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authorJuan Quintela <quintela@redhat.com>2017-03-14 18:41:03 +0100
committerJuan Quintela <quintela@redhat.com>2017-04-21 12:25:38 +0200
commit96506894a316bdb86ce9b78e906bc8ffb9697d5e (patch)
treed6c5d47de11303a23d57f4c82e2c645974008296 /migration
parent47ad861976d8490047c53d5a80b562776f3c951b (diff)
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ram: Move postcopy_requests into RAMState
Signed-off-by: Juan Quintela <quintela@redhat.com> Reviewed-by: Peter Xu <peterx@redhat.com>
Diffstat (limited to 'migration')
-rw-r--r--migration/migration.c5
-rw-r--r--migration/ram.c13
2 files changed, 11 insertions, 7 deletions
diff --git a/migration/migration.c b/migration/migration.c
index e430aec..2990c40 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -657,7 +657,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
(1ul << qemu_target_page_bits());
info->ram->mbps = s->mbps;
info->ram->dirty_sync_count = ram_dirty_sync_count();
- info->ram->postcopy_requests = s->postcopy_requests;
+ info->ram->postcopy_requests = ram_postcopy_requests();
if (s->state != MIGRATION_STATUS_COMPLETED) {
info->ram->remaining = ram_bytes_remaining();
@@ -1120,7 +1120,6 @@ MigrationState *migrate_init(const MigrationParams *params)
s->setup_time = 0;
s->start_postcopy = false;
s->postcopy_after_devices = false;
- s->postcopy_requests = 0;
s->migration_thread_running = false;
error_free(s->error);
s->error = NULL;
@@ -1480,7 +1479,7 @@ static void migrate_handle_rp_req_pages(MigrationState *ms, const char* rbname,
return;
}
- if (ram_save_queue_pages(ms, rbname, start, len)) {
+ if (ram_save_queue_pages(rbname, start, len)) {
mark_source_rp_bad(ms);
}
}
diff --git a/migration/ram.c b/migration/ram.c
index c5240eb..b9f415c 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -214,6 +214,8 @@ struct RAMState {
uint64_t bytes_transferred;
/* number of dirtied pages in the last second */
uint64_t dirty_pages_rate;
+ /* Count of requests incoming from destination */
+ uint64_t postcopy_requests;
/* protects modification of the bitmap */
QemuMutex bitmap_mutex;
/* Ram Bitmap protected by RCU */
@@ -283,6 +285,11 @@ uint64_t ram_dirty_pages_rate(void)
return ram_state.dirty_pages_rate;
}
+uint64_t ram_postcopy_requests(void)
+{
+ return ram_state.postcopy_requests;
+}
+
/* used by the search for pages to send */
struct PageSearchStatus {
/* Current block being searched */
@@ -1240,19 +1247,17 @@ void migration_page_queue_free(void)
*
* Returns zero on success or negative on error
*
- * @ms: current migration state
* @rbname: Name of the RAMBLock of the request. NULL means the
* same that last one.
* @start: starting address from the start of the RAMBlock
* @len: length (in bytes) to send
*/
-int ram_save_queue_pages(MigrationState *ms, const char *rbname,
- ram_addr_t start, ram_addr_t len)
+int ram_save_queue_pages(const char *rbname, ram_addr_t start, ram_addr_t len)
{
RAMBlock *ramblock;
RAMState *rs = &ram_state;
- ms->postcopy_requests++;
+ rs->postcopy_requests++;
rcu_read_lock();
if (!rbname) {
/* Reuse last RAMBlock */