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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "memory_counter.h"
#include "mozilla/UniquePtr.h"
#include "mozmemory.h"
#include "GeckoProfiler.h"
namespace mozilla::profiler {
class MemoryCounter : public BaseProfilerCount {
public:
MemoryCounter()
: BaseProfilerCount("malloc", "Memory", "Amount of allocated memory") {};
virtual ~MemoryCounter() {
// The counter is removed by ActivePS::Destroy()
}
CountSample Sample() override {
CountSample sample = {
.count = 0,
.number = 0,
.isSampleNew = true,
};
jemalloc_stats_lite_t mallocStats;
jemalloc_stats_lite(&mallocStats);
sample.count += int64_t(mallocStats.allocated_bytes);
sample.number += mallocStats.num_operations;
js::gc::ProfilerMemoryCounts jsStats = js::gc::GetProfilerMemoryCounts();
sample.count += int64_t(jsStats.bytes);
sample.number += jsStats.operations;
return sample;
}
};
UniquePtr<BaseProfilerCount> create_memory_counter() {
return MakeUnique<MemoryCounter>();
}
} // namespace mozilla::profiler
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