Adding command line parameter to specify the number of HHVM Server Th…

base/PerfOptions.php

@@ -107,6 +107,8 @@ final class PerfOptions {
   public ?string $scriptBeforeWarmup;
   public ?string $scriptAfterWarmup;
   public ?string $scriptAfterBenchmark;
+  public ?string $serverThreads;
+  public ?string $clientThreads;
 
   public bool $notBenchmarking = false;
 
@@ -166,6 +168,8 @@ public function __construct(Vector<string> $argv) {
       'daemon-files', // daemon output goes to files in the temp directory
       'temp-dir:', // temp directory to use; if absent one in /tmp is made
       'src-dir:', // location for source to copy into tmp dir instead of ZIP
+      'server-threads:',
+      'client-threads:',
     };
     $targets = $this->getTargetDefinitions()->keys();
     $def->addAll($targets);
@@ -291,7 +295,17 @@ public function __construct(Vector<string> $argv) {
     $this->daemonOutputToFile = $this->getBool('daemon-files');
 
     $argTempDir = $this->getNullableString('temp-dir');
+
+    if(array_key_exists('server-threads', $o)){
+      $this->serverThreads = $this->args['server-threads'];
+      $this->hhvmExtraArguments[count($this->hhvmExtraArguments)] = '-dhhvm.server.thread_count='.$this->serverThreads;
+    }
 
+    if(array_key_exists('client-threads', $o)){
+       $this->clientThreads = $this->args['client-threads'];
+       PerfSettings::setBenchmarkConcurrency((int)$this->clientThreads);
+    }
+
     if ($argTempDir === null) {
       $this->tempDir = tempnam('/tmp', 'hhvm-nginx');
       // Currently a file - change to a dir
@@ -302,7 +316,6 @@ public function __construct(Vector<string> $argv) {
     }
 
     $this->srcDir = $this->getNullableString('src-dir');
-
   }
 
   public function validate() {

base/PerfSettings.php

@@ -12,6 +12,7 @@
 final class PerfSettings {
 
   ///// Benchmark Settings /////
+  private static int $benchmarkConcurrency = 200;
 
   // Per concurrent thread - so, total number of requests made during warmup
   // is WarmupRequests * WarmupConcurrency
@@ -28,8 +29,12 @@ public static function BenchmarkTime(): string {
     return '1M'; // 1 minute
   }
 
+  public static function setBenchmarkConcurrency(int $toSet): void {
+     PerfSettings::$benchmarkConcurrency = $toSet;
+  }
+
   public static function BenchmarkConcurrency(): int {
-    return 200;
+    return PerfSettings::$benchmarkConcurrency;
   }
 
   ///// Server Settings /////