llvm dev - Oct 2020 - Instrumenting a program for timing

Is there a standard method of instrumenting a program so it will optionally
display the CPU time for one or more phases? I'd like to do that for
TableGen.

> -----Original Message-----
> From: llvm-dev <llvm-dev-bounces at lists.llvm.org> On Behalf Of Paul
C.
> Anagnostopoulos via llvm-dev
> Sent: Tuesday, October 20, 2020 7:20 PM
> To: llvm-dev at lists.llvm.org
> Subject: [llvm-dev] Instrumenting a program for timing
> 
> Is there a standard method of instrumenting a program so it will
> optionally display the CPU time for one or more phases? I'd like to do
> that for TableGen.
Clang has something like that with the -ftime-trace option.  This appears
to make use of the llvm::TimeTraceScope class.
--paulr

Thanks, I'll check that out.

At 10/21/2020 09:40 AM, Robinson, Paul wrote:
>> -----Original Message-----
>> From: llvm-dev <llvm-dev-bounces at lists.llvm.org> On Behalf Of
Paul C.
>> Anagnostopoulos via llvm-dev
>> Sent: Tuesday, October 20, 2020 7:20 PM
>> To: llvm-dev at lists.llvm.org
>> Subject: [llvm-dev] Instrumenting a program for timing
>> 
>> Is there a standard method of instrumenting a program so it will
>> optionally display the CPU time for one or more phases? I'd like to
do
>> that for TableGen.
>
>Clang has something like that with the -ftime-trace option.  This appears
>to make use of the llvm::TimeTraceScope class.
>--paulr