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1// SPDX-License-Identifier: GPL-2.0
2#include <inttypes.h>
3#include <stdio.h>
4#include <stdlib.h>
5#include <errno.h>
6
7#include "util.h"
8#include "values.h"
9#include "debug.h"
10
11int perf_read_values_init(struct perf_read_values *values)
12{
13 values->threads_max = 16;
14 values->pid = malloc(values->threads_max * sizeof(*values->pid));
15 values->tid = malloc(values->threads_max * sizeof(*values->tid));
16 values->value = zalloc(values->threads_max * sizeof(*values->value));
17 if (!values->pid || !values->tid || !values->value) {
18 pr_debug("failed to allocate read_values threads arrays");
19 goto out_free_pid;
20 }
21 values->threads = 0;
22
23 values->counters_max = 16;
24 values->counterrawid = malloc(values->counters_max
25 * sizeof(*values->counterrawid));
26 values->countername = malloc(values->counters_max
27 * sizeof(*values->countername));
28 if (!values->counterrawid || !values->countername) {
29 pr_debug("failed to allocate read_values counters arrays");
30 goto out_free_counter;
31 }
32 values->counters = 0;
33
34 return 0;
35
36out_free_counter:
37 zfree(&values->counterrawid);
38 zfree(&values->countername);
39out_free_pid:
40 zfree(&values->pid);
41 zfree(&values->tid);
42 zfree(&values->value);
43 return -ENOMEM;
44}
45
46void perf_read_values_destroy(struct perf_read_values *values)
47{
48 int i;
49
50 if (!values->threads_max || !values->counters_max)
51 return;
52
53 for (i = 0; i < values->threads; i++)
54 zfree(&values->value[i]);
55 zfree(&values->value);
56 zfree(&values->pid);
57 zfree(&values->tid);
58 zfree(&values->counterrawid);
59 for (i = 0; i < values->counters; i++)
60 zfree(&values->countername[i]);
61 zfree(&values->countername);
62}
63
64static int perf_read_values__enlarge_threads(struct perf_read_values *values)
65{
66 int nthreads_max = values->threads_max * 2;
67 void *npid = realloc(values->pid, nthreads_max * sizeof(*values->pid)),
68 *ntid = realloc(values->tid, nthreads_max * sizeof(*values->tid)),
69 *nvalue = realloc(values->value, nthreads_max * sizeof(*values->value));
70
71 if (!npid || !ntid || !nvalue)
72 goto out_err;
73
74 values->threads_max = nthreads_max;
75 values->pid = npid;
76 values->tid = ntid;
77 values->value = nvalue;
78 return 0;
79out_err:
80 free(npid);
81 free(ntid);
82 free(nvalue);
83 pr_debug("failed to enlarge read_values threads arrays");
84 return -ENOMEM;
85}
86
87static int perf_read_values__findnew_thread(struct perf_read_values *values,
88 u32 pid, u32 tid)
89{
90 int i;
91
92 for (i = 0; i < values->threads; i++)
93 if (values->pid[i] == pid && values->tid[i] == tid)
94 return i;
95
96 if (values->threads == values->threads_max) {
97 i = perf_read_values__enlarge_threads(values);
98 if (i < 0)
99 return i;
100 }
101
102 i = values->threads;
103
104 values->value[i] = zalloc(values->counters_max * sizeof(**values->value));
105 if (!values->value[i]) {
106 pr_debug("failed to allocate read_values counters array");
107 return -ENOMEM;
108 }
109 values->pid[i] = pid;
110 values->tid[i] = tid;
111 values->threads = i + 1;
112
113 return i;
114}
115
116static int perf_read_values__enlarge_counters(struct perf_read_values *values)
117{
118 char **countername;
119 int i, counters_max = values->counters_max * 2;
120 u64 *counterrawid = realloc(values->counterrawid, counters_max * sizeof(*values->counterrawid));
121
122 if (!counterrawid) {
123 pr_debug("failed to enlarge read_values rawid array");
124 goto out_enomem;
125 }
126
127 countername = realloc(values->countername, counters_max * sizeof(*values->countername));
128 if (!countername) {
129 pr_debug("failed to enlarge read_values rawid array");
130 goto out_free_rawid;
131 }
132
133 for (i = 0; i < values->threads; i++) {
134 u64 *value = realloc(values->value[i], counters_max * sizeof(**values->value));
135 int j;
136
137 if (!value) {
138 pr_debug("failed to enlarge read_values ->values array");
139 goto out_free_name;
140 }
141
142 for (j = values->counters_max; j < counters_max; j++)
143 value[j] = 0;
144
145 values->value[i] = value;
146 }
147
148 values->counters_max = counters_max;
149 values->counterrawid = counterrawid;
150 values->countername = countername;
151
152 return 0;
153out_free_name:
154 free(countername);
155out_free_rawid:
156 free(counterrawid);
157out_enomem:
158 return -ENOMEM;
159}
160
161static int perf_read_values__findnew_counter(struct perf_read_values *values,
162 u64 rawid, const char *name)
163{
164 int i;
165
166 for (i = 0; i < values->counters; i++)
167 if (values->counterrawid[i] == rawid)
168 return i;
169
170 if (values->counters == values->counters_max) {
171 i = perf_read_values__enlarge_counters(values);
172 if (i)
173 return i;
174 }
175
176 i = values->counters++;
177 values->counterrawid[i] = rawid;
178 values->countername[i] = strdup(name);
179
180 return i;
181}
182
183int perf_read_values_add_value(struct perf_read_values *values,
184 u32 pid, u32 tid,
185 u64 rawid, const char *name, u64 value)
186{
187 int tindex, cindex;
188
189 tindex = perf_read_values__findnew_thread(values, pid, tid);
190 if (tindex < 0)
191 return tindex;
192 cindex = perf_read_values__findnew_counter(values, rawid, name);
193 if (cindex < 0)
194 return cindex;
195
196 values->value[tindex][cindex] += value;
197 return 0;
198}
199
200static void perf_read_values__display_pretty(FILE *fp,
201 struct perf_read_values *values)
202{
203 int i, j;
204 int pidwidth, tidwidth;
205 int *counterwidth;
206
207 counterwidth = malloc(values->counters * sizeof(*counterwidth));
208 if (!counterwidth) {
209 fprintf(fp, "INTERNAL ERROR: Failed to allocate counterwidth array\n");
210 return;
211 }
212 tidwidth = 3;
213 pidwidth = 3;
214 for (j = 0; j < values->counters; j++)
215 counterwidth[j] = strlen(values->countername[j]);
216 for (i = 0; i < values->threads; i++) {
217 int width;
218
219 width = snprintf(NULL, 0, "%d", values->pid[i]);
220 if (width > pidwidth)
221 pidwidth = width;
222 width = snprintf(NULL, 0, "%d", values->tid[i]);
223 if (width > tidwidth)
224 tidwidth = width;
225 for (j = 0; j < values->counters; j++) {
226 width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
227 if (width > counterwidth[j])
228 counterwidth[j] = width;
229 }
230 }
231
232 fprintf(fp, "# %*s %*s", pidwidth, "PID", tidwidth, "TID");
233 for (j = 0; j < values->counters; j++)
234 fprintf(fp, " %*s", counterwidth[j], values->countername[j]);
235 fprintf(fp, "\n");
236
237 for (i = 0; i < values->threads; i++) {
238 fprintf(fp, " %*d %*d", pidwidth, values->pid[i],
239 tidwidth, values->tid[i]);
240 for (j = 0; j < values->counters; j++)
241 fprintf(fp, " %*" PRIu64,
242 counterwidth[j], values->value[i][j]);
243 fprintf(fp, "\n");
244 }
245 free(counterwidth);
246}
247
248static void perf_read_values__display_raw(FILE *fp,
249 struct perf_read_values *values)
250{
251 int width, pidwidth, tidwidth, namewidth, rawwidth, countwidth;
252 int i, j;
253
254 tidwidth = 3; /* TID */
255 pidwidth = 3; /* PID */
256 namewidth = 4; /* "Name" */
257 rawwidth = 3; /* "Raw" */
258 countwidth = 5; /* "Count" */
259
260 for (i = 0; i < values->threads; i++) {
261 width = snprintf(NULL, 0, "%d", values->pid[i]);
262 if (width > pidwidth)
263 pidwidth = width;
264 width = snprintf(NULL, 0, "%d", values->tid[i]);
265 if (width > tidwidth)
266 tidwidth = width;
267 }
268 for (j = 0; j < values->counters; j++) {
269 width = strlen(values->countername[j]);
270 if (width > namewidth)
271 namewidth = width;
272 width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]);
273 if (width > rawwidth)
274 rawwidth = width;
275 }
276 for (i = 0; i < values->threads; i++) {
277 for (j = 0; j < values->counters; j++) {
278 width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
279 if (width > countwidth)
280 countwidth = width;
281 }
282 }
283
284 fprintf(fp, "# %*s %*s %*s %*s %*s\n",
285 pidwidth, "PID", tidwidth, "TID",
286 namewidth, "Name", rawwidth, "Raw",
287 countwidth, "Count");
288 for (i = 0; i < values->threads; i++)
289 for (j = 0; j < values->counters; j++)
290 fprintf(fp, " %*d %*d %*s %*" PRIx64 " %*" PRIu64,
291 pidwidth, values->pid[i],
292 tidwidth, values->tid[i],
293 namewidth, values->countername[j],
294 rawwidth, values->counterrawid[j],
295 countwidth, values->value[i][j]);
296}
297
298void perf_read_values_display(FILE *fp, struct perf_read_values *values, int raw)
299{
300 if (raw)
301 perf_read_values__display_raw(fp, values);
302 else
303 perf_read_values__display_pretty(fp, values);
304}
1// SPDX-License-Identifier: GPL-2.0
2#include <inttypes.h>
3#include <stdio.h>
4#include <stdlib.h>
5#include <string.h>
6#include <errno.h>
7#include <linux/zalloc.h>
8
9#include "values.h"
10#include "debug.h"
11
12int perf_read_values_init(struct perf_read_values *values)
13{
14 values->threads_max = 16;
15 values->pid = malloc(values->threads_max * sizeof(*values->pid));
16 values->tid = malloc(values->threads_max * sizeof(*values->tid));
17 values->value = zalloc(values->threads_max * sizeof(*values->value));
18 if (!values->pid || !values->tid || !values->value) {
19 pr_debug("failed to allocate read_values threads arrays");
20 goto out_free_pid;
21 }
22 values->threads = 0;
23
24 values->counters_max = 16;
25 values->counterrawid = malloc(values->counters_max
26 * sizeof(*values->counterrawid));
27 values->countername = malloc(values->counters_max
28 * sizeof(*values->countername));
29 if (!values->counterrawid || !values->countername) {
30 pr_debug("failed to allocate read_values counters arrays");
31 goto out_free_counter;
32 }
33 values->counters = 0;
34
35 return 0;
36
37out_free_counter:
38 zfree(&values->counterrawid);
39 zfree(&values->countername);
40out_free_pid:
41 zfree(&values->pid);
42 zfree(&values->tid);
43 zfree(&values->value);
44 return -ENOMEM;
45}
46
47void perf_read_values_destroy(struct perf_read_values *values)
48{
49 int i;
50
51 if (!values->threads_max || !values->counters_max)
52 return;
53
54 for (i = 0; i < values->threads; i++)
55 zfree(&values->value[i]);
56 zfree(&values->value);
57 zfree(&values->pid);
58 zfree(&values->tid);
59 zfree(&values->counterrawid);
60 for (i = 0; i < values->counters; i++)
61 zfree(&values->countername[i]);
62 zfree(&values->countername);
63}
64
65static int perf_read_values__enlarge_threads(struct perf_read_values *values)
66{
67 int nthreads_max = values->threads_max * 2;
68 void *npid = realloc(values->pid, nthreads_max * sizeof(*values->pid)),
69 *ntid = realloc(values->tid, nthreads_max * sizeof(*values->tid)),
70 *nvalue = realloc(values->value, nthreads_max * sizeof(*values->value));
71
72 if (!npid || !ntid || !nvalue)
73 goto out_err;
74
75 values->threads_max = nthreads_max;
76 values->pid = npid;
77 values->tid = ntid;
78 values->value = nvalue;
79 return 0;
80out_err:
81 free(npid);
82 free(ntid);
83 free(nvalue);
84 pr_debug("failed to enlarge read_values threads arrays");
85 return -ENOMEM;
86}
87
88static int perf_read_values__findnew_thread(struct perf_read_values *values,
89 u32 pid, u32 tid)
90{
91 int i;
92
93 for (i = 0; i < values->threads; i++)
94 if (values->pid[i] == pid && values->tid[i] == tid)
95 return i;
96
97 if (values->threads == values->threads_max) {
98 i = perf_read_values__enlarge_threads(values);
99 if (i < 0)
100 return i;
101 }
102
103 i = values->threads;
104
105 values->value[i] = zalloc(values->counters_max * sizeof(**values->value));
106 if (!values->value[i]) {
107 pr_debug("failed to allocate read_values counters array");
108 return -ENOMEM;
109 }
110 values->pid[i] = pid;
111 values->tid[i] = tid;
112 values->threads = i + 1;
113
114 return i;
115}
116
117static int perf_read_values__enlarge_counters(struct perf_read_values *values)
118{
119 char **countername;
120 int i, counters_max = values->counters_max * 2;
121 u64 *counterrawid = realloc(values->counterrawid, counters_max * sizeof(*values->counterrawid));
122
123 if (!counterrawid) {
124 pr_debug("failed to enlarge read_values rawid array");
125 goto out_enomem;
126 }
127
128 countername = realloc(values->countername, counters_max * sizeof(*values->countername));
129 if (!countername) {
130 pr_debug("failed to enlarge read_values rawid array");
131 goto out_free_rawid;
132 }
133
134 for (i = 0; i < values->threads; i++) {
135 u64 *value = realloc(values->value[i], counters_max * sizeof(**values->value));
136 int j;
137
138 if (!value) {
139 pr_debug("failed to enlarge read_values ->values array");
140 goto out_free_name;
141 }
142
143 for (j = values->counters_max; j < counters_max; j++)
144 value[j] = 0;
145
146 values->value[i] = value;
147 }
148
149 values->counters_max = counters_max;
150 values->counterrawid = counterrawid;
151 values->countername = countername;
152
153 return 0;
154out_free_name:
155 free(countername);
156out_free_rawid:
157 free(counterrawid);
158out_enomem:
159 return -ENOMEM;
160}
161
162static int perf_read_values__findnew_counter(struct perf_read_values *values,
163 u64 rawid, const char *name)
164{
165 int i;
166
167 for (i = 0; i < values->counters; i++)
168 if (values->counterrawid[i] == rawid)
169 return i;
170
171 if (values->counters == values->counters_max) {
172 i = perf_read_values__enlarge_counters(values);
173 if (i)
174 return i;
175 }
176
177 i = values->counters++;
178 values->counterrawid[i] = rawid;
179 values->countername[i] = strdup(name);
180
181 return i;
182}
183
184int perf_read_values_add_value(struct perf_read_values *values,
185 u32 pid, u32 tid,
186 u64 rawid, const char *name, u64 value)
187{
188 int tindex, cindex;
189
190 tindex = perf_read_values__findnew_thread(values, pid, tid);
191 if (tindex < 0)
192 return tindex;
193 cindex = perf_read_values__findnew_counter(values, rawid, name);
194 if (cindex < 0)
195 return cindex;
196
197 values->value[tindex][cindex] += value;
198 return 0;
199}
200
201static void perf_read_values__display_pretty(FILE *fp,
202 struct perf_read_values *values)
203{
204 int i, j;
205 int pidwidth, tidwidth;
206 int *counterwidth;
207
208 counterwidth = malloc(values->counters * sizeof(*counterwidth));
209 if (!counterwidth) {
210 fprintf(fp, "INTERNAL ERROR: Failed to allocate counterwidth array\n");
211 return;
212 }
213 tidwidth = 3;
214 pidwidth = 3;
215 for (j = 0; j < values->counters; j++)
216 counterwidth[j] = strlen(values->countername[j]);
217 for (i = 0; i < values->threads; i++) {
218 int width;
219
220 width = snprintf(NULL, 0, "%d", values->pid[i]);
221 if (width > pidwidth)
222 pidwidth = width;
223 width = snprintf(NULL, 0, "%d", values->tid[i]);
224 if (width > tidwidth)
225 tidwidth = width;
226 for (j = 0; j < values->counters; j++) {
227 width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
228 if (width > counterwidth[j])
229 counterwidth[j] = width;
230 }
231 }
232
233 fprintf(fp, "# %*s %*s", pidwidth, "PID", tidwidth, "TID");
234 for (j = 0; j < values->counters; j++)
235 fprintf(fp, " %*s", counterwidth[j], values->countername[j]);
236 fprintf(fp, "\n");
237
238 for (i = 0; i < values->threads; i++) {
239 fprintf(fp, " %*d %*d", pidwidth, values->pid[i],
240 tidwidth, values->tid[i]);
241 for (j = 0; j < values->counters; j++)
242 fprintf(fp, " %*" PRIu64,
243 counterwidth[j], values->value[i][j]);
244 fprintf(fp, "\n");
245 }
246 free(counterwidth);
247}
248
249static void perf_read_values__display_raw(FILE *fp,
250 struct perf_read_values *values)
251{
252 int width, pidwidth, tidwidth, namewidth, rawwidth, countwidth;
253 int i, j;
254
255 tidwidth = 3; /* TID */
256 pidwidth = 3; /* PID */
257 namewidth = 4; /* "Name" */
258 rawwidth = 3; /* "Raw" */
259 countwidth = 5; /* "Count" */
260
261 for (i = 0; i < values->threads; i++) {
262 width = snprintf(NULL, 0, "%d", values->pid[i]);
263 if (width > pidwidth)
264 pidwidth = width;
265 width = snprintf(NULL, 0, "%d", values->tid[i]);
266 if (width > tidwidth)
267 tidwidth = width;
268 }
269 for (j = 0; j < values->counters; j++) {
270 width = strlen(values->countername[j]);
271 if (width > namewidth)
272 namewidth = width;
273 width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]);
274 if (width > rawwidth)
275 rawwidth = width;
276 }
277 for (i = 0; i < values->threads; i++) {
278 for (j = 0; j < values->counters; j++) {
279 width = snprintf(NULL, 0, "%" PRIu64, values->value[i][j]);
280 if (width > countwidth)
281 countwidth = width;
282 }
283 }
284
285 fprintf(fp, "# %*s %*s %*s %*s %*s\n",
286 pidwidth, "PID", tidwidth, "TID",
287 namewidth, "Name", rawwidth, "Raw",
288 countwidth, "Count");
289 for (i = 0; i < values->threads; i++)
290 for (j = 0; j < values->counters; j++)
291 fprintf(fp, " %*d %*d %*s %*" PRIx64 " %*" PRIu64,
292 pidwidth, values->pid[i],
293 tidwidth, values->tid[i],
294 namewidth, values->countername[j],
295 rawwidth, values->counterrawid[j],
296 countwidth, values->value[i][j]);
297}
298
299void perf_read_values_display(FILE *fp, struct perf_read_values *values, int raw)
300{
301 if (raw)
302 perf_read_values__display_raw(fp, values);
303 else
304 perf_read_values__display_pretty(fp, values);
305}