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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| #ifndef XHPROF_TRACE_H | ||
| #define XHPROF_TRACE_H | ||
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| static zend_always_inline void hp_mode_common_beginfn(hp_entry_t **entries, hp_entry_t *current) | ||
| { | ||
| hp_entry_t *p; | ||
|
|
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| /* This symbol's recursive level */ | ||
| int recurse_level = 0; | ||
|
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| if (XHPROF_G(func_hash_counters[current->hash_code]) > 0) { | ||
| /* Find this symbols recurse level */ | ||
| for (p = (*entries); p; p = p->prev_hprof) { | ||
| if (zend_string_equals(current->name_hprof, p->name_hprof)) { | ||
| recurse_level = (p->rlvl_hprof) + 1; | ||
| break; | ||
| } | ||
| } | ||
| } | ||
|
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| XHPROF_G(func_hash_counters[current->hash_code])++; | ||
|
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| /* Init current function's recurse level */ | ||
| current->rlvl_hprof = recurse_level; | ||
| } | ||
|
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| static zend_always_inline int hp_ignored_functions_filter_collision(hp_ignored_functions *functions, zend_ulong hash) | ||
| { | ||
| zend_ulong idx = hash % XHPROF_MAX_IGNORED_FUNCTIONS; | ||
| return functions->filter[idx]; | ||
| } | ||
|
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| static zend_always_inline int hp_ignore_entry_work(zend_ulong hash_code, zend_string *curr_func) | ||
| { | ||
| if (XHPROF_G(ignored_functions) == NULL) { | ||
| return 0; | ||
| } | ||
|
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| hp_ignored_functions *functions = XHPROF_G(ignored_functions); | ||
|
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| if (hp_ignored_functions_filter_collision(functions, hash_code)) { | ||
| int i = 0; | ||
| for (; functions->names[i] != NULL; i++) { | ||
| zend_string *name = functions->names[i]; | ||
| if (zend_string_equals(curr_func, name)) { | ||
| return 1; | ||
| } | ||
| } | ||
| } | ||
|
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| return 0; | ||
| } | ||
|
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| static zend_always_inline zend_string *hp_get_function_name(zend_execute_data *execute_data) | ||
| { | ||
| zend_function *curr_func; | ||
| zend_string *real_function_name; | ||
|
|
||
| if (!execute_data) { | ||
| return NULL; | ||
| } | ||
|
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| curr_func = execute_data->func; | ||
|
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| if (!curr_func->common.function_name) { | ||
| return NULL; | ||
| } | ||
|
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| if (curr_func->common.scope != NULL) { | ||
| real_function_name = strpprintf(0, "%s::%s", curr_func->common.scope->name->val, ZSTR_VAL(curr_func->common.function_name)); | ||
| } else { | ||
| real_function_name = zend_string_copy(curr_func->common.function_name); | ||
| } | ||
|
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| return real_function_name; | ||
| } | ||
|
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| static zend_always_inline zend_string *hp_get_trace_callback(zend_string *function_name, zend_execute_data *data) | ||
| { | ||
| zend_string *trace_name; | ||
| hp_trace_callback *callback; | ||
|
|
||
| if (XHPROF_G(trace_callbacks)) { | ||
| callback = (hp_trace_callback*)zend_hash_find_ptr(XHPROF_G(trace_callbacks), function_name); | ||
| if (callback) { | ||
| trace_name = (*callback)(function_name, data); | ||
| } else { | ||
| return function_name; | ||
| } | ||
| } else { | ||
| return function_name; | ||
| } | ||
|
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| zend_string_release(function_name); | ||
|
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| return trace_name; | ||
| } | ||
|
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| static zend_always_inline hp_entry_t *hp_fast_alloc_hprof_entry() | ||
| { | ||
| hp_entry_t *p; | ||
|
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| p = XHPROF_G(entry_free_list); | ||
|
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| if (p) { | ||
| XHPROF_G(entry_free_list) = p->prev_hprof; | ||
| return p; | ||
| } else { | ||
| return (hp_entry_t *)malloc(sizeof(hp_entry_t)); | ||
| } | ||
| } | ||
|
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||
| static zend_always_inline void hp_fast_free_hprof_entry(hp_entry_t *p) | ||
| { | ||
| if (p->name_hprof != NULL) { | ||
| zend_string_release(p->name_hprof); | ||
| } | ||
|
|
||
| /* we use/overload the prev_hprof field in the structure to link entries in | ||
| * the free list. | ||
| * */ | ||
| p->prev_hprof = XHPROF_G(entry_free_list); | ||
| XHPROF_G(entry_free_list) = p; | ||
| } | ||
|
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||
| static zend_always_inline int begin_profiling(zend_string *root_symbol, zend_execute_data *execute_data) | ||
| { | ||
| zend_string *function_name; | ||
| hp_entry_t **entries = &XHPROF_G(entries); | ||
|
|
||
| if (root_symbol == NULL) { | ||
| function_name = hp_get_function_name(execute_data); | ||
| } else { | ||
| function_name = zend_string_copy(root_symbol); | ||
| } | ||
|
|
||
| if (function_name == NULL) { | ||
| return 0; | ||
| } | ||
|
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| zend_ulong hash_code = ZSTR_HASH(function_name); | ||
| int profile_curr = !hp_ignore_entry_work(hash_code, function_name); | ||
| if (profile_curr) { | ||
| if (execute_data != NULL) { | ||
| function_name = hp_get_trace_callback(function_name, execute_data); | ||
| } | ||
|
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||
| hp_entry_t *cur_entry = hp_fast_alloc_hprof_entry(); | ||
| (cur_entry)->hash_code = hash_code % XHPROF_FUNC_HASH_COUNTERS_SIZE; | ||
| (cur_entry)->name_hprof = function_name; | ||
| (cur_entry)->prev_hprof = (*(entries)); | ||
| #if PHP_VERSION_ID >= 80000 | ||
| (cur_entry)->is_trace = 1; | ||
| #endif | ||
| /* Call the universal callback */ | ||
| hp_mode_common_beginfn((entries), (cur_entry)); | ||
| /* Call the mode's beginfn callback */ | ||
| XHPROF_G(mode_cb).begin_fn_cb((entries), (cur_entry)); | ||
| /* Update entries linked list */ | ||
| (*(entries)) = (cur_entry); | ||
| } else { | ||
| #if PHP_VERSION_ID >= 80000 | ||
| hp_entry_t *cur_entry = hp_fast_alloc_hprof_entry(); | ||
| (cur_entry)->name_hprof = (*(entries))->name_hprof; | ||
| (cur_entry)->prev_hprof = (*(entries)); | ||
| (cur_entry)->is_trace = 0; | ||
| (*(entries)) = (cur_entry); | ||
| #endif | ||
| zend_string_release(function_name); | ||
| } | ||
|
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| return profile_curr; | ||
| } | ||
|
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| static zend_always_inline void end_profiling() | ||
| { | ||
| hp_entry_t *cur_entry; | ||
| hp_entry_t **entries = &XHPROF_G(entries); | ||
|
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||
| /* Call the mode's endfn callback. */ | ||
| /* NOTE(cjiang): we want to call this 'end_fn_cb' before */ | ||
| /* 'hp_mode_common_endfn' to avoid including the time in */ | ||
| /* 'hp_mode_common_endfn' in the profiling results. */ | ||
| XHPROF_G(mode_cb).end_fn_cb(entries); | ||
| cur_entry = (*(entries)); | ||
| /* Free top entry and update entries linked list */ | ||
| (*(entries)) = (*(entries))->prev_hprof; | ||
| hp_fast_free_hprof_entry(cur_entry); | ||
| } | ||
| #endif |
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