Re: [Qemu-devel] [PATCH] migration: Fix rate limiting issue on RDMA migration

[858585 jemmy]

Ping.

On Sat, Mar 10, 2018 at 10:32 PM, Lidong Chen <address@hidden> wrote:
> RDMA migration implement save_page function for QEMUFile, but
> ram_control_save_page do not increase bytes_xfer. So when doing
> RDMA migration, it will use whole bandwidth.
>
> Signed-off-by: Lidong Chen <address@hidden>
> ---
>  migration/qemu-file.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/migration/qemu-file.c b/migration/qemu-file.c
> index 2ab2bf3..217609d 100644
> --- a/migration/qemu-file.c
> +++ b/migration/qemu-file.c
> @@ -253,7 +253,7 @@ size_t ram_control_save_page(QEMUFile *f, ram_addr_t 
> block_offset,
>      if (f->hooks && f->hooks->save_page) {
>          int ret = f->hooks->save_page(f, f->opaque, block_offset,
>                                        offset, size, bytes_sent);
> -
> +        f->bytes_xfer += size;
>          if (ret != RAM_SAVE_CONTROL_DELAYED) {
>              if (bytes_sent && *bytes_sent > 0) {
>                  qemu_update_position(f, *bytes_sent);
> --
> 1.8.3.1
>