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 #include "firm_timing.h"
   7
   8 #include <libfirm/adt/xmalloc.h>
   9
  10 static int timers_inited;
  11
  12 typedef struct timer_info_t {
  13         struct timer_info_t *next;
  14         char                *description;
  15         ir_timer_t          *timer;
  16 } timer_info_t;
  17
  18 static timer_info_t *infos;
  19 static timer_info_t *last_info;
  20
  21 void timer_register(ir_timer_t *timer, const char *description)
  22 {
  23         timer_info_t *info = XMALLOCZ(timer_info_t);
  24
  25         info->description = xstrdup(description);
  26         info->timer       = timer;
  27
  28         if (last_info != NULL) {
  29                 last_info->next = info;
  30         } else {
  31                 infos = info;
  32         }
  33         last_info = info;
  34 }
  35
  36 void timer_init(void)
  37 {
  38         timers_inited = 1;
  39 }
  40
  41 void timer_term(FILE *f)
  42 {
  43         timer_info_t *info;
  44         timer_info_t *next;
  45
  46         for (info = infos; info != NULL; info = next) {
  47                 ir_timer_t *timer = info->timer;
  48                 if (f != NULL) {
  49                         double      val         = (double)ir_timer_elapsed_usec(timer) / 1000.0;
  50                         const char *description = info->description;
  51                         fprintf(f, "%-60s %10.3f msec\n", description, val);
  52                 }
  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         if (timers_inited)
  74                 ir_timer_pop(timer);
  75 }
  76
  77 void timer_start(ir_timer_t *timer)
  78 {
  79         if (timers_inited)
  80                 ir_timer_start(timer);
  81 }
  82
  83 void timer_stop(ir_timer_t *timer)
  84 {
  85         if (timers_inited)
  86                 ir_timer_stop(timer);
  87 }