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ram: Remove dirty_bytes_rate

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It can be recalculated from dirty_pages_rate.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>

--

Dave was the one that reviewed it O:-)
This commit is contained in:
Juan Quintela 2017-03-14 18:10:16 +01:00
parent 42d219d3b0
commit abbf1d7f9b
3 changed files with 3 additions and 5 deletions
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1
include/migration/migration.h
View File

@ -155,7 +155,6 @@ struct MigrationState
int64_t downtime;
int64_t expected_downtime;
int64_t dirty_pages_rate;
int64_t dirty_bytes_rate;
bool enabled_capabilities[MIGRATION_CAPABILITY__MAX];
int64_t xbzrle_cache_size;
int64_t setup_time;

6
migration/migration.c
View File

@ -1118,7 +1118,6 @@ MigrationState *migrate_init(const MigrationParams *params)
s->downtime = 0;
s->expected_downtime = 0;
s->dirty_pages_rate = 0;
s->dirty_bytes_rate = 0;
s->setup_time = 0;
s->start_postcopy = false;
s->postcopy_after_devices = false;
@ -2008,8 +2007,9 @@ static void *migration_thread(void *opaque)
bandwidth, max_size);
/* if we haven't sent anything, we don't want to recalculate
10000 is a small enough number for our purposes */
if (s->dirty_bytes_rate && transferred_bytes > 10000) {
s->expected_downtime = s->dirty_bytes_rate / bandwidth;
if (s->dirty_pages_rate && transferred_bytes > 10000) {
s->expected_downtime = s->dirty_pages_rate *
(1ul << qemu_target_page_bits()) / bandwidth;
}
qemu_file_reset_rate_limit(s->to_dst_file);

1
migration/ram.c
View File

@ -728,7 +728,6 @@ static void migration_bitmap_sync(RAMState *rs)
}
s->dirty_pages_rate = rs->num_dirty_pages_period * 1000
/ (end_time - rs->time_last_bitmap_sync);
s->dirty_bytes_rate = s->dirty_pages_rate * TARGET_PAGE_SIZE;
rs->time_last_bitmap_sync = end_time;
rs->num_dirty_pages_period = 0;
}