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Overview
| Comment: | Record the pcache allocation size statistics even for pcache overflow allocations. Adjust the wording on one of the stat output lines in the shell. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
f9adf66ad575abbb63736caef27bd3c6 |
| User & Date: | drh 2010-07-28 17:01:24 |
Context
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2010-07-28
| ||
| 17:16 | Adjust the shell test script "shell4.test" to account for changes in the ".stat on" display format from the previous checkin. check-in: 2f2fa7dd user: drh tags: trunk | |
| 17:01 | Record the pcache allocation size statistics even for pcache overflow allocations. Adjust the wording on one of the stat output lines in the shell. check-in: f9adf66a user: drh tags: trunk | |
| 16:05 | Modify CLI to optionally display "stats". check-in: 419ce0ed user: shaneh tags: trunk | |
Changes
Changes to src/pcache1.c.
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** configured using sqlite3_config(SQLITE_CONFIG_PAGECACHE) option. If no
** such buffer exists or there is no space left in it, this function falls
** back to sqlite3Malloc().
*/
static void *pcache1Alloc(int nByte){
void *p;
assert( sqlite3_mutex_held(pcache1.mutex) );
if( nByte<=pcache1.szSlot && pcache1.pFree ){
assert( pcache1.isInit );
p = (PgHdr1 *)pcache1.pFree;
pcache1.pFree = pcache1.pFree->pNext;
sqlite3StatusSet(SQLITE_STATUS_PAGECACHE_SIZE, nByte);
sqlite3StatusAdd(SQLITE_STATUS_PAGECACHE_USED, 1);
}else{
/* Allocate a new buffer using sqlite3Malloc. Before doing so, exit the
** global pcache mutex and unlock the pager-cache object pCache. This is
** so that if the attempt to allocate a new buffer causes the the
** configured soft-heap-limit to be breached, it will be possible to
|
> < |
148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 |
** configured using sqlite3_config(SQLITE_CONFIG_PAGECACHE) option. If no
** such buffer exists or there is no space left in it, this function falls
** back to sqlite3Malloc().
*/
static void *pcache1Alloc(int nByte){
void *p;
assert( sqlite3_mutex_held(pcache1.mutex) );
sqlite3StatusSet(SQLITE_STATUS_PAGECACHE_SIZE, nByte);
if( nByte<=pcache1.szSlot && pcache1.pFree ){
assert( pcache1.isInit );
p = (PgHdr1 *)pcache1.pFree;
pcache1.pFree = pcache1.pFree->pNext;
sqlite3StatusAdd(SQLITE_STATUS_PAGECACHE_USED, 1);
}else{
/* Allocate a new buffer using sqlite3Malloc. Before doing so, exit the
** global pcache mutex and unlock the pager-cache object pCache. This is
** so that if the attempt to allocate a new buffer causes the the
** configured soft-heap-limit to be breached, it will be possible to
|
Changes to src/shell.c.
973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 |
int iCur;
int iHiwtr;
if( pArg && pArg->out ){
iHiwtr = iCur = -1;
sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Mem Used (Excludes Scratch/Pcache): %d (max %d) bytes\n", iCur, iHiwtr);
iHiwtr = iCur = -1;
sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Number of Allocations: %d (max %d)\n", iCur, iHiwtr);
/*
** Not currently used by the CLI.
** iHiwtr = iCur = -1;
** sqlite3_status(SQLITE_STATUS_PAGECACHE_USED, &iCur, &iHiwtr, bReset);
|
| |
973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 |
int iCur;
int iHiwtr;
if( pArg && pArg->out ){
iHiwtr = iCur = -1;
sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Memory Used: %d (max %d) bytes\n", iCur, iHiwtr);
iHiwtr = iCur = -1;
sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Number of Allocations: %d (max %d)\n", iCur, iHiwtr);
/*
** Not currently used by the CLI.
** iHiwtr = iCur = -1;
** sqlite3_status(SQLITE_STATUS_PAGECACHE_USED, &iCur, &iHiwtr, bReset);
|