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ITS#7467 add verbose freelist info

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This commit is contained in:
Howard Chu 2012-12-07 13:19:36 -08:00
parent 784757faa9
commit e26fc73417
1 changed files with 12 additions and 4 deletions
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16
libraries/liblmdb/mdb_stat.c
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@ -31,7 +31,7 @@ static void prstat(MDB_stat *ms)
static void usage(char *prog) 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); exit(EXIT_FAILURE);
} }
@ -122,7 +122,7 @@ int main(int argc, char *argv[])
if (freinfo) { if (freinfo) {
MDB_cursor *cursor; MDB_cursor *cursor;
MDB_val data; MDB_val key, data;
size_t pages = 0, *iptr; size_t pages = 0, *iptr;
printf("Freelist Status\n"); 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)); printf("mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
goto txn_abort; 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; iptr = data.mv_data;
pages += *iptr; 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); mdb_cursor_close(cursor);
prstat(&mst);
printf(" Free pages: %zu\n", pages); printf(" Free pages: %zu\n", pages);
} }