nsz Git - cparser/blob - driver/firm_timing.c

   1 /*
   2  * This file is part of cparser.
   3  * Copyright (C) 2012 Michael Beck <mm.beck@gmx.net>
   4  */
   5
   6 /**
   7  * @file
   8  * @brief timing for the Firm compiler
   9  */
  10 #include "firm_timing.h"
  11
  12 #include <libfirm/adt/xmalloc.h>
  13
  14 static int timers_inited;
  15
  16 typedef struct timer_info_t {
  17         struct timer_info_t *next;
  18         char                *description;
  19         ir_timer_t          *timer;
  20 } timer_info_t;
  21
  22 static timer_info_t *infos;
  23 static timer_info_t *last_info;
  24
  25 void timer_register(ir_timer_t *timer, const char *description)
  26 {
  27         timer_info_t *info = XMALLOCZ(timer_info_t);
  28
  29         info->description = xstrdup(description);
  30         info->timer       = timer;
  31
  32         if (last_info != NULL) {
  33                 last_info->next = info;
  34         } else {
  35                 infos = info;
  36         }
  37         last_info = info;
  38 }
  39
  40 void timer_init(void)
  41 {
  42         timers_inited = 1;
  43 }
  44
  45 void timer_term(FILE *f)
  46 {
  47         timer_info_t *info;
  48         timer_info_t *next;
  49
  50         for (info = infos; info != NULL; info = next) {
  51                 ir_timer_t *timer = info->timer;
  52                 if (f != NULL) {
  53                         double      val         = (double)ir_timer_elapsed_usec(timer) / 1000.0;
  54                         const char *description = info->description;
  55                         fprintf(f, "%-60s %10.3f msec\n", description, val);
  56                 }
  57
  58                 ir_timer_free(timer);
  59                 xfree(info->description);
  60                 next = info->next;
  61                 xfree(info);
  62         }
  63         infos = NULL;
  64         last_info = NULL;
  65
  66         timers_inited = 0;
  67 }
  68
  69 void timer_push(ir_timer_t *timer)
  70 {
  71         if (timers_inited)
  72                 ir_timer_push(timer);
  73 }
  74
  75 void timer_pop(ir_timer_t *timer)
  76 {
  77         if (timers_inited)
  78                 ir_timer_pop(timer);
  79 }
  80
  81 void timer_start(ir_timer_t *timer)
  82 {
  83         if (timers_inited)
  84                 ir_timer_start(timer);
  85 }
  86
  87 void timer_stop(ir_timer_t *timer)
  88 {
  89         if (timers_inited)
  90                 ir_timer_stop(timer);
  91 }