summary.c revision f670eea50e959eeb9da53d70cad8d43c19494ef0 
1#include "config.h"
2
3#include <stdio.h>
4#include <stdlib.h>
5#include <sys/time.h>
6
7#include "common.h"
8
9static int num_entries = 0;
10static struct entry_st {
11	char *name;
12	int count;
13	struct timeval tv;
14} *entries = NULL;
15
16static int tot_count = 0;
17static unsigned long int tot_usecs = 0;
18
19static 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
39static 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
53void 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}
87