summary.c revision 8d1b92ba755f6d6229f5e230fc43d958b13836f8 
1#if HAVE_CONFIG_H
2#include "config.h"
3#endif
4
5#include <stdio.h>
6#include <stdlib.h>
7#include <sys/time.h>
8
9#include "common.h"
10
11static int num_entries = 0;
12static struct entry_st {
13	char *name;
14	int count;
15	struct timeval tv;
16} *entries = NULL;
17
18static int tot_count = 0;
19static unsigned long int tot_usecs = 0;
20
21static void fill_struct(void *key, void *value, void *data)
22{
23	struct opt_c_struct *st = (struct opt_c_struct *)value;
24
25	entries = realloc(entries, (num_entries + 1) * sizeof(struct entry_st));
26	if (!entries) {
27		perror("realloc()");
28		exit(1);
29	}
30	entries[num_entries].name = (char *)key;
31	entries[num_entries].count = st->count;
32	entries[num_entries].tv = st->tv;
33
34	tot_count += st->count;
35	tot_usecs += 1000000 * st->tv.tv_sec;
36	tot_usecs += st->tv.tv_usec;
37
38	num_entries++;
39}
40
41static int compar(const void *a, const void *b)
42{
43	struct entry_st *en1, *en2;
44
45	en1 = (struct entry_st *)a;
46	en2 = (struct entry_st *)b;
47
48	if (en2->tv.tv_sec - en1->tv.tv_sec) {
49		return (en2->tv.tv_sec - en1->tv.tv_sec);
50	} else {
51		return (en2->tv.tv_usec - en1->tv.tv_usec);
52	}
53}
54
55void show_summary(void)
56{
57	int i;
58
59	num_entries = 0;
60	entries = NULL;
61
62	dict_apply_to_all(dict_opt_c, fill_struct, NULL);
63
64	qsort(entries, num_entries, sizeof(*entries), compar);
65
66	fprintf(options.output, "%% time     seconds  usecs/call     calls      function\n");
67	fprintf(options.output, "------ ----------- ----------- --------- --------------------\n");
68	for (i = 0; i < num_entries; i++) {
69		unsigned long long int c;
70		unsigned long long int p;
71		c = 1000000 * (int)entries[i].tv.tv_sec +
72		    (int)entries[i].tv.tv_usec;
73		p = 100000 * c / tot_usecs + 5;
74		fprintf(options.output, "%3lu.%02lu %4d.%06d %11lu %9d %s\n",
75		       (unsigned long int)(p / 1000),
76		       (unsigned long int)((p / 10) % 100),
77		       (int)entries[i].tv.tv_sec, (int)entries[i].tv.tv_usec,
78		       (unsigned long int)(c / entries[i].count),
79		       entries[i].count,
80#ifdef USE_DEMANGLE
81		       options.demangle ? my_demangle(entries[i].name) :
82#endif
83		       entries[i].name);
84	}
85	fprintf(options.output, "------ ----------- ----------- --------- --------------------\n");
86	fprintf(options.output, "100.00 %4lu.%06lu             %9d total\n", tot_usecs / 1000000,
87	       tot_usecs % 1000000, tot_count);
88}
89