| /* 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); |
| |
| #define HAVE_ATTR_TEST |
| |
| 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); |
| |
| #ifdef 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 */ |