110 lines
2.6 KiB
C
110 lines
2.6 KiB
C
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/***************************************************************************
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profile.c
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(c) 2000-2012 Benoît Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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#define __PROFILE_C
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#include <sys/time.h>
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#include <stdio.h>
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#include "gambas.h"
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#include "debug.h"
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#include "main.h"
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static bool _init = FALSE;
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static FILE *_file;
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static uint64_t _start;
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static uint64_t get_time(void)
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{
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struct timeval time;
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gettimeofday(&time, NULL);
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return (uint64_t)time.tv_sec * 1000000 + (uint64_t)time.tv_usec;
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}
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void PROFILE_init(void)
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{
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char path[PATH_MAX + 1];
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if (_init)
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return;
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sprintf(path, ".prof.%d", getpid());
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//fprintf(stderr, "gb.profile: start profiling: %s\n", path);
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_file = fopen(path, "w");
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if (!_file)
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{
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fprintf(stderr, "gb.profile: cannot create profile file '%s': %s\n", path, strerror(errno));
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abort();
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}
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_init = TRUE;
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_start = get_time();
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}
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void PROFILE_exit(void)
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{
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if (!_init)
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return;
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//fprintf(stderr, "gb.profile: stop profiling\n");
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fclose(_file);
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}
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void PROFILE_add(void *cp, void *fp, void *pc)
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{
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static void *_last_fp = NULL;
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static struct timeval _last_time;
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struct timeval time;
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ushort line;
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gettimeofday(&time, NULL);
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if (fp == _last_fp)
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{
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line = 0;
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DEBUG_calc_line_from_position(cp, fp, pc, &line);
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//fprintf(_file, "%d %d %s\n", line, (int)((time.tv_sec - _last_time.tv_sec) * 1000000 + time.tv_usec - _last_time.tv_usec), DEBUG_get_position(cp, fp, pc));
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fprintf(_file, "%d %d\n", line, (int)((time.tv_sec - _last_time.tv_sec) * 1000000 + time.tv_usec - _last_time.tv_usec));
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}
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_last_fp = fp;
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_last_time = time;
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}
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void PROFILE_begin(void *cp, void *fp)
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{
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fprintf(_file, "+%s %" PRId64 "\n", DEBUG_get_position(cp, fp, NULL), get_time() - _start);
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}
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void PROFILE_end(void *cp, void *fp)
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{
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struct timeval time;
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gettimeofday(&time, NULL);
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fprintf(_file, "-%s %" PRId64 "\n", DEBUG_get_position(cp, fp, NULL), get_time() - _start);
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}
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