Log most expensive predicates and timings to query log (#1349)

Author: angelapwen

extensions/ql-vscode/CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## [UNRELEASED]
 
+- Prints end-of-query evaluator log summaries to the Query Log. [#1349](https://github.com/github/vscode-codeql/pull/1349)
+
 ## 1.6.6 - 17 May 2022
 
 No user facing changes.

extensions/ql-vscode/src/run-queries.ts

@@ -206,8 +206,8 @@ export class QueryEvaluationInfo {
                 if (err) {
                  throw new Error(`Could not read structured evaluator log end of summary file at ${this.evalLogEndSummaryPath}.`);
                 }
-                void qs.logger.log(' --- Evaluator Log Summary --- ');
-                void qs.logger.log(buffer.toString());
+                void qs.logger.log(' --- Evaluator Log Summary --- ', { additionalLogLocation: this.logPath });
+                void qs.logger.log(buffer.toString(), { additionalLogLocation: this.logPath });
               });
             })