Re: pgbench -i progress output on terminal

On Wed, Dec 4, 2019 at 11:35 AM Michael Paquier <michael(at)paquier(dot)xyz> wrote:
>
> On Tue, Dec 03, 2019 at 10:30:35AM +0900, Amit Langote wrote:
> > How about adding a function, say print_progress_to_stderr(const char
> > *fmt,...), exposed to the front-end utilities and use it from
> > everywhere? Needless to say that it will contain the check for whether
> > stderr points to terminal or a file and print accordingly.
>
> I have considered this point, but that does not seem worth the
> complication as each tool has its own idea of the log output, its own
> idea of the log output timing and its own idea of when it is necessary
> to print the last newline when finishing to the output with '\r'.

Okay, seems more trouble than worth to design around all that.

> > Considering Fabien's comment on this, we will have to check which
> > other instances are printing information that is not very useful to
> > look at line-by-line.
>
> Thanks, applied the part for the initialization to HEAD. I got to
> think about Fabien's point and it is true that for pgbench's
> --progress not keeping things on the same line for a terminal has
> advantages because the data printed is not cumulative: that's a
> summary of the previous state printed which can be compared.
>
> Note: the patch works on Windows, no problem.

Thanks for checking and committing the patch.

Regards,
Amit