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2026-04-08 - 01:54

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 Wed Apr 08, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
295412115105,6sleep10-21swapper/119:07:481
296972114103,6sleep30-21swapper/319:09:503
29468210685,16sleep00-21swapper/019:06:510
29525210486,12sleep20-21swapper/219:07:372
320222800,0sleep00-21swapper/019:15:120
126452780,0sleep10-21swapper/122:49:191
112612730,0sleep10-21swapper/122:14:241
240342670,0sleep00-21swapper/022:26:460
16782670,1sleep30-21swapper/320:40:123
58972290,1sleep2301ktimersoftd/222:08:322
191912230,1sleep10-21swapper/120:01:041
2973799210,19cyclictest0-21swapper/021:30:110
39322200,1sleep00-21swapper/022:40:140
2973999183,2cyclictest0-21swapper/221:26:022
2973999182,14cyclictest0-21swapper/221:49:042
29739991814,2cyclictest10387-21kworker/u8:222:15:052
29738991815,2cyclictest13500-21kworker/u8:120:22:041
2973799180,13cyclictest0-21swapper/020:36:040
29740991712,3cyclictest23601-21tune2fs23:00:143
29739991714,2cyclictest27370-21kworker/u8:122:12:052
29739991714,2cyclictest22104-21kworker/u8:119:35:042
29739991714,2cyclictest17972-21kworker/u8:220:06:042
2973899172,2cyclictest0-21swapper/121:26:021
29738991714,2cyclictest29367-21kworker/u8:100:24:041
29738991714,2cyclictest22104-21kworker/u8:119:11:041
29738991714,2cyclictest12443-21kworker/u8:100:32:051
2973799170,11cyclictest0-21swapper/023:16:040
29740991613,2cyclictest6760-21kworker/u8:023:55:043
29740991613,2cyclictest19838-21kworker/u8:000:10:053
29740991613,2cyclictest19838-21kworker/u8:000:10:043
2974099160,14cyclictest0-21swapper/323:35:043
29739991613,2cyclictest7173-21kworker/u8:121:44:012
29739991613,2cyclictest7173-21kworker/u8:121:38:062
29739991613,2cyclictest30224-21kworker/u8:122:34:042
29739991613,2cyclictest27917-21kworker/u8:023:18:052
29739991613,2cyclictest21734-21kworker/u8:223:12:042
2973999161,2cyclictest0-21swapper/223:04:042
2973999160,14cyclictest0-21swapper/222:00:112
29738991613,2cyclictest13801-21kworker/u8:021:48:041
29738991613,2cyclictest13801-21kworker/u8:021:43:041
29740991512,2cyclictest9783-21kworker/u8:019:51:053
29740991512,2cyclictest28449-21kworker/u8:221:34:043
29740991512,2cyclictest21938-21kworker/u8:121:18:053
29740991512,2cyclictest21938-21kworker/u8:121:18:043
29740991512,2cyclictest10131-21kworker/u8:322:52:053
29740991512,2cyclictest0-21swapper/300:24:143
2974099150,2cyclictest13553-21diskmemload22:11:443
2974099150,13cyclictest0-21swapper/321:53:143
29739991512,2cyclictest9849-21kworker/u8:122:50:072
29739991512,2cyclictest9849-21kworker/u8:122:46:052
29739991512,2cyclictest7239-21kworker/u8:000:36:042
29739991512,2cyclictest3808-21kworker/u8:123:24:012
29739991512,2cyclictest29367-21kworker/u8:123:45:042
29739991512,2cyclictest29367-21kworker/u8:100:22:012
29739991512,2cyclictest22104-21kworker/u8:119:13:042
29739991512,2cyclictest17972-21kworker/u8:220:03:042
29739991512,2cyclictest1587-21kworker/u8:021:20:042
29739991512,2cyclictest1587-21kworker/u8:020:59:042
29739991512,2cyclictest13776-21kworker/u8:221:12:052
29739991512,2cyclictest13500-21kworker/u8:120:37:042
29739991512,2cyclictest13500-21kworker/u8:120:23:042
29739991512,2cyclictest13500-21kworker/u8:120:12:042
29739991512,2cyclictest13500-21kworker/u8:119:57:042
2973999150,2cyclictest0-21swapper/223:32:012
2973999150,10cyclictest0-21swapper/223:07:042
2973999150,10cyclictest0-21swapper/221:55:042
2973999150,10cyclictest0-21swapper/219:40:042
29738991512,2cyclictest3808-21kworker/u8:123:31:051
29738991512,2cyclictest3727-21kworker/u8:222:43:051
29738991512,2cyclictest31559-21kworker/u8:220:34:021
29738991512,2cyclictest30051-21kworker/u8:219:21:041
29738991512,2cyclictest27496-21kworker/u8:020:29:041
29738991512,2cyclictest22104-21kworker/u8:119:32:011
29738991512,2cyclictest19838-21kworker/u8:000:06:041
29738991512,2cyclictest17972-21kworker/u8:220:10:041
29738991512,2cyclictest1587-21kworker/u8:020:52:041
29738991512,2cyclictest0-21swapper/122:10:001
2973899151,12cyclictest13553-21diskmemload21:36:021
29738991510,4cyclictest30224-21kworker/u8:122:36:041
29740991411,2cyclictest3808-21kworker/u8:123:32:053
29740991411,2cyclictest27496-21kworker/u8:020:30:043
29740991411,2cyclictest27496-21kworker/u8:020:28:053
29740991411,2cyclictest21640-21kworker/u8:221:56:043
29740991411,2cyclictest13801-21kworker/u8:021:45:043
29740991411,2cyclictest13500-21kworker/u8:120:00:053
29740991411,2cyclictest0-21swapper/323:50:113
29740991411,2cyclictest0-21swapper/323:05:243
29740991411,2cyclictest0-21swapper/322:48:463
29740991411,2cyclictest0-21swapper/322:27:253
29740991411,2cyclictest0-21swapper/322:24:543
29740991411,2cyclictest0-21swapper/322:06:243
29740991411,2cyclictest0-21swapper/321:40:043
29740991411,2cyclictest0-21swapper/300:07:153
2974099140,2cyclictest0-21swapper/323:25:143
2974099140,2cyclictest0-21swapper/323:20:143
2974099140,2cyclictest0-21swapper/322:40:143
2974099140,2cyclictest0-21swapper/321:26:013
2974099140,2cyclictest0-21swapper/300:29:043
2974099140,13cyclictest0-21swapper/320:10:043
2974099140,12cyclictest1546-21ssh22:37:173
2974099140,12cyclictest0-21swapper/322:56:253
2974099140,12cyclictest0-21swapper/322:01:593
2974099140,12cyclictest0-21swapper/321:36:503
29739991411,2cyclictest7239-21kworker/u8:000:31:042
29739991411,2cyclictest30051-21kworker/u8:219:45:042
29739991411,2cyclictest30051-21kworker/u8:219:23:042
29739991411,2cyclictest22104-21kworker/u8:119:34:042
29739991411,2cyclictest13801-21kworker/u8:022:21:042
29739991411,2cyclictest13801-21kworker/u8:021:50:062
29739991411,2cyclictest13500-21kworker/u8:121:07:052
29739991411,2cyclictest13500-21kworker/u8:121:01:042
29739991411,2cyclictest13500-21kworker/u8:120:15:052
29739991411,2cyclictest0-21swapper/200:29:122
2973999140,9cyclictest0-21swapper/220:48:042
2973999140,9cyclictest0-21swapper/219:25:052
2973999140,12cyclictest24002-21rm22:26:442
2973999140,12cyclictest15500-21awk23:25:172
2973999140,12cyclictest0-21swapper/220:25:122
2973999140,12cyclictest0-21swapper/200:08:062
2973999140,12cyclictest0-21swapper/200:01:032
2973899141,3cyclictest13553-21diskmemload23:09:061
29738991411,2cyclictest9783-21kworker/u8:019:54:051
29738991411,2cyclictest3808-21kworker/u8:123:22:051
29738991411,2cyclictest30051-21kworker/u8:219:48:041
29738991411,2cyclictest30051-21kworker/u8:219:39:041
29738991411,2cyclictest30051-21kworker/u8:219:28:051
29738991411,2cyclictest30051-21kworker/u8:219:17:051
29738991411,2cyclictest27917-21kworker/u8:023:28:041
29738991411,2cyclictest27370-21kworker/u8:122:00:041
29738991411,2cyclictest24342-21kworker/u8:023:38:041
29738991411,2cyclictest21734-21kworker/u8:223:11:041
29738991411,2cyclictest17972-21kworker/u8:220:05:041
29738991411,2cyclictest16398-21kworker/u8:022:56:051
29738991411,2cyclictest15864-21kworker/u8:122:20:041
29738991411,2cyclictest14372-21kworker/u8:200:02:041
29738991411,2cyclictest13801-21kworker/u8:021:53:051
29738991411,2cyclictest13500-21kworker/u8:121:08:051
29738991411,2cyclictest13500-21kworker/u8:121:04:011
29738991411,2cyclictest13500-21kworker/u8:120:41:051
29738991411,2cyclictest0-21swapper/120:46:001
2973899140,3cyclictest0-21swapper/121:31:571
2973899140,2cyclictest13553-21diskmemload22:15:121
2973899140,2cyclictest0-21swapper/121:10:301
2973899140,2cyclictest0-21swapper/100:10:101
2973899140,2cyclictest0-21swapper/100:10:101
2973899140,13cyclictest0-21swapper/120:35:001
2973899140,12cyclictest0-21swapper/123:40:241
29737991410,2cyclictest0-21swapper/023:10:010
29737991410,2cyclictest0-21swapper/000:29:050
2973799140,2cyclictest14009-21ssh23:57:020
2973799140,13cyclictest0-21swapper/021:39:310
2973799140,13cyclictest0-21swapper/000:10:010
2973799140,13cyclictest0-21swapper/000:10:010
2973799140,12cyclictest0-21swapper/021:25:070
2973799140,12cyclictest0-21swapper/019:15:000
2973799140,12cyclictest0-21swapper/000:00:160
20362141,9sleep30-21swapper/323:45:143
126802140,1sleep00-21swapper/021:41:180
29740991310,2cyclictest9783-21kworker/u8:019:55:043
29740991310,2cyclictest3808-21kworker/u8:123:17:053
29740991310,2cyclictest30051-21kworker/u8:219:16:053
29740991310,2cyclictest21938-21kworker/u8:121:22:053
29740991310,2cyclictest0-21swapper/323:40:393
29740991310,2cyclictest0-21swapper/322:31:493
29740991310,2cyclictest0-21swapper/300:35:483
2974099130,2cyclictest0-21swapper/323:10:163
2974099130,2cyclictest0-21swapper/322:19:363
2974099130,2cyclictest0-21swapper/300:31:243
2974099130,2cyclictest0-21swapper/300:15:103
2974099130,12cyclictest0-21swapper/320:05:153
2974099130,12cyclictest0-21swapper/319:40:153
2974099130,12cyclictest0-21swapper/300:00:453
2974099130,11cyclictest0-21swapper/321:11:103
2973999131,10cyclictest25814-21ssh00:10:052
2973999131,10cyclictest25814-21ssh00:10:052
29739991310,2cyclictest31559-21kworker/u8:220:33:042
29739991310,2cyclictest28449-21kworker/u8:221:30:052
2973999130,9cyclictest0-21swapper/222:44:042
2973999130,2cyclictest0-21swapper/223:53:042
2973999130,2cyclictest0-21swapper/223:40:152
2973999130,2cyclictest0-21swapper/223:37:042
2973999130,2cyclictest0-21swapper/200:16:312
2973899131,3cyclictest0-21swapper/121:55:161
2973899131,10cyclictest5197-21apt-get23:15:111
29738991310,2cyclictest26007-21kworker/u8:200:19:051
29738991310,2cyclictest1587-21kworker/u8:020:55:041
29738991310,2cyclictest13776-21kworker/u8:221:16:041
29738991310,2cyclictest13776-21kworker/u8:221:16:041
29738991310,2cyclictest13553-21diskmemload23:01:031
29738991310,2cyclictest0-21swapper/123:48:501
29738991310,2cyclictest0-21swapper/122:34:111
29738991310,2cyclictest0-21swapper/121:20:121
2973899130,2cyclictest0-21swapper/123:55:051
2973899130,2cyclictest0-21swapper/122:25:181
2973899130,2cyclictest0-21swapper/120:15:411
2973899130,12cyclictest0-21swapper/123:52:381
2973899130,12cyclictest0-21swapper/100:35:171
29737991310,2cyclictest0-21swapper/023:51:210
29737991310,2cyclictest0-21swapper/023:49:230
29737991310,2cyclictest0-21swapper/023:25:430
29737991310,2cyclictest0-21swapper/022:31:130
29737991310,2cyclictest0-21swapper/022:23:320
29737991310,2cyclictest0-21swapper/022:14:430
29737991310,2cyclictest0-21swapper/022:05:020
29737991310,2cyclictest0-21swapper/021:11:510
29737991310,2cyclictest0-21swapper/000:30:210
2973799130,2cyclictest0-21swapper/023:21:210
2973799130,2cyclictest0-21swapper/021:01:020
2973799130,2cyclictest0-21swapper/020:55:140
2973799130,2cyclictest0-21swapper/020:05:160
2973799130,2cyclictest0-21swapper/019:55:120
2973799130,12cyclictest22609-21ssh23:32:420
2973799130,12cyclictest0-21swapper/022:16:520
2973799130,12cyclictest0-21swapper/021:55:110
2973799130,12cyclictest0-21swapper/021:49:110
2973799130,12cyclictest0-21swapper/000:21:010
2973799130,12cyclictest0-21swapper/000:19:120
2973799130,11cyclictest24359-21ssh23:35:050
222122130,2sleep00-21swapper/021:51:080
2974099129,2cyclictest17972-21kworker/u8:220:18:043
2974099129,2cyclictest1587-21kworker/u8:020:50:053
2974099129,2cyclictest1587-21kworker/u8:020:49:043
2974099129,2cyclictest13500-21kworker/u8:121:09:043
2974099120,2cyclictest0-21swapper/320:22:043
2974099120,11cyclictest0-21swapper/321:00:283
2974099120,11cyclictest0-21swapper/319:20:193
2973999129,2cyclictest22104-21kworker/u8:119:15:042
2973999121,9cyclictest19336-21ssh22:55:232
2973999120,2cyclictest3728-21runrttasks23:55:042
2973999120,2cyclictest0-21swapper/222:38:212
2973999120,2cyclictest0-21swapper/221:18:042
2973999120,2cyclictest0-21swapper/221:18:042
2973999120,2cyclictest0-21swapper/220:40:122
2973899129,2cyclictest0-21swapper/100:25:061
2973899120,3cyclictest0-21swapper/119:41:031
2973899120,11cyclictest0-21swapper/122:51:101
2973799129,2cyclictest29536-21ssh23:06:040
2973799129,2cyclictest0-21swapper/023:02:310
2973799129,2cyclictest0-21swapper/022:55:010
2973799129,2cyclictest0-21swapper/022:45:230
2973799129,2cyclictest0-21swapper/022:35:530
2973799129,2cyclictest0-21swapper/020:15:190
2973799129,2cyclictest0-21swapper/019:50:110
2973799129,2cyclictest0-21swapper/000:38:490
2973799129,2cyclictest0-21swapper/000:05:480
2973799120,2cyclictest0-21swapper/022:53:030
2973799120,2cyclictest0-21swapper/022:02:530
2973799120,2cyclictest0-21swapper/021:20:510
2973799120,2cyclictest0-21swapper/020:45:130
2973799120,2cyclictest0-21swapper/020:26:020
2973799120,2cyclictest0-21swapper/020:20:170
2973799120,2cyclictest0-21swapper/019:40:510
2973799120,11cyclictest0-21swapper/023:43:280
2973799120,11cyclictest0-21swapper/020:50:130
2974099118,2cyclictest30051-21kworker/u8:219:47:043
2974099118,2cyclictest30051-21kworker/u8:219:36:053
2974099118,2cyclictest22104-21kworker/u8:119:33:043
2974099118,2cyclictest14355-21kworker/u8:019:10:053
2973999111,8cyclictest14287-21cut19:50:142
2973799118,2cyclictest0-21swapper/021:17:000
2973799118,2cyclictest0-21swapper/021:16:590
2973799118,2cyclictest0-21swapper/020:01:040
2973799112,6cyclictest0-21swapper/019:20:360
2973799111,9cyclictest0-21swapper/019:34:420
2973799110,10cyclictest0-21swapper/020:33:430
2973799110,10cyclictest0-21swapper/020:10:120
2973899101,7cyclictest0-21swapper/119:56:011
2973799101,7cyclictest0-21swapper/019:35:390
297399991,6cyclictest5948-21tr20:50:132
297379996,2cyclictest12914-21sensors21:06:010
297379996,2cyclictest0-21swapper/019:45:170
297379992,5cyclictest0-21swapper/020:40:540
297409985,2cyclictest37-21rcuc/320:55:163
297409984,2cyclictest4361-21iostat19:25:173
297409983,3cyclictest32495-21fschecks_time20:35:143
297379983,3cyclictest4405-21cat19:25:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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