1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/* -*- linux-c -*-
* map functions to handle statistics
* Copyright (C) 2005 Red Hat Inc.
*
* This file is part of systemtap, and is free software. You can
* redistribute it and/or modify it under the terms of the GNU General
* Public License (GPL); either version 2, or (at your option) any
* later version.
*/
/** @file map-stat.c
* @brief Map functions to handle statistics.
*/
#include "stat-common.c"
static void _stp_map_print_histogram (MAP map, stat *sd)
{
_stp_stat_print_histogram (&map->hist, sd);
}
static MAP _stp_map_new_hstat_log (unsigned max_entries, int key_size)
{
/* add size for buckets */
int size = HIST_LOG_BUCKETS * sizeof(int64_t) + sizeof(stat);
MAP m = _stp_map_new (max_entries, STAT, key_size, size);
if (m) {
m->hist.type = HIST_LOG;
m->hist.buckets = HIST_LOG_BUCKETS;
}
return m;
}
static MAP _stp_map_new_hstat_linear (unsigned max_entries, int ksize, int start, int stop, int interval)
{
MAP m;
int size;
int buckets = _stp_stat_calc_buckets(stop, start, interval);
if (!buckets)
return NULL;
/* add size for buckets */
size = buckets * sizeof(int64_t) + sizeof(stat);
m = _stp_map_new (max_entries, STAT, ksize, size);
if (m) {
m->hist.type = HIST_LINEAR;
m->hist.start = start;
m->hist.stop = stop;
m->hist.interval = interval;
m->hist.buckets = buckets;
}
return m;
}
static PMAP _stp_pmap_new_hstat_linear (unsigned max_entries, int ksize, int start, int stop, int interval)
{
PMAP pmap;
int size;
int buckets = _stp_stat_calc_buckets(stop, start, interval);
if (!buckets)
return NULL;
/* add size for buckets */
size = buckets * sizeof(int64_t) + sizeof(stat);
pmap = _stp_pmap_new (max_entries, STAT, ksize, size);
if (pmap) {
int i;
MAP m;
stp_for_each_cpu(i) {
m = (MAP)per_cpu_ptr (pmap->map, i);
m->hist.type = HIST_LINEAR;
m->hist.start = start;
m->hist.stop = stop;
m->hist.interval = interval;
m->hist.buckets = buckets;
}
/* now set agg map params */
m = &pmap->agg;
m->hist.type = HIST_LINEAR;
m->hist.start = start;
m->hist.stop = stop;
m->hist.interval = interval;
m->hist.buckets = buckets;
}
return pmap;
}
static PMAP _stp_pmap_new_hstat_log (unsigned max_entries, int key_size)
{
/* add size for buckets */
int size = HIST_LOG_BUCKETS * sizeof(int64_t) + sizeof(stat);
PMAP pmap = _stp_pmap_new (max_entries, STAT, key_size, size);
if (pmap) {
int i;
MAP m;
stp_for_each_cpu(i) {
m = (MAP)per_cpu_ptr (pmap->map, i);
m->hist.type = HIST_LOG;
m->hist.buckets = HIST_LOG_BUCKETS;
}
/* now set agg map params */
m = &pmap->agg;
m->hist.type = HIST_LOG;
m->hist.buckets = HIST_LOG_BUCKETS;
}
return pmap;
}
|
