Enum PerfEventScope 

pub enum PerfEventScope<'a> {
    CallingProcessAnyCpu,
    CallingProcessOnCpu(u32),
    ProcessAnyCpu(Pid),
    ProcessOnCpu {
        process: Pid,
        cpu: u32,
    },
    AllProcessesOnCpu(u32),
    Cgroup {
        cgroup: BorrowedFd<'a>,
        cpu: u32,
    },
}

Portée d’un perf_event_open : pid/cpu sans sentinelle -1.

Variants

CallingProcessAnyCpu

Processus courant, n’importe quel CPU (pid=0, cpu=-1).

CallingProcessOnCpu(u32)

Processus courant sur un CPU précis (pid=0, cpu=N).

ProcessAnyCpu(Pid)

Un processus précis, n’importe quel CPU (pid=P, cpu=-1).

ProcessOnCpu

Un processus précis sur un CPU précis.

Fields

process: Pid

PID cible.

cpu: u32

CPU cible.

AllProcessesOnCpu(u32)

Tous les processus sur un CPU (pid=-1, cpu=N).

Cgroup

Surveillance par cgroup (flags |= PID_CGROUP, pid = cgroup_fd).

Fields

cgroup: BorrowedFd<'a>

FD du cgroup à surveiller.

cpu: u32

CPU cible.

Trait Implementations

impl<'a> Clone for PerfEventScope<'a>

fn clone(&self) -> PerfEventScope<'a>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Copy for PerfEventScope<'a>

impl<'a> Debug for PerfEventScope<'a>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.