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Reduce the overhead of SQLITE_ENABLE_STMT_SCANSTATUS some.

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FossilOrigin-Name: 212927e97e7be7d237de08359dce0dfb9211ac406b32009a6e15afd79c006475
This commit is contained in:
dan
2022-12-07 20:09:54 +00:00
parent 209dbab997
commit 7f4b066eb2
7 changed files with 51 additions and 77 deletions
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42
src/vdbe.c
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@@ -790,15 +790,12 @@ int sqlite3VdbeExec(
assert( pOp>=aOp && pOp<&aOp[p->nOp]);
nVmStep++;
#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE)
if( p->anExec ){
assert( p->anExec && p->anCycle );
p->anExec[(int)(pOp-aOp)]++;
pnCycle = &p->anCycle[pOp-aOp];
pOp->nExec++;
pnCycle = &pOp->nCycle;
# ifdef VDBE_PROFILE
if( sqlite3NProfileCnt==0 )
if( sqlite3NProfileCnt==0 )
# endif
*pnCycle -= sqlite3Hwtime();
}
*pnCycle -= sqlite3Hwtime();
#endif
/* Only allow tracing if SQLITE_DEBUG is defined.
@@ -7152,10 +7149,6 @@ case OP_Program: { /* jump */
pFrame->aOp = p->aOp;
pFrame->nOp = p->nOp;
pFrame->token = pProgram->token;
#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE)
pFrame->anExec = p->anExec;
pFrame->anCycle = p->anCycle;
#endif
#ifdef SQLITE_DEBUG
pFrame->iFrameMagic = SQLITE_FRAME_MAGIC;
#endif
@@ -7192,10 +7185,6 @@ case OP_Program: { /* jump */
memset(pFrame->aOnce, 0, (pProgram->nOp + 7)/8);
p->aOp = aOp = pProgram->aOp;
p->nOp = pProgram->nOp;
#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE)
p->anExec = 0;
p->anCycle = 0;
#endif
#ifdef SQLITE_DEBUG
/* Verify that second and subsequent executions of the same trigger do not
** try to reuse register values from the first use. */
@@ -8732,17 +8721,11 @@ default: { /* This is really OP_Noop, OP_Explain */
}
#if defined(VDBE_PROFILE)
assert( pnCycle );
if( pnCycle ){
*pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
assert( *pnCycle < (((u64)1) << 48) );
pnCycle = 0;
}
*pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
pnCycle = 0;
#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS)
if( pnCycle ){
*pnCycle += sqlite3Hwtime();
pnCycle = 0;
}
*pnCycle += sqlite3Hwtime();
pnCycle = 0;
#endif
/* The following code adds nothing to the actual functionality
@@ -8819,11 +8802,10 @@ abort_due_to_error:
** top. */
vdbe_return:
#if defined(VDBE_PROFILE)
if( pnCycle ){
*pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
assert( *pnCycle < (((u64)1) << 48) );
pnCycle = 0;
}
if( pnCycle ){
*pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
pnCycle = 0;
}
#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS)
if( pnCycle ){
*pnCycle += sqlite3Hwtime();