mirror of
https://github.com/xdp-project/bpf-examples.git
synced 2024-05-06 15:54:53 +00:00
78 lines
1.4 KiB
C
78 lines
1.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copied from $(LINUX)/tools/perf/perf-sys.h (kernel 4.18) */
|
|
#ifndef _PERF_SYS_H
|
|
#define _PERF_SYS_H
|
|
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/syscall.h>
|
|
#include <linux/types.h>
|
|
#include <linux/perf_event.h>
|
|
/*
|
|
* remove the following headers to allow for userspace program compilation
|
|
* #include <linux/compiler.h>
|
|
* #include <asm/barrier.h>
|
|
*/
|
|
#ifdef __powerpc__
|
|
#define CPUINFO_PROC {"cpu"}
|
|
#endif
|
|
|
|
#ifdef __s390__
|
|
#define CPUINFO_PROC {"vendor_id"}
|
|
#endif
|
|
|
|
#ifdef __sh__
|
|
#define CPUINFO_PROC {"cpu type"}
|
|
#endif
|
|
|
|
#ifdef __hppa__
|
|
#define CPUINFO_PROC {"cpu"}
|
|
#endif
|
|
|
|
#ifdef __sparc__
|
|
#define CPUINFO_PROC {"cpu"}
|
|
#endif
|
|
|
|
#ifdef __alpha__
|
|
#define CPUINFO_PROC {"cpu model"}
|
|
#endif
|
|
|
|
#ifdef __arm__
|
|
#define CPUINFO_PROC {"model name", "Processor"}
|
|
#endif
|
|
|
|
#ifdef __mips__
|
|
#define CPUINFO_PROC {"cpu model"}
|
|
#endif
|
|
|
|
#ifdef __arc__
|
|
#define CPUINFO_PROC {"Processor"}
|
|
#endif
|
|
|
|
#ifdef __xtensa__
|
|
#define CPUINFO_PROC {"core ID"}
|
|
#endif
|
|
|
|
#ifndef CPUINFO_PROC
|
|
#define CPUINFO_PROC { "model name", }
|
|
#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);
|
|
|
|
#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 */
|