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

   1 /**
   2  * @file firm_timing.c -- timing for the Firm compiler
   3  *
   4  * (C) 2006-2009  Michael Beck   beck@ipd.info.uni-karlsruhe.de
   5  *
   6  * $Id$
   7  */
   8 #include "firm_timing.h"
   9
  10 #include <libfirm/adt/xmalloc.h>
  11
  12 static int timers_inited;
  13
  14 typedef struct timer_info_t {
  15         struct timer_info_t *next;
  16         char                *description;
  17         ir_timer_t          *timer;
  18 } timer_info_t;
  19
  20 static timer_info_t *infos;
  21 static timer_info_t *last_info;
  22
  23 void timer_register(ir_timer_t *timer, const char *description)
  24 {
  25         timer_info_t *info = XMALLOCZ(timer_info_t);
  26
  27         info->description = xstrdup(description);
  28         info->timer       = timer;
  29
  30         if (last_info != NULL) {
  31                 last_info->next = info;
  32         } else {
  33                 infos = info;
  34         }
  35         last_info = info;
  36 }
  37
  38 void timer_init(void)
  39 {
  40         timers_inited = 1;
  41 }
  42
  43 void timer_term(FILE *f)
  44 {
  45         timer_info_t *info;
  46         timer_info_t *next;
  47
  48         for (info = infos; info != NULL; info = next) {
  49                 ir_timer_t *timer = info->timer;
  50                 double      val         = (double)ir_timer_elapsed_usec(timer) / 1000.0;
  51                 const char *description = info->description;
  52                 fprintf(f, "%-45s %8.3f msec\n", description, val);
  53
  54                 ir_timer_free(timer);
  55                 xfree(info->description);
  56                 next = info->next;
  57                 xfree(info);
  58         }
  59         infos = NULL;
  60         last_info = NULL;
  61
  62         timers_inited = 0;
  63 }
  64
  65 void timer_push(ir_timer_t *timer)
  66 {
  67         if (timers_inited)
  68                 ir_timer_push(timer);
  69 }
  70
  71 void timer_pop(ir_timer_t *timer)
  72 {
  73         (void) timer;
  74         if (timers_inited)
  75                 ir_timer_pop();
  76 }
  77
  78 void timer_start(ir_timer_t *timer)
  79 {
  80         if (timers_inited)
  81                 ir_timer_start(timer);
  82 }
  83
  84 void timer_stop(ir_timer_t *timer)
  85 {
  86         if (timers_inited)
  87                 ir_timer_stop(timer);
  88 }