benchmark: fix next-tick-depth

A recent change made these benchmarks fail by always finishing
with 0 iterations. Restore a counter variable.

PR-URL: https://github.com/nodejs/node/pull/20461
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Rich Trott <rtrott@gmail.com>

2 files changed, 19 insertions, 18 deletions

diff --git a/benchmark/process/next-tick-depth-args.js b/benchmark/process/next-tick-depth-args.js
index 52d349c776..a7670d99ef 100644
--- a/benchmark/process/next-tick-depth-args.js
+++ b/benchmark/process/next-tick-depth-args.js
@@ -8,13 +8,14 @@ const bench = common.createBenchmark(main, {
 process.maxTickDepth = Infinity;
 
 function main({ n }) {
+  let counter = n;
   function cb4(arg1, arg2, arg3, arg4) {
-    if (--n) {
-      if (n % 4 === 0)
+    if (--counter) {
+      if (counter % 4 === 0)
         process.nextTick(cb4, 3.14, 1024, true, false);
-      else if (n % 3 === 0)
+      else if (counter % 3 === 0)
         process.nextTick(cb3, 512, true, null);
-      else if (n % 2 === 0)
+      else if (counter % 2 === 0)
         process.nextTick(cb2, false, 5.1);
       else
         process.nextTick(cb1, 0);
@@ -22,12 +23,12 @@ function main({ n }) {
       bench.end(n);
   }
   function cb3(arg1, arg2, arg3) {
-    if (--n) {
-      if (n % 4 === 0)
+    if (--counter) {
+      if (counter % 4 === 0)
         process.nextTick(cb4, 3.14, 1024, true, false);
-      else if (n % 3 === 0)
+      else if (counter % 3 === 0)
         process.nextTick(cb3, 512, true, null);
-      else if (n % 2 === 0)
+      else if (counter % 2 === 0)
         process.nextTick(cb2, false, 5.1);
       else
         process.nextTick(cb1, 0);
@@ -35,12 +36,12 @@ function main({ n }) {
       bench.end(n);
   }
   function cb2(arg1, arg2) {
-    if (--n) {
-      if (n % 4 === 0)
+    if (--counter) {
+      if (counter % 4 === 0)
         process.nextTick(cb4, 3.14, 1024, true, false);
-      else if (n % 3 === 0)
+      else if (counter % 3 === 0)
         process.nextTick(cb3, 512, true, null);
-      else if (n % 2 === 0)
+      else if (counter % 2 === 0)
         process.nextTick(cb2, false, 5.1);
       else
         process.nextTick(cb1, 0);
@@ -48,12 +49,12 @@ function main({ n }) {
       bench.end(n);
   }
   function cb1(arg1) {
-    if (--n) {
-      if (n % 4 === 0)
+    if (--counter) {
+      if (counter % 4 === 0)
         process.nextTick(cb4, 3.14, 1024, true, false);
-      else if (n % 3 === 0)
+      else if (counter % 3 === 0)
         process.nextTick(cb3, 512, true, null);
-      else if (n % 2 === 0)
+      else if (counter % 2 === 0)
         process.nextTick(cb2, false, 5.1);
       else
         process.nextTick(cb1, 0);
diff --git a/benchmark/process/next-tick-depth.js b/benchmark/process/next-tick-depth.js
index 6669936e39..1ad32c8061 100644
--- a/benchmark/process/next-tick-depth.js
+++ b/benchmark/process/next-tick-depth.js
@@ -7,11 +7,11 @@ const bench = common.createBenchmark(main, {
 process.maxTickDepth = Infinity;
 
 function main({ n }) {
-
+  let counter = n;
   bench.start();
   process.nextTick(onNextTick);
   function onNextTick() {
-    if (--n)
+    if (--counter)
       process.nextTick(onNextTick);
     else
       bench.end(n);