llvm dev - Aug 2014 - [LLVMdev] generating a dynamic callgraph with llvm-prof

One can use "-insert-edge-profiling" with opt to collect general
metrics
(frequency of function execution, frequency of basic block execution). But
I'd like to record all call information. So every time a function call is
made, I'd like to record [calling function name, callee function name]

Is this feasible with with llvm-prof and any of the existing profiling
options?
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20140817/0651e0f9/attachment.html>

Dear Eric,

Swarup and I wrote a dynamic slicing system called Giri several years 
ago that recorded the execution of every call instruction. It's not in 
the LLVM tree, and I don't think it works with the latest version of 
LLVM, but it'll give you what you want.

Swarup, is that code publicly available somewhere?

Regards,

John Criswell

On 8/17/14, 12:40 PM, Eric Soderstrom wrote:
> One can use "-insert-edge-profiling" with opt to collect general 
> metrics (frequency of function execution, frequency of basic block 
> execution). But I'd like to record all call information. So every time 
> a function call is made, I'd like to record [calling function name, 
> callee function name]
>
> Is this feasible with with llvm-prof and any of the existing profiling 
> options?
>
>
> _______________________________________________
> LLVM Developers mailing list
> LLVMdev at cs.uiuc.edu         http://llvm.cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev
-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20140817/3863fc8e/attachment.html>

Yes, the latest version can be downloaded from here
https://github.com/liuml07/giri . The LLVM instrumentation code is in
TracingNoGiri.cpp<https://github.com/liuml07/giri/blob/master/lib/Giri/TracingNoGiri.cpp>
file and runtime code in Tracing.cpp.

You may need to delete other unnecessary instrumentation code which you
don't need.

Thanks,
Swarup.

________________________________
From: John Criswell [jtcriswel at gmail.com]
Sent: Sunday, August 17, 2014 2:25 PM
To: Eric Soderstrom; llvmdev
Cc: Sahoo, Swarup Kumar
Subject: Re: [LLVMdev] generating a dynamic callgraph with llvm-prof

Dear Eric,

Swarup and I wrote a dynamic slicing system called Giri several years ago that
recorded the execution of every call instruction.  It's not in the LLVM
tree, and I don't think it works with the latest version of LLVM, but
it'll give you what you want.

Swarup, is that code publicly available somewhere?

Regards,

John Criswell

On 8/17/14, 12:40 PM, Eric Soderstrom wrote:
One can use "-insert-edge-profiling" with opt to collect general
metrics (frequency of function execution, frequency of basic block execution).
But I'd like to record all call information. So every time a function call
is made, I'd like to record [calling function name, callee function name]

Is this feasible with with llvm-prof and any of the existing profiling options?



_______________________________________________
LLVM Developers mailing list
LLVMdev at cs.uiuc.edu<mailto:LLVMdev at cs.uiuc.edu>        
http://llvm.cs.uiuc.edu
http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev


-------------- next part --------------
An HTML attachment was scrubbed...
URL:
<http://lists.llvm.org/pipermail/llvm-dev/attachments/20140818/37ae8b84/attachment.html>