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#include <stdlib.h>
#include "util.h"
#include "values.h"
void 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)
die("failed to allocate read_values threads arrays");
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)
die("failed to allocate read_values counters arrays");
values->counters = 0;
}
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++)
free(values->value[i]);
free(values->pid);
free(values->tid);
free(values->counterrawid);
for (i = 0; i < values->counters; i++)
free(values->countername[i]);
free(values->countername);
}
static void perf_read_values__enlarge_threads(struct perf_read_values *values)
{
values->threads_max *= 2;
values->pid = realloc(values->pid,
values->threads_max * sizeof(*values->pid));
values->tid = realloc(values->tid,
values->threads_max * sizeof(*values->tid));
values->value = realloc(values->value,
values->threads_max * sizeof(*values->value));
if (!values->pid || !values->tid || !values->value)
die("failed to enlarge read_values threads arrays");
}
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)
perf_read_values__enlarge_threads(values);
i = values->threads++;
values->pid[i] = pid;
values->tid[i] = tid;
values->value[i] = malloc(values->counters_max * sizeof(**values->value));
if (!values->value[i])
die("failed to allocate read_values counters array");
return i;
}
static void perf_read_values__enlarge_counters(struct perf_read_values *values)
{
int i;
values->counters_max *= 2;
values->counterrawid = realloc(values->counterrawid,
values->counters_max * sizeof(*values->counterrawid));
values->countername = realloc(values->countername,
values->counters_max * sizeof(*values->countername));
if (!values->counterrawid || !values->countername)
die("failed to enlarge read_values counters arrays");
for (i = 0; i < values->threads; i++) {
values->value[i] = realloc(values->value[i],
values->counters_max * sizeof(**values->value));
if (!values->value[i])
die("failed to enlarge read_values counters arrays");
}
}
static int perf_read_values__findnew_counter(struct perf_read_values *values,
u64 rawid, char *name)
{
int i;
for (i = 0; i < values->counters; i++)
if (values->counterrawid[i] == rawid)
return i;
if (values->counters == values->counters_max)
perf_read_values__enlarge_counters(values);
i = values->counters++;
values->counterrawid[i] = rawid;
values->countername[i] = strdup(name);
return i;
}
void perf_read_values_add_value(struct perf_read_values *values,
u32 pid, u32 tid,
u64 rawid, char *name, u64 value)
{
int tindex, cindex;
tindex = perf_read_values__findnew_thread(values, pid, tid);
cindex = perf_read_values__findnew_counter(values, rawid, name);
values->value[tindex][cindex] = value;
}
void perf_read_values_display(FILE *fp, struct perf_read_values *values)
{
int i, j;
int pidwidth, tidwidth;
int *counterwidth;
counterwidth = malloc(values->counters * sizeof(*counterwidth));
if (!counterwidth)
die("failed to allocate counterwidth array");
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, "%Lu", 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, " %*Lu",
counterwidth[j], values->value[i][j]);
fprintf(fp, "\n");
}
}
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