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2025-11-02 - 06:12

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #5

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack0slot5s.osadl.org (updated Sun Nov 02, 2025 00:47:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26398402399370,19sleep100-21swapper/1019:08:432
26397752387349,28sleep00-21swapper/019:07:450
26397262352324,18sleep60-21swapper/619:07:0212
26398742351291,49sleep80-21swapper/819:09:1314
26398422345320,15sleep120-21swapper/1219:08:454
26398902343314,19sleep70-21swapper/719:09:2813
26397572343314,19sleep10-21swapper/119:07:301
26396352343314,18sleep110-21swapper/1119:05:463
26398612341312,18sleep130-21swapper/1319:09:025
26398512340313,17sleep30-21swapper/319:08:529
26396962339310,19sleep140-21swapper/1419:06:396
26398292338310,18sleep20-21swapper/219:08:358
26397542338309,18sleep150-21swapper/1519:07:277
26396462338313,16sleep50-21swapper/519:05:5711
26399062337307,19sleep40-21swapper/419:09:4210
26396902327299,18sleep90-21swapper/919:06:3315
2640308995751,4cyclictest1243423-21CPU2
2640308995751,4cyclictest1243423-21CPU2
2640308995641,13cyclictest1243427-21CPU2
2640308995641,13cyclictest1243427-21CPU2
264029599564,52cyclictest0-21swapper/619:57:3512
2640301995230,20cyclictest1243418-21CPU14
2640301995230,20cyclictest1243418-21CPU14
2640301995135,11cyclictest1243427-21CPU14
2640277995044,4cyclictest1243426-21CPU8
2640277995044,4cyclictest1243426-21CPU8
264032699420,1cyclictest0-21swapper/1519:25:057
264032699420,1cyclictest0-21swapper/1519:25:057
2640301994226,11cyclictest1243428-21CPU14
2640301994226,11cyclictest1243419-21CPU14
264029599415,25cyclictest0-21swapper/620:30:3212
264029599415,11cyclictest0-21swapper/620:41:3112
2640277994136,4cyclictest1243417-21CPU8
2640277994136,4cyclictest1243417-21CPU8
264029599404,25cyclictest0-21swapper/623:04:1812
264029599404,25cyclictest0-21swapper/620:52:3012
264029599404,25cyclictest0-21swapper/619:24:3812
264029599404,25cyclictest0-21swapper/619:24:3812
264029599404,11cyclictest0-21swapper/622:20:2312
264029599394,11cyclictest0-21swapper/623:37:1512
264029599393,25cyclictest0-21swapper/621:14:2912
264029599393,11cyclictest0-21swapper/621:47:2512
2640301993831,5cyclictest1243427-21CPU14
2640301993831,5cyclictest1243427-21CPU14
264029599382,11cyclictest0-21swapper/621:25:2712
264029599382,11cyclictest0-21swapper/621:25:2712
264029599382,10cyclictest0-21swapper/622:53:1912
264032699360,4cyclictest2661102-21latency_hist19:25:007
264032699360,4cyclictest2661102-21latency_hist19:24:597
264029599360,11cyclictest0-21swapper/619:46:3612
264029599360,11cyclictest0-21swapper/600:21:1112
264029599360,11cyclictest0-21swapper/600:10:1212
2640301993518,12cyclictest1243425-21CPU14
2640298993528,4cyclictest1243427-21CPU13
2640295993533,1cyclictest4152971-21snmpd19:14:3712
2640295993510,11cyclictest0-21swapper/600:32:1012
2640290993531,2cyclictest1243424-21CPU11
2640290993531,2cyclictest1243424-21CPU11
2640271993528,5cyclictest1243416-21CPU0
2640301993422,10cyclictest1243425-21CPU14
2640301993416,16cyclictest1243418-21CPU14
264029599349,25cyclictest0-21swapper/622:42:2012
2640271993427,4cyclictest1243428-21CPU0
2640271993426,5cyclictest1243416-21CPU0
2640271993426,5cyclictest1243416-21CPU0
2640271993326,5cyclictest1243420-21CPU0
2640301993217,12cyclictest0-21swapper/800:05:0614
2640271993225,5cyclictest1243416-21CPU0
2640271993219,12cyclictest1243425-21CPU0
2640308993113,16cyclictest1243428-21CPU2
264030599315,15cyclictest0-21swapper/920:30:1915
2640301993122,9cyclictest0-21swapper/819:16:1814
2640298993120,10cyclictest1243417-21CPU13
2640290993127,2cyclictest1243418-21CPU11
2640271993124,5cyclictest1243426-21CPU0
264032699306,16cyclictest0-21swapper/1523:45:197
264032699300,30cyclictest0-21swapper/1519:15:477
2640315993021,7cyclictest1243418-21CPU4
2640308993027,2cyclictest1243422-21CPU2
2640308993026,2cyclictest1243427-21CPU2
2640298993016,13cyclictest1243424-21CPU13
264029599305,11cyclictest0-21swapper/623:15:1712
264029599305,11cyclictest0-21swapper/623:15:1712
264028899309,19cyclictest1243423-21CPU10
264028899309,19cyclictest1243423-21CPU10
2640271993023,5cyclictest1243418-21CPU0
2640271993020,8cyclictest1243425-21CPU0
2640323992926,2cyclictest4152971-21snmpd00:32:286
2640315992924,4cyclictest4152971-21snmpd23:09:594
2640315992924,2cyclictest1243425-21CPU4
2640315992916,11cyclictest1243423-21CPU4
2640315992916,11cyclictest1243423-21CPU4
2640308992912,15cyclictest1243428-21CPU2
2640305992927,1cyclictest1243419-21CPU15
2640301992927,1cyclictest4152971-21snmpd20:08:3914
2640301992926,2cyclictest4152971-21snmpd00:14:1614
2640301992920,6cyclictest981ktimers/800:20:1214
2640298992927,1cyclictest4152971-21snmpd23:49:0313
2640298992926,2cyclictest4152971-21snmpd22:02:3913
264029599295,11cyclictest0-21swapper/623:48:1412
264029599294,25cyclictest0-21swapper/622:31:2112
264027499294,24cyclictest1243417-21CPU1
2640271992924,3cyclictest1243426-21CPU0
2640271992924,3cyclictest1243418-21CPU0
2640271992924,3cyclictest1243417-21CPU0
2640271992924,3cyclictest1243417-21CPU0
2640271992922,5cyclictest1243417-21CPU0
2640271992922,5cyclictest1243417-21CPU0
2640271992922,5cyclictest1243417-21CPU0
2640271992920,8cyclictest1243427-21CPU0
2640271992920,8cyclictest1243427-21CPU0
2640271992919,9cyclictest1243417-21CPU0
2640271992919,9cyclictest1243417-21CPU0
2640271992919,8cyclictest1243416-21CPU0
2640271992919,8cyclictest1243416-21CPU0
2640271992917,10cyclictest1243416-21CPU0
2640323992824,4cyclictest4152971-21snmpd23:35:536
264032399281,27cyclictest0-21swapper/1420:20:286
2640318992827,1cyclictest4152971-21snmpd19:13:105
2640318992826,1cyclictest4152971-21snmpd21:28:445
2640318992826,1cyclictest4152971-21snmpd21:28:445
264031899281,27cyclictest0-21swapper/1320:36:185
264031899280,27cyclictest0-21swapper/1322:18:245
2640315992826,1cyclictest4152971-21snmpd23:12:594
2640315992826,1cyclictest4152971-21snmpd23:12:594
2640315992822,5cyclictest4152971-21snmpd19:53:294
2640315992821,5cyclictest1243427-21CPU4
2640312992826,1cyclictest4152971-21snmpd22:46:223
2640312992824,4cyclictest4152971-21snmpd22:54:013
2640312992816,10cyclictest1243420-21CPU3
2640312992816,10cyclictest1243420-21CPU3
264031299280,28cyclictest0-21swapper/1121:39:263
2640308992818,8cyclictest1243419-21CPU2
264030899280,28cyclictest0-21swapper/1020:30:122
2640305992826,1cyclictest4152971-21snmpd23:05:4015
2640305992822,4cyclictest1243427-21CPU15
2640305992822,4cyclictest1243427-21CPU15
2640301992824,4cyclictest981ktimers/819:35:0914
2640301992822,4cyclictest1243428-21CPU14
2640301992822,4cyclictest1243416-21CPU14
2640301992822,4cyclictest1243416-21CPU14
2640301992821,5cyclictest1243428-21CPU14
2640301992820,5cyclictest981ktimers/823:55:1914
2640301992820,5cyclictest981ktimers/823:35:1914
2640298992826,1cyclictest4152971-21snmpd22:13:4213
2640298992822,4cyclictest1243428-21CPU13
264029599284,13cyclictest0-21swapper/622:09:2312
264029599284,11cyclictest0-21swapper/621:03:2912
264029599284,11cyclictest0-21swapper/620:19:3312
264029599283,14cyclictest0-21swapper/623:59:1312
2640295992826,1cyclictest4152971-21snmpd21:16:4312
2640295992826,1cyclictest4152971-21snmpd21:16:4312
264029099288,18cyclictest1243423-21CPU11
264029099288,18cyclictest1243423-21CPU11
264029099280,1cyclictest0-21swapper/521:14:2211
2640274992822,4cyclictest1243423-21CPU1
2640271992826,1cyclictest4152971-21snmpd22:10:240
2640271992826,1cyclictest4152971-21snmpd00:00:240
2640271992822,4cyclictest1243422-21CPU0
2640271992822,4cyclictest1243417-21CPU0
2640271992810,17cyclictest1243417-21CPU0
264027199280,28cyclictest0-21swapper/020:25:450
2640326992713,11cyclictest1243427-21CPU7
2640323992726,1cyclictest4152971-21snmpd23:49:576
2640323992725,1cyclictest4152971-21snmpd20:53:346
2640323992717,7cyclictest1243427-21CPU6
2640318992725,2cyclictest4152971-21snmpd19:45:395
2640318992725,1cyclictest4152971-21snmpd21:41:175
264031899272,23cyclictest1243422-21CPU5
264031899270,27cyclictest0-21swapper/1320:53:195
2640315992725,1cyclictest4152971-21snmpd22:38:284
2640315992723,4cyclictest4152971-21snmpd21:27:004
2640315992723,4cyclictest4152971-21snmpd21:26:594
264031599270,27cyclictest0-21swapper/1220:32:364
264031599270,27cyclictest0-21swapper/1200:29:164
264031599270,1cyclictest0-21swapper/1222:11:214
264031599270,1cyclictest0-21swapper/1221:06:534
2640312992725,2cyclictest4152971-21snmpd23:22:473
2640312992725,2cyclictest4152971-21snmpd23:22:473
2640312992721,4cyclictest1243419-21CPU3
264031299270,27cyclictest0-21swapper/1121:33:363
264031299270,27cyclictest0-21swapper/1119:55:413
264031299270,27cyclictest0-21swapper/1100:05:123
2640308992725,1cyclictest4152971-21snmpd00:28:402
2640308992717,6cyclictest1243417-21CPU2
264030899270,27cyclictest0-21swapper/1000:37:342
2640305992726,1cyclictest4152971-21snmpd19:40:5915
264030599270,27cyclictest0-21swapper/919:52:0815
264030599270,27cyclictest0-21swapper/900:03:2415
2640301992726,1cyclictest4152971-21snmpd00:39:1114
2640301992724,2cyclictest4152971-21snmpd20:55:0414
2640301992721,6cyclictest981ktimers/823:30:4614
2640301992721,6cyclictest981ktimers/822:30:1414
2640301992721,3cyclictest2888507-21ps22:15:2014
2640301992721,3cyclictest0-21swapper/823:43:3814
2640301992721,3cyclictest0-21swapper/821:55:0614
2640301992718,6cyclictest981ktimers/821:50:2114
264030199270,27cyclictest0-21swapper/822:09:5814
264030199270,27cyclictest0-21swapper/820:23:3914
264030199270,27cyclictest0-21swapper/819:51:4114
264030199270,1cyclictest0-21swapper/800:26:1914
2640298992724,2cyclictest4152971-21snmpd20:53:4913
264029599273,11cyclictest0-21swapper/623:26:1612
264029599273,11cyclictest0-21swapper/621:58:2412
264029599273,11cyclictest0-21swapper/621:36:2612
264029599273,11cyclictest0-21swapper/620:08:3412
264029599273,11cyclictest0-21swapper/619:35:3712
2640295992714,11cyclictest1243420-21CPU12
264029599270,1cyclictest0-21swapper/623:24:0912
264029599270,1cyclictest0-21swapper/623:24:0812
2640290992726,1cyclictest4152971-21snmpd20:37:5711
2640290992723,2cyclictest1243423-21CPU11
264029099270,27cyclictest0-21swapper/522:45:1111
264029099270,27cyclictest0-21swapper/521:04:3511
2640288992726,1cyclictest4152971-21snmpd19:46:5310
264028899270,27cyclictest0-21swapper/421:02:4010
264028899270,27cyclictest0-21swapper/420:55:2210
264028899270,27cyclictest0-21swapper/400:28:5610
2640284992719,6cyclictest1243419-21CPU9
2640274992726,1cyclictest4152971-21snmpd23:28:441
2640274992725,2cyclictest4152971-21snmpd23:08:111
264027499270,27cyclictest0-21swapper/121:47:241
264027499270,27cyclictest0-21swapper/121:17:461
264027499270,27cyclictest0-21swapper/121:17:461
264027499270,27cyclictest0-21swapper/119:52:231
2640271992725,1cyclictest4152971-21snmpd23:45:280
2640271992722,3cyclictest1243424-21CPU0
2640271992722,3cyclictest1243424-21CPU0
2640271992722,3cyclictest1243424-21CPU0
2640271992722,3cyclictest1243419-21CPU0
2640271992722,3cyclictest1243416-21CPU0
2640271992720,5cyclictest1243426-21CPU0
2640271992720,5cyclictest1243423-21CPU0
2640271992720,5cyclictest1243419-21CPU0
2640271992720,5cyclictest1243417-21CPU0
2640271992718,6cyclictest1243428-21CPU0
264027199270,27cyclictest0-21swapper/023:31:260
264027199270,27cyclictest0-21swapper/021:57:470
264027199270,1cyclictest0-21swapper/021:35:290
2640326992625,1cyclictest4152971-21snmpd22:40:347
2640326992624,1cyclictest4152971-21snmpd20:45:457
2640326992623,2cyclictest4152971-21snmpd23:59:187
2640326992615,9cyclictest1243422-21CPU7
264032399263,21cyclictest1243419-21CPU6
2640323992624,1cyclictest4152971-21snmpd23:54:066
2640318992625,1cyclictest4152971-21snmpd23:19:245
2640318992625,1cyclictest4152971-21snmpd23:19:235
2640318992625,1cyclictest4152971-21snmpd22:39:195
2640318992625,1cyclictest4152971-21snmpd21:08:435
2640318992624,1cyclictest4152971-21snmpd23:41:005
2640318992624,1cyclictest4152971-21snmpd22:52:015
2640318992624,1cyclictest4152971-21snmpd22:13:035
2640318992624,1cyclictest4152971-21snmpd21:15:435
2640318992624,1cyclictest4152971-21snmpd21:15:435
2640318992622,2cyclictest1243417-21CPU5
2640318992622,2cyclictest1243417-21CPU5
2640318992621,2cyclictest1243425-21CPU5
264031299266,18cyclictest1243422-21CPU3
2640312992623,2cyclictest1243417-21CPU3
2640312992623,2cyclictest1243417-21CPU3
2640312992621,4cyclictest1243425-21CPU3
2640312992616,2cyclictest2646488-21chrt19:13:323
2640308992624,1cyclictest4152971-21snmpd21:03:412
2640308992624,1cyclictest0-21swapper/1000:00:302
2640308992615,9cyclictest1243417-21CPU2
2640305992625,1cyclictest4152971-21snmpd23:51:3915
2640305992625,1cyclictest4152971-21snmpd23:32:4415
2640305992625,1cyclictest4152971-21snmpd21:43:0215
2640305992624,1cyclictest4152971-21snmpd20:00:2615
264030199266,17cyclictest981ktimers/819:45:1914
2640301992624,1cyclictest4152971-21snmpd22:04:5414
2640301992620,3cyclictest981ktimers/822:10:2214
2640301992620,3cyclictest981ktimers/820:50:1214
2640301992620,3cyclictest981ktimers/820:31:0214
2640301992620,3cyclictest0-21swapper/820:29:3014
2640301992618,5cyclictest981ktimers/823:14:3714
2640301992618,5cyclictest981ktimers/823:14:3614
2640301992618,5cyclictest981ktimers/821:35:2614
2640301992617,6cyclictest981ktimers/823:22:1314
2640301992617,6cyclictest981ktimers/823:22:1214
2640301992617,6cyclictest981ktimers/821:40:3014
2640301992617,6cyclictest981ktimers/821:17:4214
2640301992617,6cyclictest981ktimers/821:17:4214
2640298992624,1cyclictest4152971-21snmpd23:58:1213
2640298992624,1cyclictest4152971-21snmpd20:48:2713
2640295992625,1cyclictest0-21swapper/623:10:0212
2640295992625,1cyclictest0-21swapper/623:10:0212
2640295992625,1cyclictest0-21swapper/600:25:4012
2640290992625,1cyclictest4152971-21snmpd00:30:5211
2640290992625,1cyclictest0-21swapper/520:01:3211
2640288992620,4cyclictest1243425-21CPU10
2640284992625,1cyclictest0-21swapper/321:29:539
2640284992625,1cyclictest0-21swapper/321:29:539
2640284992624,1cyclictest0-21swapper/300:15:139
2640284992620,4cyclictest1243428-21CPU9
2640284992620,4cyclictest1243428-21CPU9
2640277992625,1cyclictest4152971-21snmpd21:10:288
2640277992625,1cyclictest4152971-21snmpd00:37:348
264027199267,17cyclictest1243417-21CPU0
2640271992623,2cyclictest1243426-21CPU0
2640271992622,2cyclictest1243422-21CPU0
2640271992622,2cyclictest1243416-21CPU0
2640271992620,4cyclictest1243424-21CPU0
2640271992620,4cyclictest1243424-21CPU0
2640271992620,4cyclictest1243418-21CPU0
2640271992620,4cyclictest1243416-21CPU0
2640326992520,3cyclictest1243422-21CPU7
2640326992518,5cyclictest1243419-21CPU7
2640326992518,5cyclictest1243419-21CPU7
2640323992520,4cyclictest2964994-21/usr/sbin/munin23:15:146
2640323992520,4cyclictest2964994-21/usr/sbin/munin23:15:146
2640318992524,1cyclictest4152971-21snmpd23:12:575
2640318992524,1cyclictest4152971-21snmpd23:12:565
2640318992524,1cyclictest0-21swapper/1321:51:025
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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