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578 Commits

Author SHA1 Message Date
yurys@chromium.org
a5be5da2e8 Allow recording individual samples in addition to the aggregated CPU profiles 
CPU profiler API is extended with methods that allow to retrieve individual samples from profile. Each sample is presented as a pointer to a node in the top-down profile tree. The samples will let us tie JS performance to time.

BUG=None

Review URL: https://codereview.chromium.org/12919002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13980 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-19 08:11:56 +00:00
svenpanne@chromium.org
e4e4447305 Pass Isolates explicitly in Deoptimizer-related code. 
Removed a few ancient useless ASSERTs on the way. Reduced the number of train wrecks.

BUG=v8:2487

Review URL: https://codereview.chromium.org/12917002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13965 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-18 13:57:49 +00:00
yangguo@chromium.org
ebcecd49af Parallel recompilation: fix off-by-one in deferred handle scope iteration. 
R=jkummerow@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12650005

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13962 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-18 11:26:09 +00:00
yurys@chromium.org
b3ee84d361 Remove bottom-up CPU profile 
Bottom-up view of CPU profile can be restored based on top-down profile data. So there is no need to spend resources on creating both of them inside V8.

BUG=None

Review URL: https://codereview.chromium.org/12825003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13958 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-15 12:46:45 +00:00
svenpanne@chromium.org
53310ac152 Added a version of the v8::HandleScope constructor with an Isolate and use that consistently. 
I tried to limit the use of v8::Isolate::GetCurrent() and v8::internal::Isolate::Current() as much as possible, but sometimes this would have involved restructuring tests quite a bit, which is better left for a separate CL.

BUG=v8:2487

Review URL: https://codereview.chromium.org/12716010

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13953 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-15 12:06:53 +00:00
dcarney@chromium.org
5e1d926053 Some Utf8Length microoptimizations 
R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12783002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13938 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-13 19:43:45 +00:00
svenpanne@chromium.org
8db737a583 Made AdjustAmountOfExternalAllocatedMemory an instance method of Isolate 
BUG=v8:2487

Review URL: https://codereview.chromium.org/12790004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13933 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-13 13:15:09 +00:00
yangguo@chromium.org
5afa1a0d3a Avoid bool to Oddball conversions by being lazy. 
R=svenpanne@chromium.org
BUG=v8:2491

Review URL: https://chromiumcodereview.appspot.com/12459011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13869 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-07 16:22:19 +00:00
dcarney@chromium.org
25058ddd85 Runtime version of declarative native accessors. 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12297012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13856 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-07 11:42:58 +00:00
dcarney@chromium.org
07e2494735 Added back some utf8 optimizations 
R=yangguo@chromium.org
BUG=https://code.google.com/p/v8/issues/detail?id=2551

Review URL: https://codereview.chromium.org/12390057

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13842 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-03-06 15:39:57 +00:00
rossberg@chromium.org
55f93b5532 Renamed "symbols" to "internalized strings" throughout the code base, 
in preparation of the introduction of ES6 'symbols' (aka private/unique names).

The SymbolTable became the StringTable. I also made sure to adapt all comments. The only remaining use of the term "symbol" (other than unrelated uses in the parser and such) is now 'NewSymbol' in the API and the 'V8.KeyedLoadGenericSymbol' counter, changing which might break embedders.

The one functional change in this CL is that I removed the former 'empty_string' constant, since it is redundant given the 'empty_symbol' constant that we also had (and both were used inconsistently).

R=yangguo@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12210083

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13781 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-28 17:03:34 +00:00
svenpanne@chromium.org
bfaf38d2fd Miscellaneous profile-driven Isolate plumbing. 
While doing this, it became clear that quite a few functions should not be
static and should better live in various classes as instance methods, but I'll
leave this for a later CL.

BUG=v8:2487

Review URL: https://codereview.chromium.org/12314152

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13765 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-27 14:45:59 +00:00
yangguo@chromium.org
7145671392 Make message listener API backwards compatible. 
R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/12217066

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13762 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-27 14:35:39 +00:00
svenpanne@chromium.org
c26d100b10 Avoid TLS accesses in Object::Lookup and Object::GetPrototype. 
Both methods were among the top causes for TLS accesses.

BUG=v8:2487

Review URL: https://codereview.chromium.org/12319144

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13759 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-27 13:22:29 +00:00
svenpanne@chromium.org
fb6776e84a Made Isolate a mandatory parameter for everything Handle-related. 
Unified parameter order of CreateHandle with the rest of v8 on the way. A few
Isolate::Current()s had to be introduced, which is not nice, and not every place
will win a beauty contest, but we can clean this up later easily in smaller steps.

Review URL: https://codereview.chromium.org/12300018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13717 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-25 14:46:09 +00:00
loislo@chromium.org
ea0817c7d4 Split profile-generator 
CPU profile code and Heap Snapshot code are completely unrelated to each other.
So we can extract heap snapshot part into separate file.
No functional changes.

BUG=none
TEST=none

Review URL: https://chromiumcodereview.appspot.com/12314027

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13706 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-21 12:10:40 +00:00
svenpanne@chromium.org
71a26c928a Make the Isolate parameter mandatory for internal HandleScopes. 
Improved Frames and their iterators on the way, too.

BUG=v8:2487

Review URL: https://codereview.chromium.org/12254007

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13674 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-15 09:27:10 +00:00
dcarney@chromium.org
0da6e525b7 Split AccessorInfo into DeclaredAccessorInfo and ExecutableAccessorInfo 
R=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/12213012

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13649 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-12 14:33:08 +00:00
svenpanne@chromium.org
3b08a1f82c Added new GetHeapStatistics API entry and deprecated old one. 
Simplified the HeapStatistics class a bit, following Uncle Bob's advice that
adding accessors to DTOs only satisfies some design fundamentalists, but serves
no other purpose. :-)

Review URL: https://codereview.chromium.org/12207076

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13631 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-02-08 12:41:55 +00:00
svenpanne@chromium.org
52d10a68cb Add Isolate parameter to Persistent class. 
BUG=v8:2487

Review URL: https://codereview.chromium.org/12033011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13501 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-25 08:31:46 +00:00
mstarzinger@chromium.org
c8cf5d90aa Implement VisitHandlesInNewSpaceWithClassIds() 
BUG=
TEST=test-api.cc::PersistentHandleInNewSpaceVisitor

Review URL: https://codereview.chromium.org/11365131
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13496 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-24 15:53:16 +00:00
yangguo@chromium.org
84ae8d31b1 Remove some unnecessary use of templates. 
R=dcarney@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11958040

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13413 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-17 14:31:03 +00:00
mstarzinger@chromium.org
fd4d32e733 Inline SetWrapperClassId() and WrapperClassId() 
BUG=
TEST=test-api.cc (WrapperClassId)

Review URL: https://codereview.chromium.org/11961014
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13405 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-16 16:33:09 +00:00
svenpanne@chromium.org
6e6426627e Implement Context::GetIsolate() 
BUG=
TEST=test-api.cc (IsolateOfContext)

Review URL: https://codereview.chromium.org/11968011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13397 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-16 12:11:43 +00:00
mstarzinger@chromium.org
4e6525da7e Inline MarkIndependent(), MarkPartiallyDependent(), IsIndependent() 
TEST=test-api.cc (IndependentWeakHandle, ApiObjectGroupsCycleForScavenger)

Review URL: https://codereview.chromium.org/11879044
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13391 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-16 10:10:53 +00:00
svenpanne@chromium.org
1ac3949a93 Removed deprecated functions from v8's external API. 
Removed the following deprecated functions:

   * Object::GetPointerFromInternalField
   * Object::SetPointerInInternalField
   * External::Wrap
   * External::Unwrap
   * Context::GetData
   * Context::SetData

They have been deprecated in the 3.15 branch and are not used by Chrome anymore.
Furthermore, judging from bug reports and email threads, embedders like node.js
and others are already using 3.15, too. All removed API entries can be emulated
by a one-liner, so adapting should not be hard for anybody.

We want to introduce more deprecations soon, but to keep things simple and avoid
having old and not-so-old deprecations in v8.h, the 3.15 deprecations are now
removed.

In general, the strategy of keeping deprecated things for one stable release and
then removing them seems to be a good compromise between a maintenance nightmare
and annoying external embedders. :-)

Review URL: https://codereview.chromium.org/11885019

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13372 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-14 13:41:08 +00:00
yangguo@chromium.org
eadcc1c10c Reland r13188, r13194, r13256 (Deferred formatting of error stack trace during GC). 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11880018

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13371 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-14 13:19:27 +00:00
yangguo@chromium.org
cc3bb60317 Prepare API for webkit use of Latin-1 
R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11852019
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13369 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-14 11:22:05 +00:00
svenpanne@chromium.org
1ea15e5ad2 Make v8 handle OOM during Heap construction more gracefully. 
Review URL: https://codereview.chromium.org/11824064

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13356 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-10 15:53:11 +00:00
yangguo@chromium.org
e41c17084f Continues Latin-1 support. All tests pass with ENABLE_LATIN_1 flag. 
R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11818025
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13344 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-09 15:47:53 +00:00
yangguo@chromium.org
45f20e366a Introduce ENABLE_LATIN_1 compile flag 
Mostly a bunch of renaming when flag is disabled.

R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11759008
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13340 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-09 10:30:54 +00:00
yangguo@chromium.org
ffa936927b Fix Win64 build. 
R=dcarney@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11746015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13304 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-03 13:16:00 +00:00
yangguo@chromium.org
e2444edd8f Refactor out assumption that one byte strings are ascii in utf8 processing. 
R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11725006
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13302 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2013-01-03 12:59:54 +00:00
yangguo@chromium.org
bccef0c712 Reland r13275 and 13276 (Remove most uses of StringInputBuffer). 
R=dcarney@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11727003
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13291 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-31 11:13:50 +00:00
yangguo@chromium.org
2f821f1ed9 Revert r13188, r13194, r13256 (Deferred formatting of error stack trace during GC). 
R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11678006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13279 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-27 13:12:27 +00:00
yangguo@chromium.org
121f3f6020 Revert r13275 and 13276 (Remove most uses of StringInputBuffer). 
This is due to test failures in test-mark-compact/BootUpMemoryUse.

R=ulan@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11688003

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13277 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-27 10:03:17 +00:00
yangguo@chromium.org
7f074acd8d Remove most uses of StringInputBuffer 
R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11638037
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13275 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-24 08:29:48 +00:00
rossberg@chromium.org
b25c040c2c Extend API to allow setting length property for function templates. 
R=yangguo@chromium.org
BUG=125308

Review URL: https://codereview.chromium.org/11631002

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13240 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-19 10:28:36 +00:00
yangguo@chromium.org
19a6575ea3 Rename LookupSymbol calls to use Utf8 or OneByte in names. 
R=yangguo@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11597007
Patch from Dan Carney <dcarney@google.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13229 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-17 15:56:16 +00:00
yangguo@chromium.org
e24b98312b Revert r13218 due to windows test failures. 
R=verwaest@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11568014

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13219 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-13 17:21:15 +00:00
yangguo@chromium.org
4cd41edcd9 Add methods to allow resuming execution after calling TerminateExecution(). 
Two new methods are added to allow embedders to determine that execution
should be resumed at a particular point in the stack without being forced
to unwind all JS frames.

* V8::ResumeExecution() -- When execution is terminated via a call to
  V8::TerminateExecution(), this method can be called to clear the
  termination exception so that the engine can continue to be used.

* TryCatch::HasTerminated() -- When a TryCatch has caught a termination
  exception, HasTerminated() will return true to indicate it is valid to
  call V8::ResumeExecution() if desired.

A test case is added to cctest/test-thread-termination.cc.

BUG=v8:2361

Patch from Andrew Paprocki <andrew@ishiboo.com>.

Review URL: https://chromiumcodereview.appspot.com/11142013
Patch from Andrew Paprocki <andrew@ishiboo.com>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13218 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-13 16:38:49 +00:00
yangguo@chromium.org
72dfb27909 Fire 'stack' getter of error objects after GC. 
BUG=v8:2340

Review URL: https://chromiumcodereview.appspot.com/11377158

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13188 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-11 10:14:01 +00:00
svenpanne@chromium.org
608bce5023 Remove SlidingStateWindow and related code. 
Review URL: https://codereview.chromium.org/11441034

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13172 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-07 13:47:42 +00:00
mstarzinger@chromium.org
e46b251324 Pass Isolate to MakeWeak(), IsWeak(), and AddObjectGroup(). 
BUG=
TEST=cctest/test-api/ApiObjectGroupsCycle

Review URL: https://codereview.chromium.org/11360082
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13139 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-05 10:14:10 +00:00
mstarzinger@chromium.org
0e3fece02d Pass Isolate to Local<T>::New() 
Our profiling revealed that Local<T>::New() is one of bottlenecks of DOM bindings.

BUG=
TEST=cctest/test-api/LocalHandle

Review URL: https://codereview.chromium.org/11316331
Patch from Kentaro Hara <haraken@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13138 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-05 09:13:53 +00:00
yurys@chromium.org
cec0745aa2 Introduce callback for resolving global object name while taking heap snapshot 
Heap profiler currently gets "document" of global objects while taking snapshot (to later retrieve its "URL"). This is unsafe as there may be no current v8 context when the property is requested while corresponding property accessor may make some assumptions about the context stack during its invokation. Several crashes were reported due to this problem:
https://bugs.webkit.org/show_bug.cgi?id=103076
https://crbug.com/162121
https://crbug.com/132727

This patch adds a callback for resolving global object names and avoid the crashes.
Review URL: https://codereview.chromium.org/11415203

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13137 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-12-04 17:17:55 +00:00
jkummerow@chromium.org
7cc61deafa Fix typo in FunctionTemplate::ReadOnlyPrototype. 
Contributed by Peter Varga <pvarga@inf.u-szeged.hu>

BUG=
TEST=

Review URL: https://codereview.chromium.org/11434031

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13095 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-29 14:53:44 +00:00
yangguo@chromium.org
94476cb89a Also time other API functions calling into javascript. 
And prevent crash when starting chromium without --single-process.

BUG=

Review URL: https://chromiumcodereview.appspot.com/11411144

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13051 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-26 08:56:59 +00:00
yangguo@chromium.org
72db2287c3 Add parallel recompilation time to histogram and plot execution pause times. 
BUG=

Review URL: https://chromiumcodereview.appspot.com/11412125

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13036 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 13:04:11 +00:00
svenpanne@chromium.org
f275b36299 Reduced TLS accesses even further. 
Thread the Isolate through FindCodeInCache, FindCodeInSpecialCache and
SetProperty. Reduced the number of TLS accesses while running the Octane
benchmark down to 19% compared to the beginning of the cleanups.

Review URL: https://codereview.chromium.org/11411033

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13030 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
 2012-11-22 07:58:59 +00:00