forked from Minki/linux
f8a9530939
They were on evsel.c because they came from refactoring existing evsel methods, so, to make reviewing the changes easier, I kept it there, now its a plain move. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Tom Zanussi <tzanussi@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
137 lines
3.7 KiB
C
137 lines
3.7 KiB
C
#ifndef __PERF_EVSEL_H
|
|
#define __PERF_EVSEL_H 1
|
|
|
|
#include <linux/list.h>
|
|
#include <stdbool.h>
|
|
#include "../../../include/linux/perf_event.h"
|
|
#include "types.h"
|
|
#include "xyarray.h"
|
|
|
|
struct perf_counts_values {
|
|
union {
|
|
struct {
|
|
u64 val;
|
|
u64 ena;
|
|
u64 run;
|
|
};
|
|
u64 values[3];
|
|
};
|
|
};
|
|
|
|
struct perf_counts {
|
|
s8 scaled;
|
|
struct perf_counts_values aggr;
|
|
struct perf_counts_values cpu[];
|
|
};
|
|
|
|
struct perf_evsel;
|
|
|
|
/*
|
|
* Per fd, to map back from PERF_SAMPLE_ID to evsel, only used when there are
|
|
* more than one entry in the evlist.
|
|
*/
|
|
struct perf_sample_id {
|
|
struct hlist_node node;
|
|
u64 id;
|
|
struct perf_evsel *evsel;
|
|
};
|
|
|
|
struct perf_evsel {
|
|
struct list_head node;
|
|
struct perf_event_attr attr;
|
|
char *filter;
|
|
struct xyarray *fd;
|
|
struct xyarray *id;
|
|
struct perf_counts *counts;
|
|
int idx;
|
|
void *priv;
|
|
};
|
|
|
|
struct cpu_map;
|
|
struct thread_map;
|
|
struct perf_evlist;
|
|
|
|
struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx);
|
|
void perf_evsel__init(struct perf_evsel *evsel,
|
|
struct perf_event_attr *attr, int idx);
|
|
void perf_evsel__exit(struct perf_evsel *evsel);
|
|
void perf_evsel__delete(struct perf_evsel *evsel);
|
|
|
|
int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
|
|
int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads);
|
|
int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus);
|
|
void perf_evsel__free_fd(struct perf_evsel *evsel);
|
|
void perf_evsel__free_id(struct perf_evsel *evsel);
|
|
void perf_evsel__close_fd(struct perf_evsel *evsel, int ncpus, int nthreads);
|
|
|
|
int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
|
|
struct cpu_map *cpus, bool group, bool inherit);
|
|
int perf_evsel__open_per_thread(struct perf_evsel *evsel,
|
|
struct thread_map *threads, bool group, bool inherit);
|
|
int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus,
|
|
struct thread_map *threads, bool group, bool inherit);
|
|
|
|
#define perf_evsel__match(evsel, t, c) \
|
|
(evsel->attr.type == PERF_TYPE_##t && \
|
|
evsel->attr.config == PERF_COUNT_##c)
|
|
|
|
int __perf_evsel__read_on_cpu(struct perf_evsel *evsel,
|
|
int cpu, int thread, bool scale);
|
|
|
|
/**
|
|
* perf_evsel__read_on_cpu - Read out the results on a CPU and thread
|
|
*
|
|
* @evsel - event selector to read value
|
|
* @cpu - CPU of interest
|
|
* @thread - thread of interest
|
|
*/
|
|
static inline int perf_evsel__read_on_cpu(struct perf_evsel *evsel,
|
|
int cpu, int thread)
|
|
{
|
|
return __perf_evsel__read_on_cpu(evsel, cpu, thread, false);
|
|
}
|
|
|
|
/**
|
|
* perf_evsel__read_on_cpu_scaled - Read out the results on a CPU and thread, scaled
|
|
*
|
|
* @evsel - event selector to read value
|
|
* @cpu - CPU of interest
|
|
* @thread - thread of interest
|
|
*/
|
|
static inline int perf_evsel__read_on_cpu_scaled(struct perf_evsel *evsel,
|
|
int cpu, int thread)
|
|
{
|
|
return __perf_evsel__read_on_cpu(evsel, cpu, thread, true);
|
|
}
|
|
|
|
int __perf_evsel__read(struct perf_evsel *evsel, int ncpus, int nthreads,
|
|
bool scale);
|
|
|
|
/**
|
|
* perf_evsel__read - Read the aggregate results on all CPUs
|
|
*
|
|
* @evsel - event selector to read value
|
|
* @ncpus - Number of cpus affected, from zero
|
|
* @nthreads - Number of threads affected, from zero
|
|
*/
|
|
static inline int perf_evsel__read(struct perf_evsel *evsel,
|
|
int ncpus, int nthreads)
|
|
{
|
|
return __perf_evsel__read(evsel, ncpus, nthreads, false);
|
|
}
|
|
|
|
/**
|
|
* perf_evsel__read_scaled - Read the aggregate results on all CPUs, scaled
|
|
*
|
|
* @evsel - event selector to read value
|
|
* @ncpus - Number of cpus affected, from zero
|
|
* @nthreads - Number of threads affected, from zero
|
|
*/
|
|
static inline int perf_evsel__read_scaled(struct perf_evsel *evsel,
|
|
int ncpus, int nthreads)
|
|
{
|
|
return __perf_evsel__read(evsel, ncpus, nthreads, true);
|
|
}
|
|
|
|
#endif /* __PERF_EVSEL_H */
|