-#ifndef _LTTNG_WRAPPER_PERF_H
-#define _LTTNG_WRAPPER_PERF_H
-
-/*
+/* SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1)
+ *
* wrapper/perf.h
*
* Copyright (C) 2010-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
+#ifndef _LTTNG_WRAPPER_PERF_H
+#define _LTTNG_WRAPPER_PERF_H
+
#include <linux/perf_event.h>
-#if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,99))
+#ifdef CONFIG_PERF_EVENTS
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0))
static inline struct perf_event *
wrapper_perf_event_create_kernel_counter(struct perf_event_attr *attr,
int cpu,
{
return perf_event_create_kernel_counter(attr, cpu, task, callback, NULL);
}
-#else /* defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,99)) */
+#else /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) */
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
static inline struct perf_event *
#define local64_read(l) atomic64_read(l)
#endif
-#endif /* defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,99)) */
+#endif /* (LINUX_VERSION_CODE >= KERNEL_VERSION(3,1,0)) */
+
+#endif /* CONFIG_PERF_EVENTS */
#endif /* _LTTNG_WRAPPER_PERF_H */