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2024-07-27 - 14:26

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #7

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 100 highest latencies:
System rackcslot7s.osadl.org (updated Sat Jul 27, 2024 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289710799508499,6cyclictest2974455-21turbostat22:54:553
289710299507500,4cyclictest2946310-21turbostat21:34:552
289710799505497,5cyclictest2927292-21turbostat20:35:003
289710299501494,4cyclictest2901045-21turbostat19:24:552
289710799471449,19cyclictest2964088-21turbostat22:24:553
289710799465457,5cyclictest2906221-21turbostat19:39:563
289710799465444,8cyclictest2941128-21turbostat21:19:543
289710799464457,4cyclictest2949772-21turbostat21:40:003
289710799463441,19cyclictest2904500-21turbostat19:34:553
289710799461454,4cyclictest2937671-21turbostat21:09:553
289710799459439,17cyclictest2984821-21turbostat23:20:003
289710799457448,6cyclictest3003902-21turbostat00:15:003
289710299456447,6cyclictest3000406-21turbostat00:09:542
289710299455447,5cyclictest2990006-21turbostat23:39:552
289710299454447,4cyclictest2920387-21turbostat20:19:552
289710799451444,4cyclictest2930757-21turbostat20:49:543
289710799451444,4cyclictest2913455-21turbostat19:59:553
289710799451442,6cyclictest2953420-21turbostat21:50:003
289710799451442,6cyclictest2953420-21turbostat21:50:003
289709299451434,5cyclictest2981364-21turbostat23:14:550
289710799450442,4cyclictest2998651-21turbostat00:04:553
289710799448440,5cyclictest2948046-21turbostat21:35:003
289710799447440,4cyclictest2988288-21turbostat23:30:003
289710799447439,5cyclictest2957014-21turbostat22:04:553
289710799445438,4cyclictest2949772-21turbostat21:44:543
289710799445437,5cyclictest2923830-21turbostat20:29:563
289710799445437,5cyclictest2923830-21turbostat20:29:563
289710799444437,4cyclictest2934208-21turbostat20:55:013
289710799444434,7cyclictest2898812-21turbostat19:19:553
289710799443434,6cyclictest2962356-21turbostat22:15:003
289710799443434,6cyclictest2962356-21turbostat22:15:003
289710299442435,4cyclictest2967536-21turbostat22:34:552
289710799441419,19cyclictest2984821-21turbostat23:24:553
289710299441432,6cyclictest2927292-21turbostat20:39:552
289710799440432,5cyclictest2946310-21turbostat21:30:003
289710799440432,5cyclictest2913455-21turbostat19:55:003
289710799440431,6cyclictest2920387-21turbostat20:15:003
289710799438430,5cyclictest2958745-21turbostat22:09:543
289710799436429,4cyclictest2965815-21turbostat22:29:553
289710799435428,4cyclictest2970995-21turbostat22:44:563
289709499434422,8cyclictest2942859-21turbostat21:24:561
289709499434422,8cyclictest2942859-21turbostat21:24:561
289710799432424,5cyclictest2993460-21turbostat23:45:003
289710799432424,4cyclictest2939393-21turbostat21:14:553
289709299432424,5cyclictest2907945-21turbostat19:44:550
289710799429421,5cyclictest2993460-21turbostat23:49:553
289710799428416,9cyclictest2916913-21turbostat20:09:553
289710799427420,4cyclictest2909828-21turbostat19:49:553
289710299427419,5cyclictest3009238-21turbostat00:34:542
289710799426417,6cyclictest3010953-21turbostat00:35:003
289710799426417,6cyclictest2969264-21turbostat22:35:003
289710799425416,6cyclictest2935933-21turbostat21:04:553
289710799423414,6cyclictest2962356-21turbostat22:19:553
289710799418410,5cyclictest2916913-21turbostat20:05:003
289710799418410,5cyclictest2916913-21turbostat20:05:003
289709299417410,4cyclictest2979638-21turbostat23:09:560
289709299417410,4cyclictest2979638-21turbostat23:09:560
289710799416408,5cyclictest2977913-21turbostat23:00:013
289710799414407,4cyclictest2930757-21turbostat20:45:003
289710799412403,6cyclictest2957014-21turbostat22:00:003
289710799411404,4cyclictest3007503-21turbostat00:29:553
289710799411404,4cyclictest3007503-21turbostat00:29:553
289710799408388,17cyclictest2995201-21turbostat23:54:553
289710299405398,4cyclictest2955290-21turbostat21:59:552
289710799404383,18cyclictest3012690-21turbostat00:40:003
289710799402395,4cyclictest2998651-21turbostat00:00:003
289710799400393,4cyclictest2902759-21turbostat19:25:003
289710799399392,4cyclictest2981364-21turbostat23:10:003
289710799399392,4cyclictest2981364-21turbostat23:10:003
289710799394387,4cyclictest2896901-21turbostat19:14:553
289710799393386,4cyclictest2934208-21turbostat20:59:563
289710299393384,6cyclictest2902759-21turbostat19:29:552
289710799392385,4cyclictest2969264-21turbostat22:39:563
289710799380373,4cyclictest2923830-21turbostat20:25:003
289710799375367,5cyclictest2977913-21turbostat23:04:553
289710799374368,3cyclictest2904500-21turbostat19:30:003
289710799374365,6cyclictest3002180-21turbostat00:10:003
289710799368362,4cyclictest2983090-21turbostat23:15:003
289710799362354,5cyclictest3005770-21turbostat00:24:563
289710299362354,5cyclictest2951490-21turbostat21:49:562
289710299362354,5cyclictest2951490-21turbostat21:49:552
289710799355349,3cyclictest2991733-21turbostat23:40:003
289710299351345,3cyclictest2953420-21turbostat21:54:552
289710799350331,16cyclictest2955290-21turbostat21:55:003
289710799348342,3cyclictest2974455-21turbostat22:50:003
289710299336329,4cyclictest2918651-21turbostat20:14:552
289710799335329,4cyclictest3005770-21turbostat00:20:013
289710299326320,3cyclictest2911722-21turbostat19:54:552
289710799321315,3cyclictest2909828-21turbostat19:45:003
289710799314307,4cyclictest2990006-21turbostat23:35:003
289710799205187,14cyclictest2944581-21turbostat21:25:003
289710799205187,14cyclictest2944581-21turbostat21:25:003
289710799140133,4cyclictest2922102-21turbostat20:20:003
2896554210461,14sleep00-21swapper/019:05:540
296626721000,7sleep12897087-21cyclictest22:25:161
28971029910090,7cyclictest2988288-21turbostat23:34:562
2897102999891,4cyclictest3003902-21turbostat00:19:552
2897107999689,4cyclictest2929027-21turbostat20:40:003
2897102999487,4cyclictest2915191-21turbostat20:04:562
2897102999487,4cyclictest2915191-21turbostat20:04:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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