1 files changed, 36 insertions, 0 deletions
diff --git a/include/perfcounters.h b/include/perfcounters.h
new file mode 100644
index 0000000..03f94fb
--- /dev/null
+++ b/include/perfcounters.h
@@ -0,0 +1,36 @@
+#ifndef PERFCOUNTERS_H
+#define PERFCOUNTERS_H
+#include <stdint.h>
+#include "../../litmus-rt/include/linux/perf_event.h"
+#define NR_PERF_COUNTERS        4
+/*
+ * Retain this information with a performance counter file descriptor.
+ */
+struct perf_counter {
+        int                     fd;
+        enum perf_type_id       type;
+        uint64_t                config;
+};
+/*
+ * Initialize a set of counters for a CPU.
+ *
+ * This is NOT thread safe!
+ *
+ * @cpu                 CPU
+ * @group_leader        group leader PID or -1 make a new group
+ * @perf_counter        array
+ * @return              0 or error
+ */
+int setup_cpu_perf(const int, const int, struct perf_counter*);
+const char* get_perf_name(const struct perf_counter*);
+int read_perf_counter(const struct perf_counter*, uint64_t*);
+#endif

diff --git a/include/perfcounters.h b/include/perfcounters.h new file mode 100644 index 0000000..03f94fb --- /dev/null +++ b/include/perfcounters.h
@@ -0,0 +1,36 @@
	1	#ifndef PERFCOUNTERS_H
	2	#define PERFCOUNTERS_H
	3
	4	#include <stdint.h>
	5
	6	#include "../../litmus-rt/include/linux/perf_event.h"
	7
	8	#define NR_PERF_COUNTERS 4
	9
	10	/*
	11	* Retain this information with a performance counter file descriptor.
	12	*/
	13	struct perf_counter {
	14	int fd;
	15	enum perf_type_id type;
	16	uint64_t config;
	17	};
	18
	19
	20	/*
	21	* Initialize a set of counters for a CPU.
	22	*
	23	* This is NOT thread safe!
	24	*
	25	* @cpu CPU
	26	* @group_leader group leader PID or -1 make a new group
	27	* @perf_counter array
	28	* @return 0 or error
	29	*/
	30	int setup_cpu_perf(const int, const int, struct perf_counter*);
	31
	32	const char* get_perf_name(const struct perf_counter*);
	33
	34	int read_perf_counter(const struct perf_counter, uint64_t);
	35
	36	#endif