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Enhance the sqlite3_stmt_scanstatus() API and add sqlite3_stmt_scanstatus_v2(). For creation of easier to read query performance reports.

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FossilOrigin-Name: 55800833645739efeddcacef464c623931cb6aeb43f4219b4e4faf473c25c8bb
This commit is contained in:
dan
2022-12-02 20:32:22 +00:00
parent bb4e4a4840
commit 231ff4b027
17 changed files with 546 additions and 137 deletions
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55
src/vdbe.c
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@@ -617,7 +617,6 @@ void sqlite3VdbeRegisterDump(Vdbe *v){
# define REGISTER_TRACE(R,M)
#endif
#ifndef NDEBUG
/*
** This function is only called from within an assert() expression. It
@@ -707,10 +706,8 @@ int sqlite3VdbeExec(
){
Op *aOp = p->aOp; /* Copy of p->aOp */
Op *pOp = aOp; /* Current operation */
#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE)
Op *pOrigOp; /* Value of pOp at the top of the loop */
#endif
#ifdef SQLITE_DEBUG
Op *pOrigOp; /* Value of pOp at the top of the loop */
int nExtraDelete = 0; /* Verifies FORDELETE and AUXDELETE flags */
#endif
int rc = SQLITE_OK; /* Value to return */
@@ -727,8 +724,8 @@ int sqlite3VdbeExec(
Mem *pIn2 = 0; /* 2nd input operand */
Mem *pIn3 = 0; /* 3rd input operand */
Mem *pOut = 0; /* Output operand */
#ifdef VDBE_PROFILE
u64 start; /* CPU clock count at start of opcode */
#if defined(SQLITE_ENABLE_STMT_SCANSTATUS) || defined(VDBE_PROFILE)
u64 *pnCycle = 0;
#endif
/*** INSERT STACK UNION HERE ***/
@@ -791,12 +788,17 @@ int sqlite3VdbeExec(
assert( rc==SQLITE_OK );
assert( pOp>=aOp && pOp<&aOp[p->nOp]);
#ifdef VDBE_PROFILE
start = sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
#endif
nVmStep++;
#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
if( p->anExec ) p->anExec[(int)(pOp-aOp)]++;
#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];
# ifdef VDBE_PROFILE
if( sqlite3NProfileCnt==0 )
# endif
*pnCycle -= sqlite3Hwtime();
}
#endif
/* Only allow tracing if SQLITE_DEBUG is defined.
@@ -858,7 +860,7 @@ int sqlite3VdbeExec(
}
}
#endif
#if defined(SQLITE_DEBUG) || defined(VDBE_PROFILE)
#ifdef SQLITE_DEBUG
pOrigOp = pOp;
#endif
@@ -7150,8 +7152,9 @@ case OP_Program: { /* jump */
pFrame->aOp = p->aOp;
pFrame->nOp = p->nOp;
pFrame->token = pProgram->token;
#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
#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;
@@ -7189,8 +7192,9 @@ case OP_Program: { /* jump */
memset(pFrame->aOnce, 0, (pProgram->nOp + 7)/8);
p->aOp = aOp = pProgram->aOp;
p->nOp = pProgram->nOp;
#ifdef SQLITE_ENABLE_STMT_SCANSTATUS
#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
@@ -8727,11 +8731,16 @@ default: { /* This is really OP_Noop, OP_Explain */
*****************************************************************************/
}
#ifdef VDBE_PROFILE
{
u64 endTime = sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
if( endTime>start ) pOrigOp->cycles += endTime - start;
pOrigOp->cnt++;
#if defined(VDBE_PROFILE)
assert( pnCycle );
if( pnCycle ){
*pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
pnCycle = 0;
}
#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS)
if( pnCycle ){
*pnCycle += sqlite3Hwtime();
pnCycle = 0;
}
#endif
@@ -8808,6 +8817,14 @@ abort_due_to_error:
** release the mutexes on btrees that were acquired at the
** top. */
vdbe_return:
#if defined(VDBE_PROFILE)
if( pnCycle ){
*pnCycle += sqlite3NProfileCnt ? sqlite3NProfileCnt : sqlite3Hwtime();
}
#elif defined(SQLITE_ENABLE_STMT_SCANSTATUS)
if( pnCycle ) *pnCycle += sqlite3Hwtime();
#endif
#ifndef SQLITE_OMIT_PROGRESS_CALLBACK
while( nVmStep>=nProgressLimit && db->xProgress!=0 ){
nProgressLimit += db->nProgressOps;