Adds `v8.cachedDataVersionTag()`, which returns an integer
representing the version tag for `cachedData` for the current V8
version & flags.
PR-URL: https://github.com/nodejs/node/pull/11515
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
We were transporting the heap statistics as uint32 values to JS land but
those wrap around for values > 4 GB. Use 64 bits floats instead, those
should last us a while.
Fixes: https://github.com/nodejs/node/issues/10185
PR-URL: https://github.com/nodejs/node/pull/10186
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Evan Lucas <evanlucas@me.com>
src: Add does_zap_garbage, malloced_memory and
peak_malloced_memory to v8 HeapStatistics
Following https://github.com/nodejs/code-and-learn/issues/56 I
have exposed does_zap_garbage to HeapStatistics.
The other fields, malloced_memory and peak_malloced_memory don't
seem to be in the current version of v8 in master.
PR-URL: https://github.com/nodejs/node/pull/8610
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
PR-URL: https://github.com/nodejs/node/pull/7990
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Brian White <mscdex@mscdex.net>
Reviewed-By: Minwoo Jung <jmwsoft@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com>
This patch fixes all the linter errors.
PR-URL: https://github.com/nodejs/node/pull/6105
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Provide means to inspect information about the separate heap spaces
via a callable API. This is helpful to analyze memory issues.
Fixes: https://github.com/nodejs/node/issues/2079
PR-URL: https://github.com/nodejs/node/pull/4463
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
v8 introduced the new flag `total_available_size` in version 4.4
and upwards. This flag is now available on `v8.getHeapStatistics`
with the name `total_available_size`. It contains the total
available heap size of v8.
Introduced with commit: v8/v8-git-mirror@0a1352a7
PR-URL: https://github.com/nodejs/io.js/pull/2348
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Upgrade the bundled V8 and update code in src/ and lib/ to the new API.
Notable backwards incompatible changes are the removal of the smalloc
module and dropped support for CESU-8 decoding. CESU-8 support can be
brought back if necessary by doing UTF-8 decoding ourselves.
This commit includes https://codereview.chromium.org/1192973004 to fix
a build error on python 2.6 systems. The original commit log follows:
Use optparse in js2c.py for python compatibility
Without this change, V8 won't build on RHEL/CentOS 6 because the
distro python is too old to know about the argparse module.
PR-URL: https://github.com/nodejs/io.js/pull/2022
Reviewed-By: Rod Vagg <rod@vagg.org>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Calling v8.setFlagsFromString with e.g a function as a flag argument
gave no exception or warning that the function call will fail.
There is now an exception if the function gets called with the wrong
flag type (string is required) or that a flag is expected.
Other APIs already provide exceptions if the argument has not the
expected type.
PR-URL: https://github.com/iojs/io.js/pull/1652
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Since setting object properties in C++ can be slow, pass
data to JS using preallocated smalloc buffer and create
object in JS instead.
PR-URL: https://github.com/iojs/io.js/pull/469
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
The copyright and license notice is already in the LICENSE file. There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
Remove the 'gc' event from the v8 module and remove the supporting
infrastructure from src/. It gets the axe because:
1. There are currently no users. It was originally conceived as
an upstreamed subset of StrongLoop's strong-agent GC metrics,
but the strong-agent code base has evolved considerably since
that time and has no use anymore for what is in core.
2. The implementation is not quite sound. It calls into JS land
from inside the GC epilog and that is unsafe. We could fix
that by delaying the callback until a safe time but because
there are no users anyway, removing it is all around easier.
PR-URL: https://github.com/iojs/io.js/pull/174
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
Attach the per-context execution environment directly to API functions.
Rationale:
* Gets node one step closer to multi-isolate readiness.
* Avoids multi-context confusion, e.g. when the caller and callee live
in different contexts.
* Avoids expensive calls to pthread_getspecific() on platforms where
V8 does not know how to use the thread-local storage directly.
(Linux, the BSDs.)
PR-URL: https://github.com/node-forward/node/pull/18
Reviewed-By: Fedor Indutny <fedor@indutny.com>
API callback functions don't need to create a v8::HandleScope instance
because V8 already creates one in the JS->C++ adapter frame.
PR-URL: https://github.com/node-forward/node/pull/16
Reviewed-By: Fedor Indutny <fedor@indutny.com>
Replace the CONTAINER_OF macro with a template function that is as
type-safe as a reinterpret_cast<> of an arbitrary pointer can be made.
Signed-off-by: Fedor Indutny <fedor@indutny.com>
Add a new 'tracing' module with a v8 property that lets the user
register listeners for gc events. The listeners are invoked after
every garbage collection cycle with 'before' and 'after' statistics.
Useful for monitoring tools that want to keep track of memory usage.
James M Snell
Andres Suarez
Ben Noordhuis
Gareth Ellis
Haojian Wu
Sakthipriyan Vairamani
Ben Ripkens
Michaël Zasso
Roman Klauke
Vladimir Kurchatkin
isaacs
Fedor Indutny