1 // SPDX-License-Identifier: GPL-2.0
11 int perf_read_values_init(struct perf_read_values *values)
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");
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;
37 zfree(&values->counterrawid);
38 zfree(&values->countername);
42 zfree(&values->value);
46 void perf_read_values_destroy(struct perf_read_values *values)
50 if (!values->threads_max || !values->counters_max)
53 for (i = 0; i < values->threads; i++)
54 zfree(&values->value[i]);
55 zfree(&values->value);
58 zfree(&values->counterrawid);
59 for (i = 0; i < values->counters; i++)
60 zfree(&values->countername[i]);
61 zfree(&values->countername);
64 static int perf_read_values__enlarge_threads(struct perf_read_values *values)
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));
71 if (!npid || !ntid || !nvalue)
74 values->threads_max = nthreads_max;
77 values->value = nvalue;
83 pr_debug("failed to enlarge read_values threads arrays");
87 static int perf_read_values__findnew_thread(struct perf_read_values *values,
92 for (i = 0; i < values->threads; i++)
93 if (values->pid[i] == pid && values->tid[i] == tid)
96 if (values->threads == values->threads_max) {
97 i = perf_read_values__enlarge_threads(values);
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");
109 values->pid[i] = pid;
110 values->tid[i] = tid;
111 values->threads = i + 1;
116 static int perf_read_values__enlarge_counters(struct perf_read_values *values)
119 int i, counters_max = values->counters_max * 2;
120 u64 *counterrawid = realloc(values->counterrawid, counters_max * sizeof(*values->counterrawid));
123 pr_debug("failed to enlarge read_values rawid array");
127 countername = realloc(values->countername, counters_max * sizeof(*values->countername));
129 pr_debug("failed to enlarge read_values rawid array");
133 for (i = 0; i < values->threads; i++) {
134 u64 *value = realloc(values->value[i], counters_max * sizeof(**values->value));
138 pr_debug("failed to enlarge read_values ->values array");
142 for (j = values->counters_max; j < counters_max; j++)
145 values->value[i] = value;
148 values->counters_max = counters_max;
149 values->counterrawid = counterrawid;
150 values->countername = countername;
161 static int perf_read_values__findnew_counter(struct perf_read_values *values,
162 u64 rawid, const char *name)
166 for (i = 0; i < values->counters; i++)
167 if (values->counterrawid[i] == rawid)
170 if (values->counters == values->counters_max) {
171 i = perf_read_values__enlarge_counters(values);
176 i = values->counters++;
177 values->counterrawid[i] = rawid;
178 values->countername[i] = strdup(name);
183 int perf_read_values_add_value(struct perf_read_values *values,
185 u64 rawid, const char *name, u64 value)
189 tindex = perf_read_values__findnew_thread(values, pid, tid);
192 cindex = perf_read_values__findnew_counter(values, rawid, name);
196 values->value[tindex][cindex] += value;
200 static void perf_read_values__display_pretty(FILE *fp,
201 struct perf_read_values *values)
204 int pidwidth, tidwidth;
207 counterwidth = malloc(values->counters * sizeof(*counterwidth));
209 fprintf(fp, "INTERNAL ERROR: Failed to allocate counterwidth array\n");
214 for (j = 0; j < values->counters; j++)
215 counterwidth[j] = strlen(values->countername[j]);
216 for (i = 0; i < values->threads; i++) {
219 width = snprintf(NULL, 0, "%d", values->pid[i]);
220 if (width > pidwidth)
222 width = snprintf(NULL, 0, "%d", values->tid[i]);
223 if (width > tidwidth)
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;
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]);
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]);
248 static void perf_read_values__display_raw(FILE *fp,
249 struct perf_read_values *values)
251 int width, pidwidth, tidwidth, namewidth, rawwidth, countwidth;
254 tidwidth = 3; /* TID */
255 pidwidth = 3; /* PID */
256 namewidth = 4; /* "Name" */
257 rawwidth = 3; /* "Raw" */
258 countwidth = 5; /* "Count" */
260 for (i = 0; i < values->threads; i++) {
261 width = snprintf(NULL, 0, "%d", values->pid[i]);
262 if (width > pidwidth)
264 width = snprintf(NULL, 0, "%d", values->tid[i]);
265 if (width > tidwidth)
268 for (j = 0; j < values->counters; j++) {
269 width = strlen(values->countername[j]);
270 if (width > namewidth)
272 width = snprintf(NULL, 0, "%" PRIx64, values->counterrawid[j]);
273 if (width > rawwidth)
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)
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]);
298 void perf_read_values_display(FILE *fp, struct perf_read_values *values, int raw)
301 perf_read_values__display_raw(fp, values);
303 perf_read_values__display_pretty(fp, values);