gecko-dev/js/public/MemoryMetrics.h
2012-05-21 12:12:37 +01:00

184 lines
4.5 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* vim: set ts=8 sw=4 et tw=99 ft=cpp:
*
* 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/. */
#ifndef js_MemoryMetrics_h
#define js_MemoryMetrics_h
/*
* These declarations are not within jsapi.h because they are highly likely
* to change in the future. Depend on them at your own risk.
*/
#include <string.h>
#include "jsalloc.h"
#include "jspubtd.h"
#include "js/Utility.h"
#include "js/Vector.h"
namespace JS {
/* Data for tracking analysis/inference memory usage. */
struct TypeInferenceSizes
{
size_t scripts;
size_t objects;
size_t tables;
size_t temporary;
};
// These measurements relate directly to the JSRuntime, and not to
// compartments within it.
struct RuntimeSizes
{
RuntimeSizes()
: object(0)
, atomsTable(0)
, contexts(0)
, dtoa(0)
, temporary(0)
, mjitCode(0)
, regexpCode(0)
, unusedCodeMemory(0)
, stackCommitted(0)
, gcMarker(0)
, mathCache(0)
, scriptFilenames(0)
, compartmentObjects(0)
{}
size_t object;
size_t atomsTable;
size_t contexts;
size_t dtoa;
size_t temporary;
size_t mjitCode;
size_t regexpCode;
size_t unusedCodeMemory;
size_t stackCommitted;
size_t gcMarker;
size_t mathCache;
size_t scriptFilenames;
// This is the exception to the "RuntimeSizes doesn't measure things within
// compartments" rule. We combine the sizes of all the JSCompartment
// objects into a single measurement because each one is fairly small, and
// they're all the same size.
size_t compartmentObjects;
};
struct CompartmentStats
{
CompartmentStats() {
memset(this, 0, sizeof(*this));
}
void *extra;
size_t gcHeapArenaHeaders;
size_t gcHeapArenaPadding;
size_t gcHeapArenaUnused;
size_t gcHeapObjectsNonFunction;
size_t gcHeapObjectsFunction;
size_t gcHeapStrings;
size_t gcHeapShapesTree;
size_t gcHeapShapesDict;
size_t gcHeapShapesBase;
size_t gcHeapScripts;
size_t gcHeapTypeObjects;
#if JS_HAS_XML_SUPPORT
size_t gcHeapXML;
#endif
size_t objectSlots;
size_t objectElements;
size_t objectMisc;
size_t stringChars;
size_t shapesExtraTreeTables;
size_t shapesExtraDictTables;
size_t shapesExtraTreeShapeKids;
size_t shapesCompartmentTables;
size_t scriptData;
size_t mjitData;
size_t crossCompartmentWrappers;
TypeInferenceSizes typeInferenceSizes;
};
struct RuntimeStats
{
RuntimeStats(JSMallocSizeOfFun mallocSizeOf)
: runtime()
, gcHeapChunkTotal(0)
, gcHeapCommitted(0)
, gcHeapUnused(0)
, gcHeapChunkCleanUnused(0)
, gcHeapChunkDirtyUnused(0)
, gcHeapChunkCleanDecommitted(0)
, gcHeapChunkDirtyDecommitted(0)
, gcHeapArenaUnused(0)
, gcHeapChunkAdmin(0)
, totalObjects(0)
, totalShapes(0)
, totalScripts(0)
, totalStrings(0)
, totalMjit(0)
, totalTypeInference(0)
, totalAnalysisTemp(0)
, compartmentStatsVector()
, currCompartmentStats(NULL)
, mallocSizeOf(mallocSizeOf)
{}
RuntimeSizes runtime;
size_t gcHeapChunkTotal;
size_t gcHeapCommitted;
size_t gcHeapUnused;
size_t gcHeapChunkCleanUnused;
size_t gcHeapChunkDirtyUnused;
size_t gcHeapChunkCleanDecommitted;
size_t gcHeapChunkDirtyDecommitted;
size_t gcHeapArenaUnused;
size_t gcHeapChunkAdmin;
size_t totalObjects;
size_t totalShapes;
size_t totalScripts;
size_t totalStrings;
size_t totalMjit;
size_t totalTypeInference;
size_t totalAnalysisTemp;
js::Vector<CompartmentStats, 0, js::SystemAllocPolicy> compartmentStatsVector;
CompartmentStats *currCompartmentStats;
JSMallocSizeOfFun mallocSizeOf;
virtual void initExtraCompartmentStats(JSCompartment *c, CompartmentStats *cstats) = 0;
};
#ifdef JS_THREADSAFE
extern JS_PUBLIC_API(bool)
CollectRuntimeStats(JSRuntime *rt, RuntimeStats *rtStats);
extern JS_PUBLIC_API(int64_t)
GetExplicitNonHeapForRuntime(JSRuntime *rt, JSMallocSizeOfFun mallocSizeOf);
#endif /* JS_THREADSAFE */
extern JS_PUBLIC_API(size_t)
SystemCompartmentCount(const JSRuntime *rt);
extern JS_PUBLIC_API(size_t)
UserCompartmentCount(const JSRuntime *rt);
} // namespace JS
#endif // js_MemoryMetrics_h