75 lines
1.3 KiB
C
75 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <stdio.h>
|
|
#include "pmu.h"
|
|
#include "pmu-hybrid.h"
|
|
#include "topdown.h"
|
|
|
|
int topdown_filter_events(const char **attr, char **str, bool use_group,
|
|
const char *pmu_name)
|
|
{
|
|
int off = 0;
|
|
int i;
|
|
int len = 0;
|
|
char *s;
|
|
bool is_hybrid = perf_pmu__is_hybrid(pmu_name);
|
|
|
|
for (i = 0; attr[i]; i++) {
|
|
if (pmu_have_event(pmu_name, attr[i])) {
|
|
if (is_hybrid)
|
|
len += strlen(attr[i]) + strlen(pmu_name) + 3;
|
|
else
|
|
len += strlen(attr[i]) + 1;
|
|
attr[i - off] = attr[i];
|
|
} else
|
|
off++;
|
|
}
|
|
attr[i - off] = NULL;
|
|
|
|
*str = malloc(len + 1 + 2);
|
|
if (!*str)
|
|
return -1;
|
|
s = *str;
|
|
if (i - off == 0) {
|
|
*s = 0;
|
|
return 0;
|
|
}
|
|
if (use_group)
|
|
*s++ = '{';
|
|
for (i = 0; attr[i]; i++) {
|
|
if (!is_hybrid)
|
|
strcpy(s, attr[i]);
|
|
else
|
|
sprintf(s, "%s/%s/", pmu_name, attr[i]);
|
|
s += strlen(s);
|
|
*s++ = ',';
|
|
}
|
|
if (use_group) {
|
|
s[-1] = '}';
|
|
*s = 0;
|
|
} else
|
|
s[-1] = 0;
|
|
return 0;
|
|
}
|
|
|
|
__weak bool arch_topdown_check_group(bool *warn)
|
|
{
|
|
*warn = false;
|
|
return false;
|
|
}
|
|
|
|
__weak void arch_topdown_group_warn(void)
|
|
{
|
|
}
|
|
|
|
__weak bool arch_topdown_sample_read(struct evsel *leader __maybe_unused)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
__weak const char *arch_get_topdown_pmu_name(struct evlist *evlist
|
|
__maybe_unused,
|
|
bool warn __maybe_unused)
|
|
{
|
|
return "cpu";
|
|
}
|