diff --git a/src/SPC/builder/linux/LinuxBuilder.php b/src/SPC/builder/linux/LinuxBuilder.php
index d15816fa..74702b1f 100644
--- a/src/SPC/builder/linux/LinuxBuilder.php
+++ b/src/SPC/builder/linux/LinuxBuilder.php
@@ -23,6 +23,8 @@ class LinuxBuilder extends UnixBuilderBase
     /** @var bool Micro patch phar flag */
     private bool $phar_patched = false;
 
+    private ?PgoManager $pgo = null;
+
     public function __construct(array $options = [])
     {
         $this->options = $options;
@@ -49,6 +51,8 @@ class LinuxBuilder extends UnixBuilderBase
      */
     public function buildPHP(int $build_target = BUILD_TARGET_NONE): void
     {
+        $this->pgo = PgoManager::fromBuilder($this, $build_target);
+
         $cflags = $this->arch_c_flags;
         f_putenv('CFLAGS=' . $cflags);
 
@@ -134,7 +138,7 @@ class LinuxBuilder extends UnixBuilderBase
 
         $this->cleanMake();
 
-        $pgo = PgoManager::active();
+        $pgo = $this->pgo;
         $needsClean = false;
         $sapiBuilds = [
             ['cli', $enableCli, true, fn () => $this->buildCli()],
diff --git a/src/SPC/command/BuildPHPCommand.php b/src/SPC/command/BuildPHPCommand.php
index 9c10b102..8ae537d0 100644
--- a/src/SPC/command/BuildPHPCommand.php
+++ b/src/SPC/command/BuildPHPCommand.php
@@ -12,7 +12,6 @@ use SPC\store\SourcePatcher;
 use SPC\util\DependencyUtil;
 use SPC\util\GlobalEnvManager;
 use SPC\util\LicenseDumper;
-use SPC\util\PgoManager;
 use SPC\util\SPCTarget;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Input\InputArgument;
@@ -215,20 +214,6 @@ class BuildPHPCommand extends BuildCommand
         // clean old modules that may conflict with the new php build
         FileSystem::removeDir(BUILD_MODULES_PATH);
 
-        $pgi = (bool) $this->getOption('pgi');
-        $csPgi = (bool) $this->getOption('cs-pgi');
-        $pgo = (bool) $this->getOption('pgo');
-        if (((int) $pgi + (int) $csPgi + (int) $pgo) > 1) {
-            $this->output->writeln('<error>--pgi, --cs-pgi, and --pgo are mutually exclusive</error>');
-            return static::FAILURE;
-        }
-        if ($pgi) {
-            (new PgoManager())->setupInstrument($rule);
-        } elseif ($csPgi) {
-            (new PgoManager())->setupCsInstrument($rule);
-        } elseif ($pgo) {
-            (new PgoManager())->setupUse($rule);
-        }
         $builder->buildPHP($rule);
         $builder->testPHP($rule);
 
diff --git a/src/SPC/util/PgoManager.php b/src/SPC/util/PgoManager.php
index efb75c0d..3401798c 100644
--- a/src/SPC/util/PgoManager.php
+++ b/src/SPC/util/PgoManager.php
@@ -43,64 +43,29 @@ class PgoManager
 
     private string $mode;
 
-    private static ?self $active = null;
-
-    public function __construct()
+    private function __construct()
     {
         $this->profileRoot = BUILD_ROOT_PATH . '/pgo-data';
     }
 
-    public static function active(): ?self
+    /** Build a PgoManager for the active --pgi/--cs-pgi/--pgo option, or null if none set. */
+    public static function fromBuilder(BuilderBase $builder, int $rule): ?self
     {
-        return self::$active;
-    }
-
-    /** Setup --pgi: build with -fprofile-generate=<sapi-dir>. */
-    public function setupInstrument(int $rule): void
-    {
-        $this->validateRule($rule);
-        FileSystem::removeDir($this->profileRoot);
-        f_mkdir($this->profileRoot, recursive: true);
-        foreach ($this->trainableIn($rule) as $sapi) {
-            f_mkdir($this->rawDir($sapi), recursive: true);
+        $modes = array_filter(['pgi', 'cs-pgi', 'pgo'], fn ($m) => (bool) $builder->getOption($m));
+        if (count($modes) > 1) {
+            throw new WrongUsageException('--pgi, --cs-pgi, and --pgo are mutually exclusive');
         }
-        $this->mode = self::MODE_INSTRUMENT;
-        self::$active = $this;
-        $this->applyShutdownPatches();
-        $this->applyForSapi($this->trainableIn($rule)[0]);
-        logger()->info('pgo --pgi: instrumented build, profraw will land under ' . $this->profileRoot . '/<sapi>/');
-    }
-
-    /** Setup --cs-pgi: build with -fprofile-use=<sapi.profdata> -fcs-profile-generate=<cs-dir>. Requires existing .profdata. */
-    public function setupCsInstrument(int $rule): void
-    {
-        $this->validateRule($rule);
-        foreach ($this->trainableIn($rule) as $sapi) {
-            if (!is_file($this->profDataFile($sapi))) {
-                throw new WrongUsageException("--cs-pgi: missing {$sapi}.profdata; run --pgi + --pgo first");
-            }
-            f_mkdir($this->csRawDir($sapi), recursive: true);
+        $mode = array_values($modes)[0] ?? null;
+        if ($mode === null) {
+            return null;
         }
-        $this->mode = self::MODE_CS_INSTRUMENT;
-        self::$active = $this;
-        $this->applyShutdownPatches();
-        $this->applyForSapi($this->trainableIn($rule)[0]);
-        logger()->info('pgo --cs-pgi: cs-instrumented build, cs-profraw under ' . $this->profileRoot . '/cs-<sapi>/');
-    }
-
-    /** Setup --pgo: merge collected .profraw, then build with -fprofile-use=<sapi.profdata>. */
-    public function setupUse(int $rule): void
-    {
-        $this->validateRule($rule);
-        if (trim((string) shell_exec('command -v llvm-profdata 2>/dev/null')) === '') {
-            throw new WrongUsageException('--pgo: llvm-profdata not on PATH');
-        }
-        foreach ($this->trainableIn($rule) as $sapi) {
-            $this->mergeSapi($sapi);
-        }
-        $this->mode = self::MODE_USE;
-        self::$active = $this;
-        $this->applyForSapi($this->trainableIn($rule)[0]);
+        $instance = new self();
+        match ($mode) {
+            'pgi' => $instance->setupInstrument($rule),
+            'cs-pgi' => $instance->setupCsInstrument($rule),
+            'pgo' => $instance->setupUse($rule),
+        };
+        return $instance;
     }
 
     /** Patches php-src/libtool to passthrough -fcs-profile-* flags (otherwise dropped during shared lib link). */
@@ -155,6 +120,51 @@ class PgoManager
         logger()->info("pgo {$this->mode} ({$sapi})");
     }
 
+    /** Setup --pgi: build with -fprofile-generate=<sapi-dir>. */
+    private function setupInstrument(int $rule): void
+    {
+        $this->validateRule($rule);
+        FileSystem::removeDir($this->profileRoot);
+        f_mkdir($this->profileRoot, recursive: true);
+        foreach ($this->trainableIn($rule) as $sapi) {
+            f_mkdir($this->rawDir($sapi), recursive: true);
+        }
+        $this->mode = self::MODE_INSTRUMENT;
+        $this->applyShutdownPatches();
+        $this->applyForSapi($this->trainableIn($rule)[0]);
+        logger()->info('pgo --pgi: instrumented build, profraw will land under ' . $this->profileRoot . '/<sapi>/');
+    }
+
+    /** Setup --cs-pgi: build with -fprofile-use=<sapi.profdata> -fcs-profile-generate=<cs-dir>. Requires existing .profdata. */
+    private function setupCsInstrument(int $rule): void
+    {
+        $this->validateRule($rule);
+        foreach ($this->trainableIn($rule) as $sapi) {
+            if (!is_file($this->profDataFile($sapi))) {
+                throw new WrongUsageException("--cs-pgi: missing {$sapi}.profdata; run --pgi + --pgo first");
+            }
+            f_mkdir($this->csRawDir($sapi), recursive: true);
+        }
+        $this->mode = self::MODE_CS_INSTRUMENT;
+        $this->applyShutdownPatches();
+        $this->applyForSapi($this->trainableIn($rule)[0]);
+        logger()->info('pgo --cs-pgi: cs-instrumented build, cs-profraw under ' . $this->profileRoot . '/cs-<sapi>/');
+    }
+
+    /** Setup --pgo: merge collected .profraw, then build with -fprofile-use=<sapi.profdata>. */
+    private function setupUse(int $rule): void
+    {
+        $this->validateRule($rule);
+        if (trim((string) shell_exec('command -v llvm-profdata 2>/dev/null')) === '') {
+            throw new WrongUsageException('--pgo: llvm-profdata not on PATH');
+        }
+        foreach ($this->trainableIn($rule) as $sapi) {
+            $this->mergeSapi($sapi);
+        }
+        $this->mode = self::MODE_USE;
+        $this->applyForSapi($this->trainableIn($rule)[0]);
+    }
+
     /**
      * Static-embed mode links libphp.a into frankenphp; both end up in one
      * binary so must share one profdata. Shared-embed mode keeps libphp.so