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2026-05-08 - 02:47

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 Fri May 08, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2157211795,16sleep00-21swapper/019:07:060
1623211295,12sleep20-21swapper/219:05:362
1663210588,12sleep10-21swapper/119:05:551
571210485,12sleep30-21swapper/319:05:053
147292780,0sleep10-21swapper/100:00:211
327492750,0sleep20-21swapper/220:25:122
241299360,18cyclictest0-21swapper/121:15:101
241499341,15cyclictest22999-21sh21:15:103
109382340,0sleep20-21swapper/223:56:052
241499330,2cyclictest0-21swapper/321:50:123
241299320,18cyclictest0-21swapper/121:35:111
2412993114,15cyclictest0-21swapper/121:20:101
85412290,0sleep30-21swapper/320:45:123
241199280,26cyclictest0-21swapper/019:30:110
56822230,1sleep2301ktimersoftd/221:30:392
241199220,20cyclictest0-21swapper/019:50:110
2412992110,2cyclictest27576-21apt-get23:40:111
2412992110,2cyclictest27576-21apt-get23:40:111
241499200,2cyclictest0-21swapper/321:35:113
2412992011,2cyclictest0-21swapper/122:10:131
241299200,2cyclictest0-21swapper/100:25:111
247352190,1sleep124739-21aten2.4_r3power20:05:111
241399191,16cyclictest0-21swapper/221:44:042
241299191,10cyclictest18025-21diskmemload22:25:091
2413991815,2cyclictest6370-21kworker/u8:120:06:042
2413991815,2cyclictest30696-21kworker/u8:020:30:042
2413991815,2cyclictest27608-21kworker/u8:222:34:052
2413991815,2cyclictest2324-21kworker/u8:121:11:042
2413991815,2cyclictest20122-21kworker/u8:022:07:042
2413991815,2cyclictest13055-21kworker/u8:219:55:042
2413991815,2cyclictest11951-21kworker/u8:222:53:042
2413991815,2cyclictest10179-21kworker/u8:221:39:042
241399181,2cyclictest20122-21kworker/u8:022:02:042
241199180,13cyclictest0-21swapper/022:47:040
241199180,13cyclictest0-21swapper/022:22:010
168702180,0sleep00-21swapper/023:28:100
63712170,1sleep10-21swapper/121:31:061
241499171,3cyclictest0-21swapper/321:00:143
2414991712,3cyclictest14270-21hddtemp_smartct23:25:153
241399172,2cyclictest0-21swapper/220:56:012
2413991714,2cyclictest6370-21kworker/u8:120:10:042
2413991714,2cyclictest31292-21kworker/u8:023:54:052
2413991714,2cyclictest2324-21kworker/u8:121:23:042
2413991714,2cyclictest22204-21kworker/u8:021:26:042
2413991714,2cyclictest20122-21kworker/u8:021:58:052
2413991714,2cyclictest13055-21kworker/u8:219:48:042
241299172,6cyclictest0-21swapper/119:40:001
241499161,13cyclictest8626-21apt-get19:25:063
2413991613,2cyclictest8914-21kworker/u8:122:29:042
2413991613,2cyclictest6835-21kworker/u8:122:42:052
2413991613,2cyclictest6370-21kworker/u8:120:15:042
2413991613,2cyclictest6370-21kworker/u8:119:28:042
2413991613,2cyclictest29550-21kworker/u8:200:37:042
2413991613,2cyclictest29550-21kworker/u8:200:34:012
2413991613,2cyclictest16857-21kworker/u8:023:37:042
2413991613,2cyclictest16113-21kworker/u8:100:12:042
2413991613,2cyclictest13055-21kworker/u8:219:51:042
241399161,13cyclictest0-21swapper/219:40:112
2413991611,3cyclictest0-21swapper/219:25:002
241399160,14cyclictest0-21swapper/222:55:042
241399160,14cyclictest0-21swapper/222:14:012
241199160,6cyclictest0-21swapper/023:38:040
2414991510,3cyclictest0-21swapper/320:10:153
2413991512,2cyclictest31292-21kworker/u8:023:44:042
2413991512,2cyclictest31292-21kworker/u8:023:44:042
2413991512,2cyclictest2463-21kworker/u8:223:21:042
2413991512,2cyclictest2324-21kworker/u8:120:45:042
2413991512,2cyclictest13055-21kworker/u8:219:37:042
2413991512,2cyclictest10677-21kworker/u8:200:05:042
241399150,14cyclictest0-21swapper/222:37:042
241399150,14cyclictest0-21swapper/222:19:042
241399150,13cyclictest0-21swapper/223:30:122
241299151,12cyclictest22551-21apt-get23:00:051
241299151,12cyclictest22244-21sh23:34:251
2412991510,3cyclictest22680-21sh21:14:591
241299150,14cyclictest0-21swapper/100:24:191
241199151,12cyclictest31029-21ssh21:23:530
241199150,14cyclictest0-21swapper/023:48:590
241199150,13cyclictest0-21swapper/021:55:280
241199150,13cyclictest0-21swapper/000:29:240
241199150,10cyclictest0-21swapper/022:36:040
112202150,0sleep00-21swapper/023:56:270
241499142,7cyclictest0-21swapper/320:20:003
241499142,7cyclictest0-21swapper/320:00:003
2414991410,2cyclictest31292-21kworker/u8:023:57:453
241499140,13cyclictest0-21swapper/323:38:253
2413991411,2cyclictest31175-21kworker/u8:219:11:042
2413991411,2cyclictest29550-21kworker/u8:200:29:042
2413991411,2cyclictest16857-21kworker/u8:023:17:042
2413991411,2cyclictest14588-21kworker/u8:221:09:042
241399141,11cyclictest0-21swapper/223:00:112
241399140,2cyclictest0-21swapper/223:13:032
241399140,2cyclictest0-21swapper/223:07:042
241399140,12cyclictest23710-21ssh21:15:162
241299141,3cyclictest0-21swapper/122:15:161
2412991411,2cyclictest0-21swapper/122:38:591
2412991411,2cyclictest0-21swapper/121:52:191
2412991410,2cyclictest0-21swapper/119:31:011
241299140,13cyclictest0-21swapper/123:09:191
241299140,12cyclictest30196-21sh00:17:331
241299140,12cyclictest21066-21ssh22:57:341
241199141,2cyclictest18025-21diskmemload00:17:230
241199140,2cyclictest0-21swapper/023:30:150
241199140,2cyclictest0-21swapper/000:33:550
241199140,13cyclictest0-21swapper/021:54:040
241199140,12cyclictest18025-21diskmemload21:11:070
241199140,12cyclictest0-21swapper/023:17:190
241199140,12cyclictest0-21swapper/023:13:280
241199140,12cyclictest0-21swapper/022:07:550
241199140,12cyclictest0-21swapper/022:01:010
241199140,12cyclictest0-21swapper/019:56:020
241499139,2cyclictest27669-21ssh22:30:053
241499139,2cyclictest19134-21munin-node3
241499131,7cyclictest0-21swapper/322:55:003
2414991310,2cyclictest7594-21ssh22:43:153
2414991310,2cyclictest18025-21diskmemload00:17:053
2414991310,2cyclictest0-21swapper/322:45:103
2414991310,2cyclictest0-21swapper/321:45:163
241499130,12cyclictest0-21swapper/322:01:453
241499130,11cyclictest0-21swapper/319:40:123
241399131,3cyclictest1868-21ssh00:22:082
241399130,12cyclictest0-21swapper/223:25:162
241299132,6cyclictest0-21swapper/119:50:001
241299132,6cyclictest0-21swapper/119:45:001
241299131,3cyclictest18025-21diskmemload22:05:181
2412991310,2cyclictest0-21swapper/122:41:041
2412991310,2cyclictest0-21swapper/122:33:101
2412991310,2cyclictest0-21swapper/121:47:041
2412991310,2cyclictest0-21swapper/121:25:181
2412991310,2cyclictest0-21swapper/100:39:491
2412991310,2cyclictest0-21swapper/100:07:211
241299130,3cyclictest26462-21rm00:14:011
241299130,2cyclictest18025-21diskmemload23:36:021
241299130,2cyclictest10997-21fschecks_time20:50:141
241299130,2cyclictest0-21swapper/123:47:391
241299130,2cyclictest0-21swapper/121:58:291
241299130,2cyclictest0-21swapper/121:40:141
241299130,2cyclictest0-21swapper/120:11:021
241299130,2cyclictest0-21swapper/100:30:131
241299130,12cyclictest0-21swapper/122:47:091
241299130,12cyclictest0-21swapper/122:04:091
241299130,12cyclictest0-21swapper/120:20:141
241299130,11cyclictest18025-21diskmemload23:50:451
241299130,11cyclictest0-21swapper/123:55:021
241299130,11cyclictest0-21swapper/123:21:031
241299130,11cyclictest0-21swapper/119:20:191
241199131,10cyclictest19599-21ssh22:55:460
2411991310,2cyclictest0-21swapper/023:08:280
2411991310,2cyclictest0-21swapper/022:50:050
2411991310,2cyclictest0-21swapper/022:17:150
2411991310,2cyclictest0-21swapper/019:41:000
2411991310,2cyclictest0-21swapper/000:23:310
2411991310,2cyclictest0-21swapper/000:05:430
241199130,2cyclictest25028-21ssh22:26:050
241199130,2cyclictest18025-21diskmemload22:32:090
241199130,2cyclictest0-21swapper/023:00:440
241199130,2cyclictest0-21swapper/021:47:350
241199130,2cyclictest0-21swapper/021:40:550
241199130,2cyclictest0-21swapper/020:30:010
241199130,2cyclictest0-21swapper/000:13:080
241199130,12cyclictest0-21swapper/023:52:250
241199130,12cyclictest0-21swapper/023:20:450
241199130,12cyclictest0-21swapper/021:35:450
241199130,12cyclictest0-21swapper/021:31:290
241199130,12cyclictest0-21swapper/021:16:490
241199130,12cyclictest0-21swapper/020:35:170
241199130,12cyclictest0-21swapper/020:35:170
241199130,12cyclictest0-21swapper/000:01:350
241199130,11cyclictest5844-21ssh22:40:250
241199130,11cyclictest0-21swapper/020:09:060
73532120,2sleep30-21swapper/300:28:143
241499129,2cyclictest0-21swapper/323:11:253
241499129,2cyclictest0-21swapper/322:36:053
241499129,2cyclictest0-21swapper/321:41:453
241499129,2cyclictest0-21swapper/319:20:153
241499129,2cyclictest0-21swapper/300:34:553
241499128,2cyclictest0-21swapper/323:00:053
241499122,7cyclictest0-21swapper/322:18:593
241499122,6cyclictest0-21swapper/320:35:003
241499120,2cyclictest0-21swapper/300:35:053
241499120,2cyclictest0-21swapper/300:10:353
241499120,11cyclictest0-21swapper/323:50:113
241499120,11cyclictest0-21swapper/323:20:123
241499120,11cyclictest0-21swapper/322:25:293
241499120,11cyclictest0-21swapper/321:32:333
241499120,11cyclictest0-21swapper/320:05:143
241499120,11cyclictest0-21swapper/300:22:553
241499120,10cyclictest0-21swapper/321:28:253
241399129,2cyclictest23096-21kworker/u8:020:03:042
241399129,2cyclictest0-21swapper/222:45:452
241399129,2cyclictest0-21swapper/222:22:362
241399129,2cyclictest0-21swapper/200:03:462
241399120,2cyclictest0-21swapper/220:50:042
241399120,11cyclictest0-21swapper/223:46:562
241399120,11cyclictest0-21swapper/221:49:062
241399120,11cyclictest0-21swapper/219:17:042
241299129,2cyclictest0-21swapper/123:11:321
241299129,2cyclictest0-21swapper/122:20:351
241299129,2cyclictest0-21swapper/120:15:191
241299129,2cyclictest0-21swapper/119:10:401
241299128,2cyclictest0-21swapper/123:25:051
241299122,8cyclictest0-21swapper/120:25:171
241299121,9cyclictest0-21swapper/119:56:011
241299120,2cyclictest0-21swapper/123:15:511
241299120,11cyclictest0-21swapper/122:50:511
241299120,11cyclictest0-21swapper/119:25:501
241199120,2cyclictest0-21swapper/021:27:370
241199120,2cyclictest0-21swapper/020:00:280
241199120,11cyclictest0-21swapper/023:40:090
241199120,11cyclictest0-21swapper/023:40:090
241199120,11cyclictest0-21swapper/022:10:140
241199120,11cyclictest0-21swapper/020:50:180
241199120,11cyclictest0-21swapper/019:46:010
241199120,11cyclictest0-21swapper/019:35:140
241199120,11cyclictest0-21swapper/000:35:170
213692120,2sleep30-21swapper/321:12:493
314192110,2sleep30-21swapper/323:09:263
241499118,2cyclictest0-21swapper/323:46:103
241499118,2cyclictest0-21swapper/321:23:593
241499116,3cyclictest20335-21grep22:21:043
241499111,6cyclictest0-21swapper/321:00:003
241499110,9cyclictest0-21swapper/323:16:033
241499110,2cyclictest0-21swapper/321:56:493
241499110,2cyclictest0-21swapper/300:06:203
241499110,1cyclictest0-21swapper/322:06:043
241499110,10cyclictest0-21swapper/323:44:553
241499110,10cyclictest0-21swapper/323:44:553
241499110,10cyclictest0-21swapper/322:14:413
241399118,2cyclictest0-21swapper/221:00:122
241399110,3cyclictest0-21swapper/219:32:042
241399110,1cyclictest0-21swapper/200:19:262
241299118,2cyclictest0-21swapper/120:55:281
241299117,2cyclictest16927-21munin-node1
241299117,2cyclictest14518-21munin-node1
241299116,3cyclictest7902-21head20:41:021
241299111,6cyclictest0-21swapper/120:50:001
241299111,2cyclictest4419-21apt-get20:35:101
241299111,2cyclictest4419-21apt-get20:35:101
241299111,2cyclictest16530-21apt-get21:05:121
241299110,3cyclictest2254-21munin-node1
241299110,3cyclictest0-21swapper/119:15:211
241299110,2cyclictest0-21swapper/120:00:101
241199118,2cyclictest0-21swapper/019:25:050
241199118,2cyclictest0-21swapper/019:15:180
241199110,10cyclictest31175-21kworker/u8:219:22:040
241499107,2cyclictest0-21swapper/320:35:133
241499107,2cyclictest0-21swapper/320:35:133
241499107,2cyclictest0-21swapper/319:30:153
241499105,3cyclictest8352-21sort20:45:003
241499105,3cyclictest14691-21munin-run19:40:003
241499102,7cyclictest0-21swapper/320:27:593
241499102,6cyclictest0-21swapper/300:00:013
241399106,2cyclictest18025-21diskmemload21:51:042
241399105,3cyclictest32075-21grep20:21:032
241199107,2cyclictest0-21swapper/020:10:020
241199105,4cyclictest0-21swapper/020:22:040
241199102,6cyclictest0-21swapper/021:06:570
241199100,7cyclictest0-21swapper/020:18:590
24149996,2cyclictest10487-21apt20:50:123
24149994,3cyclictest3728-21runrttasks21:09:393
24149994,3cyclictest2926-21cpuspeed_turbos19:10:133
24149994,3cyclictest19712-21missed_timers19:50:163
24149994,3cyclictest17183-21cut19:45:143
24149991,3cyclictest0-21swapper/322:55:163
24149990,7cyclictest0-21swapper/320:00:123
24139994,3cyclictest6505-21aten2.4_r3power20:40:112
24139994,3cyclictest4958-21fschecks_time20:35:132
24139994,3cyclictest4958-21fschecks_time20:35:132
24119996,2cyclictest10523-21kworker/u8:020:56:010
24119996,2cyclictest0-21swapper/021:00:480
24119996,2cyclictest0-21swapper/020:42:070
24119994,3cyclictest9458-21processes20:45:190
24119994,3cyclictest326672sleep020:25:110
24119990,2cyclictest0-21swapper/019:11:300
24149983,3cyclictest5066-21tr19:15:153
24149983,3cyclictest31960-21timerwakeupswit20:21:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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