wip: more logs and max freq

Author: not-matthias

src/run/runner/wall_time/executor.rs

@@ -77,6 +77,16 @@ impl Executor for WallTimeExecutor {
             status.map_err(|e| anyhow!("failed to execute the benchmark process. {}", e))?;
         debug!("cmd exit status: {:?}", status);
 
+        // Debug log of the perf folder
+        debug!("Perf folder: {:?}", run_data.profile_folder);
+
+        // walk all entries
+        let entries = std::fs::read_dir(&run_data.profile_folder)?;
+        for entry in entries {
+            let entry = entry?;
+            debug!("Entry: {:?}", entry);
+        }
+
         if !status.success() {
             bail!("failed to execute the benchmark process: {}", status);
         }

src/run/runner/wall_time/perf/mod.rs

@@ -99,7 +99,7 @@ impl PerfRunner {
         cmd.args([
             "-c",
             &format!(
-                "perf record --user-callchains --freq=999 --switch-output=signal --control=fifo:{},{} --delay=-1 -g --call-graph={cg_mode} --output={} -- {bench_cmd}",
+                "perf record --user-callchains --freq=max --switch-output=signal --control=fifo:{},{} --delay=-1 -g --call-graph={cg_mode} --output={} -- {bench_cmd}",
                 perf_fifo.ctl_fifo_path.to_string_lossy(),
                 perf_fifo.ack_fifo_path.to_string_lossy(),
                 perf_file.path().to_string_lossy()