[PULL 32/38] migration: Introduce ram_transferred_add()

Juan Quintela posted 38 patches 4 years ago
Maintainers: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>, Fam Zheng <fam@euphon.net>, Alistair Francis <alistair@alistair23.me>, Andrew Baumann <Andrew.Baumann@microsoft.com>, "Michael S. Tsirkin" <mst@redhat.com>, Vikram Garhwal <fnu.vikram@xilinx.com>, Aurelien Jarno <aurelien@aurel32.net>, "Cédric Le Goater" <clg@kaod.org>, David Gibson <david@gibson.dropbear.id.au>, Paolo Bonzini <pbonzini@redhat.com>, Stafford Horne <shorne@gmail.com>, Juan Quintela <quintela@redhat.com>, "Philippe Mathieu-Daudé" <f4bug@amsat.org>, Pavel Pisa <pisa@cmp.felk.cvut.cz>, Laurent Vivier <laurent@vivier.eu>, "Dr. David Alan Gilbert" <dgilbert@redhat.com>, Artyom Tarasenko <atar4qemu@gmail.com>, Gerd Hoffmann <kraxel@redhat.com>, Ani Sinha <ani@anisinha.ca>, Greg Kurz <groug@kaod.org>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Hannes Reinecke <hare@suse.com>, "Edgar E. Iglesias" <edgar.iglesias@gmail.com>, Jason Wang <jasowang@redhat.com>, Peter Maydell <peter.maydell@linaro.org>, Daniel Henrique Barboza <danielhb413@gmail.com>, Igor Mammedov <imammedo@redhat.com>
[PULL 32/38] migration: Introduce ram_transferred_add()
Posted by Juan Quintela 4 years ago
From: David Edmondson <david.edmondson@oracle.com>

Replace direct manipulation of ram_counters.transferred with a
function.

Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
 migration/ram.c | 23 ++++++++++++++---------
 1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/migration/ram.c b/migration/ram.c
index 1771bbdb02..619a1d9a6b 100644
--- a/migration/ram.c
+++ b/migration/ram.c
@@ -387,6 +387,11 @@ uint64_t ram_bytes_remaining(void)
 
 MigrationStats ram_counters;
 
+static void ram_transferred_add(uint64_t bytes)
+{
+    ram_counters.transferred += bytes;
+}
+
 /* used by the search for pages to send */
 struct PageSearchStatus {
     /* Current block being searched */
@@ -767,7 +772,7 @@ static int save_xbzrle_page(RAMState *rs, uint8_t **current_data,
      * RAM_SAVE_FLAG_CONTINUE.
      */
     xbzrle_counters.bytes += bytes_xbzrle - 8;
-    ram_counters.transferred += bytes_xbzrle;
+    ram_transferred_add(bytes_xbzrle);
 
     return 1;
 }
@@ -1208,7 +1213,7 @@ static int save_zero_page(RAMState *rs, RAMBlock *block, ram_addr_t offset)
 
     if (len) {
         ram_counters.duplicate++;
-        ram_counters.transferred += len;
+        ram_transferred_add(len);
         return 1;
     }
     return -1;
@@ -1235,7 +1240,7 @@ static bool control_save_page(RAMState *rs, RAMBlock *block, ram_addr_t offset,
     }
 
     if (bytes_xmit) {
-        ram_counters.transferred += bytes_xmit;
+        ram_transferred_add(bytes_xmit);
         *pages = 1;
     }
 
@@ -1266,8 +1271,8 @@ static bool control_save_page(RAMState *rs, RAMBlock *block, ram_addr_t offset,
 static int save_normal_page(RAMState *rs, RAMBlock *block, ram_addr_t offset,
                             uint8_t *buf, bool async)
 {
-    ram_counters.transferred += save_page_header(rs, rs->f, block,
-                                                 offset | RAM_SAVE_FLAG_PAGE);
+    ram_transferred_add(save_page_header(rs, rs->f, block,
+                                         offset | RAM_SAVE_FLAG_PAGE));
     if (async) {
         qemu_put_buffer_async(rs->f, buf, TARGET_PAGE_SIZE,
                               migrate_release_ram() &
@@ -1275,7 +1280,7 @@ static int save_normal_page(RAMState *rs, RAMBlock *block, ram_addr_t offset,
     } else {
         qemu_put_buffer(rs->f, buf, TARGET_PAGE_SIZE);
     }
-    ram_counters.transferred += TARGET_PAGE_SIZE;
+    ram_transferred_add(TARGET_PAGE_SIZE);
     ram_counters.normal++;
     return 1;
 }
@@ -1367,7 +1372,7 @@ static bool do_compress_ram_page(QEMUFile *f, z_stream *stream, RAMBlock *block,
 static void
 update_compress_thread_counts(const CompressParam *param, int bytes_xmit)
 {
-    ram_counters.transferred += bytes_xmit;
+    ram_transferred_add(bytes_xmit);
 
     if (param->zero_page) {
         ram_counters.duplicate++;
@@ -2284,7 +2289,7 @@ void acct_update_position(QEMUFile *f, size_t size, bool zero)
         ram_counters.duplicate += pages;
     } else {
         ram_counters.normal += pages;
-        ram_counters.transferred += size;
+        ram_transferred_add(size);
         qemu_update_position(f, size);
     }
 }
@@ -3040,7 +3045,7 @@ out:
         multifd_send_sync_main(rs->f);
         qemu_put_be64(f, RAM_SAVE_FLAG_EOS);
         qemu_fflush(f);
-        ram_counters.transferred += 8;
+        ram_transferred_add(8);
 
         ret = qemu_file_get_error(f);
     }
-- 
2.34.1