symfony
diff --git a/‎src/Symfony/Component/Console/Helper/ProgressBar.php
Lines changed: 25 additions & 9 deletions b/‎src/Symfony/Component/Console/Helper/ProgressBar.php
Lines changed: 25 additions & 9 deletions
@@ -31,8 +31,10 @@ final class ProgressBar
     private $progressChar = '>';
     private $format;
     private $internalFormat;
-    private $redrawFreq;
+    private $redrawFreq = 1;
     private $lastWriteTime;
+    private $minSecondsBetweenRedraws = 0;
+    private $maxSecondsBetweenRedraws = 1;
     private $output;
     private $step = 0;
     private $max;
@@ -244,6 +246,16 @@ public function setRedrawFrequency(int $freq)
         $this->redrawFreq = max($freq, 1);
     }
 
+    public function preventRedrawFasterThan(float $intervalInSeconds): void
+    {
+        $this->minSecondsBetweenRedraws = $intervalInSeconds;
+    }
+
+    public function forceRedrawSlowerThan(float $intervalInSeconds): void
+    {
+        $this->maxSecondsBetweenRedraws = $intervalInSeconds;
+    }
+
     /**
      * Returns an iterator that will automatically update the progress bar when iterated.
      *
@@ -306,22 +318,26 @@ public function setProgress(int $step)
             $step = 0;
         }
 
-        $prevStep = $this->step;
+        $prevPeriod = (int) ($this->step / $this->redrawFreq);
+        $currPeriod = (int) ($step / $this->redrawFreq);
         $this->step = $step;
         $this->percent = $this->max ? (float) $this->step / $this->max : 0;
+        $timeInterval = microtime(true) - $this->lastWriteTime;
 
-        if (null === $this->redrawFreq) {
-            if (microtime(true) - $this->lastWriteTime >= .04 || $this->max === $step) {
-                $this->display();
-            }
+        // Draw regardless of other limits
+        if ($this->max === $step) {
+            $this->display();
 
             return;
         }
 
-        $prevPeriod = (int) ($prevStep / $this->redrawFreq);
-        $currPeriod = (int) ($step / $this->redrawFreq);
+        // Throttling
+        if ($timeInterval < $this->minSecondsBetweenRedraws) {
+            return;
+        }
 
-        if ($prevPeriod !== $currPeriod || $this->max === $step) {
+        // Draw each step period, but not too late
+        if ($prevPeriod !== $currPeriod || $timeInterval >= $this->maxSecondsBetweenRedraws) {
             $this->display();
         }
     }