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Date: Wed, 12 Dec 2007 16:19:00 -0000
From: Nicolas Pitre <nico@cam.org>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: Junio C Hamano <gitster@pobox.com>, gcc@gcc.gnu.org,  Git Mailing List <git@vger.kernel.org>
Subject: Re: Something is broken in repack
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On Wed, 12 Dec 2007, Nicolas Pitre wrote:

> I did modify the progress display to show accounted memory that was 
> allocated vs memory that was freed but still not released to the system.  
> At least that gives you an idea of memory allocation and fragmentation 
> with glibc in real time:
> 
> diff --git a/progress.c b/progress.c
> index d19f80c..46ac9ef 100644
> --- a/progress.c
> +++ b/progress.c
> @@ -8,6 +8,7 @@
>   * published by the Free Software Foundation.
>   */
>  
> +#include <malloc.h>
>  #include "git-compat-util.h"
>  #include "progress.h"
>  
> @@ -94,10 +95,12 @@ static int display(struct progress *progress, unsigned n, const char *done)
>  	if (progress->total) {
>  		unsigned percent = n * 100 / progress->total;
>  		if (percent != progress->last_percent || progress_update) {
> +			struct mallinfo m = mallinfo();
>  			progress->last_percent = percent;
> -			fprintf(stderr, "%s: %3u%% (%u/%u)%s%s",
> -				progress->title, percent, n,
> -				progress->total, tp, eol);
> +			fprintf(stderr, "%s: %3u%% (%u/%u) %u/%uMB%s%s",
> +				progress->title, percent, n, progress->total,
> +				m.uordblks >> 18, m.fordblks >> 18,
> +				tp, eol);

Note: I didn't know what unit of memory those blocks represents, so the 
shift is most probably wrong.


Nicolas