Function perf_event_open [src]

Prototype

pub fn perf_event_open( attr: *perf_event_attr, pid: pid_t, cpu: i32, group_fd: fd_t, flags: usize, ) usize

Parameters

attr: *perf_event_attrpid: pid_tcpu: i32group_fd: fd_tflags: usize

Source

  pub fn perf_event_open(
    attr: *perf_event_attr,
    pid: pid_t,
    cpu: i32,
    group_fd: fd_t,
    flags: usize,
) usize {
    return syscall5(
        .perf_event_open,
        @intFromPtr(attr),
        @as(usize, @bitCast(@as(isize, pid))),
        @as(usize, @bitCast(@as(isize, cpu))),
        @as(usize, @bitCast(@as(isize, group_fd))),
        flags,
    );
}  