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Add test cases for the new lookaside hit and miss status outputs. Add

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the output of lookaside hit and miss to the command-line shell statistics.

FossilOrigin-Name: b0888047bb6d9ac55e29b9224df2ff650728bb78
This commit is contained in:
drh
2010-12-21 21:28:38 +00:00
parent e0a55f443b
commit 2a58e9cc32
5 changed files with 50 additions and 27 deletions
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8
src/shell.c
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@@ -984,7 +984,7 @@ static int display_stats(
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);
fprintf(pArg->out, "Number of Outstanding Allocations: %d (max %d)\n", iCur, iHiwtr);
/*
** Not currently used by the CLI.
** iHiwtr = iCur = -1;
@@ -1023,6 +1023,12 @@ static int display_stats(
iHiwtr = iCur = -1;
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Lookaside Slots Used: %d (max %d)\n", iCur, iHiwtr);
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Successful lookaside attempts: %d\n", iHiwtr);
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Lookaside failures due to size: %d\n", iHiwtr);
sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Lookaside failures due to OOM: %d\n", iHiwtr);
iHiwtr = iCur = -1;
sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset);
fprintf(pArg->out, "Pager Heap Usage: %d bytes\n", iCur);