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2026-06-18 - 05:44

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 Thu Jun 18, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66252115104,6sleep20-21swapper/219:07:142
6594210998,6sleep10-21swapper/119:06:491
6665210695,6sleep00-21swapper/019:07:440
5639210680,18sleep30-21swapper/319:05:153
233742770,1sleep00-21swapper/021:45:090
28022730,1sleep10-21swapper/100:20:151
140742730,1sleep00-21swapper/021:35:080
13442720,0sleep00-21swapper/000:19:090
145082710,0sleep30-21swapper/300:32:433
85332670,1sleep0686799cyclictest00:25:590
266742330,2sleep337-21rcuc/322:59:403
84172270,1sleep30-21swapper/321:28:323
289162230,0sleep20-21swapper/222:25:272
276662230,1sleep10-21swapper/121:15:011
254582230,0sleep00-21swapper/022:21:370
254582230,0sleep00-21swapper/022:21:360
687099221,19cyclictest0-21swapper/319:25:103
6868992218,2cyclictest0-21swapper/121:20:111
686899201,17cyclictest0-21swapper/100:10:111
686799200,2cyclictest0-21swapper/023:20:120
6869991916,2cyclictest7388-21kworker/u8:021:45:052
6869991815,2cyclictest8727-21kworker/u8:222:10:062
6868991812,4cyclictest0-21swapper/121:48:121
6869991714,2cyclictest27390-21kworker/u8:121:50:012
6869991711,5cyclictest22983-21diskmemload21:27:052
6868991714,2cyclictest0-21swapper/123:36:001
686899170,15cyclictest0-21swapper/122:47:121
687099161,13cyclictest18971-21memory22:50:163
687099161,13cyclictest0-21swapper/319:30:173
687099160,2cyclictest0-21swapper/322:15:103
6869991613,2cyclictest3820-21kworker/u8:122:35:042
6868991613,2cyclictest0-21swapper/123:19:111
6868991613,2cyclictest0-21swapper/122:56:471
6868991611,4cyclictest22983-21diskmemload23:02:461
686899161,13cyclictest0-21swapper/100:33:071
6868991610,4cyclictest0-21swapper/121:00:141
686899160,14cyclictest0-21swapper/123:26:391
686799160,14cyclictest0-21swapper/022:54:240
687099151,3cyclictest3728-21runrttasks22:47:573
6870991510,3cyclictest4501-21df_inode23:10:133
687099150,13cyclictest5712-21munin-node3
687099150,13cyclictest4122-21ssh21:59:383
687099150,13cyclictest21748-21tune2fs21:05:143
687099150,13cyclictest0-21swapper/320:00:063
687099150,13cyclictest0-21swapper/319:50:003
6869991512,2cyclictest15164-21ssh23:57:292
6869991511,2cyclictest0-21swapper/223:20:252
686899153,11cyclictest0-21swapper/100:02:591
686899152,12cyclictest21-21rcuc/122:08:221
686899152,12cyclictest0-21swapper/122:51:371
686899152,12cyclictest0-21swapper/121:42:391
6868991512,2cyclictest22983-21diskmemload21:55:551
6868991512,2cyclictest0-21swapper/123:55:421
6868991512,2cyclictest0-21swapper/123:33:401
6868991512,2cyclictest0-21swapper/122:43:021
6868991512,2cyclictest0-21swapper/121:51:351
6868991512,2cyclictest0-21swapper/100:19:411
6868991511,3cyclictest23016-21copy22:20:011
6868991511,3cyclictest0-21swapper/123:46:371
686899151,12cyclictest22983-21diskmemload23:06:281
686899151,12cyclictest21589-21awk00:05:171
686899150,14cyclictest0-21swapper/122:37:011
686899150,14cyclictest0-21swapper/122:12:571
686799150,13cyclictest4614-21ssh00:21:340
687099142,7cyclictest20639-21gpgv00:04:593
687099142,6cyclictest0-21swapper/322:05:013
687099140,2cyclictest0-21swapper/322:30:193
687099140,12cyclictest11980-21ssh21:31:553
687099140,12cyclictest0-21swapper/300:12:593
686999141,3cyclictest0-21swapper/222:55:082
686999140,2cyclictest0-21swapper/222:20:052
686999140,2cyclictest0-21swapper/222:20:052
686999140,2cyclictest0-21swapper/200:30:142
686999140,12cyclictest0-21swapper/221:56:012
686899149,3cyclictest0-21swapper/122:00:151
686899142,11cyclictest0-21swapper/123:50:301
686899142,11cyclictest0-21swapper/122:30:331
686899142,11cyclictest0-21swapper/121:30:331
686899142,11cyclictest0-21swapper/100:37:141
686899142,10cyclictest5865-21sed23:11:041
686899142,10cyclictest0-21swapper/122:25:161
686899142,10cyclictest0-21swapper/120:55:121
6868991411,2cyclictest0-21swapper/121:16:141
6868991411,2cyclictest0-21swapper/120:15:031
6868991411,2cyclictest0-21swapper/120:10:151
6868991411,2cyclictest0-21swapper/119:36:031
686899140,3cyclictest0-21swapper/123:23:451
686899140,3cyclictest0-21swapper/100:27:471
686899140,13cyclictest0-21swapper/122:23:351
686899140,13cyclictest0-21swapper/122:23:341
686899140,12cyclictest0-21swapper/121:26:161
686899140,12cyclictest0-21swapper/120:30:151
686799142,5cyclictest0-21swapper/020:40:040
6867991410,2cyclictest0-21swapper/023:45:500
686799140,12cyclictest9359-21apt-get22:05:100
686799140,12cyclictest0-21swapper/023:31:230
686799140,12cyclictest0-21swapper/019:20:160
40122141,3sleep00-21swapper/023:10:120
687099132,6cyclictest0-21swapper/322:10:003
687099132,6cyclictest0-21swapper/320:25:003
687099132,6cyclictest0-21swapper/320:19:593
687099132,6cyclictest0-21swapper/319:25:013
6870991310,2cyclictest22983-21diskmemload23:30:393
6870991310,2cyclictest0-21swapper/323:50:483
6870991310,2cyclictest0-21swapper/323:46:573
6870991310,2cyclictest0-21swapper/323:41:023
6870991310,2cyclictest0-21swapper/323:25:183
6870991310,2cyclictest0-21swapper/322:40:413
6870991310,2cyclictest0-21swapper/322:35:273
6870991310,2cyclictest0-21swapper/300:09:593
687099130,2cyclictest0-21swapper/323:36:093
687099130,2cyclictest0-21swapper/323:05:013
687099130,2cyclictest0-21swapper/321:52:173
687099130,2cyclictest0-21swapper/300:21:033
687099130,12cyclictest16333-21ssh23:59:403
687099130,12cyclictest0-21swapper/300:29:073
686999139,3cyclictest0-21swapper/219:50:112
686999139,2cyclictest0-21swapper/221:00:182
6869991310,2cyclictest12089-21ssh21:32:052
6869991310,2cyclictest0-21swapper/221:35:152
686999130,2cyclictest0-21swapper/223:06:152
686999130,2cyclictest0-21swapper/221:20:122
686999130,2cyclictest0-21swapper/200:13:492
686999130,11cyclictest0-21swapper/200:16:542
686899132,9cyclictest13139-21munin-node1
686899132,9cyclictest10885-21cron19:20:001
6868991310,2cyclictest0-21swapper/123:40:561
686899130,12cyclictest0-21swapper/121:35:171
686899130,12cyclictest0-21swapper/119:45:111
686899130,11cyclictest11120-21munin-node1
6867991310,2cyclictest18994-21date19:40:000
6867991310,2cyclictest0-21swapper/023:35:120
6867991310,2cyclictest0-21swapper/023:05:190
6867991310,2cyclictest0-21swapper/021:40:140
6867991310,2cyclictest0-21swapper/021:25:170
6867991310,2cyclictest0-21swapper/000:35:170
686799130,2cyclictest0-21swapper/023:55:120
686799130,2cyclictest0-21swapper/022:15:160
686799130,2cyclictest0-21swapper/000:34:590
686799130,2cyclictest0-21swapper/000:12:550
686799130,2cyclictest0-21swapper/000:01:150
686799130,12cyclictest0-21swapper/023:29:550
686799130,12cyclictest0-21swapper/022:46:050
78322120,2sleep20-21swapper/223:50:052
687099129,2cyclictest26197-21ssh21:47:303
687099129,2cyclictest0-21swapper/322:20:293
687099129,2cyclictest0-21swapper/322:20:293
687099129,2cyclictest0-21swapper/321:42:153
687099129,2cyclictest0-21swapper/300:15:053
687099128,2cyclictest0-21swapper/300:35:063
687099127,3cyclictest14894-21tail22:10:183
687099122,7cyclictest0-21swapper/320:51:583
687099122,6cyclictest0-21swapper/319:36:003
687099120,2cyclictest0-21swapper/323:20:063
687099120,2cyclictest0-21swapper/321:20:383
687099120,11cyclictest0-21swapper/323:16:013
687099120,11cyclictest0-21swapper/323:01:383
687099120,11cyclictest0-21swapper/322:25:013
687099120,11cyclictest0-21swapper/321:35:183
687099120,11cyclictest0-21swapper/321:15:133
687099120,11cyclictest0-21swapper/321:14:183
686999129,2cyclictest17160-21kworker/u8:220:01:042
686999129,2cyclictest0-21swapper/223:03:182
686999129,2cyclictest0-21swapper/222:04:592
686999129,2cyclictest0-21swapper/219:55:182
686999129,2cyclictest0-21swapper/200:25:492
686999129,2cyclictest0-21swapper/200:04:482
686999120,2cyclictest22983-21diskmemload23:13:352
686999120,2cyclictest0-21swapper/200:23:432
686999120,11cyclictest0-21swapper/223:47:392
686999120,11cyclictest0-21swapper/222:30:292
686999120,11cyclictest0-21swapper/221:10:182
686999120,11cyclictest0-21swapper/200:35:012
686899129,2cyclictest0-21swapper/120:06:021
686899123,2cyclictest0-21swapper/120:25:121
686899122,8cyclictest0-21swapper/119:25:131
686899121,9cyclictest0-21swapper/120:40:161
686899121,9cyclictest0-21swapper/119:10:151
686899121,10cyclictest0-21swapper/119:40:261
686899120,2cyclictest0-21swapper/120:50:171
686899120,2cyclictest0-21swapper/120:00:181
686799129,2cyclictest0-21swapper/023:42:520
686799129,2cyclictest0-21swapper/023:17:020
686799129,2cyclictest0-21swapper/022:03:210
686799129,2cyclictest0-21swapper/021:11:470
686799129,2cyclictest0-21swapper/020:55:160
686799129,2cyclictest0-21swapper/019:31:000
686799124,5cyclictest0-21swapper/021:24:040
686799120,2cyclictest0-21swapper/022:43:370
686799120,2cyclictest0-21swapper/021:00:160
686799120,2cyclictest0-21swapper/019:45:110
686799120,11cyclictest0-21swapper/023:01:520
686799120,11cyclictest0-21swapper/022:56:240
686799120,11cyclictest0-21swapper/021:17:150
686799120,11cyclictest0-21swapper/020:15:100
686799120,11cyclictest0-21swapper/019:55:150
686799120,11cyclictest0-21swapper/000:05:010
686799120,10cyclictest2517-21kworker/u8:021:57:040
686799120,10cyclictest22983-21diskmemload23:51:390
209052120,2sleep20-21swapper/222:16:422
100732120,2sleep20-21swapper/223:15:582
687099118,2cyclictest0-21swapper/319:11:023
687099112,6cyclictest0-21swapper/320:30:003
687099112,6cyclictest0-21swapper/319:41:593
686999118,2cyclictest24071-21kworker/u8:223:36:052
686999118,2cyclictest0-21swapper/222:51:342
686999118,2cyclictest0-21swapper/222:42:592
686999118,2cyclictest0-21swapper/222:05:282
686999116,3cyclictest0-21swapper/219:35:142
686999110,2cyclictest0-21swapper/221:15:062
686999110,10cyclictest0-21swapper/222:49:092
686999110,10cyclictest0-21swapper/219:25:112
686999110,10cyclictest0-21swapper/200:08:242
686899112,8cyclictest0-21swapper/119:30:041
686899112,7cyclictest22986-21apt21:09:591
686899110,9cyclictest0-21swapper/119:55:181
686899110,9cyclictest0-21swapper/119:51:011
686899110,10cyclictest0-21swapper/120:22:401
686799118,2cyclictest27274-21apt-get20:00:110
686799118,2cyclictest0-21swapper/022:14:280
686799110,9cyclictest0-21swapper/021:51:190
686799110,2cyclictest22983-21diskmemload22:33:590
686799110,2cyclictest11627-21ssh21:31:160
686799110,10cyclictest0-21swapper/022:35:490
686799110,10cyclictest0-21swapper/022:25:570
26642110,2sleep20-21swapper/223:44:362
157132110,8sleep00-21swapper/020:50:160
687099107,2cyclictest0-21swapper/320:06:023
687099102,7cyclictest0-21swapper/319:59:593
687099100,6cyclictest0-21swapper/320:46:003
687099100,6cyclictest0-21swapper/320:11:003
687099100,6cyclictest0-21swapper/319:54:543
686999107,2cyclictest8614-21kworker/u8:219:14:042
686999107,2cyclictest22130-21kworker/u8:119:19:052
686999107,2cyclictest17629-21kworker/u8:123:29:042
686999107,2cyclictest17160-21kworker/u8:220:34:052
686999107,2cyclictest17160-21kworker/u8:220:23:052
686999107,2cyclictest12295-21kworker/u8:020:46:052
686999107,2cyclictest11253-21kworker/u8:019:30:052
686999105,3cyclictest9411-21tr20:35:132
686999105,3cyclictest9194-21kworker/2:123:30:192
686999104,4cyclictest3127-21nscd20:50:122
686999102,6cyclictest3688-21Xorg20:41:582
686999100,8cyclictest22983-21diskmemload21:41:132
686899100,8cyclictest9766-21interrupts20:35:161
686799107,2cyclictest0-21swapper/020:10:150
686799104,2cyclictest0-21swapper/019:40:040
68709996,2cyclictest0-21swapper/320:41:583
68709994,3cyclictest19517-21sed21:00:123
68709994,3cyclictest18365-21switchtime20:56:023
68709994,3cyclictest10696-21chrt20:37:273
68709994,3cyclictest10460-21unixbench_multi19:16:033
68699996,2cyclictest14760-21kworker/u8:121:08:042
68699994,3cyclictest19997-21missed_timers19:40:182
68699992,5cyclictest0-21swapper/220:55:022
68679996,2cyclictest29893-21hwlatdetect20:05:130
68679996,2cyclictest0-21swapper/019:51:030
68679994,4cyclictest22150irq/25-ahci[00020:40:000
68679994,3cyclictest9183-21head19:15:110
12199290,2sleep20-21swapper/219:21:002
68699983,3cyclictest940-21basename20:15:092
68699983,3cyclictest3728-21runrttasks20:25:162
68699983,3cyclictest31401-21aten2.4_r3power20:10:122
68699983,3cyclictest21271-21aten2.4_r3power19:45:112
68699983,3cyclictest0-21swapper/220:05:122
68679985,2cyclictest0-21swapper/021:06:000
68679985,2cyclictest0-21swapper/020:24:040
68679985,2cyclictest0-21swapper/019:27:330
68679985,2cyclictest0-21swapper/019:14:240
68679983,3cyclictest7234-21cut20:30:090
68679983,3cyclictest13284-21aten2.4_r3power20:45:120
68679974,2cyclictest5856-21load20:25:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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