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/*
+----------------------------------------------------------------------+
| Xdebug |
+----------------------------------------------------------------------+
| Copyright (c) 2002-2015 Derick Rethans |
+----------------------------------------------------------------------+
| This source file is subject to version 1.0 of the Xdebug license, |
| that is bundled with this package in the file LICENSE, and is |
| available at through the world-wide-web at |
| http://xdebug.derickrethans.nl/license.php |
| If you did not receive a copy of the Xdebug license and are unable |
| to obtain it through the world-wide-web, please send a note to |
| xdebug@derickrethans.nl so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Derick Rethans <derick@xdebug.org> |
+----------------------------------------------------------------------+
*/
#include "php.h"
#include "TSRM.h"
#include "php_globals.h"
#include "php_xdebug.h"
#include "Zend/zend_alloc.h"
#include "xdebug_mm.h"
#include "xdebug_profiler.h"
#include "xdebug_str.h"
#include "xdebug_var.h"
#include "usefulstuff.h"
#ifdef PHP_WIN32
#include <process.h>
#endif
ZEND_EXTERN_MODULE_GLOBALS(xdebug)
void xdebug_profile_aggr_call_entry_dtor(void *elem)
{
xdebug_aggregate_entry *xae = (xdebug_aggregate_entry *) elem;
if (xae->filename) {
xdfree(xae->filename);
}
if (xae->function) {
xdfree(xae->function);
}
}
void xdebug_profile_call_entry_dtor(void *dummy, void *elem)
{
xdebug_call_entry *ce = elem;
if (ce->function) {
xdfree(ce->function);
}
if (ce->filename) {
xdfree(ce->filename);
}
xdfree(ce);
}
int xdebug_profiler_init(char *script_name TSRMLS_DC)
{
char *filename = NULL, *fname = NULL;
if (!strlen(XG(profiler_output_name)) ||
xdebug_format_output_filename(&fname, XG(profiler_output_name), script_name) <= 0
) {
/* Invalid or empty xdebug.profiler_output_name */
return FAILURE;
}
if (IS_SLASH(XG(profiler_output_dir)[strlen(XG(profiler_output_dir)) - 1])) {
filename = xdebug_sprintf("%s%s", XG(profiler_output_dir), fname);
} else {
filename = xdebug_sprintf("%s%c%s", XG(profiler_output_dir), DEFAULT_SLASH, fname);
}
xdfree(fname);
if (XG(profiler_append)) {
XG(profile_file) = xdebug_fopen(filename, "a", NULL, &XG(profile_filename));
} else {
XG(profile_file) = xdebug_fopen(filename, "w", NULL, &XG(profile_filename));
}
xdfree(filename);
if (!XG(profile_file)) {
return FAILURE;
}
if (XG(profiler_append)) {
fprintf(XG(profile_file), "\n==== NEW PROFILING FILE ==============================================\n");
}
fprintf(XG(profile_file), "version: 1\ncreator: xdebug %s\n", XDEBUG_VERSION);
fprintf(XG(profile_file), "cmd: %s\npart: 1\npositions: line\n\n", script_name);
fprintf(XG(profile_file), "events: Time\n\n");
fflush(XG(profile_file));
return SUCCESS;
}
void xdebug_profiler_deinit(TSRMLS_D)
{
function_stack_entry *fse;
xdebug_llist_element *le;
for (le = XDEBUG_LLIST_TAIL(XG(stack)); le != NULL; le = XDEBUG_LLIST_PREV(le)) {
fse = XDEBUG_LLIST_VALP(le);
if (fse->user_defined == XDEBUG_INTERNAL) {
xdebug_profiler_function_internal_end(fse TSRMLS_CC);
} else {
xdebug_profiler_function_user_end(fse, fse->op_array TSRMLS_CC);
}
}
}
static inline void xdebug_profiler_function_push(function_stack_entry *fse)
{
fse->profile.time += xdebug_get_utime();
fse->profile.time -= fse->profile.mark;
fse->profile.mark = 0;
}
void xdebug_profiler_function_continue(function_stack_entry *fse)
{
fse->profile.mark = xdebug_get_utime();
}
void xdebug_profiler_function_pause(function_stack_entry *fse)
{
xdebug_profiler_function_push(fse);
}
void xdebug_profiler_function_user_begin(function_stack_entry *fse TSRMLS_DC)
{
fse->profile.time = 0;
fse->profile.mark = xdebug_get_utime();
}
static char* get_filename_ref(char *name TSRMLS_DC)
{
long nr;
if (xdebug_hash_find(XG(profile_filename_refs), name, strlen(name), (void*) &nr)) {
return xdebug_sprintf("(%d)", nr);
} else {
XG(profile_last_filename_ref)++;
xdebug_hash_add(XG(profile_filename_refs), name, strlen(name), (void*) XG(profile_last_filename_ref));
return xdebug_sprintf("(%d) %s", XG(profile_last_filename_ref), name);
}
}
static char* get_functionname_ref(char *name TSRMLS_DC)
{
long nr;
if (xdebug_hash_find(XG(profile_functionname_refs), name, strlen(name), (void*) &nr)) {
return xdebug_sprintf("(%d)", nr);
} else {
XG(profile_last_functionname_ref)++;
xdebug_hash_add(XG(profile_functionname_refs), name, strlen(name), (void*) XG(profile_last_functionname_ref));
return xdebug_sprintf("(%d) %s", XG(profile_last_functionname_ref), name);
}
}
void xdebug_profiler_function_user_end(function_stack_entry *fse, zend_op_array* op_array TSRMLS_DC)
{
xdebug_llist_element *le;
char *tmp_fname, *tmp_name;
int default_lineno = 0;
if (fse->prev && !fse->prev->profile.call_list) {
fse->prev->profile.call_list = xdebug_llist_alloc(xdebug_profile_call_entry_dtor);
}
if (!fse->profile.call_list) {
fse->profile.call_list = xdebug_llist_alloc(xdebug_profile_call_entry_dtor);
}
xdebug_profiler_function_push(fse);
tmp_name = xdebug_show_fname(fse->function, 0, 0 TSRMLS_CC);
switch (fse->function.type) {
case XFUNC_INCLUDE:
case XFUNC_INCLUDE_ONCE:
case XFUNC_REQUIRE:
case XFUNC_REQUIRE_ONCE:
tmp_fname = xdebug_sprintf("%s::%s", tmp_name, fse->include_filename);
xdfree(tmp_name);
tmp_name = tmp_fname;
default_lineno = 1;
break;
default:
if (op_array && op_array->function_name) {
default_lineno = op_array->line_start;
} else {
default_lineno = fse->lineno;
}
break;
}
if (default_lineno == 0) {
default_lineno = 1;
}
if (fse->prev) {
xdebug_call_entry *ce = xdmalloc(sizeof(xdebug_call_entry));
ce->filename = op_array ? xdstrdup(op_array->filename) : xdstrdup(fse->filename);
ce->function = xdstrdup(tmp_name);
ce->time_taken = fse->profile.time;
ce->lineno = fse->lineno;
ce->user_defined = fse->user_defined;
xdebug_llist_insert_next(fse->prev->profile.call_list, NULL, ce);
}
if (fse->user_defined == XDEBUG_EXTERNAL) {
char *tmp_fl = NULL, *tmp_fn = NULL;
if (op_array) {
tmp_fl = get_filename_ref((char*) op_array->filename TSRMLS_CC);
fprintf(XG(profile_file), "fl=%s\n", tmp_fl);
} else {
tmp_fl = get_filename_ref(fse->filename TSRMLS_CC);
fprintf(XG(profile_file), "fl=%s\n", tmp_fl);
}
tmp_fn = get_functionname_ref(tmp_name TSRMLS_CC);
fprintf(XG(profile_file), "fn=%s\n", tmp_fn);
xdfree(tmp_fl);
xdfree(tmp_fn);
} else {
char *tmp_key = xdebug_sprintf("php::%s", tmp_name);
char *tmp_fl = get_filename_ref("php:internal" TSRMLS_CC);
char *tmp_fn = get_functionname_ref(tmp_key TSRMLS_CC);
fprintf(XG(profile_file), "fl=%s\n", tmp_fl);
fprintf(XG(profile_file), "fn=%s\n", tmp_fn);
xdfree(tmp_fl);
xdfree(tmp_fn);
xdfree(tmp_key);
}
xdfree(tmp_name);
if (fse->function.function && strcmp(fse->function.function, "{main}") == 0) {
fprintf(XG(profile_file), "\nsummary: %lu\n\n", (unsigned long) (fse->profile.time * 1000000));
}
fflush(XG(profile_file));
/* update aggregate data */
if (XG(profiler_aggregate)) {
fse->aggr_entry->time_inclusive += fse->profile.time;
fse->aggr_entry->call_count++;
}
/* Subtract time in calledfunction from time here */
for (le = XDEBUG_LLIST_HEAD(fse->profile.call_list); le != NULL; le = XDEBUG_LLIST_NEXT(le))
{
xdebug_call_entry *call_entry = XDEBUG_LLIST_VALP(le);
fse->profile.time -= call_entry->time_taken;
}
fprintf(XG(profile_file), "%d %lu\n", default_lineno, (unsigned long) (fse->profile.time * 1000000));
/* update aggregate data */
if (XG(profiler_aggregate)) {
fse->aggr_entry->time_own += fse->profile.time;
}
/* dump call list */
for (le = XDEBUG_LLIST_HEAD(fse->profile.call_list); le != NULL; le = XDEBUG_LLIST_NEXT(le))
{
xdebug_call_entry *call_entry = XDEBUG_LLIST_VALP(le);
if (call_entry->user_defined == XDEBUG_EXTERNAL) {
char *tmp_fl = NULL, *tmp_fn = NULL;
tmp_fl = get_filename_ref(call_entry->filename TSRMLS_CC);
tmp_fn = get_functionname_ref(call_entry->function TSRMLS_CC);
fprintf(XG(profile_file), "cfl=%s\n", tmp_fl);
fprintf(XG(profile_file), "cfn=%s\n", tmp_fn);
xdfree(tmp_fl);
xdfree(tmp_fn);
} else {
char *tmp_key = xdebug_sprintf("php::%s", call_entry->function);
char *tmp_fl = get_filename_ref("php:internal" TSRMLS_CC);
char *tmp_fn = get_functionname_ref(tmp_key TSRMLS_CC);
fprintf(XG(profile_file), "cfl=%s\n", tmp_fl);
fprintf(XG(profile_file), "cfn=%s\n", tmp_fn);
xdfree(tmp_fl);
xdfree(tmp_fn);
xdfree(tmp_key);
}
fprintf(XG(profile_file), "calls=1 0 0\n");
fprintf(XG(profile_file), "%d %lu\n", call_entry->lineno, (unsigned long) (call_entry->time_taken * 1000000));
}
fprintf(XG(profile_file), "\n");
fflush(XG(profile_file));
}
void xdebug_profiler_function_internal_begin(function_stack_entry *fse TSRMLS_DC)
{
xdebug_profiler_function_user_begin(fse TSRMLS_CC);
}
void xdebug_profiler_function_internal_end(function_stack_entry *fse TSRMLS_DC)
{
xdebug_profiler_function_user_end(fse, NULL TSRMLS_CC);
}
static int xdebug_print_aggr_entry(void *pDest, void *argument TSRMLS_DC)
{
FILE *fp = (FILE *) argument;
xdebug_aggregate_entry *xae = (xdebug_aggregate_entry *) pDest;
fprintf(fp, "fl=%s\n", xae->filename);
fprintf(fp, "fn=%s\n", xae->function);
fprintf(fp, "%d %lu\n", 0, (unsigned long) (xae->time_own * 1000000));
if (strcmp(xae->function, "{main}") == 0) {
fprintf(fp, "\nsummary: %lu\n\n", (unsigned long) (xae->time_inclusive * 1000000));
}
if (xae->call_list) {
xdebug_aggregate_entry **xae_call;
zend_hash_internal_pointer_reset(xae->call_list);
while (zend_hash_get_current_data(xae->call_list, (void**)&xae_call) == SUCCESS) {
fprintf(fp, "cfn=%s\n", (*xae_call)->function);
fprintf(fp, "calls=%d 0 0\n", (*xae_call)->call_count);
fprintf(fp, "%d %lu\n", (*xae_call)->lineno, (unsigned long) ((*xae_call)->time_inclusive * 1000000));
zend_hash_move_forward(xae->call_list);
}
}
fprintf(fp, "\n");
fflush(fp);
return ZEND_HASH_APPLY_KEEP;
}
int xdebug_profiler_output_aggr_data(const char *prefix TSRMLS_DC)
{
char *filename;
FILE *aggr_file;
fprintf(stderr, "in xdebug_profiler_output_aggr_data() with %d entries\n", zend_hash_num_elements(&XG(aggr_calls)));
if (zend_hash_num_elements(&XG(aggr_calls)) == 0) return SUCCESS;
if (prefix) {
filename = xdebug_sprintf("%s/cachegrind.out.aggregate.%s.%ld", XG(profiler_output_dir), prefix, getpid());
} else {
filename = xdebug_sprintf("%s/cachegrind.out.aggregate.%ld", XG(profiler_output_dir), getpid());
}
fprintf(stderr, "opening %s\n", filename);
aggr_file = xdebug_fopen(filename, "w", NULL, NULL);
if (!aggr_file) {
return FAILURE;
}
fprintf(aggr_file, "version: 0.9.6\ncmd: Aggregate\npart: 1\n\nevents: Time\n\n");
fflush(aggr_file);
zend_hash_apply_with_argument(&XG(aggr_calls), xdebug_print_aggr_entry, aggr_file TSRMLS_CC);
fclose(aggr_file);
fprintf(stderr, "wrote info for %d entries to %s\n", zend_hash_num_elements(&XG(aggr_calls)), filename);
return SUCCESS;
}
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