Implement benchmarking

1 files changed, 10 insertions, 2 deletions

diff --git a/src/energy/trackers/perf.rs b/src/energy/trackers/perf.rs
index 7c26bdb..17bc693 100644
--- a/src/energy/trackers/perf.rs
+++ b/src/energy/trackers/perf.rs
@@ -24,14 +24,22 @@ static EVENT_TYPES: &[(f32, Event)] = &[
 
 impl Estimator for PerfEstimator {
     fn start_trace(&mut self, pid: u64) {
-        let Ok(mut group) = Group::new() else {
+        let Ok(mut group) = Group::new_with_pid_and_cpu(-1, 0) else {
             eprintln!("Failed to create performance counter group for PID {}", pid);
             return;
         };
 
         let counters: Result<Vec<_>, _> = EVENT_TYPES
             .iter()
-            .map(|(_, kind)| Builder::new().group(&mut group).kind(kind.clone()).build())
+            .map(|(_, kind)| {
+                Builder::new()
+                    .group(&mut group)
+                    .kind(kind.clone())
+                    // .observe_pid(pid as i32)
+                    .observe_pid(-1)
+                    .one_cpu(0)
+                    .build()
+            })
             .collect();
 
         let counters = match counters {