72 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			72 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // SPDX-License-Identifier: GPL-2.0
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| #include <errno.h>
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| #include <stdlib.h>
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| #include <string.h>
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| #include "evsel.h"
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| #include "counts.h"
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| #include <perf/threadmap.h>
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| #include <linux/zalloc.h>
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| 
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| struct perf_counts *perf_counts__new(int ncpus, int nthreads)
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| {
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| 	struct perf_counts *counts = zalloc(sizeof(*counts));
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| 
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| 	if (counts) {
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| 		struct xyarray *values;
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| 
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| 		values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
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| 		if (!values) {
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| 			free(counts);
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| 			return NULL;
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| 		}
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| 
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| 		counts->values = values;
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| 
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| 		values = xyarray__new(ncpus, nthreads, sizeof(bool));
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| 		if (!values) {
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| 			xyarray__delete(counts->values);
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| 			free(counts);
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| 			return NULL;
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| 		}
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| 
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| 		counts->loaded = values;
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| 	}
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| 
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| 	return counts;
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| }
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| 
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| void perf_counts__delete(struct perf_counts *counts)
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| {
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| 	if (counts) {
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| 		xyarray__delete(counts->loaded);
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| 		xyarray__delete(counts->values);
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| 		free(counts);
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| 	}
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| }
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| 
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| void perf_counts__reset(struct perf_counts *counts)
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| {
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| 	xyarray__reset(counts->loaded);
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| 	xyarray__reset(counts->values);
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| }
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| 
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| void evsel__reset_counts(struct evsel *evsel)
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| {
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| 	perf_counts__reset(evsel->counts);
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| }
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| 
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| int evsel__alloc_counts(struct evsel *evsel)
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| {
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| 	struct perf_cpu_map *cpus = evsel__cpus(evsel);
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| 	int nthreads = perf_thread_map__nr(evsel->core.threads);
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| 
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| 	evsel->counts = perf_counts__new(perf_cpu_map__nr(cpus), nthreads);
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| 	return evsel->counts != NULL ? 0 : -ENOMEM;
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| }
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| 
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| void evsel__free_counts(struct evsel *evsel)
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| {
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| 	perf_counts__delete(evsel->counts);
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| 	evsel->counts = NULL;
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| }
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