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2026-06-15 - 08:05

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 Mon Jun 15, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22777211189,17sleep30-21swapper/319:07:073
22980211087,18sleep00-21swapper/019:09:440
22795210989,15sleep10-21swapper/119:07:211
22833210680,6sleep20-21swapper/219:07:502
258042740,1sleep00-21swapper/020:35:170
191602740,0sleep10-21swapper/121:56:571
55652690,0sleep20-21swapper/221:42:302
252062690,0sleep00-21swapper/023:48:590
23029993617,18cyclictest0-21swapper/121:05:111
198252250,0sleep10-21swapper/121:23:301
2303199221,19cyclictest21328-21ssh22:35:103
2302999222,16cyclictest0-21swapper/120:18:041
2303199210,19cyclictest0-21swapper/320:15:133
2302999211,2cyclictest0-21swapper/119:25:081
2302999211,15cyclictest0-21swapper/122:53:051
2302999210,19cyclictest0-21swapper/123:25:111
2302999203,9cyclictest0-21swapper/119:42:051
2302999200,4cyclictest0-21swapper/121:17:041
2302999200,4cyclictest0-21swapper/119:55:051
23030991916,2cyclictest3188-21kworker/u8:100:12:042
2303099190,2cyclictest0-21swapper/221:05:112
2302999192,16cyclictest0-21swapper/123:24:041
2302999190,4cyclictest0-21swapper/121:12:061
2302999190,4cyclictest0-21swapper/100:28:041
2302999190,3cyclictest0-21swapper/121:47:051
2302999190,3cyclictest0-21swapper/121:47:051
2302999190,3cyclictest0-21swapper/120:12:051
2302999190,3cyclictest0-21swapper/119:14:051
2302999190,2cyclictest0-21swapper/122:25:111
2302999190,14cyclictest0-21swapper/123:03:051
43402180,0sleep00-21swapper/000:00:330
23030991815,2cyclictest25273-21kworker/u8:220:40:042
2302999182,2cyclictest0-21swapper/123:34:061
2302999182,2cyclictest0-21swapper/122:22:041
2302999182,2cyclictest0-21swapper/119:15:051
2302999181,15cyclictest0-21swapper/123:10:001
2302999180,3cyclictest0-21swapper/123:42:061
2302999180,3cyclictest0-21swapper/121:40:041
2302999180,3cyclictest0-21swapper/119:37:051
2302999180,3cyclictest0-21swapper/100:39:041
23030991714,2cyclictest435-21kworker/u8:020:03:042
23030991714,2cyclictest435-21kworker/u8:019:58:022
23030991714,2cyclictest21261-21kworker/u8:020:26:052
23030991714,2cyclictest16955-21kworker/u8:223:10:042
23030991713,2cyclictest12135-21ssh22:25:112
23030991712,3cyclictest0-21swapper/220:49:552
23029991714,2cyclictest23325-21kworker/u8:021:33:041
2302999171,2cyclictest0-21swapper/123:54:021
2302999170,4cyclictest0-21swapper/122:30:051
2302999170,3cyclictest0-21swapper/120:56:051
167412170,1sleep20-21swapper/222:30:122
2303199161,13cyclictest25923-21iostat_ios19:15:163
23031991611,3cyclictest0-21swapper/323:05:163
2303199160,14cyclictest0-21swapper/323:35:063
23030991613,2cyclictest29418-21kworker/u8:123:17:052
23030991613,2cyclictest28349-21kworker/u8:219:40:052
23030991613,2cyclictest28349-21kworker/u8:219:33:052
23030991613,2cyclictest25273-21kworker/u8:220:37:052
23030991613,2cyclictest23325-21kworker/u8:021:34:062
23030991613,2cyclictest21261-21kworker/u8:020:52:042
23030991613,2cyclictest16955-21kworker/u8:223:07:052
23030991613,2cyclictest15884-21kworker/u8:023:40:052
2303099161,2cyclictest0-21swapper/200:34:062
23030991612,3cyclictest21261-21kworker/u8:020:31:052
2303099160,14cyclictest0-21swapper/222:41:052
2302999162,2cyclictest0-21swapper/123:14:041
2302999161,2cyclictest0-21swapper/121:25:051
23028991613,2cyclictest29418-21kworker/u8:123:18:050
2303199151,3cyclictest3605-21irqstats19:40:163
2303199151,2cyclictest30751-21apt-get23:55:113
23031991510,3cyclictest16768-21aten2.4_r3power22:30:133
23031991510,3cyclictest15442-21runrttasks00:12:553
2303199150,13cyclictest26535-21fschecks_time22:40:133
23030991512,2cyclictest30053-21kworker/u8:200:37:042
23030991512,2cyclictest29418-21kworker/u8:122:47:042
23030991512,2cyclictest29382-21kworker/u8:223:55:052
23030991512,2cyclictest28349-21kworker/u8:220:22:052
23030991512,2cyclictest28349-21kworker/u8:219:51:042
23030991512,2cyclictest22190-21kworker/u8:000:29:042
2303099150,9cyclictest0-21swapper/223:49:042
2303099150,2cyclictest0-21swapper/222:08:042
2303099150,13cyclictest0-21swapper/223:32:292
2303099150,13cyclictest0-21swapper/222:52:052
2303099150,13cyclictest0-21swapper/219:45:152
2303099150,10cyclictest0-21swapper/222:03:052
2303099150,10cyclictest0-21swapper/222:03:042
2302999151,2cyclictest0-21swapper/100:30:061
23029991512,2cyclictest23-21ksoftirqd/122:10:121
2302999151,12cyclictest7238-21apt-get22:55:071
2302999151,12cyclictest0-21swapper/100:19:301
2302999150,2cyclictest0-21swapper/120:07:051
23028991512,2cyclictest3188-21kworker/u8:100:34:060
23028991512,2cyclictest23716-21kworker/u8:122:08:050
2302899151,12cyclictest31537-21munin-node0
2303199149,3cyclictest16246-21rm22:29:453
2303199142,6cyclictest0-21swapper/322:25:003
23031991411,2cyclictest0-21swapper/322:15:163
2303199140,12cyclictest0-21swapper/320:29:593
23030991411,2cyclictest2816-21kworker/u8:221:26:022
23030991411,2cyclictest0-21swapper/223:26:552
23030991411,2cyclictest0-21swapper/222:58:262
23030991411,2cyclictest0-21swapper/222:37:152
23030991411,2cyclictest0-21swapper/200:00:542
23030991410,2cyclictest22334-21memory00:20:192
2303099140,2cyclictest0-21swapper/221:15:382
2303099140,13cyclictest6818-21diskmemload00:09:552
2303099140,13cyclictest0-21swapper/223:22:042
2303099140,13cyclictest0-21swapper/222:19:552
2302999140,2cyclictest0-21swapper/123:35:141
2302999140,2cyclictest0-21swapper/119:54:041
2302999140,12cyclictest6818-21diskmemload21:35:321
2302999140,12cyclictest207150irq/24-eth121:52:011
2302999140,12cyclictest0-21swapper/123:47:211
23028991411,2cyclictest23716-21kworker/u8:122:03:050
23028991411,2cyclictest23716-21kworker/u8:122:03:040
23028991411,2cyclictest20749-21ssh00:19:190
23028991411,2cyclictest0-21swapper/023:29:290
23028991411,2cyclictest0-21swapper/020:21:010
23028991411,2cyclictest0-21swapper/019:40:490
2302899140,12cyclictest15769-21ssh23:03:500
2302899140,12cyclictest0-21swapper/023:50:320
2302899140,12cyclictest0-21swapper/021:51:070
2303199139,2cyclictest24959-21munin-run20:35:003
2303199138,3cyclictest0-21swapper/323:01:563
2303199132,6cyclictest6818-21diskmemload00:20:013
2303199132,6cyclictest0-21swapper/319:15:003
2303199131,10cyclictest0-21swapper/323:34:373
23031991310,2cyclictest0-21swapper/319:30:193
23031991310,2cyclictest0-21swapper/319:25:123
2303199130,2cyclictest0-21swapper/322:01:353
2303199130,2cyclictest0-21swapper/322:01:343
2303199130,2cyclictest0-21swapper/300:25:153
2303199130,12cyclictest0-21swapper/300:30:163
2303199130,11cyclictest0-21swapper/323:40:133
2303199130,11cyclictest0-21swapper/321:20:343
23030991310,2cyclictest0-21swapper/223:01:162
23030991310,2cyclictest0-21swapper/222:20:462
23030991310,2cyclictest0-21swapper/221:45:392
23030991310,2cyclictest0-21swapper/221:45:382
23030991310,2cyclictest0-21swapper/221:11:042
23030991310,2cyclictest0-21swapper/221:00:182
2303099130,3cyclictest12013-21ssh21:50:072
2303099130,2cyclictest0-21swapper/223:50:162
2303099130,2cyclictest0-21swapper/219:15:182
2303099130,12cyclictest0-21swapper/223:34:592
2303099130,12cyclictest0-21swapper/222:11:562
2303099130,12cyclictest0-21swapper/221:56:352
2303099130,12cyclictest0-21swapper/221:38:082
2303099130,12cyclictest0-21swapper/221:20:052
2303099130,12cyclictest0-21swapper/219:12:012
2303099130,12cyclictest0-21swapper/200:16:382
2302999132,6cyclictest0-21swapper/120:39:591
2302999131,10cyclictest0-21swapper/120:35:001
2302999131,10cyclictest0-21swapper/120:25:111
23029991310,2cyclictest0-21swapper/122:04:021
23029991310,2cyclictest0-21swapper/122:04:011
23029991310,2cyclictest0-21swapper/100:10:001
23029991310,2cyclictest0-21swapper/100:04:311
2302999130,2cyclictest0-21swapper/123:17:201
2302999130,2cyclictest0-21swapper/120:35:511
2302999130,12cyclictest0-21swapper/122:16:041
23028991310,2cyclictest9145-21kworker/u8:123:35:040
23028991310,2cyclictest30641-21kworker/u8:222:41:050
23028991310,2cyclictest21261-21kworker/u8:020:33:040
23028991310,2cyclictest0-21swapper/023:57:140
23028991310,2cyclictest0-21swapper/023:31:040
23028991310,2cyclictest0-21swapper/023:20:100
23028991310,2cyclictest0-21swapper/022:55:040
23028991310,2cyclictest0-21swapper/022:23:320
23028991310,2cyclictest0-21swapper/021:57:470
23028991310,2cyclictest0-21swapper/000:05:200
2302899130,2cyclictest0-21swapper/023:43:590
2302899130,2cyclictest0-21swapper/022:33:200
2302899130,2cyclictest0-21swapper/000:20:200
2302899130,12cyclictest0-21swapper/023:12:590
2302899130,12cyclictest0-21swapper/022:50:200
2302899130,12cyclictest0-21swapper/022:16:200
2302899130,12cyclictest0-21swapper/021:46:210
2302899130,12cyclictest0-21swapper/021:46:210
2302899130,12cyclictest0-21swapper/021:43:260
2302899130,12cyclictest0-21swapper/021:36:030
2302899130,12cyclictest0-21swapper/000:35:100
2302899130,12cyclictest0-21swapper/000:11:100
217842130,2sleep10-21swapper/122:35:141
276162120,2sleep10-21swapper/122:06:041
2303199129,2cyclictest0-21swapper/323:15:453
2303199129,2cyclictest0-21swapper/322:54:033
2303199129,2cyclictest0-21swapper/320:05:163
2303199129,2cyclictest0-21swapper/300:07:363
2303199123,6cyclictest0-21swapper/321:06:023
2303199122,7cyclictest0-21swapper/319:21:593
2303199121,3cyclictest9799-21ssh21:12:163
2303199120,3cyclictest5563-21ssh00:01:563
2303199120,2cyclictest12477-21unixbench_multi20:01:033
2303199120,2cyclictest0-21swapper/322:12:463
2303199120,2cyclictest0-21swapper/321:27:543
2303199120,11cyclictest0-21swapper/323:29:253
2303199120,11cyclictest0-21swapper/322:09:543
2303199120,11cyclictest0-21swapper/321:56:123
2303199120,11cyclictest0-21swapper/321:45:173
2303199120,11cyclictest0-21swapper/321:45:163
2303199120,11cyclictest0-21swapper/321:40:123
2303199120,10cyclictest0-21swapper/321:36:523
2303199120,10cyclictest0-21swapper/321:34:103
2303099129,2cyclictest28349-21kworker/u8:219:23:052
2302999129,2cyclictest0-21swapper/123:57:231
2302999127,3cyclictest31296-21munin-node1
2302999121,3cyclictest19150-21munin-node1
2302999120,2cyclictest0-21swapper/119:45:141
2302999120,11cyclictest0-21swapper/122:46:121
2302999120,11cyclictest0-21swapper/122:40:041
2302999120,11cyclictest0-21swapper/120:00:001
2302999120,10cyclictest0-21swapper/100:07:251
2302899129,2cyclictest31302-21kworker/u8:121:20:040
2302899129,2cyclictest0-21swapper/021:25:220
2302899129,2cyclictest0-21swapper/021:10:020
2302899129,2cyclictest0-21swapper/021:05:120
2302899129,2cyclictest0-21swapper/020:45:140
2302899129,2cyclictest0-21swapper/020:40:160
2302899129,2cyclictest0-21swapper/019:30:150
2302899129,2cyclictest0-21swapper/019:21:040
2302899120,2cyclictest0-21swapper/000:26:340
2302899120,11cyclictest0-21swapper/023:08:170
2302899120,11cyclictest0-21swapper/022:36:120
2302899120,11cyclictest0-21swapper/022:25:410
2302899120,11cyclictest0-21swapper/022:12:520
2302899120,11cyclictest0-21swapper/021:30:590
2302899120,11cyclictest0-21swapper/021:17:330
2302899120,11cyclictest0-21swapper/020:00:140
213972120,2sleep10-21swapper/100:20:041
2303199118,2cyclictest0-21swapper/323:12:363
2303199118,2cyclictest0-21swapper/321:51:363
2303199118,2cyclictest0-21swapper/319:45:123
2303199118,2cyclictest0-21swapper/300:22:333
2303199116,3cyclictest20604-21grep20:21:033
2303199116,3cyclictest12705-21head21:15:173
2303199111,6cyclictest2654-21copy21:00:003
2303199111,5cyclictest0-21swapper/320:50:003
2303199110,6cyclictest0-21swapper/320:00:003
2303199110,2cyclictest0-21swapper/322:48:303
2303199110,10cyclictest0-21swapper/323:52:013
2303199110,10cyclictest0-21swapper/323:48:243
2303199110,10cyclictest0-21swapper/323:22:153
2303099118,2cyclictest0-21swapper/220:55:142
2303099118,2cyclictest0-21swapper/220:15:002
2302999114,5cyclictest0-21swapper/121:00:011
2302999111,8cyclictest0-21swapper/119:21:031
2302899118,2cyclictest28349-21kworker/u8:219:53:040
2302899118,2cyclictest26354-21kworker/u8:019:12:020
2302899118,2cyclictest21261-21kworker/u8:021:00:020
2302899118,2cyclictest0-21swapper/020:51:040
2302899118,2cyclictest0-21swapper/020:05:200
2302899118,2cyclictest0-21swapper/019:56:040
2303199105,3cyclictest8093-21fschecks_time22:55:143
2303199101,6cyclictest0-21swapper/319:51:013
2303199100,9cyclictest0-21swapper/320:10:583
2303099100,1cyclictest0-21swapper/220:08:052
2302999107,2cyclictest21-21rcuc/120:45:111
2302999100,8cyclictest0-21swapper/120:50:161
2302899107,2cyclictest21261-21kworker/u8:020:57:040
2302899107,2cyclictest0-21swapper/020:11:020
230319994,3cyclictest28765-21chrt20:41:493
230319994,3cyclictest25452-21grep20:35:133
230319993,4cyclictest877-21head19:35:123
230319991,6cyclictest0-21swapper/321:01:013
230319990,8cyclictest0-21swapper/320:50:133
230319990,8cyclictest0-21swapper/300:35:383
230309995,3cyclictest17220-21telnet20:15:132
230309994,3cyclictest29549-21cpuspeed_turbos19:25:102
230309994,3cyclictest1443-21hwlatdetect19:35:152
230289996,2cyclictest435-21kworker/u8:019:48:050
230289996,2cyclictest1486-21ethtool19:35:170
230289996,2cyclictest0-21swapper/019:15:150
230289995,2cyclictest3728-21runrttasks20:25:030
230289974,2cyclictest28349-21kworker/u8:220:15:040
230289973,3cyclictest29378-21aten2.4-expect19:25:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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