-
Notifications
You must be signed in to change notification settings - Fork 49
/
opd_extended.c
195 lines (150 loc) · 4.4 KB
/
opd_extended.c
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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
/**
* @file opd_extended.c
* OProfile Extended Feature
*
* @remark Copyright 2007-2009 OProfile authors
* @remark Read the file COPYING
*
* @author Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
* Copyright (c) 2009 Advanced Micro Devices, Inc.
*/
#include "opd_extended.h"
#include "op_string.h"
#include <string.h>
#include <stdio.h>
/* This global variable is >= 0
* if extended feature is enabled */
static int opd_ext_feat_index;
extern struct opd_ext_handlers ibs_handlers;
/**
* OProfile Extended Feature Table
*
* This table contains a list of extended features.
*/
static struct opd_ext_feature ext_feature_table[] = {
{"ibs", &ibs_handlers },
{ NULL, NULL }
};
static int get_index_for_feature(char const * name)
{
int ret = -1;
unsigned int i;
if(!name)
return ret;
for (i = 0 ; ext_feature_table[i].feature != NULL ; i++ ) {
if(!strncmp(name, ext_feature_table[i].feature,
strlen(ext_feature_table[i].feature))) {
ret = i;
break;
}
}
return ret;
}
static inline int is_ext_enabled()
{
if (opd_ext_feat_index >= 0
&& ext_feature_table[opd_ext_feat_index].handlers != NULL)
return 1;
else
return 0;
}
static inline int is_ext_sfile_enabled()
{
if (opd_ext_feat_index >= 0
&& ext_feature_table[opd_ext_feat_index].handlers != NULL
&& ext_feature_table[opd_ext_feat_index].handlers->ext_sfile != NULL)
return 1;
else
return 0;
}
/**
* Param "value" is the input from CML option with the format:
*
* <feature name>:<param1>:<param2>:<param3>:.....
*
* where param1,2.3,..n are optional.
*/
int opd_ext_initialize(char const * value)
{
int ret = EXIT_FAILURE;
char * tmp = NULL, * name = NULL, * args = NULL;
if(!value) {
opd_ext_feat_index = -1;
return 0;
}
tmp = op_xstrndup(value, strlen(value));
/* Parse feature name*/
if((name = strtok_r(tmp, ":", &args)) == NULL)
goto err_out;
if((opd_ext_feat_index = get_index_for_feature(name)) < 0)
goto err_out;
ret = ext_feature_table[opd_ext_feat_index].handlers->ext_init(args);
return ret;
err_out:
fprintf(stderr,"opd_ext_initialize: Invalid extended feature option: %s\n", value);
return ret;
}
int opd_ext_deinitialize()
{
int ret = EXIT_FAILURE;
if(opd_ext_feat_index == -1) {
return 0;
}
ret = ext_feature_table[opd_ext_feat_index].handlers->ext_deinit();
return ret;
}
void opd_ext_print_stats()
{
if (is_ext_enabled()
&& ext_feature_table[opd_ext_feat_index].handlers->ext_print_stats != NULL) {
printf("\n-- OProfile Extended-Feature Statistics --\n");
ext_feature_table[opd_ext_feat_index].handlers->ext_print_stats();
}
}
/**
* opd_sfile extended APIs
*/
void opd_ext_sfile_create(struct sfile * sf)
{
/* Creating ext sfile only if extended feature is enable*/
if (is_ext_sfile_enabled()
&& ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->create != NULL)
ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->create(sf);
}
void opd_ext_sfile_dup (struct sfile * to, struct sfile * from)
{
/* Duplicate ext sfile only if extended feature is enable*/
if (is_ext_sfile_enabled()
&& ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->dup != NULL)
ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->dup(to, from);
}
void opd_ext_sfile_close (struct sfile * sf)
{
/* Close ext sfile only if extended feature is enable*/
if (is_ext_sfile_enabled()
&& ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->close != NULL)
ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->close(sf);
}
void opd_ext_sfile_sync(struct sfile * sf)
{
/* Sync ext sfile only if extended feature is enable*/
if (is_ext_sfile_enabled()
&& ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->sync != NULL)
ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->sync(sf);
}
odb_t * opd_ext_sfile_get(struct transient const * trans, int is_cg)
{
/* Get ext sfile only if extended feature is enable*/
if (is_ext_sfile_enabled()
&& ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->get != NULL)
return ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->get(trans, is_cg);
return NULL;
}
struct opd_event * opd_ext_find_counter_event(unsigned long counter)
{
/* Only if extended feature is enable*/
if (is_ext_sfile_enabled()
&& ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->find_counter_event != NULL)
return ext_feature_table[opd_ext_feat_index].handlers->ext_sfile->find_counter_event(counter);
return NULL;
}