Visual Studio 2010 Stand Alone profiler not collecting data in sampling mode

Question

Hi,

I am trying to collect performance data using the Visual Studio 2010 Stand alone Profiler in sampling mode on a Win2K8 server m/c.

The process that I am trying to profile is a 32 bit process and I am using the version of the Profiler as specified in the documentation.

The attach is successful and I have collected the data for over 1 hour. When I try to open the .vsp file in Visual Studio 2010 in my development m/c I get the following message "File contains no data buffers".

I tried creating a report on the profiled m/c and I get the same message.

What could be wrong? Thanks in advance for your help.

Here are the commands that I am issuing and the responses:-

C:\vs_2010_profiling>vsperfclrenv /sampleon
Enabling VSPerf Sampling Attach Profiling. Allows to 'attaching' to managed applications.

Current Profiling Environment variables are:
COR_ENABLE_PROFILING=1
COR_PROFILER={F1216318-0905-4fe8-B2E8-105CEB7CD689}
COR_LINE_PROFILING=1
COR_INTERACTION_PROFILING=0
COR_GC_PROFILING=0
CORECLR_ENABLE_PROFILING=1
CORECLR_PROFILER={F1216318-0905-4fe8-B2E8-105CEB7CD689}

C:\vs_2010_profiling>vsperfcmd /start:sample /output:test2.vsp /CS
Microsoft (R) VSPerf Command Version 10.0.30319 x86
Copyright (C) Microsoft Corp. All rights reserved.



C:\vs_2010_profiling>vsperfcmd /attach:test.exe
Microsoft (R) VSPerf Command Version 10.0.30319 x86
Copyright (C) Microsoft Corp. All rights reserved.


Successfully attached to process ID:472

C:\vs_2010_profiling>vsperfcmd /detach
Microsoft (R) VSPerf Command Version 10.0.30319 x86
Copyright (C) Microsoft Corp. All rights reserved.


Successfully detached from all processes

C:\vs_2010_profiling>vsperfcmd /shutdown
Microsoft (R) VSPerf Command Version 10.0.30319 x86
Copyright (C) Microsoft Corp. All rights reserved.


Shutting down the Profile Monitor
------------------------------------------------------------

C:\vs_2010_profiling>VSPerfReport test2.vsp /output:. /summary:all

Microsoft (R) VSPerf Report Generator, Version 10.0.0.0
Copyright (C) Microsoft Corporation. All rights reserved.

File opened
Successfully opened the file.
A report file, test2_Header.csv, has been generated.
A report file, test2_MarksSummary.csv, has been generated.
File contains no data buffers
File contains no data buffers
Analysis completed
A report file, test2_RuleWarningsSummary.csv, has been generated.

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KSubramanian

Answer 1

What kind of process is your application ? IS it a service as your not starting it and your trying to do CrossSession ampling and attatching to it ?

If its a service, try follwoing the following How to: Attach the Profiler to a .NET Service to Collect Application Statistics by Using the Command Line http://msdn.microsoft.com/en-us/library/dd255409.aspx

Basicly it adds /GlobalSampelsOn and a restart, before you start profiling, and uses either /GlobalOn or /ProcessOn  to start collectiong data.

 

Answer 2

Thanks for the reply.

It is not a service. I started the application standalone and then tried attaching to it. I will try your suggestion of launching it with the profiler.

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KSubramanian

Answer 3

You could try this Walkthrough: Command-Line Profiling Using Sampling http://msdn.microsoft.com/en-us/library/aa985628.aspx

Some other hints, Are you sure your using the right 32/64 bits profiler tools for your application, is your application compiled for x86 or Any CPU ?

Verify its not related to UAC issues

Answer 4

Thanks for your suggestions. I finally managed to get sampling profile data. My issue was I was running the profiling tools from a 32 bit console. When I switched to a 64 bit console the data was collected.

 

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KSubramanian