From 100922b4c4f422e159bc4ba28a8bc162412f0a4d Mon Sep 17 00:00:00 2001
From: Chip Morningstar <chip@fudco.com>
Date: Wed, 17 Jan 2024 17:30:22 -0800
Subject: [PATCH] feat: cleanup minor issues found during benchmark writeup

-- Change the CPU profile sample interval to be more fine grained
-- Fix a minor bug in legibilizeValue found while updating slogulator

In service of #8647 but not it
---
 packages/SwingSet/src/controller/startNodeSubprocess.js | 2 +-
 packages/SwingSet/src/lib/kdebug.js                     | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/packages/SwingSet/src/controller/startNodeSubprocess.js b/packages/SwingSet/src/controller/startNodeSubprocess.js
index 3581242d412..a392b94944d 100644
--- a/packages/SwingSet/src/controller/startNodeSubprocess.js
+++ b/packages/SwingSet/src/controller/startNodeSubprocess.js
@@ -15,7 +15,7 @@ export function makeStartSubprocessWorkerNode(
     if (profileVats.includes(vatID)) {
       args.push('--cpu-prof');
       args.push('--cpu-prof-interval');
-      args.push('100');
+      args.push('1');
       args.push('--cpu-prof-name');
       // cf. https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap03.html#tag_03_282
       nameDisplayArg = nameDisplayArg
diff --git a/packages/SwingSet/src/lib/kdebug.js b/packages/SwingSet/src/lib/kdebug.js
index c023f8ca620..bc95d4a82f8 100644
--- a/packages/SwingSet/src/lib/kdebug.js
+++ b/packages/SwingSet/src/lib/kdebug.js
@@ -70,7 +70,8 @@ export function legibilizeValue(val, slots, smallcaps) {
           return rest;
         case '$':
         case '&': {
-          const idx = Number(rest.slice(0, rest.indexOf('.')));
+          const end = rest.indexOf('.');
+          const idx = Number(rest.slice(0, end < 0 ? rest.length : end));
           return `@${slots[idx]}`;
         }
         default: