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2026-04-21 - 06:56

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #3

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 rackcslot3s.osadl.org (updated Tue Apr 21, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302792320314,4sleep20-21swapper/219:07:222
284292318304,11sleep00-21swapper/019:05:100
303302315307,5sleep30-21swapper/319:08:033
301892315309,4sleep10-21swapper/119:06:121
30751993140,313cyclictest12629-21kworker/u16:2+efi_rts_wq21:20:123
30751993100,309cyclictest12042-21kworker/u16:0+efi_rts_wq19:45:133
30748993100,309cyclictest6315-21kworker/u16:1+efi_rts_wq22:00:130
30751993080,307cyclictest31763-21kworker/u16:3+efi_rts_wq22:45:313
30750993060,305cyclictest21259-21kworker/u16:1+efi_rts_wq00:35:542
30750993060,304cyclictest21259-21kworker/u16:1+efi_rts_wq23:40:132
30748993060,305cyclictest6315-21kworker/u16:1+efi_rts_wq21:30:140
30751993050,304cyclictest10010-21kworker/u16:1+efi_rts_wq23:00:133
30748993050,304cyclictest6073-21kworker/u16:3+efi_rts_wq20:15:130
30751993040,303cyclictest12629-21kworker/u16:2+efi_rts_wq21:35:123
30751993030,302cyclictest6073-21kworker/u16:3+efi_rts_wq19:55:143
30750993030,302cyclictest12042-21kworker/u16:0+efi_rts_wq19:30:122
30749993030,302cyclictest6073-21kworker/u16:3+efi_rts_wq20:25:121
30749993030,302cyclictest31763-21kworker/u16:3+efi_rts_wq23:10:361
30749993020,301cyclictest21259-21kworker/u16:1+efi_rts_wq00:10:471
30750993010,300cyclictest21259-21kworker/u16:1+efi_rts_wq00:00:452
30750993010,300cyclictest12042-21kworker/u16:0+efi_rts_wq19:15:132
30749993010,300cyclictest12042-21kworker/u16:0+efi_rts_wq19:15:121
30750992990,298cyclictest15526-21kworker/u16:2+efi_rts_wq00:20:132
30751992980,297cyclictest6315-21kworker/u16:1+efi_rts_wq22:30:123
30751992980,297cyclictest6073-21kworker/u16:3+efi_rts_wq19:40:143
30751992980,297cyclictest15526-21kworker/u16:2+efi_rts_wq23:15:133
30751992980,297cyclictest12042-21kworker/u16:0+efi_rts_wq19:15:023
30749992980,296cyclictest1101-21kworker/u16:4+efi_rts_wq22:40:291
30748992980,297cyclictest6073-21kworker/u16:3+efi_rts_wq19:35:120
30751992970,296cyclictest12042-21kworker/u16:0+efi_rts_wq19:14:533
30749992970,296cyclictest15526-21kworker/u16:2+efi_rts_wq23:20:121
30748992970,296cyclictest21259-21kworker/u16:1+efi_rts_wq00:30:120
30750992950,294cyclictest6073-21kworker/u16:3+efi_rts_wq19:10:132
30749992930,292cyclictest6073-21kworker/u16:3+efi_rts_wq20:00:141
30751992920,291cyclictest12629-21kworker/u16:2+efi_rts_wq21:45:123
30750992920,291cyclictest6315-21kworker/u16:1+efi_rts_wq22:25:142
30749992910,290cyclictest6315-21kworker/u16:1+efi_rts_wq21:40:141
30749992910,290cyclictest6315-21kworker/u16:1+efi_rts_wq20:50:121
30748992910,290cyclictest6315-21kworker/u16:1+efi_rts_wq22:35:150
30748992910,290cyclictest6315-21kworker/u16:1+efi_rts_wq22:35:150
30748992880,287cyclictest6073-21kworker/u16:3+efi_rts_wq19:20:120
30751992870,286cyclictest12629-21kworker/u16:2+efi_rts_wq22:05:253
30750992870,286cyclictest12042-21kworker/u16:0+efi_rts_wq20:40:122
30749992870,286cyclictest12629-21kworker/u16:2+efi_rts_wq20:55:121
30748992860,285cyclictest21259-21kworker/u16:1+efi_rts_wq23:45:110
30750992850,284cyclictest12042-21kworker/u16:0+efi_rts_wq20:45:122
30749992850,284cyclictest12042-21kworker/u16:0+efi_rts_wq20:10:141
30749992820,281cyclictest1101-21kworker/u16:4+efi_rts_wq22:50:321
30749992820,280cyclictest21259-21kworker/u16:1+efi_rts_wq00:35:141
30748992820,281cyclictest6315-21kworker/u16:1+efi_rts_wq22:05:130
30750992810,280cyclictest12629-21kworker/u16:2+efi_rts_wq21:25:132
30750992800,279cyclictest6315-21kworker/u16:1+efi_rts_wq21:00:132
30749992800,279cyclictest21259-21kworker/u16:1+efi_rts_wq23:50:431
30751992790,278cyclictest12042-21kworker/u16:0+efi_rts_wq20:30:153
30750992780,277cyclictest6315-21kworker/u16:1+efi_rts_wq21:10:122
30749992780,277cyclictest6315-21kworker/u16:1+efi_rts_wq21:05:141
30750992760,275cyclictest21259-21kworker/u16:1+efi_rts_wq23:45:432
30751992750,274cyclictest6073-21kworker/u16:3+efi_rts_wq19:29:573
30751992740,273cyclictest6073-21kworker/u16:3+efi_rts_wq20:20:043
30748992740,273cyclictest6315-21kworker/u16:1+efi_rts_wq22:40:130
30751992730,272cyclictest6073-21kworker/u16:3+efi_rts_wq20:35:133
30751992730,272cyclictest15526-21kworker/u16:2+efi_rts_wq23:25:393
30750992720,271cyclictest12629-21kworker/u16:2+efi_rts_wq21:50:232
30750992710,270cyclictest15526-21kworker/u16:2+efi_rts_wq00:15:122
30749992710,268cyclictest21259-21kworker/u16:1+efi_rts_wq00:00:121
30751992680,266cyclictest1101-21kworker/u16:4+efi_rts_wq22:50:123
30748992680,266cyclictest15526-21kworker/u16:2+efi_rts_wq23:55:110
30749992630,262cyclictest12629-21kworker/u16:2+efi_rts_wq22:35:301
30749992630,262cyclictest12629-21kworker/u16:2+efi_rts_wq22:35:291
30751992600,259cyclictest6315-21kworker/u16:1+efi_rts_wq22:40:133
30751992600,259cyclictest6315-21kworker/u16:1+efi_rts_wq21:15:143
30751992600,259cyclictest12042-21kworker/u16:0+efi_rts_wq20:15:043
30750992590,258cyclictest6073-21kworker/u16:3+efi_rts_wq20:15:132
30748992570,256cyclictest15526-21kworker/u16:2+efi_rts_wq23:35:400
30749992560,255cyclictest6073-21kworker/u16:3+efi_rts_wq19:35:131
30748992560,255cyclictest12042-21kworker/u16:0+efi_rts_wq20:10:130
30751992550,254cyclictest12042-21kworker/u16:0+efi_rts_wq19:50:153
30751992510,250cyclictest6315-21kworker/u16:1+efi_rts_wq22:20:273
30749992510,250cyclictest12629-21kworker/u16:2+efi_rts_wq21:15:161
30749992490,248cyclictest15526-21kworker/u16:2+efi_rts_wq23:25:151
30748992490,248cyclictest21259-21kworker/u16:1+efi_rts_wq00:25:120
30748992480,247cyclictest12042-21kworker/u16:0+efi_rts_wq20:30:160
30751992470,246cyclictest15526-21kworker/u16:2+efi_rts_wq23:20:383
30750992470,244cyclictest12629-21kworker/u16:2+efi_rts_wq22:20:142
30751992460,245cyclictest12042-21kworker/u16:0+efi_rts_wq20:05:043
30748992450,243cyclictest15526-21kworker/u16:2+efi_rts_wq23:25:140
30748992440,243cyclictest6315-21kworker/u16:1+efi_rts_wq20:55:120
30748992430,242cyclictest12629-21kworker/u16:2+efi_rts_wq20:50:110
30749992410,240cyclictest12629-21kworker/u16:2+efi_rts_wq21:35:121
30748992390,238cyclictest21259-21kworker/u16:1+efi_rts_wq00:05:120
30749992380,237cyclictest21259-21kworker/u16:1+efi_rts_wq23:30:131
30751992360,235cyclictest31763-21kworker/u16:3+efi_rts_wq23:10:123
30751992360,234cyclictest12629-21kworker/u16:2+efi_rts_wq20:50:113
30751992350,234cyclictest6315-21kworker/u16:1+efi_rts_wq21:40:133
30751992340,233cyclictest31763-21kworker/u16:3+efi_rts_wq23:05:363
30749992330,232cyclictest12042-21kworker/u16:0+efi_rts_wq19:55:001
30748992330,232cyclictest6315-21kworker/u16:1+efi_rts_wq21:05:130
30750992320,231cyclictest6315-21kworker/u16:1+efi_rts_wq22:00:242
30749992310,230cyclictest21259-21kworker/u16:1+efi_rts_wq23:40:131
30751992270,225cyclictest31763-21kworker/u16:3+efi_rts_wq22:55:123
30751992260,225cyclictest21259-21kworker/u16:1+efi_rts_wq23:40:413
30750992260,225cyclictest12629-21kworker/u16:2+efi_rts_wq22:15:262
30748992250,224cyclictest6073-21kworker/u16:3+efi_rts_wq20:45:100
30751992240,223cyclictest12629-21kworker/u16:2+efi_rts_wq21:50:123
30748992210,220cyclictest6315-21kworker/u16:1+efi_rts_wq21:00:130
30751992200,218cyclictest15526-21kworker/u16:2+efi_rts_wq23:55:123
30750992180,217cyclictest6315-21kworker/u16:1+efi_rts_wq22:10:122
30749992170,216cyclictest12629-21kworker/u16:2+efi_rts_wq21:55:121
30751992160,215cyclictest12629-21kworker/u16:2+efi_rts_wq22:10:263
30749992140,213cyclictest15526-21kworker/u16:2+efi_rts_wq00:15:121
30749992140,213cyclictest12042-21kworker/u16:0+efi_rts_wq20:40:091
30748992140,213cyclictest6073-21kworker/u16:3+efi_rts_wq20:05:130
30749992130,212cyclictest12042-21kworker/u16:0+efi_rts_wq19:44:581
30749992120,211cyclictest12629-21kworker/u16:2+efi_rts_wq21:20:141
30751992100,209cyclictest12042-21kworker/u16:0+efi_rts_wq20:25:053
30750992100,209cyclictest12629-21kworker/u16:2+efi_rts_wq21:55:132
30749992100,209cyclictest15526-21kworker/u16:2+efi_rts_wq23:55:121
30751992080,207cyclictest12629-21kworker/u16:2+efi_rts_wq21:10:153
30751992060,205cyclictest21259-21kworker/u16:1+efi_rts_wq00:00:123
30751992050,202cyclictest6315-21kworker/u16:1+efi_rts_wq22:15:123
30748992030,202cyclictest31763-21kworker/u16:3+efi_rts_wq23:15:370
30750992000,198cyclictest21259-21kworker/u16:1+efi_rts_wq23:50:132
30749992000,199cyclictest6073-21kworker/u16:3+efi_rts_wq19:25:141
30749992000,199cyclictest31763-21kworker/u16:3+efi_rts_wq22:55:341
30751991960,195cyclictest6315-21kworker/u16:1+efi_rts_wq20:55:123
30748991960,192cyclictest6315-21kworker/u16:1+efi_rts_wq22:30:130
30751991950,194cyclictest12629-21kworker/u16:2+efi_rts_wq21:25:133
30749991950,194cyclictest12042-21kworker/u16:0+efi_rts_wq19:50:141
30748991920,191cyclictest21259-21kworker/u16:1+efi_rts_wq00:35:130
30750991900,189cyclictest6073-21kworker/u16:3+efi_rts_wq20:25:122
30750991900,189cyclictest31763-21kworker/u16:3+efi_rts_wq23:00:122
30749991880,187cyclictest15526-21kworker/u16:2+efi_rts_wq23:15:131
30750991870,186cyclictest12042-21kworker/u16:0+efi_rts_wq20:20:142
30751991860,185cyclictest12042-21kworker/u16:0+efi_rts_wq20:10:133
30749991820,181cyclictest6315-21kworker/u16:1+efi_rts_wq22:25:281
30751991810,178cyclictest6073-21kworker/u16:3+efi_rts_wq19:20:123
30748991810,180cyclictest6073-21kworker/u16:3+efi_rts_wq20:20:150
30749991800,179cyclictest21259-21kworker/u16:1+efi_rts_wq00:25:131
30749991800,177cyclictest6315-21kworker/u16:1+efi_rts_wq22:15:121
30751991790,176cyclictest6315-21kworker/u16:1+efi_rts_wq22:35:153
30751991790,176cyclictest6315-21kworker/u16:1+efi_rts_wq22:35:153
30748991780,177cyclictest6315-21kworker/u16:1+efi_rts_wq21:20:180
30749991720,170cyclictest6315-21kworker/u16:1+efi_rts_wq22:00:131
30750991710,170cyclictest21259-21kworker/u16:1+efi_rts_wq00:05:132
30750991700,169cyclictest31763-21kworker/u16:3+efi_rts_wq22:45:112
30748991700,169cyclictest12042-21kworker/u16:0+efi_rts_wq19:45:120
30750991600,159cyclictest6073-21kworker/u16:3+efi_rts_wq19:24:552
30748991590,158cyclictest10010-21kworker/u16:1+efi_rts_wq23:00:130
30750991580,157cyclictest15526-21kworker/u16:2+efi_rts_wq00:25:502
30749991570,156cyclictest12629-21kworker/u16:2+efi_rts_wq22:20:141
30749991530,152cyclictest6315-21kworker/u16:1+efi_rts_wq21:30:141
30749991530,152cyclictest12042-21kworker/u16:0+efi_rts_wq20:45:121
30750991470,146cyclictest6073-21kworker/u16:3+efi_rts_wq20:05:142
30751991440,143cyclictest21259-21kworker/u16:1+efi_rts_wq23:35:133
30748991410,140cyclictest31763-21kworker/u16:3+efi_rts_wq23:05:120
30749991400,139cyclictest15526-21kworker/u16:2+efi_rts_wq00:05:471
30748991400,139cyclictest6073-21kworker/u16:3+efi_rts_wq19:40:150
30748991390,139cyclictest6073-21kworker/u16:3+efi_rts_wq19:34:580
30749991370,136cyclictest15526-21kworker/u16:2+efi_rts_wq00:20:491
30751991350,134cyclictest21259-21kworker/u16:1+efi_rts_wq23:30:133
30749991350,134cyclictest6315-21kworker/u16:1+efi_rts_wq21:25:171
30751991310,130cyclictest6315-21kworker/u16:1+efi_rts_wq21:55:233
30749991290,128cyclictest31763-21kworker/u16:3+efi_rts_wq23:00:121
30750991230,118cyclictest1101-21kworker/u16:4+efi_rts_wq22:50:122
30749991210,121cyclictest12629-21kworker/u16:2+efi_rts_wq22:30:301
30750993231,1cyclictest23539-21kworker/2:3+events23:21:452
30750993230,2cyclictest818-21snmpd23:57:272
30750993229,3cyclictest818-21snmpd22:41:182
30751993130,1cyclictest818-21snmpd19:31:103
30751993129,2cyclictest818-21snmpd00:32:123
30751993129,2cyclictest5198-21cat23:50:153
30750993130,1cyclictest818-21snmpd23:28:022
30750993130,1cyclictest818-21snmpd22:31:272
30750993129,2cyclictest818-21snmpd22:36:012
30750993129,2cyclictest818-21snmpd22:36:002
30750993129,2cyclictest818-21snmpd21:22:262
30750993129,2cyclictest27629-21cat23:30:152
30750993128,2cyclictest818-21snmpd21:33:292
30748993130,1cyclictest818-21snmpd23:10:570
30751993029,1cyclictest818-21snmpd22:28:593
30751993029,1cyclictest818-21snmpd00:07:183
30751993027,3cyclictest818-21snmpd23:46:563
30751993027,2cyclictest818-21snmpd21:01:423
30750993029,1cyclictest818-21snmpd21:38:462
30750993029,1cyclictest818-21snmpd20:00:532
30750993029,1cyclictest818-21snmpd19:47:222
30749993029,1cyclictest818-21snmpd23:35:051
30749993029,1cyclictest818-21snmpd21:12:561
30749993029,1cyclictest818-21snmpd20:35:091
30749993029,1cyclictest818-21snmpd20:17:351
30749993028,2cyclictest818-21snmpd22:47:131
30749993028,2cyclictest818-21snmpd21:04:581
30749993027,2cyclictest818-21snmpd22:06:291
30748993030,0cyclictest17516-21kworker/0:2+events_freezable22:25:070
30748993029,1cyclictest818-21snmpd23:00:000
30748993029,1cyclictest818-21snmpd21:35:460
30748993029,1cyclictest818-21snmpd19:58:010
30748993028,2cyclictest818-21snmpd20:27:140
30751992928,1cyclictest818-21snmpd20:00:503
30750992929,0cyclictest8567-21kworker/2:2+events00:31:312
30750992929,0cyclictest32001-21kworker/2:2+events19:59:352
30750992929,0cyclictest32001-21kworker/2:2+events19:52:432
30750992929,0cyclictest32001-21kworker/2:2+events19:40:552
30750992929,0cyclictest32001-21kworker/2:2+events19:36:362
30750992929,0cyclictest15821-21kworker/2:0+events22:08:512
30750992929,0cyclictest15821-21kworker/2:0+events21:45:592
30750992929,0cyclictest10090-21kworker/2:1+events20:57:112
30750992929,0cyclictest10090-21kworker/2:1+events20:36:472
30750992928,1cyclictest818-21snmpd21:05:212
30750992928,1cyclictest818-21snmpd20:11:352
30750992928,1cyclictest818-21snmpd00:11:202
30750992928,1cyclictest4841-21kworker/2:0+events23:12:472
30750992927,2cyclictest818-21snmpd23:16:162
30750992927,2cyclictest818-21snmpd20:52:392
30749992929,0cyclictest12042-21kworker/u16:0+atlantic19:23:071
30749992928,1cyclictest818-21snmpd21:53:061
30749992928,1cyclictest818-21snmpd20:31:341
30749992927,2cyclictest818-21snmpd00:33:571
30748992929,0cyclictest818-21snmpd23:33:190
30748992928,1cyclictest818-21snmpd20:44:280
30748992927,2cyclictest818-21snmpd23:24:490
30751992827,1cyclictest818-21snmpd00:14:383
30750992828,0cyclictest28616-21kworker/2:1+events23:37:422
30750992828,0cyclictest15821-21kworker/2:0+events21:42:482
30750992826,2cyclictest818-21snmpd20:30:212
30749992826,2cyclictest818-21snmpd23:08:161
30749992826,2cyclictest818-21snmpd19:30:011
30748992828,0cyclictest818-21snmpd22:54:060
30748992827,1cyclictest818-21snmpd22:10:270
30748992827,1cyclictest818-21snmpd21:41:200
30748992827,1cyclictest818-21snmpd19:53:410
30748992827,1cyclictest818-21snmpd19:15:510
30748992827,1cyclictest818-21snmpd00:19:590
30748992826,2cyclictest821-21ntpd21:52:460
30748992826,2cyclictest818-21snmpd20:03:120
30748992826,2cyclictest6852-21cat19:25:160
30751992726,1cyclictest818-21snmpd20:48:273
30751992726,1cyclictest818-21snmpd19:39:593
30751992726,1cyclictest818-21snmpd00:20:293
30749992727,0cyclictest6073-21kworker/u16:3+atlantic20:07:551
30749992726,1cyclictest16306-21cat19:45:141
30749992725,2cyclictest818-21snmpd20:23:511
30748992727,0cyclictest6315-21kworker/u16:1+atlantic22:23:460
30748992726,1cyclictest818-21snmpd21:11:050
30748992725,2cyclictest818-21snmpd22:48:310
30750992626,0cyclictest4841-21kworker/2:0+events22:59:242
30750992626,0cyclictest10090-21kworker/2:1+events21:15:432
30750992625,1cyclictest818-21snmpd23:05:042
30748992625,1cyclictest818-21snmpd22:18:500
30748992625,1cyclictest818-21snmpd21:48:370
30748992624,2cyclictest818-21snmpd23:52:340
30748992624,2cyclictest818-21snmpd00:22:110
30748992525,0cyclictest6073-21kworker/u16:3+atlantic20:39:130
30748992525,0cyclictest21259-21kworker/u16:1+atlantic00:10:250
30748992523,2cyclictest818-21snmpd21:57:050
30751992422,2cyclictest818-21snmpd21:06:273
30751992321,2cyclictest818-21snmpd00:16:063
30749992322,1cyclictest818-21snmpd23:48:591
30749992322,1cyclictest818-21snmpd21:48:011
30751992119,2cyclictest818-21snmpd20:44:033
30749992120,1cyclictest818-21snmpd22:13:271
30748992118,3cyclictest818-21snmpd23:41:580
30751992017,2cyclictest818-21snmpd22:00:113
30748991917,2cyclictest818-21snmpd00:00:080
30750991717,0cyclictest32001-21kworker/2:2+events19:25:122
30748991717,0cyclictest12042-21kworker/u16:0+atlantic19:13:090
30751991515,0cyclictest21259-21kworker/u16:1+atlantic00:25:203
30751991514,1cyclictest825-21lldpd21:34:143
30749991513,2cyclictest818-21snmpd19:14:391
30748991515,0cyclictest6315-21kworker/u16:1+atlantic21:15:290
307489988,0cyclictest17516-21kworker/0:2+events_freezable21:25:010
307519965,1cyclictest26278-21grep00:35:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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