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// Copyright (c) 2009 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stddef.h>
#include <stdio.h>
#include <map>
#include "base/logging.h"
#include "base/strings/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) << base::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 base::StringPrintf("%.3gG", s/(1000000000.0));
if (s > 1000000) return base::StringPrintf("%.3gM", s/(1000000.));
if (s > 9999) return base::StringPrintf("%.3gk", s/(1000.));
return base::IntToString((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;
base::StringAppendF(&o, "%u:", tick_ + d_tick_);
base::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)
base::StringAppendF(&o, " %s", fmt(s).c_str());
else
base::StringAppendF(&o, " %s*%u", fmt(s).c_str(), n);
sum += s*n;
}
}
base::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);
}
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