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2026-09-13 - 10:53

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 Sun Sep 13, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25472211386,21sleep00-21swapper/019:05:200
26241211088,16sleep10-21swapper/119:09:501
25481210890,12sleep20-21swapper/219:05:262
26223210184,12sleep30-21swapper/319:09:363
125262840,1sleep229-21rcuc/221:11:262
58112770,1sleep0101ktimersoftd/021:37:330
144882740,0sleep20-21swapper/223:24:502
94482670,1sleep121-21rcuc/122:46:041
2628599360,2cyclictest0-21swapper/300:35:133
2628599320,30cyclictest0-21swapper/300:10:163
2628399321,18cyclictest12451-21ssh23:55:131
47802310,0sleep00-21swapper/023:46:290
300162310,0sleep130018-21ssh22:35:101
2628499309,19cyclictest0-21swapper/220:35:122
2628399301,19cyclictest3728-21runrttasks22:30:121
2628399300,21cyclictest0-21swapper/100:10:171
2628399290,19cyclictest0-21swapper/121:15:131
2628399290,19cyclictest0-21swapper/121:15:121
26285992723,3cyclictest32408-21kworker/u8:000:19:053
26285992623,2cyclictest14919-21kworker/u8:023:59:053
26285992522,2cyclictest22330-21kworker/u8:023:38:053
26285992522,2cyclictest10331-21kworker/u8:021:52:053
210652250,0sleep00-21swapper/021:20:180
26285992421,2cyclictest14919-21kworker/u8:000:08:023
288952230,1sleep2301ktimersoftd/223:39:082
26285992320,2cyclictest9097-21kworker/u8:022:17:053
26285992320,2cyclictest3445-21kworker/u8:122:09:053
26285992320,2cyclictest22935-21kworker/u8:022:59:043
26285992320,2cyclictest18705-21kworker/u8:221:29:053
26285992320,2cyclictest14593-21kworker/u8:122:21:043
26285992320,2cyclictest10331-21kworker/u8:021:38:053
26284992317,4cyclictest7670-21ssh22:45:132
26282992319,2cyclictest0-21swapper/019:55:150
126962230,1sleep1221ktimersoftd/122:50:181
26285992219,2cyclictest5196-21kworker/u8:023:17:053
26285992219,2cyclictest32502-21kworker/u8:121:43:053
26285992219,2cyclictest31058-21kworker/u8:222:52:053
26285992219,2cyclictest28227-21kworker/u8:200:02:053
26285992219,2cyclictest22935-21kworker/u8:023:07:053
26285992219,2cyclictest22786-21kworker/u8:122:00:063
26285992219,2cyclictest22786-21kworker/u8:121:57:043
2628599220,17cyclictest0-21swapper/321:32:043
2628399221,19cyclictest32039-21sendmail-mta20:45:141
26282992219,2cyclictest22786-21kworker/u8:121:58:020
2628299220,16cyclictest0-21swapper/021:44:050
26285992118,2cyclictest16100-21kworker/u8:221:49:043
26285992118,2cyclictest15312-21kworker/u8:123:00:013
2628599210,19cyclictest0-21swapper/321:00:133
2628599210,16cyclictest0-21swapper/300:28:053
26285992017,2cyclictest31378-21kworker/u8:223:28:053
26285992017,2cyclictest28227-21kworker/u8:223:53:053
26285992017,2cyclictest28227-21kworker/u8:223:41:053
26285992017,2cyclictest22935-21kworker/u8:022:35:053
26285992017,2cyclictest22935-21kworker/u8:022:29:053
26285992017,2cyclictest18705-21kworker/u8:221:23:043
26285992017,2cyclictest15312-21kworker/u8:123:10:043
26282992017,2cyclictest14919-21kworker/u8:000:05:050
2628299200,14cyclictest0-21swapper/000:00:050
26285991916,2cyclictest22935-21kworker/u8:022:47:043
26285991916,2cyclictest22935-21kworker/u8:022:34:043
26285991916,2cyclictest22330-21kworker/u8:023:34:063
26285991916,2cyclictest18705-21kworker/u8:221:19:053
26285991916,2cyclictest18705-21kworker/u8:221:19:053
2628599190,14cyclictest0-21swapper/319:18:053
26282991916,2cyclictest29927-21kworker/u8:022:07:050
26282991916,2cyclictest14593-21kworker/u8:122:31:050
26285991815,2cyclictest20759-21kworker/u8:100:34:043
26284991813,3cyclictest402-21cpuspeed_turbos19:25:152
26282991815,2cyclictest22786-21kworker/u8:122:00:010
26282991815,2cyclictest18705-21kworker/u8:221:28:050
26282991815,2cyclictest16100-21kworker/u8:222:26:040
26282991812,5cyclictest6918-1kworker/0:1H20:34:050
26285991714,2cyclictest3445-21kworker/u8:122:13:053
2628599170,12cyclictest0-21swapper/323:22:043
2628399171,14cyclictest0-21swapper/120:15:171
2628399170,15cyclictest0-21swapper/121:00:121
26282991714,2cyclictest9097-21kworker/u8:022:19:050
26282991714,2cyclictest31058-21kworker/u8:222:38:040
26282991714,2cyclictest22935-21kworker/u8:023:02:040
26282991714,2cyclictest22935-21kworker/u8:022:57:050
26282991714,2cyclictest22935-21kworker/u8:022:48:050
26282991714,2cyclictest22330-21kworker/u8:023:33:050
26282991713,3cyclictest0-21swapper/000:27:050
26282991713,2cyclictest6462-21kworker/u8:220:06:020
169322170,1sleep229-21rcuc/223:59:492
26285991613,2cyclictest26659-21kworker/u8:119:27:053
26285991613,2cyclictest22431-21kworker/u8:220:22:043
26285991613,2cyclictest10331-21kworker/u8:020:05:053
26285991613,2cyclictest10331-21kworker/u8:019:56:053
2628599160,2cyclictest0-21swapper/300:24:053
2628599160,2cyclictest0-21swapper/300:24:043
2628499161,13cyclictest5175-21munin-node2
2628499161,13cyclictest0-21swapper/223:45:182
2628399161,13cyclictest3701-21ssh23:45:381
26283991611,3cyclictest19153-21cut21:50:511
26282991613,2cyclictest13416-21kworker/u8:000:38:040
2628299161,13cyclictest0-21swapper/023:25:150
2628299161,13cyclictest0-21swapper/022:24:320
26282991611,3cyclictest0-21swapper/020:35:180
2628299160,2cyclictest0-21swapper/023:54:040
2628299160,14cyclictest0-21swapper/023:08:050
2628299160,12cyclictest0-21swapper/023:18:020
26285991512,2cyclictest26659-21kworker/u8:119:32:053
26285991512,2cyclictest10331-21kworker/u8:020:56:053
26285991512,2cyclictest10331-21kworker/u8:020:40:053
26285991512,2cyclictest10331-21kworker/u8:020:04:053
2628499152,8cyclictest32226-21ssh23:09:592
26284991510,3cyclictest0-21swapper/219:40:152
2628499150,2cyclictest0-21swapper/223:00:172
2628399151,12cyclictest22943-21diskstats23:00:131
2628399151,12cyclictest0-21swapper/122:10:501
26283991510,3cyclictest19252-21sensors_temp22:56:061
2628299150,3cyclictest0-21swapper/019:10:180
26285991411,2cyclictest30572-21kworker/u8:219:22:043
26285991411,2cyclictest26659-21kworker/u8:119:36:053
26285991411,2cyclictest10331-21kworker/u8:020:47:043
26285991411,2cyclictest10331-21kworker/u8:020:27:053
26285991411,2cyclictest10331-21kworker/u8:020:15:053
26285991411,2cyclictest10331-21kworker/u8:019:53:053
2628599140,10cyclictest0-21swapper/322:41:053
2628499142,7cyclictest9957-21diskmemload22:00:002
2628499142,7cyclictest0-21swapper/200:20:012
2628499140,2cyclictest0-21swapper/222:05:172
2628499140,13cyclictest0-21swapper/200:26:272
2628499140,12cyclictest16905-21python21:16:032
2628499140,12cyclictest16905-21python21:16:032
2628499140,12cyclictest0-21swapper/219:35:092
2628399149,3cyclictest0-21swapper/119:50:171
2628399142,6cyclictest0-21swapper/122:40:001
2628399142,6cyclictest0-21swapper/119:30:001
2628399140,3cyclictest8551-21sed21:40:151
2628399140,3cyclictest0-21swapper/123:20:121
2628399140,2cyclictest1944-21apt-get20:50:111
2628399140,2cyclictest0-21swapper/100:22:121
2628399140,2cyclictest0-21swapper/100:22:111
2628399140,12cyclictest0-21swapper/122:19:501
2628399140,12cyclictest0-21swapper/121:55:191
2628399140,12cyclictest0-21swapper/121:32:511
2628399140,12cyclictest0-21swapper/100:15:131
26282991411,2cyclictest31378-21kworker/u8:223:21:050
26282991411,2cyclictest28227-21kworker/u8:223:42:050
2628299140,2cyclictest0-21swapper/022:10:080
2628299140,2cyclictest0-21swapper/021:47:040
2628299140,12cyclictest617-21http_loadtime23:10:180
2628299140,12cyclictest0-21swapper/022:50:290
2628299140,12cyclictest0-21swapper/021:18:440
2628299140,12cyclictest0-21swapper/021:18:430
26285991310,2cyclictest6462-21kworker/u8:219:48:043
26285991310,2cyclictest6224-21kworker/u8:221:06:053
26285991310,2cyclictest12477-21kworker/u8:121:13:043
26285991310,2cyclictest10331-21kworker/u8:020:36:053
26285991310,2cyclictest0-21swapper/319:10:173
2628499138,3cyclictest0-21swapper/222:00:132
2628499137,4cyclictest7317-21ssh22:45:002
2628499132,6cyclictest0-21swapper/221:05:002
2628499131,6cyclictest0-21swapper/200:40:012
26284991310,2cyclictest0-21swapper/220:16:072
26284991310,2cyclictest0-21swapper/219:30:172
2628499130,7cyclictest0-21swapper/220:25:012
2628499130,2cyclictest0-21swapper/221:21:562
2628499130,12cyclictest0-21swapper/221:39:372
2628499130,12cyclictest0-21swapper/221:32:242
2628399138,3cyclictest11365-21pzem_current21:10:201
2628399131,3cyclictest0-21swapper/119:39:591
26283991310,2cyclictest0-21swapper/123:31:111
26283991310,2cyclictest0-21swapper/121:35:511
26283991310,2cyclictest0-21swapper/120:05:121
26283991310,2cyclictest0-21swapper/119:20:151
2628399130,2cyclictest0-21swapper/123:53:091
2628399130,2cyclictest0-21swapper/123:25:101
2628399130,2cyclictest0-21swapper/123:13:471
2628399130,2cyclictest0-21swapper/100:32:161
2628399130,2cyclictest0-21swapper/100:06:171
2628399130,12cyclictest0-21swapper/123:17:441
2628399130,12cyclictest0-21swapper/122:24:521
2628399130,12cyclictest0-21swapper/122:05:171
2628399130,12cyclictest0-21swapper/121:22:411
2628399130,12cyclictest0-21swapper/120:00:091
2628399130,12cyclictest0-21swapper/119:16:051
2628399130,12cyclictest0-21swapper/100:36:041
2628399130,12cyclictest0-21swapper/100:26:161
2628399130,12cyclictest0-21swapper/100:03:111
2628399130,11cyclictest30882-21cut23:40:181
2628399130,11cyclictest0-21swapper/121:46:191
2628299139,2cyclictest3947-21ssh00:19:090
26282991310,2cyclictest32408-21kworker/u8:000:20:050
26282991310,2cyclictest32408-21kworker/u8:000:20:040
26282991310,2cyclictest0-21swapper/021:53:360
26282991310,2cyclictest0-21swapper/021:31:450
26282991310,2cyclictest0-21swapper/021:12:050
26282991310,2cyclictest0-21swapper/020:55:120
2628299130,8cyclictest0-21swapper/020:45:050
2628299130,4cyclictest0-21swapper/023:39:040
2628299130,2cyclictest0-21swapper/023:55:130
2628299130,12cyclictest0-21swapper/019:51:020
2628299130,11cyclictest0-21swapper/000:31:560
2628299130,11cyclictest0-21swapper/000:10:130
2628599120,11cyclictest0-21swapper/320:50:163
2628499129,2cyclictest0-21swapper/223:25:142
2628499129,2cyclictest0-21swapper/222:28:372
2628499129,2cyclictest0-21swapper/219:50:192
2628499129,2cyclictest0-21swapper/200:23:552
2628499129,2cyclictest0-21swapper/200:23:542
2628499129,2cyclictest0-21swapper/200:10:192
2628499129,2cyclictest0-21swapper/200:04:082
2628499122,7cyclictest0-21swapper/219:57:592
2628499122,7cyclictest0-21swapper/219:23:582
2628499122,7cyclictest0-21swapper/219:18:592
2628499121,2cyclictest0-21swapper/220:00:092
2628499120,6cyclictest0-21swapper/221:55:012
2628499120,2cyclictest0-21swapper/223:33:252
2628499120,2cyclictest0-21swapper/200:31:052
2628499120,2cyclictest0-21swapper/200:05:172
2628499120,11cyclictest9957-21diskmemload21:43:372
2628499120,11cyclictest0-21swapper/222:24:272
2628499120,11cyclictest0-21swapper/222:15:382
2628499120,11cyclictest0-21swapper/222:10:172
2628499120,11cyclictest0-21swapper/221:45:132
2628499120,11cyclictest0-21swapper/220:25:202
2628399129,2cyclictest207150irq/24-eth121:25:161
2628399129,2cyclictest0-21swapper/123:36:311
2628399129,2cyclictest0-21swapper/122:25:431
2628399129,2cyclictest0-21swapper/120:35:181
2628399127,3cyclictest0-21swapper/120:10:141
2628399127,3cyclictest0-21swapper/119:25:141
2628399121,9cyclictest14348-21cut20:00:001
2628399121,6cyclictest0-21swapper/121:10:011
2628399121,3cyclictest0-21swapper/119:10:161
2628399120,2cyclictest0-21swapper/123:07:211
2628399120,2cyclictest0-21swapper/120:20:521
2628399120,11cyclictest0-21swapper/122:00:221
2628399120,11cyclictest0-21swapper/120:55:161
2628399120,11cyclictest0-21swapper/120:31:051
2628299129,2cyclictest0-21swapper/021:01:050
2628299129,2cyclictest0-21swapper/020:15:160
2628299129,2cyclictest0-21swapper/020:11:050
2628299120,11cyclictest0-21swapper/022:40:180
2628299120,11cyclictest0-21swapper/020:40:150
2628599110,2cyclictest0-21swapper/323:45:493
2628499118,2cyclictest0-21swapper/221:25:022
2628499112,7cyclictest0-21swapper/220:09:592
2628499112,6cyclictest0-21swapper/220:45:012
2628499111,6cyclictest0-21swapper/219:11:022
2628499110,2cyclictest27763-21ssh22:32:072
2628499110,2cyclictest0-21swapper/223:50:212
2628499110,2cyclictest0-21swapper/223:05:052
2628499110,2cyclictest0-21swapper/222:50:422
2628499110,2cyclictest0-21swapper/222:35:012
2628499110,10cyclictest0-21swapper/220:11:002
2628399118,2cyclictest0-21swapper/120:40:121
2628399111,8cyclictest0-21swapper/119:46:051
2628299118,2cyclictest6224-21kworker/u8:221:07:050
2628299118,2cyclictest26659-21kworker/u8:119:30:050
2628299118,2cyclictest10331-21kworker/u8:020:20:050
2628299118,2cyclictest0-21swapper/020:00:130
2628299118,2cyclictest0-21swapper/019:26:020
2628299118,2cyclictest0-21swapper/019:24:440
2628299118,2cyclictest0-21swapper/019:15:190
2628299110,7cyclictest0-21swapper/020:25:040
2628299110,3cyclictest0-21swapper/019:45:000
2628299110,10cyclictest0-21swapper/019:35:120
2628499105,3cyclictest26497-21aten2.4_r3power20:30:132
2628499105,3cyclictest2368-21fschecks_count20:50:152
2628499105,3cyclictest19220-21which22:56:062
2628499105,3cyclictest10258-21grep19:49:592
2628499105,3cyclictest0-21swapper/221:06:282
2628499100,2cyclictest0-21swapper/223:41:502
2628399101,7cyclictest0-21swapper/120:25:511
2628299107,2cyclictest0-21swapper/020:54:180
2628299107,2cyclictest0-21swapper/019:45:560
262859994,4cyclictest0-21swapper/319:40:513
262859994,3cyclictest2850-21rsyslogd20:12:243
262859993,5cyclictest0-21swapper/320:31:033
262849994,3cyclictest4095-21aten2.4_r3power20:55:132
262849994,3cyclictest32472-21basename20:45:142
262839994,3cyclictest6491-21telnet19:40:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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