictest0-21swapper/311:25:113
3080199120,2cyclictest0-21swapper/308:55:173
3080199120,2cyclictest0-21swapper/308:20:103
3080199120,2cyclictest0-21swapper/308:10:293
3080199120,2cyclictest0-21swapper/307:35:113
3080199120,2cyclictest0-21swapper/307:10:143
3080199120,1cyclictest0-21swapper/311:55:133
3080199120,11cyclictest0-21swapper/309:21:053
3080199120,11cyclictest0-21swapper/308:30:103
3080199120,11cyclictest0-21swapper/307:55:143
3080199120,10cyclictest14793-21diskmemload11:22:003
3080099129,2cyclictest2732-21kworker/u8:107:35:042
3080099129,2cyclictest25045-21ssh10:30:122
3080099129,2cyclictest0-21swapper/210:45:162
3080099129,2cyclictest0-21swapper/210:21:562
3080099129,2cyclictest0-21swapper/208:00:152
3080099120,11cyclictest0-21swapper/212:39:542
3080099120,11cyclictest0-21swapper/210:29:322
3080099120,11cyclictest0-21swapper/208:06:032
3079999120,11cyclictest0-21swapper/109:11:311
3079999120,11cyclictest0-21swapper/108:50:131
3079899129,2cyclictest0-21swapper/012:39:270
3079899129,2cyclictest0-21swapper/012:05:190
3079899129,2cyclictest0-21swapper/011:16:480
3079899129,2cyclictest0-21swapper/010:35:370
3079899129,2cyclictest0-21swapper/009:21:250
3079899129,2cyclictest0-21swapper/007:09:590
3079899120,11cyclictest14793-21diskmemload10:46:360
3079899120,11cyclictest0-21swapper/011:40:380
3079899120,11cyclictest0-21swapper/009:25:160
3079899120,11cyclictest0-21swapper/009:05:160
3079899120,11cyclictest0-21swapper/008:55:510
302682120,2sleep30-21swapper/310:35:153
227912120,2sleep00-21swapper/010:27:030
219502120,1sleep00-21swapper/011:35:440
137642120,1sleep00-21swapper/007:45:170
324322110,2sleep20-21swapper/208:31:032
3080199118,2cyclictest0-21swapper/311:06:003
3080199118,2cyclictest0-21swapper/310:31:053
3080199118,2cyclictest0-21swapper/308:15:203
3080199110,10cyclictest0-21swapper/310:59:393
3080199110,10cyclictest0-21swapper/310:50:083
3080099118,2cyclictest6679-21kworker/u8:109:05:052
3080099118,2cyclictest0-21swapper/208:35:152
3080099118,2cyclictest0-21swapper/208:26:042
3079899118,2cyclictest2561-21ssh11:50:150
3079899118,2cyclictest0-21swapper/011:23:480
3079899118,2cyclictest0-21swapper/010:01:370
3079899118,2cyclictest0-21swapper/008:35:010
3079899118,2cyclictest0-21swapper/008:25:160
3079899118,2cyclictest0-21swapper/007:25:050
3079899110,2cyclictest0-21swapper/012:12:040
3079899110,2cyclictest0-21swapper/012:12:030
3079899110,10cyclictest0-21swapper/009:55:490
3079899110,10cyclictest0-21swapper/009:38:170
3079899110,10cyclictest0-21swapper/008:41:040
3079899110,10cyclictest0-21swapper/008:15:400
202092110,1sleep00-21swapper/008:00:510
3080199105,3cyclictest5802-21head08:45:163
3080199105,3cyclictest14368-21grep07:46:023
3080199105,3cyclictest12098-21sort12:00:143
3080099107,2cyclictest2732-21kworker/u8:107:30:012
3080099105,3cyclictest25430-21cpuspeed_turbos08:15:142
3080099102,6cyclictest0-21swapper/207:53:592
3079999105,3cyclictest858-21grep07:15:131
3079899107,2cyclictest0-21swapper/011:05:110
559290,6sleep00-21swapper/008:35:010
308019996,2cyclictest0-21swapper/307:30:173
308019994,3cyclictest824-21cut07:15:133
308019994,3cyclictest6589-21cron07:30:003
308019990,2cyclictest0-21swapper/308:40:543
308009994,3cyclictest5128-21df_abs07:25:132
307989995,2cyclictest8925-21basename07:35:090
307989994,3cyclictest21616-21fschecks_count08:05:140
307989984,3cyclictest4734-21latency_hist08:45:010
307989983,3cyclictest12226-21switchtime09:01:020
307989973,3cyclictest15251-21df_abs07:50:120
307989973,2cyclictest3728-21runrttasks08:10:080
307989972,3cyclictest10904-21chrt07:40:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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