Commit a694ee34 authored by Paolo Bonzini's avatar Paolo Bonzini Committed by Juan Quintela
Browse files

migration: do floating-point division 



Dividing integer expressions transferred_bytes and time_spent, and then converting
the integer quotient to type double. Any remainder, or fractional part of the
quotient, is ignored.  Fix this.

Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Reviewed-by: default avatarJuan Quintela <quintela@redhat.com>
Signed-off-by: default avatarJuan Quintela <quintela@redhat.com>
parent 4e39f57c

migration/migration.c

+1 −1
Original line number Diff line number Diff line
@@ -1674,7 +1674,7 @@ static void *migration_thread(void *opaque) 
        if (current_time >= initial_time + BUFFER_DELAY) {

            uint64_t transferred_bytes = qemu_ftell(s->file) - initial_bytes;

            uint64_t time_spent = current_time - initial_time;

            double bandwidth = transferred_bytes / time_spent;

            double bandwidth = (double)transferred_bytes / time_spent;

            max_size = bandwidth * migrate_max_downtime() / 1000000;



            s->mbps = time_spent ? (((double) transferred_bytes * 8.0) /