Re: [RFC PATCH] pack-objects: write objects packed to trace2

>
> This is useful when investigating performance of pushes, and other times
> when no progress information is written (because the pack is written to
> stdout).
>
> Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
> ---
> We're trying to improve push performance, and it would be nice to be
> able to observe the number of objects sent over each push, both to
> correlate it with time taken (which is already traced) and to notice
> situations when significantly more objects are being sent than needed.
>
> Sending this as an RFC because this patch works but is somewhat ad-hoc -
> perhaps someone else has a more comprehensive solution.
> ---
>  builtin/pack-objects.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
> index a154fc29f6..ac464d7d07 100644
> --- a/builtin/pack-objects.c
> +++ b/builtin/pack-objects.c
> @@ -964,6 +964,7 @@ static void write_pack_file(void)
>         if (written != nr_result)
>                 die(_("wrote %"PRIu32" objects while expecting %"PRIu32),
>                     written, nr_result);
> +       trace2_printf("packed %d objects", nr_result);

>  }
>
>  static int no_try_delta(const char *path)
> --
> 2.21.0.392.gf8f6787159e-goog
>