Move Courgette...

third_party/courgette/memory_monitor.cc

Index: third_party/courgette/memory_monitor.cc
===================================================================
--- third_party/courgette/memory_monitor.cc	(revision 15668)
+++ third_party/courgette/memory_monitor.cc	(working copy)
@@ -1,122 +0,0 @@
-#include <stdio.h>
-#include <map>
-
-#include "base/logging.h"
-#include "base/string_util.h"
-
-bool inH = true;
-struct H {
-  H() { inH = false;  tick_ = 0; bw_ = 0; d_bw_ = d_tick_ = 0; m_bw_ = 0; mem_ = high_ = 0;}
-  ~H() {
-    inH = true;
-    int i = 0;
-    for (M::iterator p = m_.begin(); p != m_.end(); ++p, ++i) {
-      size_t s = p->first;
-      LOG(INFO) << StringPrintf("%3d %8u: %8u %8u %8u %8u", i, s,
-             m_[s], c_[s], h_[s], h_[s] * s);
-    }
-    LOG(INFO) << "Peak " << fmt(high_);
-  }
-
-  std::string fmt(size_t s) {
-    if (s > 1000000000) return StringPrintf("%.3gG", s/(1000000000.0));
-    if (s > 1000000) return StringPrintf("%.3gM", s/(1000000.));
-    if (s > 9999) return StringPrintf("%.3gk", s/(1000.));
-    return StringPrintf("%d", (int)s);
-  }
-
-  void tick(size_t w, char sign) {
-    d_tick_ += 1;
-    d_bw_ += w;
-    const size_t T = 4*4*1024;
-    const size_t M = 4*1024*1024;
-    bool print = false;
-    if (d_tick_ >= T) {
-      tick_ += (d_tick_/T)*T;
-      d_tick_ %= T;
-      print = true;
-    }
-    if (d_bw_ >= M) {
-      bw_ += (d_bw_/M) * M;
-      d_bw_ %= M;
-      print = true;
-    }
-    if (!print) return;
-    std::string o;
-    StringAppendF(&o, "%u:", tick_ + d_tick_);
-    StringAppendF(&o, " (%c%s)", sign, fmt(w).c_str());
-    size_t sum = 0;
-    for (M::iterator p = c_.begin(); p != c_.end(); ++p) {
-      size_t s = p->first;
-      size_t n = p->second;
-      if (n) {
-        if (s*n >= 64*1024)
-          if (n == 1)
-            StringAppendF(&o, "  %s", fmt(s).c_str());
-          else
-            StringAppendF(&o, "  %s*%u", fmt(s).c_str(), n);
-        sum += s*n;
-        }
-    }
-    StringAppendF(&o, "  = %s", fmt(sum).c_str());
-    LOG(INFO) << o;
-    //printf("%s\n", o.c_str());
-    if (sum > 200*1024*1024) {
-      // __asm int 3;
-      m_bw_ = sum;
-    }
-  }
-  void add(size_t s, void *p) {
-    if (!inH) {
-      inH = true;
-      mem_ += s; if (mem_ > high_) high_ = mem_;
-      c_[s] += 1;
-      m_[s] += 1;
-      if (c_[s] > h_[s]) h_[s] = c_[s];
-      allocs_[p] = s;
-      inH = false;
-      tick(s, '+');
-    }
-  }
-
-  void sub(void *p) {
-    if (!inH) {
-      inH = true;
-      size_t s = allocs_[p];
-      if (s) {
-        mem_ -= s;
-        c_[s] -= 1;
-        allocs_[p] = 0;
-        tick(s, '-');
-      }
-      inH = false;
-    }
-  }
-
-  typedef std::map<size_t, size_t> M;
-  M m_;
-  M c_;
-  M h_;
-
-  size_t bw_;
-  size_t d_bw_;
-  size_t tick_;
-  size_t d_tick_;
-  size_t m_bw_;
-  size_t mem_;
-  size_t high_;
-
-  std::map<void*, size_t> allocs_;
-} _H;
-
-void* operator new(size_t s) {
-  //printf("%u\n", s);
-  void *p = malloc(s);
-  _H.add(s, p);
-  return p;
-}
-
-void operator delete(void *p) {
-  _H.sub(p);
-  free(p);
-}