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                 double      val         = (double)ir_timer_elapsed_usec(timer) / 1000.0;
  49                 const char *description = info->description;
  50                 fprintf(f, "%-45s %8.3f msec\n", description, val);
  51
  52                 ir_timer_free(timer);
  53                 xfree(info->description);
  54                 next = info->next;
  55                 xfree(info);
  56         }
  57         infos = NULL;
  58         last_info = NULL;
  59
  60         timers_inited = 0;
  61 }
  62
  63 void timer_push(ir_timer_t *timer)
  64 {
  65         if (timers_inited)
  66                 ir_timer_push(timer);
  67 }
  68
  69 void timer_pop(ir_timer_t *timer)
  70 {
  71         (void) timer;
  72         if (timers_inited)
  73                 ir_timer_pop();
  74 }
  75
  76 void timer_start(ir_timer_t *timer)
  77 {
  78         if (timers_inited)
  79                 ir_timer_start(timer);
  80 }
  81
  82 void timer_stop(ir_timer_t *timer)
  83 {
  84         if (timers_inited)
  85                 ir_timer_stop(timer);
  86 }