.net core high cpu utilization , Perfview can not get ntdll!?










0














currently our .net core app is using 100% cpu utilization with really small troughput, after using perfview it just show ntdll!?, also all my threads contian the same class that cannot be resolved ( even after symbol lookup).



Have someone else experienced this?enter image description here










share|improve this question





















  • use Windows Performance Analyzer instead
    – magicandre1981
    Nov 13 at 16:06










  • have you tried WPA instead?
    – magicandre1981
    Nov 17 at 13:42










  • Try to clear GroupPats - that my reveal more things
    – Igor Labutin
    Nov 18 at 16:44















0














currently our .net core app is using 100% cpu utilization with really small troughput, after using perfview it just show ntdll!?, also all my threads contian the same class that cannot be resolved ( even after symbol lookup).



Have someone else experienced this?enter image description here










share|improve this question





















  • use Windows Performance Analyzer instead
    – magicandre1981
    Nov 13 at 16:06










  • have you tried WPA instead?
    – magicandre1981
    Nov 17 at 13:42










  • Try to clear GroupPats - that my reveal more things
    – Igor Labutin
    Nov 18 at 16:44













0












0








0







currently our .net core app is using 100% cpu utilization with really small troughput, after using perfview it just show ntdll!?, also all my threads contian the same class that cannot be resolved ( even after symbol lookup).



Have someone else experienced this?enter image description here










share|improve this question













currently our .net core app is using 100% cpu utilization with really small troughput, after using perfview it just show ntdll!?, also all my threads contian the same class that cannot be resolved ( even after symbol lookup).



Have someone else experienced this?enter image description here







.net perfview






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 12 at 20:44









MBG

586




586











  • use Windows Performance Analyzer instead
    – magicandre1981
    Nov 13 at 16:06










  • have you tried WPA instead?
    – magicandre1981
    Nov 17 at 13:42










  • Try to clear GroupPats - that my reveal more things
    – Igor Labutin
    Nov 18 at 16:44
















  • use Windows Performance Analyzer instead
    – magicandre1981
    Nov 13 at 16:06










  • have you tried WPA instead?
    – magicandre1981
    Nov 17 at 13:42










  • Try to clear GroupPats - that my reveal more things
    – Igor Labutin
    Nov 18 at 16:44















use Windows Performance Analyzer instead
– magicandre1981
Nov 13 at 16:06




use Windows Performance Analyzer instead
– magicandre1981
Nov 13 at 16:06












have you tried WPA instead?
– magicandre1981
Nov 17 at 13:42




have you tried WPA instead?
– magicandre1981
Nov 17 at 13:42












Try to clear GroupPats - that my reveal more things
– Igor Labutin
Nov 18 at 16:44




Try to clear GroupPats - that my reveal more things
– Igor Labutin
Nov 18 at 16:44

















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