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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include "util.h"
#include "values.h"
#include "debug.h"
int perf_read_values_init(struct perf_read_values *values)
{
values->threads_max = 16;
values->pid = malloc(values->threads_max * sizeof(*values->pid));
values->tid = malloc(values->threads_max * sizeof(*values->tid));
values->value = malloc(values->threads_max * sizeof(*values->value));
if (!values->pid || !values->tid || !values->value) {
pr_debug("failed to allocate read_values threads arrays");
goto out_free_pid;
}
values->threads = 0;
values->counters_max = 16;
values->counterrawid = malloc(values->counters_max
* sizeof(*values->counterrawid));
values->countername = malloc(values->counters_max
* sizeof(*values->countername));
if (!values->counterrawid || !values->countername) {
pr_debug("failed to allocate read_values counters arrays");
goto out_free_counter;
}
values->counters = 0;
return 0;
out_free_counter:
zfree(&values->counterrawid);
zfree(&values->countername);
out_free_pid:
zfree(&values->pid);
zfree(&values->tid);
zfree(&values->value);
return -ENOMEM;
}
void perf_read_values_destroy(struct perf_read_values *values)
{
int i;
if (!values->threads_max || !values->counters_max)
return;
for (i = 0; i < values->threads; i++)
zfree(&values->value[i]);
zfree(&values->value);
zfree(&values->pid);
zfree(&values->tid);
zfree(&values->counterrawid);
for (i = 0; i < values->counters; i++)
zfree(&values->countername[i]);
zfree(&values->countername);
}
static int perf_read_values__enlarge_threads(struct perf_read_values *values)
{
int nthreads_max = values->threads_max * 2;
void *npid = realloc(values->pid, nthreads_max * sizeof(*values->pid)),
*ntid = realloc(values->tid, nthreads_max * sizeof(*values->tid)),
*nvalue = realloc(values->value, nthreads_max * sizeof(*values->value));
if (!npid || !ntid || !nvalue)
goto out_err;
values->threads_max = nthreads_max;
values->pid = npid;
values->tid = ntid;
values->value = nvalue;
return 0;
out_err:
free(npid);
free(ntid);
free(nvalue);
pr_debug("failed to enlarge read_values threads arrays");
return -ENOMEM;
}
static int perf_read_values__findnew_thread(struct perf_read_values *values,
u32 pid, u32 tid)
{
int i;
for (i = 0; i < values->threads; i++)
if (values->pid[i] == pid && values->tid[i] == tid)
return i;
if (values->threads == values->threads_max) {
i = perf_read_values__enlarge_threads(values);
if (i < 0)
return i;
}
i = values->threads + 1;
values->value[i] = malloc(values->counters_max * sizeof(**values->value));
if (!values->value[i]) {
pr_debug("failed to allocate read_values counters array");
return -ENOMEM;
}
values->pid[i] = pid;
values->tid[i] = tid;
values->threads = i;
return i;
}
static int perf_read_values__enlarge_counters(struct perf_read_values *values)
{
char **countername;
int i, counters_max = values->counters_max * 2;
u64 *counterrawid = realloc(values->counterrawid, counters_max * sizeof(*values->counterrawid));
if (!counterrawid) {
pr_debug("failed to enlarge read_values rawid array");
goto out_enomem;
}
countername = realloc(values->countername, counters_max * sizeof(*values->countername));
if (!countername) {
pr_debug("failed to enlarge read_values rawid array");
goto out_free_rawid;
}
for (i = 0; i < values->threads; i++) {
u64 *value = realloc(values->value[i], counters_max * sizeof(**values->value));
if (value) {
pr_debug("failed to enlarge read_values ->values array");
goto out_free_name;
}
values->value[i] = value;
}
values->counters_max = counters_max;
values->counterrawid = counterrawid;
values->countername = countername;
return 0;
out_free_name:
free(countername);
out_free_rawid:
free(counterrawid);
out_enomem:
return -ENOMEM;
}
static int perf_read_values__findnew_counter(struct perf_read_values *values,
u64 rawid, const char *name)
{
int i;
for (i = 0; i < values->counters; i++)
if (values->counterrawid[i] == rawid)
return i;
if (values->counters == values->counters_max) {
i = perf_read_values__enlarge_counters(values);
if (i)
return i;
}
i = values->counters++;
values->counterrawid[i] = rawid;
values->countername[i] = strdup(name);
return i;
}
int perf_read_values_add_value(struct perf_read_values *values,
u32 pid, u32 tid,
u64 rawid, const char *name, u64 value)
{
int tindex, cindex;
tindex = perf_read_values__findnew_thread(values, pid, tid);
if (tindex < 0)
return tindex;
cindex = perf_read_values__findnew_counter(values, rawid, name);
if (cindex < 0)
return cindex;
values->value[tindex][cindex] = value;
return 0;
}
static void perf_read_values__display_pretty(FILE *fp,
struct perf_read_values *values)
{
int i, j;
int pidwidth, tidwidth;
int *counterwidth;
counterwidth = malloc(values->counters * sizeof(*counterwidth));
if (!counterwidth) {
fprintf(fp, "INTERNAL ERROR: Failed to allocate counterwidth array\n");
return;
}
tidwidth = 3;
pidwidth = 3;
for (j = 0; j < values->counters; j++)
counterwidth[j] = strlen(values->countername[j]);
for (i = 0; i < values->threads; i++) {
int width;
width = snprintf(NULL, 0, "%d", values->pid[i]);
if (width > pidwidth)
pidwidth = width;
width = snprintf(NULL, 0, "%d", values->tid[i]);
if (width > tidwidth)
tidwidth = width;
for (j = 0; j < values->counters; j++) {
width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
if (width > counterwidth[j])
counterwidth[j] = width;
}
}
fprintf(fp, "# %*s %*s", pidwidth, "PID", tidwidth, "TID");
for (j = 0; j < values->counters; j++)
fprintf(fp, " %*s", counterwidth[j], values->countername[j]);
fprintf(fp, "\n");
for (i = 0; i < values->threads; i++) {
fprintf(fp, " %*d %*d", pidwidth, values->pid[i],
tidwidth, values->tid[i]);
for (j = 0; j < values->counters; j++)
fprintf(fp, " %*" PRIu64,
counterwidth[j], values->value[i][j]);
fprintf(fp, "\n");
}
free(counterwidth);
}
static void perf_read_values__display_raw(FILE *fp,
struct perf_read_values *values)
{
int width, pidwidth, tidwidth, namewidth, rawwidth, countwidth;
int i, j;
tidwidth = 3; /* TID */
pidwidth = 3; /* PID */
namewidth = 4; /* "Name" */
rawwidth = 3; /* "Raw" */
countwidth = 5; /* "Count" */
for (i = 0; i < values->threads; i++) {
width = snprintf(NULL, 0, "%d", values->pid[i]);
if (width > pidwidth)
pidwidth = width;
width = snprintf(NULL, 0, "%d", values->tid[i]);
if (width > tidwidth)
tidwidth = width;
}
for (j = 0; j < values->counters; j++) {
width = strlen(values->countername[j]);
if (width > namewidth)
namewidth = width;
width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]);
if (width > rawwidth)
rawwidth = width;
}
for (i = 0; i < values->threads; i++) {
for (j = 0; j < values->counters; j++) {
width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
if (width > countwidth)
countwidth = width;
}
}
fprintf(fp, "# %*s %*s %*s %*s %*s\n",
pidwidth, "PID", tidwidth, "TID",
namewidth, "Name", rawwidth, "Raw",
countwidth, "Count");
for (i = 0; i < values->threads; i++)
for (j = 0; j < values->counters; j++)
fprintf(fp, " %*d %*d %*s %*" PRIx64 " %*" PRIu64,
pidwidth, values->pid[i],
tidwidth, values->tid[i],
namewidth, values->countername[j],
rawwidth, values->counterrawid[j],
countwidth, values->value[i][j]);
}
void perf_read_values_display(FILE *fp, struct perf_read_values *values, int raw)
{
if (raw)
perf_read_values__display_raw(fp, values);
else
perf_read_values__display_pretty(fp, values);
}
|
