xpref => xperf

Author: wesleywiser

collector/src/execute.rs

@@ -576,7 +576,7 @@ impl<'a> MeasureProcessor<'a> {
             let has_perf = Command::new("perf").output().is_ok();
             assert!(has_perf);
         } else {
-            let has_xperf = Command::new(env::var("XPERF").unwrap_or("xpref.exe".to_string())).output().is_ok();
+            let has_xperf = Command::new(env::var("XPERF").unwrap_or("xperf.exe".to_string())).output().is_ok();
             assert!(has_xperf);
 
             let has_tracelog = Command::new(env::var("TRACELOG").unwrap_or("tracelog.exe".to_string())).output().is_ok();