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Change sqlite3StatusSet() into sqlite3StatusHighwater() so that only the

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highwater mark is recorded.  This gives a small size reduction and
performance improvement.

FossilOrigin-Name: 6422d223dd10018703c6b083d29a3c35c837fc97
This commit is contained in:
drh
2015-10-15 15:28:56 +00:00
parent 9676c48199
commit b02392e6f0
8 changed files with 30 additions and 26 deletions
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6
src/malloc.c
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@@ -224,7 +224,7 @@ static int mallocWithAlarm(int n, void **pp){
void *p;
assert( sqlite3_mutex_held(mem0.mutex) );
nFull = sqlite3GlobalConfig.m.xRoundup(n);
sqlite3StatusSet(SQLITE_STATUS_MALLOC_SIZE, n);
sqlite3StatusHighwater(SQLITE_STATUS_MALLOC_SIZE, n);
if( mem0.alarmThreshold>0 ){
sqlite3_int64 nUsed = sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED);
if( nUsed >= mem0.alarmThreshold - nFull ){
@@ -316,7 +316,7 @@ void *sqlite3ScratchMalloc(int n){
assert( n>0 );
sqlite3_mutex_enter(mem0.mutex);
sqlite3StatusSet(SQLITE_STATUS_SCRATCH_SIZE, n);
sqlite3StatusHighwater(SQLITE_STATUS_SCRATCH_SIZE, n);
if( mem0.nScratchFree && sqlite3GlobalConfig.szScratch>=n ){
p = mem0.pScratchFree;
mem0.pScratchFree = mem0.pScratchFree->pNext;
@@ -518,7 +518,7 @@ void *sqlite3Realloc(void *pOld, u64 nBytes){
pNew = pOld;
}else if( sqlite3GlobalConfig.bMemstat ){
sqlite3_mutex_enter(mem0.mutex);
sqlite3StatusSet(SQLITE_STATUS_MALLOC_SIZE, (int)nBytes);
sqlite3StatusHighwater(SQLITE_STATUS_MALLOC_SIZE, (int)nBytes);
nDiff = nNew - nOld;
if( sqlite3StatusValue(SQLITE_STATUS_MEMORY_USED) >=
mem0.alarmThreshold-nDiff ){