Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include "evsel.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include "counts.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/zalloc.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) struct perf_counts *perf_counts__new(int ncpus, int nthreads)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	struct perf_counts *counts = zalloc(sizeof(*counts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	if (counts) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 		struct xyarray *values;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 		values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		if (!values) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 			free(counts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 			return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		counts->values = values;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 		values = xyarray__new(ncpus, nthreads, sizeof(bool));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		if (!values) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 			xyarray__delete(counts->values);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			free(counts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 			return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		counts->loaded = values;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	return counts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) void perf_counts__delete(struct perf_counts *counts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	if (counts) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 		xyarray__delete(counts->loaded);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		xyarray__delete(counts->values);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		free(counts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) void perf_counts__reset(struct perf_counts *counts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	xyarray__reset(counts->loaded);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	xyarray__reset(counts->values);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	memset(&counts->aggr, 0, sizeof(struct perf_counts_values));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) void evsel__reset_counts(struct evsel *evsel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	perf_counts__reset(evsel->counts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) int evsel__alloc_counts(struct evsel *evsel, int ncpus, int nthreads)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 	evsel->counts = perf_counts__new(ncpus, nthreads);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 	return evsel->counts != NULL ? 0 : -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) void evsel__free_counts(struct evsel *evsel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	perf_counts__delete(evsel->counts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 	evsel->counts = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) }