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Rajeshwarikanchiraju asked XingyuZhao-MSFT commented

Attach .Net Profiler at RunTime to a running process

Hi ,

I have been trying to attach the .Net Profiler at Runtime to a running process using the PID information .

I could able to use attachprofiler() method and call Initializeforattach() method.

Im trying to set the masks -"COR_PRF_ENABLE_REJIT" & "COR_PRF_DISABLE_ALL_NGEN_IMAGES" inside the initializeforattach() method using "SetEventMask()" method but its getting failed.

Inside the Initializeforattach() , I have used "ICorProfilerInfo4" object for QueryInterface().

@Brian-7574 Please help me why seteventmasks() getting failed and unable to load the modules.

Any reference is much appreciated.

Thanks in advance.

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Hi @Rajeshwarikanchiraju ,
In order to help us analyze the problem, could you share more related code here?
We are waiting for your update.

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Hi @XingyuZhao-MSFT

Thanks for your reply.

I'm trying to set the event masks in the Initializeforattach() for "COR_PRF_ENABLE_REJIT" which is getting failed, Here is the below code snippet which I have used

/ [in] / IUnknown pICorProfilerInfoUnk,
[in] / void pvClientData,
/ UINT cbClientData)
hr = pICorProfilerInfoUnk->QueryInterface(IID_ICorProfilerInfo4, (void )&m_pProfilerInfo4);
hr = pICorProfilerInfoUnk->QueryInterface(IID_ICorProfilerInfo3, (void
hr = pICorProfilerInfoUnk->QueryInterface(IID_ICorProfilerInfo2, (void **)&m_pProfilerInfo);

Please help me if i would have missed anything

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Hi @Rajeshwarikanchiraju ,
I note that SetEventMask2 is the recommended alternative to the SetEventMask method, so you can use SetEventMask2 method to do it.

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