summary.c

   1 #include "config.h"
   2
   3 #include <stdio.h>
   4 #include <stdlib.h>
   5 #include <sys/time.h>
   6
   7 #include "common.h"
   8
   9 static int num_entries = 0;
  10 static struct entry_st {
  11         char *name;
  12         int count;
  13         struct timeval tv;
  14 } *entries = NULL;
  15
  16 static int tot_count = 0;
  17 static unsigned long int tot_usecs = 0;
  18
  19 static void fill_struct(void *key, void *value, void *data)
  20 {
  21         struct opt_c_struct *st = (struct opt_c_struct *)value;
  22
  23         entries = realloc(entries, (num_entries + 1) * sizeof(struct entry_st));
  24         if (!entries) {
  25                 perror("realloc()");
  26                 exit(1);
  27         }
  28         entries[num_entries].name = (char *)key;
  29         entries[num_entries].count = st->count;
  30         entries[num_entries].tv = st->tv;
  31
  32         tot_count += st->count;
  33         tot_usecs += 1000000 * st->tv.tv_sec;
  34         tot_usecs += st->tv.tv_usec;
  35
  36         num_entries++;
  37 }
  38
  39 static int compar(const void *a, const void *b)
  40 {
  41         struct entry_st *en1, *en2;
  42
  43         en1 = (struct entry_st *)a;
  44         en2 = (struct entry_st *)b;
  45
  46         if (en2->tv.tv_sec - en1->tv.tv_sec) {
  47                 return (en2->tv.tv_sec - en1->tv.tv_sec);
  48         } else {
  49                 return (en2->tv.tv_usec - en1->tv.tv_usec);
  50         }
  51 }
  52
  53 void show_summary(void)
  54 {
  55         int i;
  56
  57         num_entries = 0;
  58         entries = NULL;
  59
  60         dict_apply_to_all(dict_opt_c, fill_struct, NULL);
  61
  62         qsort(entries, num_entries, sizeof(*entries), compar);
  63
  64         fprintf(options.output, "%% time     seconds  usecs/call     calls      function\n");
  65         fprintf(options.output, "------ ----------- ----------- --------- --------------------\n");
  66         for (i = 0; i < num_entries; i++) {
  67                 unsigned long long int c;
  68                 unsigned long long int p;
  69                 c = 1000000 * (int)entries[i].tv.tv_sec +
  70                     (int)entries[i].tv.tv_usec;
  71                 p = 100000 * c / tot_usecs + 5;
  72                 fprintf(options.output, "%3lu.%02lu %4d.%06d %11lu %9d %s\n",
  73                        (unsigned long int)(p / 1000),
  74                        (unsigned long int)((p / 10) % 100),
  75                        (int)entries[i].tv.tv_sec, (int)entries[i].tv.tv_usec,
  76                        (unsigned long int)(c / entries[i].count),
  77                        entries[i].count,
  78 #ifdef USE_DEMANGLE
  79                        options.demangle ? my_demangle(entries[i].name) :
  80 #endif
  81                        entries[i].name);
  82         }
  83         fprintf(options.output, "------ ----------- ----------- --------- --------------------\n");
  84         fprintf(options.output, "100.00 %4lu.%06lu             %9d total\n", tot_usecs / 1000000,
  85                tot_usecs % 1000000, tot_count);
  86 }