devela::_dep::nc::call

Function perf_event_open

pub unsafe fn perf_event_open(
    attr: &mut perf_event_attr_t,
    pid: i32,
    cpu: i32,
    group_fd: i32,
    flags: usize,
) -> Result<i32, i32> ⓘ
Available on crate feature dep_nc only.
Expand description

Set up performance monitoring.