mirror of
https://github.com/php/php-src.git
synced 2024-09-21 18:07:23 +00:00
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/*
|
|
+----------------------------------------------------------------------+
|
|
| Zend Engine |
|
|
+----------------------------------------------------------------------+
|
|
| Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
|
|
+----------------------------------------------------------------------+
|
|
| This source file is subject to version 2.00 of the Zend license, |
|
|
| that is bundled with this package in the file LICENSE, and is |
|
|
| available through the world-wide-web at the following url: |
|
|
| http://www.zend.com/license/2_00.txt. |
|
|
| If you did not receive a copy of the Zend license and are unable to |
|
|
| obtain it through the world-wide-web, please send a note to |
|
|
| license@zend.com so we can mail you a copy immediately. |
|
|
+----------------------------------------------------------------------+
|
|
| Authors: Dmitry Stogov <dmitry@php.net> |
|
|
+----------------------------------------------------------------------+
|
|
*/
|
|
|
|
#include "zend_sort.h"
|
|
|
|
#define VM_TRACE(op) zend_vm_trace(#op, sizeof(#op)-1);
|
|
#define VM_TRACE_START() zend_vm_trace_init();
|
|
#define VM_TRACE_END() zend_vm_trace_finish();
|
|
|
|
static HashTable vm_trace_ht;
|
|
|
|
static void zend_vm_trace(const char *op, size_t op_len)
|
|
{
|
|
static const char *last = NULL;
|
|
static size_t last_len = 0;
|
|
char buf[256];
|
|
size_t len;
|
|
zval tmp, *zv;
|
|
|
|
if (EXPECTED(last)) {
|
|
len = last_len + 1 + op_len;
|
|
memcpy(buf, last, last_len);
|
|
buf[last_len] = ' ';
|
|
memcpy(buf + last_len + 1, op, op_len + 1);
|
|
zv = zend_hash_str_find(&vm_trace_ht, buf, len);
|
|
if (EXPECTED(zv)) {
|
|
if (EXPECTED(Z_LVAL_P(zv) < ZEND_LONG_MAX)) {
|
|
Z_LVAL_P(zv)++;
|
|
}
|
|
} else {
|
|
ZVAL_LONG(&tmp, 1);
|
|
zend_hash_str_add_new(&vm_trace_ht, buf, len, &tmp);
|
|
}
|
|
}
|
|
last = op;
|
|
last_len = op_len;
|
|
}
|
|
|
|
static int zend_vm_trace_compare(const Bucket *p1, const Bucket *p2)
|
|
{
|
|
if (Z_LVAL(p1->val) < Z_LVAL(p2->val)) {
|
|
return 1;
|
|
} else if (Z_LVAL(p1->val) > Z_LVAL(p2->val)) {
|
|
return -1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static void zend_vm_trace_finish(void)
|
|
{
|
|
zend_string *key;
|
|
zval *val;
|
|
FILE *f;
|
|
|
|
f = fopen("zend_vm_trace.log", "w+");
|
|
if (f) {
|
|
zend_hash_sort(&vm_trace_ht, (compare_func_t)zend_vm_trace_compare, 0);
|
|
ZEND_HASH_FOREACH_STR_KEY_VAL(&vm_trace_ht, key, val) {
|
|
fprintf(f, "%s "ZEND_LONG_FMT"\n", ZSTR_VAL(key), Z_LVAL_P(val));
|
|
} ZEND_HASH_FOREACH_END();
|
|
fclose(f);
|
|
}
|
|
zend_hash_destroy(&vm_trace_ht);
|
|
}
|
|
|
|
static void zend_vm_trace_init(void)
|
|
{
|
|
FILE *f;
|
|
|
|
zend_hash_init(&vm_trace_ht, 0, NULL, NULL, 1);
|
|
f = fopen("zend_vm_trace.log", "r");
|
|
if (f) {
|
|
char buf[256];
|
|
size_t len;
|
|
zval tmp;
|
|
|
|
while (!feof(f)) {
|
|
if (fgets(buf, sizeof(buf)-1, f)) {
|
|
len = strlen(buf);
|
|
while (len > 0 && buf[len-1] <= ' ') {
|
|
len--;
|
|
buf[len] = 0;
|
|
}
|
|
while (len > 0 && buf[len-1] >= '0' && buf[len-1] <= '9') {
|
|
len--;
|
|
}
|
|
if (len > 1) {
|
|
buf[len-1] = 0;
|
|
ZVAL_LONG(&tmp, ZEND_STRTOL(buf + len, NULL, 10));
|
|
zend_hash_str_add(&vm_trace_ht, buf, len - 1, &tmp);
|
|
}
|
|
}
|
|
}
|
|
fclose(f);
|
|
}
|
|
}
|