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2026-08-13 - 20:29

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 Aug 13, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4169211692,19sleep00-21swapper/007:09:320
34282113102,6sleep20-21swapper/207:05:372
4029210897,6sleep30-21swapper/307:07:463
3955210385,13sleep10-21swapper/107:06:481
291172690,0sleep30-21swapper/309:17:553
215022660,0sleep00-21swapper/009:43:130
430199351,18cyclictest17047-21ssh10:45:112
109482280,1sleep20-21swapper/210:05:162
218782250,1sleep20-21swapper/210:50:092
4302992320,2cyclictest13061-21kworker/u8:112:31:033
4302992219,2cyclictest21399-21kworker/u8:109:53:043
4302992219,2cyclictest21399-21kworker/u8:109:53:043
4302992219,2cyclictest13061-21kworker/u8:112:29:043
131652220,1sleep3381ktimersoftd/311:14:113
4302992118,2cyclictest20130-21kworker/u8:010:41:043
430199210,19cyclictest22695-21ssh12:30:102
429999210,19cyclictest0-21swapper/011:05:100
4302992017,2cyclictest742-21kworker/u8:112:08:033
4302992017,2cyclictest6096-21kworker/u8:009:32:043
4302992017,2cyclictest31783-21kworker/u8:210:50:053
4302992017,2cyclictest31783-21kworker/u8:210:47:043
4302992017,2cyclictest31783-21kworker/u8:210:27:043
4302992017,2cyclictest29427-21kworker/u8:111:05:043
4302992017,2cyclictest29427-21kworker/u8:111:03:043
4302992017,2cyclictest15844-21kworker/u8:210:03:043
430199201,2cyclictest0-21swapper/211:35:112
429999200,18cyclictest0-21swapper/007:15:110
4302991916,2cyclictest4401-21kworker/u8:012:19:043
4302991916,2cyclictest4401-21kworker/u8:011:36:043
4302991916,2cyclictest4401-21kworker/u8:011:27:043
4302991916,2cyclictest29427-21kworker/u8:110:58:043
4302991916,2cyclictest18484-21kworker/u8:109:22:043
4302991916,2cyclictest16020-21kworker/u8:211:55:043
4302991916,2cyclictest15844-21kworker/u8:209:58:043
4302991916,2cyclictest15844-21kworker/u8:209:44:043
4302991916,2cyclictest12302-21kworker/u8:007:41:043
4302991916,2cyclictest10986-21kworker/u8:111:49:043
4300991916,2cyclictest5133-21kworker/u8:211:44:041
4300991916,2cyclictest4401-21kworker/u8:012:15:041
4300991916,2cyclictest4401-21kworker/u8:011:11:041
32752190,1sleep20-21swapper/211:04:122
4302991815,2cyclictest742-21kworker/u8:112:13:043
4302991815,2cyclictest6544-21kworker/u8:110:20:043
4302991815,2cyclictest6096-21kworker/u8:009:39:043
4302991815,2cyclictest5133-21kworker/u8:211:42:043
4302991815,2cyclictest31061-21kworker/u8:108:27:043
4302991815,2cyclictest25232-21kworker/u8:012:37:043
4302991815,2cyclictest17302-21kworker/u8:211:30:043
4302991815,2cyclictest17302-21kworker/u8:211:19:033
4302991815,2cyclictest15844-21kworker/u8:209:47:043
430099180,2cyclictest0-21swapper/110:45:111
4302991714,2cyclictest8654-21kworker/u8:107:22:043
4302991714,2cyclictest6544-21kworker/u8:110:13:043
4302991714,2cyclictest2236-21kworker/u8:008:24:043
4302991714,2cyclictest20632-21kworker/u8:009:12:043
4302991714,2cyclictest15844-21kworker/u8:210:07:043
4302991714,2cyclictest14401-21kworker/u8:207:50:043
4302991714,2cyclictest12877-21kworker/u8:209:06:043
430299170,2cyclictest0-21swapper/311:23:043
430199172,2cyclictest0-21swapper/211:30:122
4300991714,2cyclictest6096-21kworker/u8:009:34:041
4300991714,2cyclictest20130-21kworker/u8:010:37:041
4300991714,2cyclictest17302-21kworker/u8:211:23:041
4302991613,2cyclictest4401-21kworker/u8:012:23:043
4302991613,2cyclictest23846-21kworker/u8:008:13:043
4302991613,2cyclictest2352-21kworker/u8:007:17:043
4302991613,2cyclictest2236-21kworker/u8:008:58:043
4302991613,2cyclictest14401-21kworker/u8:207:48:043
430299160,2cyclictest0-21swapper/312:01:043
430299160,2cyclictest0-21swapper/310:37:043
430199162,8cyclictest7810-21ssh12:15:002
4301991611,3cyclictest3153-21nscd11:55:112
4301991611,3cyclictest20892-21memory10:15:172
4300991613,2cyclictest742-21kworker/u8:112:12:011
4300991613,2cyclictest6544-21kworker/u8:110:25:041
4300991613,2cyclictest30909-21kworker/u8:209:26:041
4300991613,2cyclictest23846-21kworker/u8:008:06:011
4300991613,2cyclictest21399-21kworker/u8:109:43:041
4300991613,2cyclictest17302-21kworker/u8:211:26:051
4300991613,2cyclictest17302-21kworker/u8:211:18:041
4300991613,2cyclictest16020-21kworker/u8:212:01:041
430099160,14cyclictest0-21swapper/109:36:221
429999160,14cyclictest9399-21pzem_current09:30:190
4302991512,2cyclictest23846-21kworker/u8:008:15:043
4302991512,2cyclictest2236-21kworker/u8:009:02:043
4302991512,2cyclictest16860-21kworker/u8:207:11:043
4302991512,2cyclictest12302-21kworker/u8:007:39:043
430299150,2cyclictest0-21swapper/310:15:043
430299150,2cyclictest0-21swapper/309:26:043
430299150,2cyclictest0-21swapper/308:06:013
430199159,4cyclictest0-21swapper/212:30:002
430199151,12cyclictest0-21swapper/212:05:112
4301991511,2cyclictest0-21swapper/210:34:062
4300991512,2cyclictest6544-21kworker/u8:110:15:041
4300991512,2cyclictest29427-21kworker/u8:110:59:041
4300991512,2cyclictest23846-21kworker/u8:008:11:041
430099150,13cyclictest11768-21irqstats11:45:141
430099150,12cyclictest0-21swapper/111:57:481
429999154,9cyclictest24617-21munin-plugin-st10:20:000
4299991511,3cyclictest0-21swapper/010:55:140
429999150,13cyclictest20708-21diskmemload11:58:590
4302991411,2cyclictest2236-21kworker/u8:008:50:043
430299140,2cyclictest20708-21diskmemload11:54:373
430299140,2cyclictest0-21swapper/310:33:303
430199141,2cyclictest0-21swapper/208:10:172
4301991411,2cyclictest301ktimersoftd/212:13:362
4301991411,2cyclictest301ktimersoftd/210:13:092
430199140,2cyclictest301ktimersoftd/212:24:292
430199140,12cyclictest9639-21ssh10:36:412
430199140,12cyclictest0-21swapper/211:25:122
430199140,12cyclictest0-21swapper/211:24:162
4300991411,2cyclictest6544-21kworker/u8:110:24:041
4300991411,2cyclictest6544-21kworker/u8:110:10:051
4300991411,2cyclictest4401-21kworker/u8:011:33:041
4300991411,2cyclictest29427-21kworker/u8:111:00:041
4300991411,2cyclictest15844-21kworker/u8:209:49:041
4300991411,2cyclictest14401-21kworker/u8:208:16:041
4300991411,2cyclictest0-21swapper/112:23:381
430099140,2cyclictest0-21swapper/112:31:041
430099140,13cyclictest0-21swapper/109:15:491
430099140,12cyclictest0-21swapper/111:10:001
429999149,3cyclictest3398-21ssh11:04:240
429999149,3cyclictest29762-21munin-node0
429999149,3cyclictest27620-21hwlatdetect08:05:130
429999141,2cyclictest22150irq/25-ahci[00011:23:180
429999141,2cyclictest0-21swapper/012:34:240
4299991411,2cyclictest22150irq/25-ahci[00012:14:110
429999140,3cyclictest11021-21ssh11:11:040
429999140,13cyclictest0-21swapper/008:00:480
429999140,12cyclictest0-21swapper/012:35:480
429999140,12cyclictest0-21swapper/007:30:040
153902140,2sleep015401-21ssh11:15:420
87672130,2sleep00-21swapper/010:35:570
4302991310,2cyclictest8654-21kworker/u8:107:25:043
4302991310,2cyclictest0-21swapper/308:01:033
430299130,12cyclictest0-21swapper/308:30:143
430299130,12cyclictest0-21swapper/307:55:133
430199131,2cyclictest30750-21diskmemload09:52:262
430199131,2cyclictest30750-21diskmemload09:52:252
430199131,2cyclictest301ktimersoftd/209:36:492
430199131,11cyclictest301ktimersoftd/210:02:392
430199131,11cyclictest0-21swapper/209:43:522
430199131,10cyclictest0-21swapper/210:58:382
4301991310,2cyclictest301ktimersoftd/211:51:072
4301991310,2cyclictest301ktimersoftd/209:26:062
4301991310,2cyclictest0-21swapper/211:05:262
4301991310,2cyclictest0-21swapper/209:46:322
4301991310,2cyclictest0-21swapper/209:22:092
4301991310,2cyclictest0-21swapper/209:15:432
4301991310,2cyclictest0-21swapper/208:35:152
4301991310,2cyclictest0-21swapper/208:30:152
430199130,2cyclictest301ktimersoftd/208:25:182
430199130,2cyclictest0-21swapper/208:55:152
430199130,12cyclictest0-21swapper/210:26:012
430199130,12cyclictest0-21swapper/210:20:132
430199130,12cyclictest0-21swapper/209:11:012
430199130,12cyclictest0-21swapper/207:41:042
430199130,11cyclictest301ktimersoftd/209:01:012
4300991310,2cyclictest31061-21kworker/u8:108:20:011
4300991310,2cyclictest25876-21apt-get08:00:481
4300991310,2cyclictest19307-21kworker/u8:212:35:041
4300991310,2cyclictest16860-21kworker/u8:207:26:051
4300991310,2cyclictest13061-21kworker/u8:112:28:041
4300991310,2cyclictest12877-21kworker/u8:209:08:011
4300991310,2cyclictest12302-21kworker/u8:007:42:041
4300991310,2cyclictest0-21swapper/110:51:011
4300991310,2cyclictest0-21swapper/109:55:281
4300991310,2cyclictest0-21swapper/108:30:171
4300991310,2cyclictest0-21swapper/108:25:101
430099130,2cyclictest0-21swapper/111:35:161
430099130,2cyclictest0-21swapper/109:21:221
430099130,12cyclictest0-21swapper/112:08:201
430099130,12cyclictest0-21swapper/110:43:181
430099130,12cyclictest0-21swapper/109:50:221
430099130,12cyclictest0-21swapper/109:50:221
430099130,12cyclictest0-21swapper/108:45:131
430099130,11cyclictest20708-21diskmemload10:30:291
429999138,3cyclictest13677-21missed_timers08:50:150
4299991310,2cyclictest0-21swapper/012:03:570
4299991310,2cyclictest0-21swapper/011:50:000
4299991310,2cyclictest0-21swapper/011:45:110
4299991310,2cyclictest0-21swapper/010:31:390
4299991310,2cyclictest0-21swapper/010:13:060
4299991310,2cyclictest0-21swapper/010:00:490
4299991310,2cyclictest0-21swapper/009:11:030
429999130,3cyclictest25484-21ssh10:53:320
429999130,3cyclictest19977-21ssh10:47:330
429999130,2cyclictest19241-21ssh12:25:480
429999130,2cyclictest12949-21apt-get12:20:110
429999130,2cyclictest0-21swapper/011:34:190
429999130,2cyclictest0-21swapper/007:10:160
429999130,12cyclictest0-21swapper/009:25:130
429999130,11cyclictest0-21swapper/010:41:530
274092130,2sleep00-21swapper/011:28:320
237972130,2sleep10-21swapper/109:12:171
430299129,2cyclictest2236-21kworker/u8:008:48:013
430299129,2cyclictest0-21swapper/308:35:113
430299120,2cyclictest0-21swapper/308:41:043
430299120,2cyclictest0-21swapper/307:34:013
430199129,2cyclictest301ktimersoftd/209:55:122
430199129,2cyclictest0-21swapper/209:06:022
430199129,2cyclictest0-21swapper/208:15:172
430199129,2cyclictest0-21swapper/208:01:102
430199129,2cyclictest0-21swapper/207:55:112
430199129,2cyclictest0-21swapper/207:45:162
430199129,2cyclictest0-21swapper/207:15:152
430199128,2cyclictest12873-21apt-get08:50:092
430199127,3cyclictest11049-21ssh11:45:092
430199127,3cyclictest0-21swapper/208:05:162
430199120,2cyclictest0-21swapper/210:41:052
430199120,11cyclictest20708-21diskmemload11:17:112
430199120,11cyclictest0-21swapper/212:35:472
430199120,11cyclictest0-21swapper/212:00:172
430199120,11cyclictest0-21swapper/211:40:232
430199120,11cyclictest0-21swapper/209:30:352
430199120,10cyclictest0-21swapper/211:11:062
430099129,2cyclictest8654-21kworker/u8:107:34:011
430099129,2cyclictest8618-21ssh10:02:591
430099129,2cyclictest4830-21kworker/u8:208:41:041
430099129,2cyclictest4830-21kworker/u8:208:36:041
430099129,2cyclictest16020-21kworker/u8:211:51:041
430099129,2cyclictest12877-21kworker/u8:209:04:041
430099129,2cyclictest0-21swapper/110:05:151
430099129,2cyclictest0-21swapper/107:15:151
430099120,11cyclictest0-21swapper/107:55:171
430099120,11cyclictest0-21swapper/107:45:041
429999129,2cyclictest20708-21diskmemload11:42:390
429999129,2cyclictest0-21swapper/009:57:440
429999129,2cyclictest0-21swapper/009:20:450
429999129,2cyclictest0-21swapper/009:10:000
429999129,2cyclictest0-21swapper/008:16:020
429999129,2cyclictest0-21swapper/007:45:140
429999122,6cyclictest1104-21ssh11:35:100
429999120,2cyclictest0-21swapper/009:18:490
429999120,11cyclictest0-21swapper/012:08:130
429999120,11cyclictest0-21swapper/010:20:460
429999120,11cyclictest0-21swapper/010:06:010
429999120,11cyclictest0-21swapper/009:50:040
429999120,11cyclictest0-21swapper/009:50:040
429999120,11cyclictest0-21swapper/009:37:090
429999120,11cyclictest0-21swapper/008:35:160
429999120,11cyclictest0-21swapper/007:50:170
430199118,2cyclictest0-21swapper/208:45:162
430199118,2cyclictest0-21swapper/207:20:192
430199111,7cyclictest0-21swapper/207:39:022
430099118,2cyclictest14401-21kworker/u8:207:35:041
430099110,9cyclictest0-21swapper/108:55:111
430099110,9cyclictest0-21swapper/107:20:191
430099110,9cyclictest0-21swapper/107:10:101
429999118,2cyclictest10597-21apt-get07:25:110
429999118,2cyclictest0-21swapper/009:45:420
429999118,2cyclictest0-21swapper/008:55:130
429999110,9cyclictest0-21swapper/008:35:000
429999110,2cyclictest0-21swapper/012:18:360
429999110,10cyclictest0-21swapper/007:43:160
207822110,1sleep10-21swapper/107:50:111
430199103,5cyclictest11043-21grep07:25:142
430199101,6cyclictest0-21swapper/208:21:012
430199100,9cyclictest301ktimersoftd/207:54:262
430199100,9cyclictest0-21swapper/207:13:452
429999107,2cyclictest10656-21copy08:45:020
429999100,2cyclictest0-21swapper/009:03:520
429999100,2cyclictest0-21swapper/008:23:580
429999100,2cyclictest0-21swapper/007:23:530
43019996,2cyclictest301ktimersoftd/207:30:302
43019990,8cyclictest0-21swapper/208:44:012
43009996,2cyclictest0-21swapper/108:50:111
42999994,3cyclictest15527-21needreboot07:35:170
42999991,6cyclictest0-21swapper/008:12:520
42999990,2cyclictest0-21swapper/008:44:380
42999984,2cyclictest3728-21runrttasks08:25:030
42999983,3cyclictest23943-21cut07:55:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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