PERF: String.Substring is causing unusually high memory allocati...

[jkalis-MS]

Description: String.Substring is causing unusually high memory allocations.

Current condition: 58% of your Memory was spent in String.Substring called from DiagService.Runners.StringOperationRunner.Run. We expected this value to be <20%.

Recommendations: Consider investigating why String.Substring is causing higher than expected memory allocations.

NOTE: We are currently working on re...

Call Stack:

Type System.String
mscorlib.ni!System.String.InternalSubString(Int32, Int32)
mscorlib.ni!System.String.Substring(Int32, Int32)
diagservice!DiagService.Runners.StringOperationRunner.Run(int32,value class DiagService.OperationEnum)
diagservice!DiagService.Controllers.MemoryController.StringSubstring(int32)
anonymously hosted dynamicmethods assembly!dynamicClass.lambda_method(pMT: 6FD30FF8,class System.Object,class System.Object[])
system.web.http!System.Web.Http.Controllers.ReflectedHttpActionDescriptor+ActionExecutor.Execute(class System.Object,class System.Object[])
system.web.http!System.Web.Http.Controllers.ApiControllerActionInvoker+d__1.MoveNext()