Avoid duplicate runs with self-profile off

Mark-Simulacrum · Mark-Simulacrum · commit 5a9ca22a8637 · 2020-06-29T10:00:06.000-04:00
diff --git a/collector/src/bin/rustc-perf-collector/execute.rs b/collector/src/bin/rustc-perf-collector/execute.rs
@@ -495,7 +495,9 @@ impl<'a> Processor for MeasureProcessor<'a> {
 
     fn finished_first_collection(&mut self) -> bool {
         self.is_first_collection = false;
-        true
+        // The second collection is different from the first only if
+        // self-profile is enabled, otherwise they're the same.
+        self.self_profile
     }
 
     fn process_output(

Original file line number	Diff line number	Diff line change
`@@ -495,7 +495,9 @@ impl<'a> Processor for MeasureProcessor<'a> {`
`495`	`495`
`496`	`496`	`fn finished_first_collection(&mut self) -> bool {`
`497`	`497`	`self.is_first_collection = false;`
`498`		`- true`
	`498`	`+ // The second collection is different from the first only if`
	`499`	`+ // self-profile is enabled, otherwise they're the same.`
	`500`	`+ self.self_profile`
`499`	`501`	`}`
`500`	`502`
`501`	`503`	`fn process_output(`