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Add test case 'cgt_pager_1', intended for use with callgrind to detect performance regression in the pager module, to threadtest3.c.

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FossilOrigin-Name: b5d46f1ea08db2b88d2205bc283b9262ad970b55
This commit is contained in:
dan
2010-08-07 05:15:22 +00:00
parent 85d14ed238
commit 16f7720ede
3 changed files with 63 additions and 7 deletions
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56
test/threadtest3.c
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@ -517,6 +517,7 @@ static void opendb_x(
pDb->db, "md5sum", -1, SQLITE_UTF8, 0, 0, md5step, md5finalize
);
sqlite3_busy_handler(pDb->db, busyhandler, 0);
sqlite3_exec(pDb->db, "PRAGMA synchronous=OFF", 0, 0, 0);
}
}
}
@ -1219,6 +1220,58 @@ static void walthread5(int nMs){
print_and_free_err(&err);
}
/*------------------------------------------------------------------------
** Test case "cgt_pager_1"
*/
#define CALLGRINDTEST1_NROW 10000
static void cgt_pager_1_populate(Error *pErr, Sqlite *pDb){
const char *zInsert = "INSERT INTO t1 VALUES(:iRow, zeroblob(:iBlob))";
i64 iRow;
sql_script(pErr, pDb, "BEGIN");
for(iRow=1; iRow<=CALLGRINDTEST1_NROW; iRow++){
i64 iBlob = 600 + (iRow%300);
execsql(pErr, pDb, zInsert, &iRow, &iBlob);
}
sql_script(pErr, pDb, "COMMIT");
}
static void cgt_pager_1_update(Error *pErr, Sqlite *pDb){
const char *zUpdate = "UPDATE t1 SET b = zeroblob(:iBlob) WHERE a = :iRow";
i64 iRow;
sql_script(pErr, pDb, "BEGIN");
for(iRow=1; iRow<=CALLGRINDTEST1_NROW; iRow++){
i64 iBlob = 600 + ((iRow+100)%300);
execsql(pErr, pDb, zUpdate, &iBlob, &iRow);
}
sql_script(pErr, pDb, "COMMIT");
}
static void cgt_pager_1_read(Error *pErr, Sqlite *pDb){
i64 iRow;
sql_script(pErr, pDb, "BEGIN");
for(iRow=1; iRow<=CALLGRINDTEST1_NROW; iRow++){
execsql(pErr, pDb, "SELECT * FROM t1 WHERE a = :iRow", &iRow);
}
sql_script(pErr, pDb, "COMMIT");
}
static void cgt_pager_1(int nMs){
void (*xSub)(Error *, Sqlite *);
Error err = {0};
Sqlite db = {0};
opendb(&err, &db, "test.db", 1);
sql_script(&err, &db,
"PRAGMA cache_size = 2000;"
"PRAGMA page_size = 1024;"
"CREATE TABLE t1(a INTEGER PRIMARY KEY, b BLOB);"
);
xSub = cgt_pager_1_populate; xSub(&err, &db);
xSub = cgt_pager_1_update; xSub(&err, &db);
xSub = cgt_pager_1_read; xSub(&err, &db);
closedb(&err, &db);
print_and_free_err(&err);
}
int main(int argc, char **argv){
struct ThreadTest {
void (*xTest)(int);
@ -1230,6 +1283,9 @@ int main(int argc, char **argv){
{ walthread3, "walthread3", 20000 },
{ walthread4, "walthread4", 20000 },
{ walthread5, "walthread5", 1000 },
{ walthread5, "walthread5", 1000 },
{ cgt_pager_1, "cgt_pager_1", 0 },
};
int i;