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| author | Paolo Bonzini <pbonzini@redhat.com> | 2013-02-22 17:36:43 +0100 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2013-03-11 13:32:02 +0100 |
| commit | be7172e22a9c3bc448894e57f6c2d1af6ffd47fd (patch) | |
| tree | 9ccaf1c068c34642079f96911bbdbcb7c1ea46f6 /migration.c | |
| parent | e6a1cf21328802f3a83e84e893b8cb8a468141cc (diff) | |
| download | qemu-be7172e22a9c3bc448894e57f6c2d1af6ffd47fd.tar.gz qemu-be7172e22a9c3bc448894e57f6c2d1af6ffd47fd.tar.bz2 qemu-be7172e22a9c3bc448894e57f6c2d1af6ffd47fd.zip | |
migration: use qemu_ftell to compute bandwidth
Prepare for when s->bytes_xfer will be removed.
Reviewed-by: Orit Wasserman <owasserm@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'migration.c')
| -rw-r--r-- | migration.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/migration.c b/migration.c index 681a459812..6da17461f3 100644 --- a/migration.c +++ b/migration.c @@ -589,6 +589,7 @@ static void *migration_thread(void *opaque) MigrationState *s = opaque; int64_t initial_time = qemu_get_clock_ms(rt_clock); int64_t sleep_time = 0; + int64_t initial_bytes = 0; int64_t max_size = 0; int64_t start_time = initial_time; bool old_vm_running = false; @@ -629,7 +630,7 @@ static void *migration_thread(void *opaque) } current_time = qemu_get_clock_ms(rt_clock); if (current_time >= initial_time + BUFFER_DELAY) { - uint64_t transferred_bytes = s->bytes_xfer; + uint64_t transferred_bytes = qemu_ftell(s->file) - initial_bytes; uint64_t time_spent = current_time - initial_time - sleep_time; double bandwidth = transferred_bytes / time_spent; max_size = bandwidth * migrate_max_downtime() / 1000000; @@ -646,6 +647,7 @@ static void *migration_thread(void *opaque) s->bytes_xfer = 0; sleep_time = 0; initial_time = current_time; + initial_bytes = qemu_ftell(s->file); } if (qemu_file_rate_limit(s->file)) { /* usleep expects microseconds */ |