From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45643) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cr9cr-000853-Gj for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cr9cq-0000TG-FZ for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:29 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39972) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cr9cq-0000Sm-6i for qemu-devel@nongnu.org; Thu, 23 Mar 2017 16:46:28 -0400 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.phx2.redhat.com [10.5.11.12]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2518E3710D9 for ; Thu, 23 Mar 2017 20:46:28 +0000 (UTC) From: Juan Quintela Date: Thu, 23 Mar 2017 21:45:19 +0100 Message-Id: <20170323204544.12015-27-quintela@redhat.com> In-Reply-To: <20170323204544.12015-1-quintela@redhat.com> References: <20170323204544.12015-1-quintela@redhat.com> Subject: [Qemu-devel] [PATCH 26/51] ram: Move bytes_transferred into RAMState List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: dgilbert@redhat.com Signed-off-by: Juan Quintela --- migration/ram.c | 35 +++++++++++++++++------------------ 1 file changed, 17 insertions(+), 18 deletions(-) diff --git a/migration/ram.c b/migration/ram.c index 090084b..872ea23 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -197,6 +197,8 @@ struct RAMState { uint64_t xbzrle_overflows; /* number of dirty bits in the bitmap */ uint64_t migration_dirty_pages; + /* total number of bytes transferred */ + uint64_t bytes_transferred; /* protects modification of the bitmap */ QemuMutex bitmap_mutex; /* Ram Bitmap protected by RCU */ @@ -246,6 +248,11 @@ static ram_addr_t ram_save_remaining(void) return ram_state.migration_dirty_pages; } +uint64_t ram_bytes_transferred(void) +{ + return ram_state.bytes_transferred; +} + /* used by the search for pages to send */ struct PageSearchStatus { /* Current block being searched */ @@ -870,9 +877,7 @@ static int do_compress_ram_page(QEMUFile *f, RAMBlock *block, return bytes_sent; } -static uint64_t bytes_transferred; - -static void flush_compressed_data(QEMUFile *f) +static void flush_compressed_data(RAMState *rs, QEMUFile *f) { int idx, len, thread_count; @@ -893,7 +898,7 @@ static void flush_compressed_data(QEMUFile *f) qemu_mutex_lock(&comp_param[idx].mutex); if (!comp_param[idx].quit) { len = qemu_put_qemu_file(f, comp_param[idx].file); - bytes_transferred += len; + rs->bytes_transferred += len; } qemu_mutex_unlock(&comp_param[idx].mutex); } @@ -989,7 +994,7 @@ static int ram_save_compressed_page(RAMState *rs, MigrationState *ms, * is used to avoid resending the block name. */ if (block != rs->last_sent_block) { - flush_compressed_data(f); + flush_compressed_data(rs, f); pages = save_zero_page(rs, f, block, offset, p, bytes_transferred); if (pages == -1) { /* Make sure the first page is sent out before other pages */ @@ -1065,7 +1070,7 @@ static bool find_dirty_block(RAMState *rs, QEMUFile *f, PageSearchStatus *pss, /* If xbzrle is on, stop using the data compression at this * point. In theory, xbzrle can do better than compression. */ - flush_compressed_data(f); + flush_compressed_data(rs, f); compression_switch = false; } } @@ -1448,7 +1453,7 @@ void acct_update_position(QEMUFile *f, size_t size, bool zero) rs->zero_pages += pages; } else { rs->norm_pages += pages; - bytes_transferred += size; + rs->bytes_transferred += size; qemu_update_position(f, size); } } @@ -1458,11 +1463,6 @@ uint64_t ram_bytes_remaining(void) return ram_save_remaining() * TARGET_PAGE_SIZE; } -uint64_t ram_bytes_transferred(void) -{ - return bytes_transferred; -} - uint64_t ram_bytes_total(void) { RAMBlock *block; @@ -2025,7 +2025,6 @@ static int ram_state_init(RAMState *rs) qemu_mutex_lock_ramlist(); rcu_read_lock(); - bytes_transferred = 0; ram_state_reset(rs); rs->ram_bitmap = g_new0(struct RAMBitmap, 1); @@ -2137,7 +2136,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) while ((ret = qemu_file_rate_limit(f)) == 0) { int pages; - pages = ram_find_and_save_block(rs, f, false, &bytes_transferred); + pages = ram_find_and_save_block(rs, f, false, &rs->bytes_transferred); /* no more pages to sent */ if (pages == 0) { done = 1; @@ -2159,7 +2158,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) } i++; } - flush_compressed_data(f); + flush_compressed_data(rs, f); rcu_read_unlock(); /* @@ -2169,7 +2168,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) ram_control_after_iterate(f, RAM_CONTROL_ROUND); qemu_put_be64(f, RAM_SAVE_FLAG_EOS); - bytes_transferred += 8; + rs->bytes_transferred += 8; ret = qemu_file_get_error(f); if (ret < 0) { @@ -2208,14 +2207,14 @@ static int ram_save_complete(QEMUFile *f, void *opaque) int pages; pages = ram_find_and_save_block(rs, f, !migration_in_colo_state(), - &bytes_transferred); + &rs->bytes_transferred); /* no more blocks to sent */ if (pages == 0) { break; } } - flush_compressed_data(f); + flush_compressed_data(rs, f); ram_control_after_iterate(f, RAM_CONTROL_FINISH); rcu_read_unlock(); -- 2.9.3