10835 2006-09-13 06:05:47 -0700 REGRESSION: LOTS of SVG-related leaks 2006-09-15 16:49:28 -0700 1 1 1 Unclassified WebKit SVG 420+ Mac OS X 10.4 RESOLVED FIXED P1 Critical --- 1 mrowe zimmermann zimmermann oldest_to_newest 55388 0 mrowe 2006-09-13 06:05:47 -0700 Buildbot indicates that the leaks originated with <http://build.webkit.org/post-commit-leaks-powerpc-mac-os-x/builds/2515>, which corresponds to revision 16308. Revision 16308 is the fix for bug 10750, "SVG needs SVGAnimatedTypeNamePropertyName<ClassName> classes" 55403 1 10529 zimmermann 2006-09-13 08:42:46 -0700 Created attachment 10529 Initial patch This should fix the mem leaks we've been seeing recently. Though I have no idea wheter all of them are fixed, because if I run run-webkit-tests --leaks, _no_ SVG related memory leaks are shown, before and after this patch. No idea why. But it's quite clear that there are memory leaks in SVGList's which reference ptr objects. This patch fixes that. 55411 2 zimmermann 2006-09-13 09:58:12 -0700 If anyone takes a look at the patch, please read this first :-) I orignally had clearVector() a non-const method, and it didn't take the Vector<Item> param. I planned to make m_vector protected and access it from SVGList::clearVector, though that never compiled. Anyone can enlighten me why? 55448 3 10529 eric 2006-09-13 14:41:01 -0700 Comment on attachment 10529 Initial patch This could be done in a cleaner fashion using a Vector of RefPtrs and pointer-specialization in the SVGList template (similar to how hashtraits is constructed). But this is OK as is, and it's good to get this landed to get the leaks fixed. r=me 55496 4 mrowe 2006-09-14 06:14:57 -0700 This patch did not appear to fix the memory leaks. <http://build.webkit.org/results/post-commit-leaks-powerpc-mac-os-x/2541/DumpRenderTree5-leaks.txt> contains the leaks output from the most recent buildbot build, and indicates leaks under SVGPathElement::createSVGPathSegCurvetoCubicAbs, SVGTransformable::parseTransformAttribute and SVGLengthList::parse. Nikolas, are you testing for leaks with a debug build? In release builds I believe we use a custom memory allocator which will circumvent the `leaks' tools check for memory leaks. 55508 5 zimmermann 2006-09-14 09:26:13 -0700 Hi Mark, > leaks under SVGPathElement::createSVGPathSegCurvetoCubicAbs, > SVGTransformable::parseTransformAttribute and SVGLengthList::parse. > > Nikolas, are you testing for leaks with a debug build? In release builds I > believe we use a custom memory allocator which will circumvent the `leaks' > tools check for memory leaks. Hah! That's it! I used release builds on osx, as I do actual debugging within Linux - well, now that's really stupid... Will try with a debug build later on today... Thanks a lot, Niko 55604 6 10578 zimmermann 2006-09-15 12:33:20 -0700 Created attachment 10578 Updated patch Now that I can finally check for leaks locally on osx, I could really fix them. It's done in a much better way now - new SVGListTraits class which is modelled after WTF::VectorTraits which makes virtual functions unneccessary and removes the SVGListBase base class. Down to 2 leaks again. No regressions. 55611 7 10578 eric 2006-09-15 14:40:55 -0700 Comment on attachment 10578 Updated patch This could be done cleaner, without having to modify the generator, or having getFirst() etc, return a RefPtr (instead of a raw pointer). Given how many leaks the existing code causes, I think it's worth landing this now, and filling a follow-up bug about cleanup. 55623 8 mrowe 2006-09-15 16:49:28 -0700 Landed as r16378. 10529 2006-09-13 08:42:46 -0700 2006-09-15 12:33:20 -0700 Initial patch mem-leak-fixes.diff text/plain 3453 zimmermann SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFdlYkNvcmUvQ2hhbmdlTG9n CShSZXZpc2lvbiAxNjM0MikKKysrIFdlYkNvcmUvQ2hhbmdlTG9nCShBcmJlaXRza29waWUpCkBA IC0xLDMgKzEsMTkgQEAKKzIwMDYtMDktMTMgIE5pa29sYXMgWmltbWVybWFubiAgPHppbW1lcm1h bm5Aa2RlLm9yZz4KKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAg ICAgICBGaXggbmV3bHkgaW50cm9kdWNlZCBtZW1vcnkgbGVha3MgaW4gU1ZHLiBUaGFua3MgdG8g YWxsIHBlb3BsZSBub3RpY2luZyEKKworICAgICAgICAqIGtzdmcyL3N2Zy9TVkdMaXN0Lmg6Cisg ICAgICAgIChXZWJDb3JlOjpTVkdMaXN0QmFzZTo6flNWR0xpc3RCYXNlKToKKyAgICAgICAgKFdl YkNvcmU6OlNWR0xpc3RCYXNlOjpjbGVhclZlY3Rvcik6CisgICAgICAgIChXZWJDb3JlOjpTVkdM 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