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2026-05-13 - 05:10

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 Wed May 13, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22467211995,19sleep00-21swapper/019:09:250
22408211194,11sleep30-21swapper/319:08:393
21763210180,16sleep20-21swapper/219:05:382
2230329988,6sleep10-21swapper/119:07:181
46512660,1sleep011-21rcuc/023:28:270
2254499289,17cyclictest0-21swapper/221:30:122
115852260,4sleep22254499cyclictest21:15:132
46382230,0sleep20-21swapper/200:03:332
51432220,0sleep30-21swapper/321:43:083
2254399221,19cyclictest0-21swapper/121:50:111
22543992117,2cyclictest0-21swapper/123:10:131
2254399211,18cyclictest0-21swapper/119:55:111
22542992118,2cyclictest0-21swapper/020:20:120
2254599200,18cyclictest0-21swapper/322:20:123
22544992016,3cyclictest0-21swapper/220:20:122
124172200,1sleep00-21swapper/021:50:270
2254399191,16cyclictest6362-21diskmemload23:05:101
93892180,0sleep10-21swapper/122:22:511
22545991815,2cyclictest19072-21kworker/u8:223:49:043
22545991813,3cyclictest5634-21turbostat22:55:003
22544991815,2cyclictest4247-21kworker/u8:021:47:052
22544991815,2cyclictest15185-21kworker/u8:023:18:012
2254499181,15cyclictest0-21swapper/223:58:042
22545991714,2cyclictest24859-21kworker/u8:123:04:013
22545991714,2cyclictest24766-21kworker/u8:020:50:013
22545991714,2cyclictest15185-21kworker/u8:023:24:043
22544991714,2cyclictest22854-21kworker/u8:019:13:042
22544991714,2cyclictest14762-21kworker/u8:020:12:042
22544991714,2cyclictest14241-21kworker/u8:022:07:042
22544991714,2cyclictest13229-21kworker/u8:221:20:052
2254399171,14cyclictest15922-21ssh22:30:121
2254299173,12cyclictest0-21swapper/021:30:120
22545991613,2cyclictest31992-21kworker/u8:123:39:053
22545991613,2cyclictest28841-21kworker/u8:019:36:043
22545991613,2cyclictest28658-21kworker/u8:122:10:043
22545991613,2cyclictest20331-21kworker/u8:219:10:013
22545991612,2cyclictest22172-21kworker/u8:123:12:053
22545991612,2cyclictest0-21swapper/322:06:013
2254599161,13cyclictest0-21swapper/323:56:023
2254599160,14cyclictest0-21swapper/321:11:313
2254599160,11cyclictest0-21swapper/319:22:043
2254499161,3cyclictest19484-21gpgv23:10:002
22544991613,2cyclictest4637-21kworker/u8:219:46:042
22544991613,2cyclictest28841-21kworker/u8:019:34:022
22544991613,2cyclictest23129-21kworker/u8:121:28:042
22544991613,2cyclictest19254-21kworker/u8:222:00:042
22544991613,2cyclictest19072-21kworker/u8:223:48:042
22544991613,2cyclictest18829-21kworker/u8:220:43:042
2254499160,2cyclictest0-21swapper/222:14:022
2254399161,3cyclictest0-21swapper/121:05:101
2254399161,13cyclictest6362-21diskmemload21:40:101
22543991611,3cyclictest0-21swapper/122:36:041
22545991512,2cyclictest8204-21kworker/u8:019:58:013
22545991512,2cyclictest31992-21kworker/u8:123:27:043
22545991512,2cyclictest24859-21kworker/u8:122:44:043
22545991512,2cyclictest19254-21kworker/u8:222:34:013
22545991512,2cyclictest13409-21kworker/u8:023:50:053
22545991512,2cyclictest12471-21kworker/u8:122:28:043
22545991512,2cyclictest10743-21kworker/u8:120:32:023
22545991512,2cyclictest10743-21kworker/u8:120:17:043
2254599151,12cyclictest500-21ssh22:49:083
22545991511,2cyclictest31992-21kworker/u8:123:40:053
2254599150,3cyclictest0-21swapper/300:05:013
2254599150,13cyclictest19326-21ssh21:58:523
2254499153,2cyclictest2703-21ssh23:26:022
22544991512,2cyclictest29743-21kworker/u8:221:51:042
22544991512,2cyclictest29743-21kworker/u8:221:38:042
22544991512,2cyclictest28841-21kworker/u8:019:44:052
22544991512,2cyclictest28841-21kworker/u8:019:38:042
22544991512,2cyclictest27547-21kworker/u8:000:39:042
22544991512,2cyclictest2553-21kworker/u8:021:08:042
22544991512,2cyclictest24859-21kworker/u8:123:03:052
22544991512,2cyclictest24766-21kworker/u8:020:46:052
22544991512,2cyclictest20331-21kworker/u8:219:17:052
22544991512,2cyclictest19254-21kworker/u8:222:33:042
22544991512,2cyclictest13409-21kworker/u8:023:50:022
2254499151,12cyclictest28558-21diskmemload22:44:172
2254499151,12cyclictest24127-21apt-get00:25:122
2254499150,10cyclictest0-21swapper/200:17:052
22543991510,3cyclictest0-21swapper/121:35:191
2254399150,3cyclictest2548-21pzem_voltage23:25:511
2254399150,3cyclictest0-21swapper/121:56:011
2254399150,13cyclictest30060-21munin-node1
2254399150,13cyclictest0-21swapper/122:43:311
2254299152,8cyclictest28624-21copy23:55:000
2254299152,7cyclictest0-21swapper/019:55:000
2254599149,4cyclictest13403-21ssh21:51:283
2254599147,5cyclictest0-21swapper/300:36:013
2254599146,6cyclictest0-21swapper/320:40:583
22545991411,2cyclictest9319-21kworker/u8:121:48:023
22545991411,2cyclictest8204-21kworker/u8:019:54:043
22545991411,2cyclictest5839-21apt-get23:30:113
22545991411,2cyclictest4637-21kworker/u8:220:06:053
22545991411,2cyclictest30137-21kworker/u8:100:22:053
22545991411,2cyclictest28841-21kworker/u8:019:41:053
22545991411,2cyclictest27547-21kworker/u8:000:34:043
22545991411,2cyclictest24859-21kworker/u8:122:55:043
22545991411,2cyclictest23129-21kworker/u8:121:34:053
22545991411,2cyclictest19254-21kworker/u8:222:19:043
22545991411,2cyclictest13229-21kworker/u8:221:18:013
22545991411,2cyclictest0-21swapper/321:28:113
22545991411,2cyclictest0-21swapper/300:28:423
22544991411,2cyclictest8204-21kworker/u8:019:53:042
22544991411,2cyclictest6362-21diskmemload23:24:242
22544991411,2cyclictest4247-21kworker/u8:021:43:042
22544991411,2cyclictest27547-21kworker/u8:000:32:042
22544991411,2cyclictest2553-21kworker/u8:021:02:042
22544991411,2cyclictest24859-21kworker/u8:122:45:042
22544991411,2cyclictest19254-21kworker/u8:222:15:042
22544991411,2cyclictest0-21swapper/222:23:252
2254499140,9cyclictest0-21swapper/223:41:042
2254499140,9cyclictest0-21swapper/219:57:052
2254499140,2cyclictest0-21swapper/223:31:242
2254499140,2cyclictest0-21swapper/222:37:352
2254499140,12cyclictest0-21swapper/223:35:542
2254499140,12cyclictest0-21swapper/200:20:052
2254499140,10cyclictest0-21swapper/220:08:052
2254499140,10cyclictest0-21swapper/200:12:042
2254399149,3cyclictest0-21swapper/100:15:191
2254399142,7cyclictest6362-21diskmemload21:30:001
22543991411,2cyclictest0-21swapper/122:17:201
22543991411,2cyclictest0-21swapper/121:19:401
22543991411,2cyclictest0-21swapper/100:34:201
22543991411,2cyclictest0-21swapper/100:10:101
2254399141,11cyclictest0-21swapper/123:15:511
2254399140,3cyclictest0-21swapper/123:40:331
2254399140,2cyclictest0-21swapper/123:52:011
2254399140,13cyclictest0-21swapper/123:37:401
2254399140,13cyclictest0-21swapper/122:57:401
2254299142,6cyclictest0-21swapper/021:25:000
2254299142,6cyclictest0-21swapper/019:39:590
2254299142,6cyclictest0-21swapper/000:30:000
2254299142,6cyclictest0-21swapper/000:20:000
2254299141,11cyclictest0-21swapper/000:30:150
2254299140,12cyclictest16832-21cpu20:15:120
2254299140,12cyclictest0-21swapper/022:40:000
2254299140,12cyclictest0-21swapper/022:25:160
238312130,2sleep023841-21ssh22:03:480
22545991310,2cyclictest28471-21kworker/u8:120:45:043
22545991310,2cyclictest20331-21kworker/u8:219:18:023
22545991310,2cyclictest19072-21kworker/u8:200:05:043
22545991310,2cyclictest18829-21kworker/u8:220:23:043
22545991310,2cyclictest14241-21kworker/u8:022:03:043
22545991310,2cyclictest13561-21kworker/u8:200:14:043
22545991310,2cyclictest10743-21kworker/u8:120:04:043
22545991310,2cyclictest0-21swapper/323:08:333
22545991310,2cyclictest0-21swapper/320:25:163
22545991310,2cyclictest0-21swapper/300:16:233
2254599130,9cyclictest0-21swapper/319:27:043
2254599130,12cyclictest0-21swapper/319:30:173
22544991310,2cyclictest6256-21ssh00:05:142
22544991310,2cyclictest20331-21kworker/u8:219:20:042
22544991310,2cyclictest10743-21kworker/u8:120:28:012
2254499130,2cyclictest0-21swapper/222:56:052
2254499130,2cyclictest0-21swapper/221:57:442
2254499130,12cyclictest0-21swapper/222:25:442
2254499130,12cyclictest0-21swapper/221:13:442
2254399131,10cyclictest15906-21munin-node1
2254399131,10cyclictest0-21swapper/121:11:051
22543991310,2cyclictest0-21swapper/123:01:511
22543991310,2cyclictest0-21swapper/122:53:301
22543991310,2cyclictest0-21swapper/121:45:321
22543991310,2cyclictest0-21swapper/119:31:021
2254399130,2cyclictest0-21swapper/122:26:441
2254399130,2cyclictest0-21swapper/122:00:201
2254399130,2cyclictest0-21swapper/119:25:171
2254399130,2cyclictest0-21swapper/100:28:361
2254399130,2cyclictest0-21swapper/100:05:111
2254399130,2cyclictest0-21swapper/100:00:101
2254399130,12cyclictest0-21swapper/123:33:501
2254399130,12cyclictest0-21swapper/122:10:111
2254399130,11cyclictest0-21swapper/123:21:221
2254399130,11cyclictest0-21swapper/122:06:141
2254399130,11cyclictest0-21swapper/120:55:491
2254399130,11cyclictest0-21swapper/120:25:401
2254399130,11cyclictest0-21swapper/119:35:391
2254399130,11cyclictest0-21swapper/100:35:291
2254299132,6cyclictest0-21swapper/022:45:000
2254299132,6cyclictest0-21swapper/019:25:010
2254299131,7cyclictest0-21swapper/019:15:000
2254299130,2cyclictest0-21swapper/020:35:160
2254299130,11cyclictest0-21swapper/022:30:050
2254299130,11cyclictest0-21swapper/021:11:050
2254299130,11cyclictest0-21swapper/020:01:020
119652130,2sleep011975-21ssh23:00:590
304692120,1sleep00-21swapper/023:20:510
289152120,2sleep00-21swapper/022:09:400
2254599129,2cyclictest28471-21kworker/u8:121:00:043
2254599129,2cyclictest28471-21kworker/u8:120:55:053
2254599129,2cyclictest0-21swapper/323:16:123
2254599129,2cyclictest0-21swapper/322:35:003
2254599129,2cyclictest0-21swapper/321:20:533
2254599120,2cyclictest0-21swapper/321:37:043
2254599120,2cyclictest0-21swapper/319:46:013
2254499122,6cyclictest0-21swapper/220:01:002
2254499120,2cyclictest0-21swapper/222:50:082
2254499120,2cyclictest0-21swapper/220:36:042
2254499120,11cyclictest0-21swapper/223:10:342
2254499120,11cyclictest0-21swapper/219:25:042
2254399129,2cyclictest0-21swapper/120:25:011
2254399129,2cyclictest0-21swapper/119:10:151
2254399127,3cyclictest30804-21munin-node1
2254399121,3cyclictest0-21swapper/100:20:181
2254399120,2cyclictest0-21swapper/120:01:001
2254399120,11cyclictest0-21swapper/123:48:001
2254399120,11cyclictest0-21swapper/122:45:141
2254399120,11cyclictest0-21swapper/120:46:031
2254399120,11cyclictest0-21swapper/120:15:121
2254399120,11cyclictest0-21swapper/120:11:021
2254399120,11cyclictest0-21swapper/119:45:071
2254399120,10cyclictest26340-21ssh21:30:301
2254299129,2cyclictest0-21swapper/023:44:360
2254299123,5cyclictest0-21swapper/022:51:020
2254299122,6cyclictest0-21swapper/020:35:000
2254299121,9cyclictest3225-21ssh00:01:220
2254299121,8cyclictest0-21swapper/023:10:130
2254299120,2cyclictest0-21swapper/023:45:150
2254299120,11cyclictest0-21swapper/021:37:270
74272110,1sleep00-21swapper/022:56:010
49122110,1sleep00-21swapper/022:18:090
306682110,1sleep00-21swapper/022:10:360
2254599118,2cyclictest10743-21kworker/u8:120:35:043
2254599118,2cyclictest0-21swapper/321:05:163
2254499113,6cyclictest31490-21kernelversion20:50:162
2254499111,6cyclictest0-21swapper/220:56:282
2254499110,2cyclictest0-21swapper/220:16:042
2254399118,2cyclictest0-21swapper/119:40:001
2254399117,2cyclictest0-21swapper/119:15:131
2254399112,7cyclictest0-21swapper/119:22:581
2254399111,3cyclictest27437-21irqstats20:40:171
2254399111,3cyclictest0-21swapper/120:30:161
2254399110,3cyclictest12653-21munin-node1
2254399110,3cyclictest0-21swapper/119:50:161
2254299116,3cyclictest24970-21cut23:15:160
2254299116,3cyclictest14083-21grep20:06:020
2254299112,6cyclictest0-21swapper/021:41:580
2254299111,5cyclictest0-21swapper/021:15:000
2254299110,9cyclictest6362-21diskmemload21:26:210
2254299110,9cyclictest0-21swapper/000:05:450
2254299110,10cyclictest0-21swapper/023:07:140
45572100,1sleep00-21swapper/019:45:030
2254599107,2cyclictest0-21swapper/320:11:373
2254499100,9cyclictest0-21swapper/220:34:052
2254399100,8cyclictest0-21swapper/120:35:131
2254299107,2cyclictest0-21swapper/021:45:230
2254299106,2cyclictest0-21swapper/019:35:130
2254299105,3cyclictest6597-21grep23:30:160
2254299105,3cyclictest29825-21fschecks_time22:45:140
2254299102,6cyclictest0-21swapper/023:40:000
2254299102,5cyclictest0-21swapper/020:57:580
2254299100,8cyclictest274-21jbd2/sda1-820:40:200
2254299100,6cyclictest0-21swapper/019:26:090
2254299100,2cyclictest0-21swapper/023:59:120
225439990,7cyclictest0-21swapper/121:00:111
225429996,2cyclictest0-21swapper/021:56:000
225429994,3cyclictest9413-21cat19:55:170
225429994,3cyclictest752-21aten2.4_r3power00:35:130
225429994,3cyclictest6632-21tr22:20:120
225429994,3cyclictest6444-21cat21:10:000
225429994,3cyclictest29034-21cpuspeed_turbos20:45:130
225429994,3cyclictest20863-21sh00:20:510
225429994,3cyclictest20709-21munin-node0
225429994,3cyclictest14697-21telnet20:10:140
225429994,3cyclictest10444-21aten2.4_r3power00:10:150
225429992,4cyclictest0-21swapper/019:19:010
225429991,6cyclictest0-21swapper/021:01:280
225429990,4cyclictest0-21swapper/019:35:010
225429983,3cyclictest31106-21cpuspeed_turbos20:50:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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