ITS#7467 add verbose freelist info

This commit is contained in:
Howard Chu 2012-12-07 13:19:36 -08:00
parent 784757faa9
commit e26fc73417

View File

@ -31,7 +31,7 @@ static void prstat(MDB_stat *ms)
static void usage(char *prog)
{
fprintf(stderr, "usage: %s dbpath [-e] [-f] [-n] [-a|-s subdb]\n", prog);
fprintf(stderr, "usage: %s dbpath [-e] [-f[f]] [-n] [-a|-s subdb]\n", prog);
exit(EXIT_FAILURE);
}
@ -122,7 +122,7 @@ int main(int argc, char *argv[])
if (freinfo) {
MDB_cursor *cursor;
MDB_val data;
MDB_val key, data;
size_t pages = 0, *iptr;
printf("Freelist Status\n");
@ -137,12 +137,20 @@ int main(int argc, char *argv[])
printf("mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort;
}
while ((rc = mdb_cursor_get(cursor, NULL, &data, MDB_NEXT)) == 0) {
prstat(&mst);
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
iptr = data.mv_data;
pages += *iptr;
if (freinfo > 1) {
size_t i, j;
j = *iptr++;
printf(" Transaction %zu, %zu pages\n",
*(size_t *)key.mv_data, j);
for (i=0; i<j; i++)
printf(" %zu\n", iptr[i]);
}
}
mdb_cursor_close(cursor);
prstat(&mst);
printf(" Free pages: %zu\n", pages);
}