Export GC Usage Statistics on Request for Profiling

[Andrei Alexandrescu via Digitalmars-d]

On 07/15/2016 12:31 PM, tcak wrote:
>> Do you know about --profile=gc?
>
> 1. Never worked for me in a multithreaded program.

Could you please give it another look. Walter fixed it relatively recently.

> 2. I am not able to retrieve that data on runtime by another application
> to see close to real-time statistics.
>
> I know that profiling data is kept in memory, and written to file at the
> end of program. Instead it could write it to a file descriptor and not
> care about whether a program is reading it. Let the kernel handle that
> part.

Wouldn't that make things too slow to be practical? The other profilers 
I know of also keep counters in memory.


Andrei