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author | Orit Wasserman <owasserm@redhat.com> | 2012-08-06 21:42:57 +0300 |
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committer | Juan Quintela <quintela@redhat.com> | 2012-08-08 13:51:12 +0200 |
commit | f36d55af7408abceeee2543f697647ff86bd8a24 (patch) | |
tree | 43e0eef5338a2c3ca47436a4d9e0c20fc760c500 /arch_init.c | |
parent | 004d4c10aee9d64869ca3a8ef21f56c0045bf31b (diff) | |
download | qemu-f36d55af7408abceeee2543f697647ff86bd8a24.zip |
Add XBZRLE statistics
Signed-off-by: Benoit Hudzia <benoit.hudzia@sap.com>
Signed-off-by: Petter Svard <petters@cs.umu.se>
Signed-off-by: Aidan Shribman <aidan.shribman@sap.com>
Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Diffstat (limited to 'arch_init.c')
-rw-r--r-- | arch_init.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch_init.c b/arch_init.c index 7ddbd7fa11..ee692ae4e5 100644 --- a/arch_init.c +++ b/arch_init.c @@ -206,6 +206,10 @@ typedef struct AccountingInfo { uint64_t dup_pages; uint64_t norm_pages; uint64_t iterations; + uint64_t xbzrle_bytes; + uint64_t xbzrle_pages; + uint64_t xbzrle_cache_miss; + uint64_t xbzrle_overflows; } AccountingInfo; static AccountingInfo acct_info; @@ -235,6 +239,26 @@ uint64_t norm_mig_pages_transferred(void) return acct_info.norm_pages; } +uint64_t xbzrle_mig_bytes_transferred(void) +{ + return acct_info.xbzrle_bytes; +} + +uint64_t xbzrle_mig_pages_transferred(void) +{ + return acct_info.xbzrle_pages; +} + +uint64_t xbzrle_mig_pages_cache_miss(void) +{ + return acct_info.xbzrle_cache_miss; +} + +uint64_t xbzrle_mig_pages_overflow(void) +{ + return acct_info.xbzrle_overflows; +} + static void save_block_hdr(QEMUFile *f, RAMBlock *block, ram_addr_t offset, int cont, int flag) { @@ -259,6 +283,7 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, if (!cache_is_cached(XBZRLE.cache, current_addr)) { cache_insert(XBZRLE.cache, current_addr, g_memdup(current_data, TARGET_PAGE_SIZE)); + acct_info.xbzrle_cache_miss++; return -1; } @@ -276,6 +301,7 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, return 0; } else if (encoded_len == -1) { DPRINTF("Overflow\n"); + acct_info.xbzrle_overflows++; /* update data in the cache */ memcpy(prev_cached_page, current_data, TARGET_PAGE_SIZE); return -1; @@ -290,6 +316,8 @@ static int save_xbzrle_page(QEMUFile *f, uint8_t *current_data, qemu_put_be16(f, encoded_len); qemu_put_buffer(f, XBZRLE.encoded_buf, encoded_len); bytes_sent = encoded_len + 1 + 2; + acct_info.xbzrle_pages++; + acct_info.xbzrle_bytes += bytes_sent; return bytes_sent; } |