pub fn perf_event_open( attr: *perf_event_attr, pid: pid_t, cpu: i32, group_fd: fd_t, flags: usize, ) usize
attr: *perf_event_attr
pid: pid_t
cpu: i32
group_fd: fd_t
flags: usize
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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(u32, @bitCast(pid)), @as(u32, @bitCast(cpu)), @as(u32, @bitCast(group_fd)), flags, ); }