[mirror_ubuntu-jammy-kernel.git] / tools / perf / perf-sys.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _PERF_SYS_H
#define _PERF_SYS_H

#include <unistd.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <linux/compiler.h>

struct perf_event_attr;

extern bool test_attr__enabled;
void test_attr__ready(void);
void test_attr__init(void);
void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
		     int fd, int group_fd, unsigned long flags);

#ifndef HAVE_ATTR_TEST
#define HAVE_ATTR_TEST 1
#endif

static inline int
sys_perf_event_open(struct perf_event_attr *attr,
		      pid_t pid, int cpu, int group_fd,
		      unsigned long flags)
{
	int fd;

	fd = syscall(__NR_perf_event_open, attr, pid, cpu,
		     group_fd, flags);

#if HAVE_ATTR_TEST
	if (unlikely(test_attr__enabled))
		test_attr__open(attr, pid, cpu, fd, group_fd, flags);
#endif
	return fd;
}

#endif /* _PERF_SYS_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
43599d1f JO	2	#ifndef _PERF_SYS_H
	3	#define _PERF_SYS_H
	4
82baa0eb JO	5	#include <unistd.h>
	6	#include <sys/types.h>
	7	#include <sys/syscall.h>
14f0652b	8	#include <linux/compiler.h>
91854f9a ACM	9
	10	struct perf_event_attr;
	11
	12	extern bool test_attr__enabled;
	13	void test_attr__ready(void);
	14	void test_attr__init(void);
	15	void test_attr__open(struct perf_event_attr *attr, pid_t pid, int cpu,
	16	int fd, int group_fd, unsigned long flags);
	17
6bd7cf66 BT	18	#ifndef HAVE_ATTR_TEST
	19	#define HAVE_ATTR_TEST 1
	20	#endif
43599d1f	21
82baa0eb JO	22	static inline int
	23	sys_perf_event_open(struct perf_event_attr *attr,
	24	pid_t pid, int cpu, int group_fd,
	25	unsigned long flags)
	26	{
	27	int fd;
	28
	29	fd = syscall(__NR_perf_event_open, attr, pid, cpu,
	30	group_fd, flags);
	31
6bd7cf66	32	#if HAVE_ATTR_TEST
82baa0eb JO	33	if (unlikely(test_attr__enabled))
	34	test_attr__open(attr, pid, cpu, fd, group_fd, flags);
	35	#endif
	36	return fd;
	37	}
	38
43599d1f	39	#endif /* _PERF_SYS_H */