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2026-09-21 - 03:38

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 Mon Sep 21, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23355210998,6sleep30-21swapper/319:06:273
23495210796,6sleep00-21swapper/019:08:170
23602210486,13sleep20-21swapper/219:09:392
2356429977,17sleep10-21swapper/119:09:101
229892770,0sleep00-21swapper/021:25:270
301322740,0sleep20-21swapper/221:33:592
322412720,0sleep00-21swapper/023:53:420
178892720,0sleep10-21swapper/122:29:501
272372710,0sleep00-21swapper/000:22:200
9962460,1sleep2995-21ssh00:29:522
23658993616,18cyclictest0-21swapper/121:10:121
23659992623,2cyclictest3048-21kworker/u8:222:48:042
23659992623,2cyclictest19108-21kworker/u8:023:49:042
2365799260,19cyclictest0-21swapper/021:30:130
23659992522,2cyclictest25926-21kworker/u8:200:05:032
23659992522,2cyclictest24555-21kworker/u8:100:21:052
23659992522,2cyclictest19108-21kworker/u8:023:22:042
23659992522,2cyclictest12983-21kworker/u8:222:39:052
23660992421,2cyclictest21162-21kworker/u8:122:43:053
2366099240,18cyclictest0-21swapper/321:27:043
23659992421,2cyclictest3358-21kworker/u8:221:20:052
23659992421,2cyclictest13765-21kworker/u8:223:10:042
23659992421,2cyclictest12983-21kworker/u8:221:58:042
2365799240,2cyclictest0-21swapper/020:15:000
23660992320,2cyclictest31006-21kworker/u8:022:13:043
23660992320,2cyclictest3048-21kworker/u8:222:49:053
23660992320,2cyclictest15020-21kworker/u8:022:31:043
23660992318,3cyclictest3720-21kworker/u8:120:06:043
23660992318,3cyclictest19108-21kworker/u8:023:16:043
23659992320,2cyclictest3358-21kworker/u8:221:18:042
23659992320,2cyclictest26392-21kworker/u8:123:19:032
23659992320,2cyclictest21814-21kworker/u8:121:48:052
23659992320,2cyclictest21162-21kworker/u8:122:34:042
23659992320,2cyclictest20286-21kworker/u8:022:02:042
23659992320,2cyclictest10411-21kworker/u8:000:19:052
23660992219,2cyclictest31919-21kworker/u8:200:29:053
23660992219,2cyclictest20286-21kworker/u8:022:03:043
23660992219,2cyclictest19108-21kworker/u8:023:38:013
23660992219,2cyclictest1686-21kworker/u8:221:38:043
23660992219,2cyclictest13765-21kworker/u8:223:02:033
2366099220,18cyclictest0-21swapper/323:12:043
2366099220,18cyclictest0-21swapper/300:35:053
23659992219,2cyclictest7485-21kworker/u8:021:28:042
23659992219,2cyclictest31006-21kworker/u8:022:12:042
23659992219,2cyclictest25632-21kworker/u8:122:06:042
23659992219,2cyclictest25632-21kworker/u8:122:06:032
23659992219,2cyclictest23398-21kworker/u8:219:13:042
23659992219,2cyclictest21814-21kworker/u8:121:42:042
23659992219,2cyclictest19108-21kworker/u8:023:41:042
23659992219,2cyclictest19108-21kworker/u8:023:31:052
23659992219,2cyclictest15020-21kworker/u8:022:28:032
23659992219,2cyclictest12983-21kworker/u8:222:22:012
23659992219,2cyclictest10411-21kworker/u8:000:39:052
2365899221,19cyclictest0-21swapper/123:10:121
2365799221,19cyclictest0-21swapper/020:40:120
23660992118,2cyclictest31006-21kworker/u8:022:19:043
23660992118,2cyclictest21814-21kworker/u8:121:49:043
23660992118,2cyclictest21814-21kworker/u8:121:43:033
23660992118,2cyclictest21814-21kworker/u8:121:30:043
23660992118,2cyclictest19108-21kworker/u8:023:32:043
23660992118,2cyclictest16083-21kworker/u8:123:59:053
23660992118,2cyclictest13765-21kworker/u8:223:08:043
23660992118,2cyclictest10411-21kworker/u8:000:30:063
23659992118,2cyclictest25926-21kworker/u8:200:03:052
23659992118,2cyclictest16083-21kworker/u8:123:58:012
2365799210,2cyclictest0-21swapper/023:35:140
23660992017,2cyclictest25926-21kworker/u8:223:53:033
23660992017,2cyclictest21162-21kworker/u8:122:37:033
23660992017,2cyclictest19108-21kworker/u8:023:23:043
23660992017,2cyclictest12983-21kworker/u8:221:54:043
2366099200,15cyclictest0-21swapper/322:08:043
2366099200,15cyclictest0-21swapper/322:08:033
23659992017,2cyclictest26392-21kworker/u8:123:29:052
23659992017,2cyclictest25926-21kworker/u8:223:50:012
23659992017,2cyclictest21162-21kworker/u8:122:44:042
23659992017,2cyclictest15803-21kworker/u8:020:27:042
23657992015,3cyclictest2850-21rsyslogd20:25:130
2365799201,2cyclictest0-21swapper/023:40:120
23660991916,2cyclictest25935-21kworker/u8:220:36:043
23660991916,2cyclictest25926-21kworker/u8:200:02:043
23660991916,2cyclictest23398-21kworker/u8:219:11:043
23660991915,3cyclictest10411-21kworker/u8:000:20:043
2366099190,2cyclictest7226-21diskmemload23:28:033
2366099190,18cyclictest0-21swapper/321:10:133
2366099190,17cyclictest0-21swapper/300:15:133
23659991916,2cyclictest3720-21kworker/u8:120:08:012
23659991916,2cyclictest31919-21kworker/u8:200:32:062
23659991916,2cyclictest21814-21kworker/u8:121:50:042
2365999190,2cyclictest13468-21sendmail-mta23:37:052
2365799190,2cyclictest0-21swapper/020:15:000
23660991815,2cyclictest3048-21kworker/u8:222:50:043
23660991815,2cyclictest16083-21kworker/u8:100:12:043
23660991815,2cyclictest16083-21kworker/u8:100:06:063
2366099180,2cyclictest0-21swapper/323:43:043
23659991815,2cyclictest8813-21kworker/u8:019:56:052
23659991815,2cyclictest31006-21kworker/u8:022:15:042
23659991815,2cyclictest25935-21kworker/u8:220:44:032
23659991815,2cyclictest15803-21kworker/u8:020:55:042
23658991814,2cyclictest274-21jbd2/sda1-822:14:171
148792180,0sleep10-21swapper/121:16:551
23660991714,2cyclictest25935-21kworker/u8:220:42:043
23660991714,2cyclictest19108-21kworker/u8:023:48:043
23660991714,2cyclictest15803-21kworker/u8:020:56:053
23660991714,2cyclictest12613-21kworker/u8:019:33:043
23660991714,2cyclictest12613-21kworker/u8:019:27:043
23660991714,2cyclictest11179-21kworker/u8:220:00:013
23660991713,3cyclictest19259-21kworker/u8:120:31:043
2366099170,2cyclictest0-21swapper/321:24:043
23659991714,2cyclictest7485-21kworker/u8:021:14:042
23659991714,2cyclictest25935-21kworker/u8:220:38:042
23659991714,2cyclictest23398-21kworker/u8:219:46:042
23659991714,2cyclictest23398-21kworker/u8:219:30:042
23659991714,2cyclictest23398-21kworker/u8:219:25:032
23659991714,2cyclictest23398-21kworker/u8:219:23:042
23659991714,2cyclictest19259-21kworker/u8:120:34:042
23659991714,2cyclictest17786-21kworker/u8:200:14:042
23659991714,2cyclictest15803-21kworker/u8:020:54:042
23659991714,2cyclictest15803-21kworker/u8:020:15:032
23659991714,2cyclictest15803-21kworker/u8:020:13:042
2365799172,13cyclictest0-21swapper/023:59:590
23657991713,2cyclictest10702-21fschecks_time23:30:130
23660991613,2cyclictest8813-21kworker/u8:019:54:043
23660991612,2cyclictest15020-21kworker/u8:022:26:043
23659991613,2cyclictest23398-21kworker/u8:219:50:032
2365899161,3cyclictest0-21swapper/100:15:211
23658991611,3cyclictest0-21swapper/120:25:171
2365799161,3cyclictest0-21swapper/022:56:410
23657991612,2cyclictest7226-21diskmemload22:45:150
23657991612,2cyclictest0-21swapper/021:40:000
2365799160,4cyclictest24251-21fschecks_time23:10:150
23660991512,2cyclictest8813-21kworker/u8:019:55:043
23660991512,2cyclictest7485-21kworker/u8:021:15:033
23660991512,2cyclictest23398-21kworker/u8:219:24:043
23660991512,2cyclictest23398-21kworker/u8:219:18:013
23660991512,2cyclictest12613-21kworker/u8:019:36:043
2366099150,2cyclictest0-21swapper/322:59:053
23659991512,2cyclictest8316-21kworker/u8:022:55:042
23659991512,2cyclictest23398-21kworker/u8:219:16:042
23659991512,2cyclictest12613-21kworker/u8:019:35:042
2365999150,2cyclictest0-21swapper/223:01:052
2365899151,2cyclictest0-21swapper/122:02:411
2365899151,12cyclictest0-21swapper/122:48:511
23658991510,3cyclictest16807-21apt-get21:20:061
23658991510,3cyclictest0-21swapper/123:01:051
23658991510,3cyclictest0-21swapper/121:38:221
2365899150,3cyclictest4326-21awk21:00:161
2365799152,7cyclictest0-21swapper/019:30:000
2365799152,2cyclictest101ktimersoftd/023:05:110
2365799151,12cyclictest18358-21sendmail-mta00:14:190
23657991511,2cyclictest0-21swapper/000:31:020
23657991511,2cyclictest0-21swapper/000:05:040
23657991510,3cyclictest17178-21ssh21:20:110
23657991510,3cyclictest0-21swapper/022:08:230
23657991510,3cyclictest0-21swapper/022:08:230
2365799150,3cyclictest0-21swapper/020:01:030
23660991411,2cyclictest3720-21kworker/u8:119:41:043
23660991411,2cyclictest19259-21kworker/u8:120:17:043
2365999141,2cyclictest0-21swapper/222:52:452
23659991411,2cyclictest3720-21kworker/u8:120:03:042
23659991411,2cyclictest29907-21kworker/u8:121:09:042
2365899149,3cyclictest0-21swapper/122:15:051
23658991411,2cyclictest0-21swapper/123:45:171
23658991411,2cyclictest0-21swapper/121:26:061
23658991411,2cyclictest0-21swapper/100:20:101
23658991410,2cyclictest4541-21ntpdc19:40:181
23658991410,2cyclictest3728-21runrttasks21:30:151
23658991410,2cyclictest0-21swapper/100:14:471
2365899140,2cyclictest0-21swapper/100:02:231
2365899140,12cyclictest5252-21ssh23:59:491
2365899140,12cyclictest0-21swapper/123:15:011
2365899140,12cyclictest0-21swapper/121:47:201
2365899140,12cyclictest0-21swapper/120:13:201
2365899140,12cyclictest0-21swapper/100:25:111
2365899140,12cyclictest0-21swapper/100:07:451
2365799149,3cyclictest0-21swapper/022:04:250
2365799149,3cyclictest0-21swapper/000:15:260
2365799144,8cyclictest29860-21if_eth000:25:140
2365799142,6cyclictest0-21swapper/019:35:000
2365799142,6cyclictest0-21swapper/000:00:000
2365799141,2cyclictest0-21swapper/021:13:520
2365799141,12cyclictest101ktimersoftd/022:31:060
23657991411,2cyclictest0-21swapper/023:45:510
23657991411,2cyclictest0-21swapper/021:53:580
23657991411,2cyclictest0-21swapper/021:00:090
23657991410,2cyclictest0-21swapper/022:43:150
23660991310,2cyclictest15803-21kworker/u8:020:11:043
2366099130,2cyclictest0-21swapper/321:07:043
2366099130,12cyclictest0-21swapper/320:45:203
23659991310,2cyclictest29907-21kworker/u8:121:02:042
2365899138,3cyclictest0-21swapper/120:00:131
23658991310,2cyclictest0-21swapper/123:44:591
23658991310,2cyclictest0-21swapper/123:20:391
23658991310,2cyclictest0-21swapper/120:05:301
2365899130,2cyclictest9379-21copy22:55:021
2365899130,2cyclictest7226-21diskmemload22:06:451
2365899130,2cyclictest7226-21diskmemload22:06:451
2365899130,2cyclictest0-21swapper/122:51:581
2365899130,2cyclictest0-21swapper/122:34:551
2365899130,2cyclictest0-21swapper/121:56:251
2365899130,12cyclictest7226-21diskmemload21:42:321
2365899130,12cyclictest0-21swapper/123:50:251
2365899130,12cyclictest0-21swapper/123:25:121
2365899130,12cyclictest0-21swapper/123:06:071
2365899130,12cyclictest0-21swapper/121:51:271
2365899130,12cyclictest0-21swapper/120:30:161
2365899130,12cyclictest0-21swapper/119:15:181
2365799132,6cyclictest0-21swapper/020:55:000
2365799132,6cyclictest0-21swapper/020:50:000
2365799131,2cyclictest101ktimersoftd/000:35:070
2365799131,2cyclictest0-21swapper/021:55:520
2365799131,11cyclictest101ktimersoftd/019:50:200
2365799131,10cyclictest0-21swapper/022:14:380
23657991310,2cyclictest101ktimersoftd/021:49:510
23657991310,2cyclictest0-21swapper/023:25:030
23657991310,2cyclictest0-21swapper/022:26:180
23657991310,2cyclictest0-21swapper/022:17:170
23657991310,2cyclictest0-21swapper/020:31:020
2365799130,12cyclictest0-21swapper/023:24:210
2365799130,12cyclictest0-21swapper/020:20:140
2365799130,11cyclictest7226-21diskmemload23:15:430
2365799130,11cyclictest0-21swapper/021:40:170
2366099129,2cyclictest0-21swapper/322:23:283
2366099129,2cyclictest0-21swapper/321:03:593
2366099120,11cyclictest0-21swapper/321:55:393
2365999129,2cyclictest0-21swapper/223:08:422
2365999129,2cyclictest0-21swapper/221:35:452
2365999129,2cyclictest0-21swapper/219:40:122
2365899129,2cyclictest0-21swapper/122:35:121
2365899129,2cyclictest0-21swapper/120:23:241
2365899128,2cyclictest23872-21munin-node1
2365899127,3cyclictest27981-21tr22:40:121
2365899121,9cyclictest0-21swapper/119:50:171
2365899121,3cyclictest6224-21munin-node1
2365899121,3cyclictest29911-21munin-node1
2365899120,2cyclictest0-21swapper/123:35:101
2365899120,2cyclictest0-21swapper/122:21:111
2365899120,11cyclictest0-21swapper/120:50:001
2365899120,11cyclictest0-21swapper/120:45:161
2365899120,11cyclictest0-21swapper/100:30:091
2365899120,10cyclictest7226-21diskmemload23:30:091
2365799129,2cyclictest101ktimersoftd/022:22:360
2365799129,2cyclictest0-21swapper/023:00:000
2365799129,2cyclictest0-21swapper/019:55:510
2365799129,2cyclictest0-21swapper/019:20:180
2365799123,2cyclictest0-21swapper/020:05:150
2365799122,8cyclictest25949-21cut19:15:110
2365799121,9cyclictest1341-21grep19:35:000
2365799120,11cyclictest0-21swapper/022:50:070
2365799120,11cyclictest0-21swapper/022:35:100
2365799120,11cyclictest0-21swapper/021:16:590
2365799120,11cyclictest0-21swapper/021:05:130
2365799120,11cyclictest0-21swapper/020:36:020
2365799120,11cyclictest0-21swapper/019:46:040
2365799120,11cyclictest0-21swapper/019:10:160
2366099118,2cyclictest15803-21kworker/u8:020:28:033
2366099110,7cyclictest0-21swapper/320:52:003
2365999112,6cyclictest0-21swapper/220:47:592
2365999112,6cyclictest0-21swapper/220:23:022
2365899118,2cyclictest0-21swapper/120:40:141
2365899116,3cyclictest0-21swapper/119:55:131
2365899114,5cyclictest0-21swapper/119:30:421
2365899111,8cyclictest17772-21munin-node1
2365899111,8cyclictest0-21swapper/119:35:171
2365899111,6cyclictest0-21swapper/120:56:591
2365899110,9cyclictest0-21swapper/120:35:131
2365899110,3cyclictest0-21swapper/119:20:171
2365799111,8cyclictest0-21swapper/020:55:150
2366099100,9cyclictest0-21swapper/320:23:583
2366099100,2cyclictest0-21swapper/319:45:123
2365899105,3cyclictest5435-21munin-node1
2365899100,9cyclictest0-21swapper/119:45:061
2365799100,6cyclictest0-21swapper/019:41:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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