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Add SQLITE_STATUS_PAGECACHE_SIZE and SQLITE_STATUS_SCRATCH_SIZE. (CVS 5537)

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FossilOrigin-Name: c4e9b824062ba82a8db01cd82e3e681de1940208
This commit is contained in:
drh
2008-08-05 17:53:22 +00:00
parent e9d1c720ee
commit e50135e26d
8 changed files with 72 additions and 36 deletions
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6
src/malloc.c
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@@ -12,7 +12,7 @@
**
** Memory allocation functions used throughout sqlite.
**
** $Id: malloc.c,v 1.33 2008/08/01 16:31:14 drh Exp $
** $Id: malloc.c,v 1.34 2008/08/05 17:53:23 drh Exp $
*/
#include "sqliteInt.h"
#include <stdarg.h>
@@ -312,6 +312,7 @@ void *sqlite3ScratchMalloc(int n){
sqlite3_mutex_leave(mem0.mutex);
i *= sqlite3Config.szScratch;
sqlite3StatusAdd(SQLITE_STATUS_SCRATCH_USED, 1);
sqlite3StatusSet(SQLITE_STATUS_SCRATCH_SIZE, n);
p = (void*)&((char*)sqlite3Config.pScratch)[i];
}
}
@@ -324,6 +325,7 @@ void *sqlite3ScratchMalloc(int n){
scratch_overflow:
if( sqlite3Config.bMemstat ){
sqlite3_mutex_enter(mem0.mutex);
sqlite3StatusSet(SQLITE_STATUS_SCRATCH_SIZE, n);
n = mallocWithAlarm(n, &p);
if( p ) sqlite3StatusAdd(SQLITE_STATUS_SCRATCH_OVERFLOW, n);
sqlite3_mutex_leave(mem0.mutex);
@@ -398,6 +400,7 @@ void *sqlite3PageMalloc(int n){
i = mem0.aPageFree[--mem0.nPageFree];
sqlite3_mutex_leave(mem0.mutex);
i *= sqlite3Config.szPage;
sqlite3StatusSet(SQLITE_STATUS_PAGECACHE_SIZE, n);
sqlite3StatusAdd(SQLITE_STATUS_PAGECACHE_USED, 1);
p = (void*)&((char*)sqlite3Config.pPage)[i];
}
@@ -407,6 +410,7 @@ void *sqlite3PageMalloc(int n){
page_overflow:
if( sqlite3Config.bMemstat ){
sqlite3_mutex_enter(mem0.mutex);
sqlite3StatusSet(SQLITE_STATUS_PAGECACHE_SIZE, n);
n = mallocWithAlarm(n, &p);
if( p ) sqlite3StatusAdd(SQLITE_STATUS_PAGECACHE_OVERFLOW, n);
sqlite3_mutex_leave(mem0.mutex);