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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /tools/perf/util/counts.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/counts.c')
-rw-r--r--tools/perf/util/counts.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/tools/perf/util/counts.c b/tools/perf/util/counts.c
new file mode 100644
index 0000000000..11cd85b278
--- /dev/null
+++ b/tools/perf/util/counts.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <stdlib.h>
+#include <string.h>
+#include "evsel.h"
+#include "counts.h"
+#include <perf/threadmap.h>
+#include <linux/zalloc.h>
+
+struct perf_counts *perf_counts__new(int ncpus, int nthreads)
+{
+ struct perf_counts *counts = zalloc(sizeof(*counts));
+
+ if (counts) {
+ struct xyarray *values;
+
+ values = xyarray__new(ncpus, nthreads, sizeof(struct perf_counts_values));
+ if (!values) {
+ free(counts);
+ return NULL;
+ }
+
+ counts->values = values;
+
+ values = xyarray__new(ncpus, nthreads, sizeof(bool));
+ if (!values) {
+ xyarray__delete(counts->values);
+ free(counts);
+ return NULL;
+ }
+
+ counts->loaded = values;
+ }
+
+ return counts;
+}
+
+void perf_counts__delete(struct perf_counts *counts)
+{
+ if (counts) {
+ xyarray__delete(counts->loaded);
+ xyarray__delete(counts->values);
+ free(counts);
+ }
+}
+
+void perf_counts__reset(struct perf_counts *counts)
+{
+ xyarray__reset(counts->loaded);
+ xyarray__reset(counts->values);
+}
+
+void evsel__reset_counts(struct evsel *evsel)
+{
+ perf_counts__reset(evsel->counts);
+}
+
+int evsel__alloc_counts(struct evsel *evsel)
+{
+ struct perf_cpu_map *cpus = evsel__cpus(evsel);
+ int nthreads = perf_thread_map__nr(evsel->core.threads);
+
+ evsel->counts = perf_counts__new(perf_cpu_map__nr(cpus), nthreads);
+ return evsel->counts != NULL ? 0 : -ENOMEM;
+}
+
+void evsel__free_counts(struct evsel *evsel)
+{
+ perf_counts__delete(evsel->counts);
+ evsel->counts = NULL;
+}