test(profiling): scale IO operations and set 5% error margin in correctness tests

Author: realFlowControl

profiling/tests/correctness/io_upscaling.json

@@ -1,12 +1,12 @@
 {
   "scale_by_duration": false,
   "test_name": "php_io_upscaling",
-  "note": "PHP currently splits each 10 KiB fread into 8 KiB and 2 KiB reads; this test intentionally does not override that default. Two sampled 10 KiB writes upscale to 215211 bytes, while two sampled 8 KiB reads upscale to 213101 bytes.",
+  "note": "40960 10 KiB operations produce 419430400 bytes (~4096 samples with 100 KiB interval).",
   "stacks": [
     {
       "profile-type": "file-io-write-size",
       "error-margin": 5,
-      "value-matching-sum": 215211,
+      "value-matching-sum": 419430400,
       "stack-content": [
         {
           "regular_expression": "<?php;main;write_operations;standard\\|fwrite$"
@@ -16,7 +16,7 @@
     {
       "profile-type": "file-io-read-size",
       "error-margin": 5,
-      "value-matching-sum": 213101,
+      "value-matching-sum": 419430400,
       "stack-content": [
         {
           "regular_expression": "<?php;main;read_operations;standard\\|fread$"

profiling/tests/correctness/io_upscaling.php

@@ -2,7 +2,7 @@
 // Test file I/O upscaling with operations below the 100 KiB sampling interval.
 
 const OPERATION_SIZE = 10 * 1024;
-const OPERATION_COUNT = 25;
+const OPERATION_COUNT = 40960;
 
 function write_operations($handle, $data) {
     for ($i = 0; $i < OPERATION_COUNT; $i++) {

profiling/tests/correctness/socket_io.json

@@ -1,12 +1,12 @@
 {
   "scale_by_duration": false,
   "test_name": "php_socket_io",
-  "note": "4096 small and 8192 large 8 KiB operations produce 100663296 bytes (96 MiB).",
+  "note": "16384 small and 32768 large 8 KiB operations produce 402653184 bytes (384 MiB).",
   "stacks": [
     {
       "profile-type": "socket-write-size",
-      "error-margin": 1,
-      "value-matching-sum": 100663296,
+      "error-margin": 5,
+      "value-matching-sum": 402653184,
       "stack-content": [
         {
           "regular_expression": "<?php;main;small_socket_writes;standard\\|fwrite$",
@@ -22,8 +22,8 @@
     },
     {
       "profile-type": "socket-read-size",
-      "error-margin": 1,
-      "value-matching-sum": 100663296,
+      "error-margin": 5,
+      "value-matching-sum": 402653184,
       "stack-content": [
         {
           "regular_expression": "<?php;main;small_socket_writes;read_from_socket;standard\\|fread$",

profiling/tests/correctness/socket_io.php

@@ -1,7 +1,7 @@
 <?php
 // Test socket I/O profiling over a loopback connection on an ephemeral port.
 
-const OPERATION_COUNT = 4096;
+const OPERATION_COUNT = 16384;
 const OPERATION_SIZE = 8 * 1024;
 
 function read_from_socket($socket, $length) {