https://git.ruby-lang.org/ruby.git/commit/?id=ae275f67ce

From ae275f67cea586933d9983c066c2771f83c76943 Mon Sep 17 00:00:00 2001
From: Nobuyoshi Nakada <nobu@r...>
Date: Thu, 5 Aug 2021 14:16:09 +0900
Subject: Show WorkingSetSize as RSS on Windows

---
 ext/-test-/memory_status/memory_status.c | 19 +++++++++++++++----
 tool/lib/memory_status.rb                |  5 +++--
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/ext/-test-/memory_status/memory_status.c b/ext/-test-/memory_status/memory_status.c
index 5775fa5..afacbee 100644
--- a/ext/-test-/memory_status/memory_status.c
+++ b/ext/-test-/memory_status/memory_status.c
@@ -10,11 +10,15 @@ https://github.com/ruby/ruby/blob/trunk/ext/-test-/memory_status/memory_status.c#L10
 
 static VALUE cMemoryStatus;
 
+#undef HAVE_RSS
+#undef HAVE_PEAK
+
 static VALUE
 read_status(VALUE self)
 {
     VALUE size = INT2FIX(0);
 #if defined __APPLE__
+# define HAVE_RSS 1
     VALUE rss;
     kern_return_t error;
 # if defined MACH_TASK_BASIC_INFO
@@ -40,14 +44,20 @@ read_status(VALUE self) https://github.com/ruby/ruby/blob/trunk/ext/-test-/memory_status/memory_status.c#L44
     rss = ULL2NUM(taskinfo.resident_size);
     rb_struct_aset(self, INT2FIX(1), rss);
 #elif defined _WIN32
-    VALUE peak;
+# define HAVE_RSS 1
+# define HAVE_PEAK 1
+    VALUE rss, peak;
     PROCESS_MEMORY_COUNTERS c;
     c.cb = sizeof(c);
     if (!GetProcessMemoryInfo(GetCurrentProcess(), &c, c.cb))
 	return Qnil;
     size = SIZET2NUM(c.PagefileUsage);
+    rss = SIZET2NUM(c.WorkingSetSize);
     peak = SIZET2NUM(c.PeakWorkingSetSize);
-    rb_struct_aset(self, INT2FIX(1), peak);
+    rb_struct_aset(self, INT2FIX(2), peak);
+#endif
+#ifdef HAVE_RSS
+    rb_struct_aset(self, INT2FIX(1), rss);
 #endif
     rb_struct_aset(self, INT2FIX(0), size);
     return self;
@@ -59,9 +69,10 @@ Init_memory_status(void) https://github.com/ruby/ruby/blob/trunk/ext/-test-/memory_status/memory_status.c#L69
     VALUE mMemory = rb_define_module("Memory");
     cMemoryStatus =
 	rb_struct_define_under(mMemory, "Status", "size",
-#if defined __APPLE__
+#ifdef HAVE_RSS
 			       "rss",
-#elif defined _WIN32
+#endif
+#ifdef HAVE_PEAK
 			       "peak",
 #endif
 			       (char *)NULL);
diff --git a/tool/lib/memory_status.rb b/tool/lib/memory_status.rb
index ad002b2..4415443 100644
--- a/tool/lib/memory_status.rb
+++ b/tool/lib/memory_status.rb
@@ -56,11 +56,12 @@ module Memory https://github.com/ruby/ruby/blob/trunk/tool/lib/memory_status.rb#L56
       end
     end
 
-    keys << :peak << :size
+    keys.push(:size, :rss, :peak)
     def self.read_status
       if info = Win32.memory_info
-        yield :peak, info.PeakPagefileUsage
         yield :size, info.PagefileUsage
+        yield :rss, info.WorkingSetSize
+        yield :peak, info.PeakWorkingSetSize
       end
     end
   when (require_relative 'find_executable'
-- 
cgit v1.1


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