perf(lsp): collect counts and durations of all requests (#21540)

In addition to collecting details per-request metrics of the last 3000
request this commit adds aggregate metrics for all requests.

1 files changed, 18 insertions, 2 deletions

diff --git a/cli/lsp/language_server.rs b/cli/lsp/language_server.rs
index 9b531cc40..2d3864e0a 100644
--- a/cli/lsp/language_server.rs
+++ b/cli/lsp/language_server.rs
@@ -3807,14 +3807,30 @@ impl Inner {
           .join("\n    - ")
       )
       .unwrap();
+
       contents
-        .push_str("\n## Performance\n\n|Name|Duration|Count|\n|---|---|---|\n");
+        .push_str("\n## Performance (last 3 000 entries)\n\n|Name|Count|Duration|\n|---|---|---|\n");
       let mut averages = self.performance.averages_as_f64();
       averages.sort_by(|a, b| a.0.cmp(&b.0));
       for (name, count, average_duration) in averages {
-        writeln!(contents, "|{}|{}ms|{}|", name, average_duration, count)
+        writeln!(contents, "|{}|{}|{}ms|", name, count, average_duration)
           .unwrap();
       }
+
+      contents.push_str(
+        "\n## Performance (total)\n\n|Name|Count|Duration|\n|---|---|---|\n",
+      );
+      let mut measurements_by_type = self.performance.measurements_by_type();
+      measurements_by_type.sort_by(|a, b| a.0.cmp(&b.0));
+      for (name, total_count, total_duration) in measurements_by_type {
+        writeln!(
+          contents,
+          "|{}|{}|{:.3}ms|",
+          name, total_count, total_duration
+        )
+        .unwrap();
+      }
+
       Some(contents)
     } else {
       let asset_or_doc = self.get_maybe_asset_or_document(&specifier);