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Bug 714264 - Part b: Move CompartmentStats to MemoryMetrics.h; r=njn

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The name member is implemented as a void*, because it needs to remain an
nsCString, and as such the logic to get the name also remains in XPConnect.
This commit is contained in:
Ms2ger 2012-01-11 09:23:08 +01:00
parent 1ce4dd0b6c
commit b2f1e7be59
5 changed files with 149 additions and 111 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
js/public/MemoryMetrics.h
View File

@ -42,6 +42,8 @@
* to change in the future. Depend on them at your own risk.
*/
#include <string.h>
#include "jspubtd.h"
#include "js/Utility.h"
@ -57,6 +59,59 @@ struct TypeInferenceMemoryStats
int64_t temporary;
};
typedef void (* DestroyNameCallback)(void *string);
struct CompartmentStats
{
CompartmentStats()
{
memset(this, 0, sizeof(*this));
}
void init(void *name_, DestroyNameCallback destroyName)
{
name = name_;
destroyNameCb = destroyName;
}
~CompartmentStats()
{
destroyNameCb(name);
}
// Pointer to an nsCString, which we can't use here.
void *name;
DestroyNameCallback destroyNameCb;
int64_t gcHeapArenaHeaders;
int64_t gcHeapArenaPadding;
int64_t gcHeapArenaUnused;
int64_t gcHeapObjectsNonFunction;
int64_t gcHeapObjectsFunction;
int64_t gcHeapStrings;
int64_t gcHeapShapesTree;
int64_t gcHeapShapesDict;
int64_t gcHeapShapesBase;
int64_t gcHeapScripts;
int64_t gcHeapTypeObjects;
int64_t gcHeapXML;
int64_t objectSlots;
int64_t stringChars;
int64_t shapesExtraTreeTables;
int64_t shapesExtraDictTables;
int64_t shapesExtraTreeShapeKids;
int64_t shapesCompartmentTables;
int64_t scriptData;
#ifdef JS_METHODJIT
int64_t mjitCode;
int64_t mjitData;
#endif
TypeInferenceMemoryStats typeInferenceMemory;
};
extern JS_PUBLIC_API(void)
SizeOfCompartmentTypeInferenceData(JSContext *cx, JSCompartment *compartment,
TypeInferenceMemoryStats *stats,

6
js/src/jsfriendapi.cpp
View File

@ -196,6 +196,12 @@ js::IsSystemCompartment(const JSCompartment *c)
return c->isSystemCompartment;
}
JS_FRIEND_API(bool)
js::IsAtomsCompartmentFor(const JSContext *cx, const JSCompartment *c)
{
return c == cx->runtime->atomsCompartment;
}
JS_FRIEND_API(bool)
js::IsScopeObject(JSObject *obj)
{

3
js/src/jsfriendapi.h
View File

@ -196,6 +196,9 @@ JS_FRIEND_API(JSBool) obj_defineSetter(JSContext *cx, uintN argc, js::Value *vp)
extern JS_FRIEND_API(bool)
IsSystemCompartment(const JSCompartment *compartment);
extern JS_FRIEND_API(bool)
IsAtomsCompartmentFor(const JSContext *cx, const JSCompartment *c);
/*
* Check whether it is OK to assign an undeclared property with name
* propname of the global object in the current script on cx. Reports

158
js/xpconnect/src/XPCJSRuntime.cpp
View File

@ -1,4 +1,4 @@
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
@ -57,6 +57,7 @@
#include "nsContentUtils.h"
#include "jsfriendapi.h"
#include "js/MemoryMetrics.h"
#ifdef MOZ_CRASHREPORTER
@ -77,7 +78,6 @@ JS_LOCK_GC, JS_UNLOCK_GC
js_NextActiveContext, js::TriggerOperationCallback
JSString::charsHeapSize
c == cx->runtime->atomsCompartment
CollectCompartmentStatsForRuntime
mWatchdogWakeup = JS_NEW_CONDVAR(mJSRuntime->gcLock);
mJSRuntime->setActivityCallback(ActivityCallback, this);
@ -1254,6 +1254,53 @@ XPCJSRuntime::~XPCJSRuntime()
XPCPerThreadData::ShutDown();
}
static void*
GetCompartmentName(JSContext *cx, JSCompartment *c)
{
nsCString* name = new nsCString();
if (js::IsAtomsCompartmentFor(cx, c)) {
name->AssignLiteral("atoms");
} else if (JSPrincipals *principals = JS_GetCompartmentPrincipals(c)) {
if (principals->codebase) {
name->Assign(principals->codebase);
// If it's the system compartment, append the address.
// This means that multiple system compartments (and there
// can be many) can be distinguished.
if (js::IsSystemCompartment(c)) {
xpc::CompartmentPrivate *compartmentPrivate =
static_cast<xpc::CompartmentPrivate*>(JS_GetCompartmentPrivate(cx, c));
if (compartmentPrivate &&
!compartmentPrivate->location.IsEmpty()) {
name->AppendLiteral(", ");
name->Append(compartmentPrivate->location);
}
// ample; 64-bit address max is 18 chars
static const int maxLength = 31;
nsPrintfCString address(maxLength, ", 0x%llx", PRUint64(c));
name->Append(address);
}
// A hack: replace forward slashes with '\\' so they aren't
// treated as path separators. Users of the reporters
// (such as about:memory) have to undo this change.
name->ReplaceChar('/', '\\');
} else {
name->AssignLiteral("null-codebase");
}
} else {
name->AssignLiteral("null-principal");
}
return name;
}
static void
DestroyCompartmentName(void *string)
{
delete static_cast<nsCString*>(string);
}
namespace {
NS_MEMORY_REPORTER_MALLOC_SIZEOF_FUN(JsMallocSizeOf, "js")
@ -1263,9 +1310,9 @@ CompartmentMemoryCallback(JSContext *cx, void *vdata, JSCompartment *compartment
{
// Append a new CompartmentStats to the vector.
IterateData *data = static_cast<IterateData *>(vdata);
CompartmentStats compartmentStats(cx, compartment);
CompartmentStats *curr =
data->compartmentStatsVector.AppendElement(compartmentStats);
JS::CompartmentStats *curr =
data->compartmentStatsVector.AppendElement();
curr->init(GetCompartmentName(cx, compartment), DestroyCompartmentName);
data->currCompartmentStats = curr;
// Get the compartment-level numbers.
@ -1322,7 +1369,7 @@ CellCallback(JSContext *cx, void *vdata, void *thing, JSGCTraceKind traceKind,
size_t thingSize)
{
IterateData *data = static_cast<IterateData *>(vdata);
CompartmentStats *curr = data->currCompartmentStats;
JS::CompartmentStats *curr = data->currCompartmentStats;
switch (traceKind) {
case JSTRACE_OBJECT:
{
@ -1459,10 +1506,11 @@ ReportMemoryPercentage(const nsACString &path, PRInt32 kind, PRInt64 amount,
template <int N>
inline const nsCString
MakeMemoryReporterPath(const nsACString &pathPrefix,
const nsACString &compartmentName,
const JS::CompartmentStats &compartmentStats,
const char (&reporterName)[N])
{
return pathPrefix + NS_LITERAL_CSTRING("compartment(") + compartmentName +
return pathPrefix + NS_LITERAL_CSTRING("compartment(") +
*static_cast<nsCString*>(compartmentStats.name) +
NS_LITERAL_CSTRING(")/") + nsDependentCString(reporterName);
}
@ -1529,46 +1577,6 @@ namespace mozilla {
namespace xpconnect {
namespace memory {
CompartmentStats::CompartmentStats(JSContext *cx, JSCompartment *c)
{
memset(this, 0, sizeof(*this));
if (c == cx->runtime->atomsCompartment) {
name.AssignLiteral("atoms");
} else if (JSPrincipals *principals = JS_GetCompartmentPrincipals(c)) {
if (principals->codebase) {
name.Assign(principals->codebase);
// If it's the system compartment, append the address.
// This means that multiple system compartments (and there
// can be many) can be distinguished.
if (js::IsSystemCompartment(c)) {
xpc::CompartmentPrivate *compartmentPrivate =
static_cast<xpc::CompartmentPrivate*>(JS_GetCompartmentPrivate(cx, c));
if (compartmentPrivate &&
!compartmentPrivate->location.IsEmpty()) {
name.AppendLiteral(", ");
name.Append(compartmentPrivate->location);
}
// ample; 64-bit address max is 18 chars
static const int maxLength = 31;
nsPrintfCString address(maxLength, ", 0x%llx", PRUint64(c));
name.Append(address);
}
// A hack: replace forward slashes with '\\' so they aren't
// treated as path separators. Users of the reporters
// (such as about:memory) have to undo this change.
name.ReplaceChar('/', '\\');
} else {
name.AssignLiteral("null-codebase");
}
} else {
name.AssignLiteral("null-principal");
}
}
JSBool
CollectCompartmentStatsForRuntime(JSRuntime *rt, void *vdata)
{
@ -1656,7 +1664,7 @@ CollectCompartmentStatsForRuntime(JSRuntime *rt, void *vdata)
for (PRUint32 index = 0;
index < data->compartmentStatsVector.Length();
index++) {
CompartmentStats &stats = data->compartmentStatsVector[index];
JS::CompartmentStats &stats = data->compartmentStatsVector[index];
PRInt64 used = stats.gcHeapArenaHeaders +
stats.gcHeapArenaPadding +
@ -1776,21 +1784,21 @@ GetExplicitNonHeapForRuntime(JSRuntime *rt, void *data)
" The measurement includes slop bytes caused by the heap allocator rounding up request sizes."
static PRInt64
ReportCompartmentStats(const CompartmentStats &stats,
ReportCompartmentStats(const JS::CompartmentStats &stats,
const nsACString &pathPrefix,
nsIMemoryMultiReporterCallback *callback,
nsISupports *closure)
{
PRInt64 gcTotal = 0;
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/arena/headers"),
&gcTotal, stats.gcHeapArenaHeaders,
"Memory on the compartment's garbage-collected JavaScript heap, within "
"arenas, that is used to hold internal book-keeping information.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/arena/padding"),
&gcTotal, stats.gcHeapArenaPadding,
"Memory on the compartment's garbage-collected JavaScript heap, within "
@ -1798,28 +1806,28 @@ ReportCompartmentStats(const CompartmentStats &stats,
"This constitutes internal fragmentation.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/arena/unused"),
&gcTotal, stats.gcHeapArenaUnused,
"Memory on the compartment's garbage-collected JavaScript heap, within "
"arenas, that could be holding useful data but currently isn't.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/objects/non-function"),
&gcTotal, stats.gcHeapObjectsNonFunction,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
"non-function objects.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/objects/function"),
&gcTotal, stats.gcHeapObjectsFunction,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
"function objects.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/strings"),
&gcTotal, stats.gcHeapStrings,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
@ -1829,7 +1837,7 @@ ReportCompartmentStats(const CompartmentStats &stats,
"under 'gc-heap/string-chars' instead.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/scripts"),
&gcTotal, stats.gcHeapScripts,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
@ -1837,42 +1845,42 @@ ReportCompartmentStats(const CompartmentStats &stats,
"in a script. One is also created for the top-level code in a script.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/shapes/tree"),
&gcTotal, stats.gcHeapShapesTree,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
"shapes that are in a property tree.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/shapes/dict"),
&gcTotal, stats.gcHeapShapesDict,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
"shapes that are in dictionary mode.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/shapes/base"),
&gcTotal, stats.gcHeapShapesBase,
"Memory on the compartment's garbage-collected JavaScript heap that collates "
"data common to many shapes.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/type-objects"),
&gcTotal, stats.gcHeapTypeObjects,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
"type inference information.",
callback, closure);
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportGCHeapBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"gc-heap/xml"),
&gcTotal, stats.gcHeapXML,
"Memory on the compartment's garbage-collected JavaScript heap that holds "
"E4X XML objects.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"object-slots"),
nsIMemoryReporter::KIND_HEAP, stats.objectSlots,
"Memory allocated for the compartment's non-fixed object slot arrays, "
@ -1882,7 +1890,7 @@ ReportCompartmentStats(const CompartmentStats &stats,
"'gc-heap/objects' instead." SLOP_BYTES_STRING,
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"string-chars"),
nsIMemoryReporter::KIND_HEAP, stats.stringChars,
"Memory allocated to hold the compartment's string characters. Sometimes "
@ -1892,35 +1900,35 @@ ReportCompartmentStats(const CompartmentStats &stats,
"'gc-heap/strings' instead.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"shapes-extra/tree-tables"),
nsIMemoryReporter::KIND_HEAP, stats.shapesExtraTreeTables,
"Memory allocated for the compartment's property tables that belong to "
"shapes that are in a property tree." SLOP_BYTES_STRING,
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"shapes-extra/dict-tables"),
nsIMemoryReporter::KIND_HEAP, stats.shapesExtraDictTables,
"Memory allocated for the compartment's property tables that belong to "
"shapes that are in dictionary mode." SLOP_BYTES_STRING,
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"shapes-extra/tree-shape-kids"),
nsIMemoryReporter::KIND_HEAP, stats.shapesExtraTreeShapeKids,
"Memory allocated for the compartment's kid hashes that belong to shapes "
"that are in a property tree.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"shapes-extra/compartment-tables"),
nsIMemoryReporter::KIND_HEAP, stats.shapesCompartmentTables,
"Memory used by compartment wide tables storing shape information "
"for use during object construction.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"script-data"),
nsIMemoryReporter::KIND_HEAP, stats.scriptData,
"Memory allocated for JSScript bytecode and various variable-length "
@ -1928,13 +1936,13 @@ ReportCompartmentStats(const CompartmentStats &stats,
callback, closure);
#ifdef JS_METHODJIT
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"mjit-code"),
nsIMemoryReporter::KIND_NONHEAP, stats.mjitCode,
"Memory used by the method JIT to hold the compartment's generated code.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"mjit-data"),
nsIMemoryReporter::KIND_HEAP, stats.mjitData,
"Memory used by the method JIT for the compartment's compilation data: "
@ -1942,7 +1950,7 @@ ReportCompartmentStats(const CompartmentStats &stats,
callback, closure);
#endif
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"type-inference/script-main"),
nsIMemoryReporter::KIND_HEAP,
stats.typeInferenceMemory.scripts,
@ -1950,7 +1958,7 @@ ReportCompartmentStats(const CompartmentStats &stats,
"and dynamically observed types.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"type-inference/object-main"),
nsIMemoryReporter::KIND_HEAP,
stats.typeInferenceMemory.objects,
@ -1958,14 +1966,14 @@ ReportCompartmentStats(const CompartmentStats &stats,
"property types of JS objects.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"type-inference/tables"),
nsIMemoryReporter::KIND_HEAP,
stats.typeInferenceMemory.tables,
"Memory used during type inference for compartment-wide tables.",
callback, closure);
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats.name,
ReportMemoryBytes0(MakeMemoryReporterPath(pathPrefix, stats,
"analysis-temporary"),
nsIMemoryReporter::KIND_HEAP,
stats.typeInferenceMemory.temporary,

38
js/xpconnect/src/xpcpublic.h
View File

@ -215,40 +215,6 @@ namespace mozilla {
namespace xpconnect {
namespace memory {
struct CompartmentStats
{
CompartmentStats(JSContext *cx, JSCompartment *c);
nsCString name;
PRInt64 gcHeapArenaHeaders;
PRInt64 gcHeapArenaPadding;
PRInt64 gcHeapArenaUnused;
PRInt64 gcHeapObjectsNonFunction;
PRInt64 gcHeapObjectsFunction;
PRInt64 gcHeapStrings;
PRInt64 gcHeapShapesTree;
PRInt64 gcHeapShapesDict;
PRInt64 gcHeapShapesBase;
PRInt64 gcHeapScripts;
PRInt64 gcHeapTypeObjects;
PRInt64 gcHeapXML;
PRInt64 objectSlots;
PRInt64 stringChars;
PRInt64 shapesExtraTreeTables;
PRInt64 shapesExtraDictTables;
PRInt64 shapesExtraTreeShapeKids;
PRInt64 shapesCompartmentTables;
PRInt64 scriptData;
#ifdef JS_METHODJIT
PRInt64 mjitCode;
PRInt64 mjitData;
#endif
JS::TypeInferenceMemoryStats typeInferenceMemory;
};
struct IterateData
{
IterateData()
@ -306,8 +272,8 @@ struct IterateData
PRInt64 totalTypeInference;
PRInt64 totalAnalysisTemp;
nsTArray<CompartmentStats> compartmentStatsVector;
CompartmentStats *currCompartmentStats;
nsTArray<JS::CompartmentStats> compartmentStatsVector;
JS::CompartmentStats *currCompartmentStats;
};
JSBool