mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
![Arnaldo Carvalho de Melo](/assets/img/avatar_default.png)
Several areas already used this technique, so do some audit to consistently use it elsewhere. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-9sbere0kkplwe45ak6rk4a1f@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
232 lines
6.5 KiB
C
232 lines
6.5 KiB
C
#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++)
|
|
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 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, 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)
|
|
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, const 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;
|
|
}
|
|
|
|
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)
|
|
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, "%" 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);
|
|
}
|