Merge pull request #618 from marysaka/fix/aya-probe-event-alias-uniq

aya: Make probe event_alias unique
pull/619/head
Mary 1 year ago committed by GitHub
commit d56ed8fd68
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@ -4,6 +4,7 @@ use std::{
io::{self, Write}, io::{self, Write},
path::Path, path::Path,
process, process,
sync::atomic::{AtomicUsize, Ordering},
}; };
use crate::{ use crate::{
@ -15,6 +16,8 @@ use crate::{
sys::{kernel_version, perf_event_open_probe, perf_event_open_trace_point}, sys::{kernel_version, perf_event_open_probe, perf_event_open_trace_point},
}; };
static PROBE_NAME_INDEX: AtomicUsize = AtomicUsize::new(0);
/// Kind of probe program /// Kind of probe program
#[derive(Debug, Copy, Clone)] #[derive(Debug, Copy, Clone)]
pub enum ProbeKind { pub enum ProbeKind {
@ -158,11 +161,12 @@ fn create_probe_event(
KRetProbe | URetProbe => 'r', KRetProbe | URetProbe => 'r',
}; };
let event_alias = format!( let event_alias = format!(
"aya_{}_{}_{}_{:#x}", "aya_{}_{}_{}_{:#x}_{}",
process::id(), process::id(),
probe_type_prefix, probe_type_prefix,
fn_name, fn_name,
offset offset,
PROBE_NAME_INDEX.fetch_add(1, Ordering::SeqCst)
); );
let offset_suffix = match kind { let offset_suffix = match kind {
KProbe => format!("+{offset}"), KProbe => format!("+{offset}"),

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