Signed-off-by: Alejandro Colomar <alx.manpages@xxxxxxxxx> --- man2/perf_event_open.2 | 21 +++++++++++---------- 1 file changed, 11 insertions(+), 10 deletions(-) diff --git a/man2/perf_event_open.2 b/man2/perf_event_open.2 index 1d5d1aada..3bfc7c103 100644 --- a/man2/perf_event_open.2 +++ b/man2/perf_event_open.2 @@ -29,16 +29,21 @@ perf_event_open \- set up performance monitoring .SH SYNOPSIS .nf -.B #include <linux/perf_event.h> -.B #include <linux/hw_breakpoint.h> +.BR "#include <linux/perf_event.h>" " /* Definition of " PERF_* " constants */" +.BR "#include <linux/hw_breakpoint.h>" " /* Definition of " HW_* " constants */" +.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" +.B #include <unistd.h> .PP -.BI "int perf_event_open(struct perf_event_attr *" attr , -.BI " pid_t " pid ", int " cpu ", int " group_fd , -.BI " unsigned long " flags ); +.BI "int syscall(SYS_perf_event_open, struct perf_event_attr *" attr , +.BI " pid_t " pid ", int " cpu ", int " group_fd \ +", unsigned long " flags ); .fi .PP .IR Note : -There is no glibc wrapper for this system call; see NOTES. +glibc provides no wrapper for +.BR perf_event_open (), +necessitating the use of +.BR syscall (2). .SH DESCRIPTION Given a list of parameters, .BR perf_event_open () @@ -3641,10 +3646,6 @@ This system call Linux-specific and should not be used in programs intended to be portable. .SH NOTES -Glibc does not provide a wrapper for this system call; call it using -.BR syscall (2). -See the example below. -.PP The official way of knowing if .BR perf_event_open () support is enabled is checking -- 2.31.1
