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authornobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-03-30 13:02:16 (GMT)
committernobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2016-03-30 13:02:16 (GMT)
commit828270af133a07cdef1ebd1d4db4c8b23e31eb52 (patch)
tree76622d3e2e02b6aa04c0df19737d1d31f971ba03 /st.c
parent2f6821a7c4e7a52ddc6476ab3fbccf1880be5935 (diff)
st.c: fix collision statistics [ci skip]
* st.c (stat_col): get rid of NaN. * st.c (collision_check): define before used. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54438 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'st.c')
-rw-r--r--st.c10
1 files changed, 4 insertions, 6 deletions
diff --git a/st.c b/st.c
index 086ae4d..9672c2e 100644
--- a/st.c
+++ b/st.c
@@ -185,7 +185,9 @@ static void
stat_col(void)
{
char fname[10+sizeof(long)*3];
- FILE *f = fopen((snprintf(fname, sizeof(fname), "/tmp/col%ld", (long)getpid()), fname), "w");
+ FILE *f;
+ if (!collision.total) return;
+ f = fopen((snprintf(fname, sizeof(fname), "/tmp/col%ld", (long)getpid()), fname), "w");
fprintf(f, "collision: %d / %d (%6.2f)\n", collision.all, collision.total,
((double)collision.all / (collision.total)) * 100);
fprintf(f, "num: %d, str: %d, strcase: %d\n", collision.num, collision.str, collision.strcase);
@@ -338,6 +340,7 @@ count_collision(const struct st_hash_type *type)
}
#define COLLISION (collision_check ? count_collision(table->type) : (void)0)
#define FOUND_ENTRY (collision_check ? collision.total++ : (void)0)
+#define collision_check 0
#else
#define COLLISION
#define FOUND_ENTRY
@@ -379,8 +382,6 @@ find_packed_index(const st_table *table, st_index_t hash_val, st_data_t key)
return find_packed_index_from(table, hash_val, key, 0);
}
-#define collision_check 0
-
int
st_lookup(st_table *table, register st_data_t key, st_data_t *value)
{
@@ -437,9 +438,6 @@ st_get_key(st_table *table, register st_data_t key, st_data_t *result)
}
}
-#undef collision_check
-#define collision_check 1
-
static inline st_table_entry *
new_entry(st_table * table, st_data_t key, st_data_t value,
st_index_t hash_val, register st_index_t bin_pos)