commit 3dd1bb87cda35313a26daa37cebf3962181da053
author Jim Stichnoth <stichnot@chromium.org> Sat Feb 27 09:05:50 2016 -0800
committer Jim Stichnoth <stichnot@chromium.org> Sat Feb 27 09:05:50 2016 -0800
tree b9eef8b70c0da306994c6672373836fc53f0b131
parent 352db9354e9c30f99c6f87674f70a6f23a9ef7eb

Subzero: Print memory usage info when dumping.

Adds "-verbose mem" to enable printing the amount of CfgLocalAllocator memory allocated, each time Cfg::dump() is called.

"-verbose mem,status" is a good way to get summary info.

BUG= none
R=kschimpf@google.com

Review URL: https://codereview.chromium.org/1743043002 .

src/IceCfg.cpp

diff --git a/src/IceCfg.cpp b/src/IceCfg.cpp
index 480893a..5c51ae6 100644
--- a/src/IceCfg.cpp
+++ b/src/IceCfg.cpp
@@ -203,8 +203,10 @@
       FunctionTimer.reset(new TimerMarker(
           getContext()->getTimerID(GlobalContext::TSK_Funcs, Name),
           getContext(), GlobalContext::TSK_Funcs));
-    if (isVerbose(IceV_Status))
-      getContext()->getStrDump() << ">>>Translating " << Name << "\n";
+    if (isVerbose(IceV_Status)) {
+      getContext()->getStrDump() << ">>>Translating "
+                                 << getFunctionNameAndSize() << "\n";
+    }
   }
   TimerMarker T(TimerStack::TT_translate, this);
 
@@ -1084,6 +1086,12 @@
   Ostream &Str = Ctx->getStrDump();
   if (!Message.empty())
     Str << "================ " << Message << " ================\n";
+  if (isVerbose(IceV_Mem)) {
+    constexpr size_t OneMB = 1024 * 1024;
+    Str << "Memory size = "
+        << (CfgLocalAllocator<int>().current()->getTotalMemory() / OneMB)
+        << " MB\n";
+  }
   setCurrentNode(getEntryNode());
   // Print function name+args
   if (isVerbose(IceV_Instructions)) {

src/IceClFlags.cpp

diff --git a/src/IceClFlags.cpp b/src/IceClFlags.cpp
index f776634..36f53ee 100644
--- a/src/IceClFlags.cpp
+++ b/src/IceClFlags.cpp
@@ -335,6 +335,7 @@
                    "Print the name of the function being translated"),
         clEnumValN(Ice::IceV_AvailableRegs, "registers",
                    "Show available registers for register allocation"),
+        clEnumValN(Ice::IceV_Mem, "mem", "Memory usage details"),
         clEnumValN(Ice::IceV_All, "all", "Use all verbose options"),
         clEnumValN(Ice::IceV_Most, "most",
                    "Use all verbose options except 'regalloc'"),

src/IceDefs.h

diff --git a/src/IceDefs.h b/src/IceDefs.h
index 56a3bac..b8047b4 100644
--- a/src/IceDefs.h
+++ b/src/IceDefs.h
@@ -213,6 +213,7 @@
   IceV_Loop = 1 << 13,
   IceV_Status = 1 << 14,
   IceV_AvailableRegs = 1 << 15,
+  IceV_Mem = 1 << 16,
   IceV_All = ~IceV_None,
   IceV_Most = IceV_All & ~IceV_LinearScan
 };