1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <string.h>
#include "fieldstat.h"
#define ADD_OPER_NUM 1000000
#define MAX_STRING_KEY_LEN 10
const struct fieldstat_tag TEST_TAG_INT = {"INT key_", TAG_INTEGER, {.value_longlong = 100}};
static char *rand_string(char *str, size_t size)
{
const char charset[] = "abcdefghijklmnopqrstuvwxyz.";
if (size) {
--size;
for (size_t n = 0; n < size; n++) {
int key = rand() % (int) (sizeof charset - 1);
str[n] = charset[key];
}
str[size] = '\0';
}
return str;
}
void get_rand_elephant(char buffer[MAX_STRING_KEY_LEN], int flow_nums)
{
memset(buffer, 0, MAX_STRING_KEY_LEN);
sprintf(buffer, "elephant%d", rand() % flow_nums);
}
void flow_id_generate(char buffer[MAX_STRING_KEY_LEN], float elephant_flow_radio, int elephant_flow_number)
{
memset(buffer, 0, MAX_STRING_KEY_LEN);
if ((double)rand() / (double)RAND_MAX < elephant_flow_radio) {
get_rand_elephant(buffer, elephant_flow_number);
} else {
rand_string(buffer, rand() % (MAX_STRING_KEY_LEN - 1) + 2);
}
}
void bin_print_struct(void *obj, size_t sizeof_obj)
{
unsigned char *p = (unsigned char *)obj;
printf("sizeof_obj: %lu\n", sizeof_obj);
for (int i = 0; i < sizeof_obj; i++)
{
printf("%02x ", p[i]);
}
printf("\n");
}
void try_hash_compound_key()
{
struct fieldstat_tag tag1 = {"key1", TAG_INTEGER, {.value_longlong = 100}};
struct fieldstat_tag tag2 = {"key2", TAG_DOUBLE, {.value_double = 100.0}};
struct fieldstat_tag tag3 = {"key3", TAG_CSTRING, {.value_str = "123"}};
struct fieldstat_tag tag_arr[] = {
{"key1", TAG_INTEGER, {.value_longlong = 100}},
{"key2", TAG_DOUBLE, {.value_double = 100.0}},
{"key3", TAG_CSTRING, {.value_str = "123"}},
};
bin_print_struct(&tag1, sizeof(tag1));
bin_print_struct(&tag2, sizeof(tag2));
bin_print_struct(&tag3, sizeof(tag3));
bin_print_struct(tag_arr, sizeof(tag_arr));
}
void performance_cube_add_comprehensive()
{
printf("counter_performance\n");
struct fieldstat_tag tags[64000];
for (int i = 0; i < 64000; i++) {
tags[i] = TEST_TAG_INT;
tags[i].value_longlong = i;
}
getchar();
clock_t start, end;
struct fieldstat *instance = fieldstat_new();
fieldstat_register_cube(instance, &TEST_TAG_INT, 1, SAMPLING_MODE_COMPREHENSIVE, 64000);
fieldstat_register_counter(instance, 0, "test", COUNTER_MERGE_BY_SUM);
start = clock();
for (int i = 0; i < 64000; i++) {
(void)fieldstat_cube_add(instance, 0, &tags[i], 1, 1);
}
end = clock();
printf("time: %f\n", (double)(end - start) / CLOCKS_PER_SEC);
fieldstat_free(instance);
}
extern void build_dynamic_cell_key(const struct fieldstat_tag tags[], size_t n_tags, char **out_key, size_t *out_key_size);
void build_dynamic_cell_key_performance()
{
struct fieldstat_tag tags[100000];
for (int i = 0; i < 100000; i++) {
tags[i] = TEST_TAG_INT;
tags[i].value_longlong = i;
}
char *key;
size_t key_size;
clock_t start, end;
start = clock();
printf("start\n");
for (int i = 0; i < 100000; i++) {
build_dynamic_cell_key(&tags[i], 1, &key, &key_size);
free(key);
}
end = clock();
printf("time: %f\n", (double)(end - start) / CLOCKS_PER_SEC);
}
void topk_K_100_tag_2()
{
printf("topk_K_100_tag_2\n");
getchar();
struct fieldstat *instance = fieldstat_new();
fieldstat_register_cube(instance, &TEST_TAG_INT, 1, SAMPLING_MODE_TOPK, 1000);
fieldstat_register_counter(instance, 0, "test", COUNTER_MERGE_BY_SUM);
struct fieldstat_tag server_ip_tag = {"server_ip", TAG_CSTRING, {.value_str = "192.168.0.1"}};
char client_ip[] = "123.123.123.123.1234";
struct fieldstat_tag client_ip_tag = {"client_ip", TAG_CSTRING, {.value_str = client_ip}};
struct fieldstat_tag *total = (struct fieldstat_tag *)malloc(sizeof(struct fieldstat_tag) * 2);
for (int i = 0; i < 10000; i++) {
char new_ip[sizeof(client_ip)];
snprintf(new_ip, sizeof(new_ip), "%d.%d.%d.%d", rand() % 256, rand() % 256, rand() % 256, rand() % 256);
client_ip_tag.value_str = new_ip;
total[0] = server_ip_tag;
total[1] = client_ip_tag;
long long int increment = rand() % 5000;
int cell_id = fieldstat_cube_add(instance, 0, total, 2, increment);
if (cell_id == -1) {
continue;
}
fieldstat_counter_incrby(instance, 0, 0, cell_id, increment);
}
fieldstat_free(instance);
getchar();
}
int my_cmp_int(const void *a, const void *b)
{
return *(int *)a - *(int *)b;
}
int topk_and_find_max_cell_id(int K, int *tag_vals, int n_tags)
{
struct fieldstat *instance = fieldstat_new();
fieldstat_register_cube(instance, &TEST_TAG_INT, 1, SAMPLING_MODE_TOPK, K);
fieldstat_register_counter(instance, 0, "test", COUNTER_MERGE_BY_SUM);
struct fieldstat_tag total = TEST_TAG_INT;
for (int i = 0; i < n_tags; i++) {
total.value_longlong = tag_vals[i];
int cell_id = fieldstat_cube_add(instance, 0, &total, 1, 1);
if (cell_id == -1) {
continue;
}
fieldstat_counter_incrby(instance, 0, 0, cell_id, 1);
}
int *ret_cell_ids = NULL;
struct fieldstat_tag_list *tag_list = NULL;
size_t n_cell = 0;
fieldstat_get_cells(instance, 0, 0, &ret_cell_ids, &tag_list, &n_cell);
qsort(ret_cell_ids, n_cell, sizeof(int), my_cmp_int);
int max_cell_id = ret_cell_ids[n_cell - 1];
free(ret_cell_ids);
fieldstat_tag_list_arr_free(tag_list, n_cell);
fieldstat_free(instance);
return max_cell_id;
}
void determine_K_factor()
{
int K[] = {10, 100, 1000, 5000};
int tag_vals[100000];
for (int test_round = 0; test_round < 5; test_round++) {
// set rand seed
srand(test_round);
for (int i = 0; i < 100000; i++) {
tag_vals[i] = rand() % 100000; // purely random
}
for (int i = 0; i < 4; i++) {
int max_cell = topk_and_find_max_cell_id(K[i], tag_vals, 100000);
printf("K: %d, max_cell: %d\n", K[i], max_cell);
}
}
}
int main () {
// try_hash_compound_key();
// topk_K_100_tag_2();
performance_cube_add_comprehensive();
// build_dynamic_cell_key_performance();
// determine_K_factor();
}
|
