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Re: [Qemu-devel] [PATCH] migration: Fix migration state update issue
From: |
Juan Quintela |
Subject: |
Re: [Qemu-devel] [PATCH] migration: Fix migration state update issue |
Date: |
Thu, 07 May 2015 13:38:28 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Liang Li <address@hidden> wrote:
> If live migration is very fast and can be completed in 1 second,
> the dirty_sync_count of MigrationState will not be updated.
> Then you will see "dirty sync count: 0" in qemu monitor even if
> the actual dirty sync count is not 0.
>
> Signed-off-by: Liang Li <address@hidden>
Reviewed-by: Juan Quintela <address@hidden>
Added to new pull request, thanks.
> ---
> arch_init.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch_init.c b/arch_init.c
> index 4c8fcee..a48f575 100644
> --- a/arch_init.c
> +++ b/arch_init.c
> @@ -599,8 +599,8 @@ static void migration_bitmap_sync(void)
> s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE;
> start_time = end_time;
> num_dirty_pages_period = 0;
> - s->dirty_sync_count = bitmap_sync_count;
> }
> + s->dirty_sync_count = bitmap_sync_count;
> }
>
> /**