add GC.stats

crystal-lang · Oct 9, 2016 · 0c93b1b · 0c93b1b
1 parent 007c791
commit 0c93b1b
Showing 2 changed files with 24 additions and 2 deletions.
diff --git a/spec/std/gc_spec.cr b/spec/std/gc_spec.cr
@@ -0,0 +1,7 @@
+require "spec"
+
+describe "GC" do
+  it "stats compiled" do
+    GC.stats.collections.should be >= 0
+  end
+end
diff --git a/src/gc/boehm.cr b/src/gc/boehm.cr
@@ -122,9 +122,24 @@ module GC
 
   record Stats,
     collections : LibC::ULong,
-    bytes_found : LibC::Long
+    bytes_found : LibC::Long,
+    heap_size : LibC::ULong,
+    free_bytes : LibC::ULong,
+    unmapped_bytes : LibC::ULong,
+    bytes_since_gc : LibC::ULong,
+    total_bytes : LibC::ULong
 
   def self.stats
-    Stats.new LibGC.gc_no - 1, LibGC.bytes_found
+    LibGC.get_heap_usage_safe(out heap_size, out free_bytes, out unmapped_bytes, out bytes_since_gc, out total_bytes)
+    collections = LibGC.gc_no - 1
+    bytes_found = LibGC.bytes_found
+
+    Stats.new collections: collections,
+      bytes_found: bytes_found,
+      heap_size: heap_size,
+      free_bytes: free_bytes,
+      unmapped_bytes: unmapped_bytes,
+      bytes_since_gc: bytes_since_gc,
+      total_bytes: total_bytes
   end
 end