b8eca4d761
Move the perf_evsel__alloc_fd() function from perf to libperf. It's not exported. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Alexey Budankov <alexey.budankov@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Michael Petlan <mpetlan@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20190721112506.12306-62-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
49 lines
1.0 KiB
C
49 lines
1.0 KiB
C
// SPDX-License-Identifier: GPL-2.0
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#include <errno.h>
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#include <perf/evsel.h>
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#include <linux/list.h>
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#include <internal/evsel.h>
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#include <linux/zalloc.h>
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#include <stdlib.h>
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#include <internal/xyarray.h>
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#include <linux/string.h>
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void perf_evsel__init(struct perf_evsel *evsel, struct perf_event_attr *attr)
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{
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INIT_LIST_HEAD(&evsel->node);
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evsel->attr = *attr;
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}
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struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr)
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{
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struct perf_evsel *evsel = zalloc(sizeof(*evsel));
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if (evsel != NULL)
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perf_evsel__init(evsel, attr);
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return evsel;
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}
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void perf_evsel__delete(struct perf_evsel *evsel)
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{
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free(evsel);
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}
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#define FD(e, x, y) (*(int *) xyarray__entry(e->fd, x, y))
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int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads)
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{
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evsel->fd = xyarray__new(ncpus, nthreads, sizeof(int));
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if (evsel->fd) {
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int cpu, thread;
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for (cpu = 0; cpu < ncpus; cpu++) {
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for (thread = 0; thread < nthreads; thread++) {
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FD(evsel, cpu, thread) = -1;
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}
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}
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}
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return evsel->fd != NULL ? 0 : -ENOMEM;
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}
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