code review 4118042: runtime: simpler heap map, memory allocation

src/pkg/runtime/pprof/pprof.go

 // Copyright 2010 The Go Authors.  All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 // Package pprof writes runtime profiling data in the format expected
 // by the pprof visualization tool.
 // For more information about pprof, see
 // http://code.google.com/p/google-perftools/.
 package pprof
 
@@ skipping 70 matching lines @@
         fmt.Fprintf(b, "# Mallocs = %d\n", s.Mallocs)
 
         fmt.Fprintf(b, "# HeapAlloc = %d\n", s.HeapAlloc)
         fmt.Fprintf(b, "# HeapSys = %d\n", s.HeapSys)
         fmt.Fprintf(b, "# HeapIdle = %d\n", s.HeapIdle)
         fmt.Fprintf(b, "# HeapInuse = %d\n", s.HeapInuse)
 
         fmt.Fprintf(b, "# Stack = %d / %d\n", s.StackInuse, s.StackSys)
         fmt.Fprintf(b, "# MSpan = %d / %d\n", s.MSpanInuse, s.MSpanSys)
         fmt.Fprintf(b, "# MCache = %d / %d\n", s.MCacheInuse, s.MCacheSys)
-        fmt.Fprintf(b, "# MHeapMapSys = %d\n", s.MHeapMapSys)
         fmt.Fprintf(b, "# BuckHashSys = %d\n", s.BuckHashSys)
 
         fmt.Fprintf(b, "# NextGC = %d\n", s.NextGC)
         fmt.Fprintf(b, "# PauseNs = %d\n", s.PauseNs)
         fmt.Fprintf(b, "# NumGC = %d\n", s.NumGC)
         fmt.Fprintf(b, "# EnableGC = %v\n", s.EnableGC)
         fmt.Fprintf(b, "# DebugGC = %v\n", s.DebugGC)
 
         fmt.Fprintf(b, "# BySize = Size * (Active = Mallocs - Frees)\n")
         fmt.Fprintf(b, "# (Excluding large blocks.)\n")
         for _, t := range s.BySize {
                 if t.Mallocs > 0 {
                         fmt.Fprintf(b, "#   %d * (%d = %d - %d)\n", t.Size, t.Mallocs-t.Frees, t.Mallocs, t.Frees)
                 }
         }
         return b.Flush()
 }