Boolean_T stat_olympic(Stat_T *ptr)
{
if (ptr->count < 3)
return Error_;
stat_delete(ptr->min1, ptr);
stat_delete(ptr->max1, ptr);
return Success_;
}
// update or insert stat values
int
NdbIndexStat::stat_update(const Uint32* key1, Uint32 keylen1, const Uint32* key2, Uint32 keylen2, const float pct[2])
{
const Uint32* const key[2] = { key1, key2 };
const Uint32 keylen[2] = { keylen1, keylen2 };
Uint32 idir;
for (idir = 0; idir <= 1; idir++) {
Area& a = m_area[idir];
Uint32 k;
bool match;
stat_search(a, key[idir], keylen[idir], &k, &match);
Uint16 seq = m_seq++;
if (match) {
// update old entry
NdbIndexStat::Pointer& p = a.get_pointer(k);
NdbIndexStat::Entry& e = a.get_entry(k);
e.m_pct = pct[idir];
p.m_seq = seq;
} else {
Uint32 entrylen = NdbIndexStat::EntrySize + keylen[idir];
Uint32 need = NdbIndexStat::PointerSize + entrylen;
while (need > a.m_free) {
Uint32 j = stat_oldest(a);
if (j < k)
k--;
stat_delete(a, j);
}
// insert pointer
Uint32 i;
for (i = a.m_entries; i > k; i--) {
NdbIndexStat::Pointer& p1 = a.get_pointer(i);
NdbIndexStat::Pointer& p2 = a.get_pointer(i - 1);
p1 = p2;
}
NdbIndexStat::Pointer& p = a.get_pointer(k);
// insert entry
Uint32 firstpos = a.get_firstpos();
p.m_pos = firstpos - entrylen;
NdbIndexStat::Entry& e = a.get_entry(k);
e.m_pct = pct[idir];
e.m_keylen = keylen[idir];
Uint32* entrykey = (Uint32*)&e + EntrySize;
for (i = 0; i < keylen[idir]; i++) {
entrykey[i] = key[idir][i];
}
p.m_seq = seq;
// total
a.m_free -= PointerSize + entrylen;
a.m_entries++;
}
}
stat_verify();
return 0;
}
void
main(void)
{
struct stat_sdb_t *sdb;
struct stat_stat_t *stat, *stat1, *stat2, *stat3, *stat4, *stat5;
int an_int;
unsigned int a_uint;
float a_float;
double a_double;
static char *my_imap[8] = {
"foo", "bar", "uxxe", "blah", "gaga", "dada", "mama", "googoo"
};
/* make stats database */
sdb = stat_new();
/* register stat variables */
stat_reg_int(sdb, "stat.an_int", "An integer stat variable.",
&an_int, 1, NULL);
stat_reg_uint(sdb, "stat.a_uint", "An unsigned integer stat variable.",
&a_uint, 2, "%u (unsigned)");
stat_reg_float(sdb, "stat.a_float", "A float stat variable.",
&a_float, 3, NULL);
stat_reg_double(sdb, "stat.a_double", "A double stat variable.",
&a_double, 4, NULL);
stat_reg_formula(sdb, "stat.a_formula", "A double stat formula.",
"stat.a_float / stat.a_uint", NULL);
stat_reg_formula(sdb, "stat.a_formula1", "A double stat formula #1.",
"2 * (stat.a_formula / (1.5 * stat.an_int))", NULL);
stat_reg_formula(sdb, "stat.a_bad_formula", "A double stat formula w/error.",
"stat.a_float / (stat.a_uint - 2)", NULL);
stat = stat_reg_dist(sdb, "stat.a_dist", "An array distribution.",
0, 8, 1, PF_ALL, NULL, NULL, NULL);
stat1 = stat_reg_dist(sdb, "stat.a_dist1", "An array distribution #1.",
0, 8, 4, PF_ALL, NULL, NULL, NULL);
stat2 = stat_reg_dist(sdb, "stat.a_dist2", "An array distribution #2.",
0, 8, 1, (PF_PDF|PF_CDF), NULL, NULL, NULL);
stat3 = stat_reg_dist(sdb, "stat.a_dist3", "An array distribution #3.",
0, 8, 1, PF_ALL, NULL, my_imap, NULL);
stat4 = stat_reg_sdist(sdb, "stat.a_sdist", "A sparse array distribution.",
0, PF_ALL, NULL, NULL);
stat5 = stat_reg_sdist(sdb, "stat.a_sdist1",
"A sparse array distribution #1.",
0, PF_ALL, "0x%08lx %10lu %6.2f %6.2f",
NULL);
/* print initial stats */
fprintf(stdout, "** Initial stats...\n");
stat_print_stats(sdb, stdout);
/* adjust stats */
an_int++;
a_uint++;
a_float *= 2;
a_double *= 4;
stat_add_sample(stat, 8);
stat_add_sample(stat, 8);
stat_add_sample(stat, 1);
stat_add_sample(stat, 3);
stat_add_sample(stat, 4);
stat_add_sample(stat, 4);
stat_add_sample(stat, 7);
stat_add_sample(stat1, 32);
stat_add_sample(stat1, 32);
stat_add_sample(stat1, 1);
stat_add_sample(stat1, 12);
stat_add_sample(stat1, 17);
stat_add_sample(stat1, 18);
stat_add_sample(stat1, 30);
stat_add_sample(stat2, 8);
stat_add_sample(stat2, 8);
stat_add_sample(stat2, 1);
stat_add_sample(stat2, 3);
stat_add_sample(stat2, 4);
stat_add_sample(stat2, 4);
stat_add_sample(stat2, 7);
stat_add_sample(stat3, 8);
stat_add_sample(stat3, 8);
stat_add_sample(stat3, 1);
stat_add_sample(stat3, 3);
stat_add_sample(stat3, 4);
stat_add_sample(stat3, 4);
stat_add_sample(stat3, 7);
stat_add_sample(stat4, 800);
stat_add_sample(stat4, 800);
stat_add_sample(stat4, 1123);
stat_add_sample(stat4, 3332);
stat_add_sample(stat4, 4000);
stat_add_samples(stat4, 4001, 18);
stat_add_sample(stat4, 7);
stat_add_sample(stat5, 800);
stat_add_sample(stat5, 800);
stat_add_sample(stat5, 1123);
stat_add_sample(stat5, 3332);
stat_add_sample(stat5, 4000);
stat_add_samples(stat5, 4001, 18);
stat_add_sample(stat5, 7);
/* print final stats */
fprintf(stdout, "** Final stats...\n");
stat_print_stats(sdb, stdout);
/* all done */
stat_delete(sdb);
exit(0);
}
