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
