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perf_event_open

linux.perf_event_open

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

File

lib/std/os/linux.zig:3117

Code

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,
    );
}