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c712e962b6
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Mike Klein c712e962b6 poor man's contention profiler 
When enabled this dumps a stack when an SkSpinlock is contended:

    out/skottie_tool(_ZN10SkSpinlock16contendedAcquireEv+0x1d)[0xa14d81]
    out/skottie_tool(_ZN13SkStrikeCache10attachNodeEPNS_4NodeE+0x21)[0x7274d3]
    out/skottie_tool(_ZN21SkGlyphRunListPainter19drawForBitmapDeviceERK14SkGlyphRunListRK8SkMatrixPKNS_19BitmapDevicePainterE+0x570)[0x9f83c2]
    out/skottie_tool(_ZN14SkBitmapDevice16drawGlyphRunListERK14SkGlyphRunList+0x47)[0x9d8f0d]
    out/skottie_tool(_ZN17SkGlyphRunBuilder12drawTextBlobERK7SkPaintRK10SkTextBlob7SkPointP12SkBaseDevice+0x1eb)[0x6d9c59]
    out/skottie_tool(_ZN8SkCanvas14onDrawTextBlobEPK10SkTextBlobffRK7SkPaint+0xf9)[0x6c9cff]
    out/skottie_tool(_ZN8SkCanvas12drawTextBlobEPK10SkTextBlobffRK7SkPaint+0xff)[0x6c9f3d]
    out/skottie_tool(_ZNK4sksg4Draw8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0x74)[0xcdba5c]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK4sksg15TransformEffect8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0x82)[0xce5e2e]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK4sksg5Group8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0xf0)[0xcdd11c]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK4sksg15TransformEffect8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0x82)[0xce5e2e]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK4sksg10ClipEffect8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0x5d)[0xcda27f]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK4sksg11ColorFilter8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0x86)[0xcda4b6]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK4sksg15TransformEffect8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0x82)[0xce5e2e]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK7skottie8internal16MotionBlurEffect29renderToRaster8888Pow2SamplesEP8SkCanvasPKN4sksg10RenderNode13RenderContextE+0x18e)[0x6ab7d8]
    out/skottie_tool(_ZNK7skottie8internal16MotionBlurEffect8onRenderEP8SkCanvasPKN4sksg10RenderNode13RenderContextE+0xfe)[0x6abbba]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK4sksg5Group8onRenderEP8SkCanvasPKNS_10RenderNode13RenderContextE+0xf0)[0xcdd11c]
    out/skottie_tool(_ZNK4sksg10RenderNode6renderEP8SkCanvasPKNS0_13RenderContextE+0x46)[0xce3e08]
    out/skottie_tool(_ZNK7skottie9Animation6renderEP8SkCanvasPK6SkRectj+0x166)[0x691a78]
    out/skottie_tool[0x688aca]
    out/skottie_tool[0x6886fb]
    out/skottie_tool[0x72bc3e]
    out/skottie_tool(_ZN12SkThreadPoolI8SkTArrayISt8functionIFvvEELb0EEE7do_workEv+0xe5)[0x6d4d63]
    out/skottie_tool(_ZN12SkThreadPoolI8SkTArrayISt8functionIFvvEELb0EEE4LoopEPv+0x28)[0x6d4a94]
    /lib/x86_64-linux-gnu/libstdc++.so.6(+0xbbb2f)[0x7fbec2880b2f]
    /lib/x86_64-linux-gnu/libpthread.so.0(+0x7c73)[0x7fbec2547c73]
    /lib/x86_64-linux-gnu/libc.so.6(clone+0x3f)[0x7fbec1568def]

Change-Id: I32ce3b0d47a07b8b03a64539962a31a2bab89af9
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/244117
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>
2019-09-25 15:35:32 +00:00
animations first cut at a checkbox 2009-10-21 19:41:10 +00:00
bench Revert "add guard to switch to SkPathTypes" 2019-09-14 19:13:44 +00:00
bin Add bin/try-clients to trigger client tryjobs 2019-06-11 16:55:53 +00:00
build_overrides Update to Dawn ToT. 2019-07-22 16:20:36 +00:00
dm Simplify GPUSink constructors by just passing the config object 2019-09-09 18:12:18 +00:00
docker Add env vars to cloudbuild.yaml to enable vpython for depot_tools. 2019-09-06 16:59:15 +00:00
docs/examples make rectcontour and nestedrects private 2019-09-13 00:17:49 +00:00
example Revert "add guard to switch to SkPathTypes" 2019-09-14 19:13:44 +00:00
experimental Added functions supporting a resource view for images in the debugger. 2019-09-20 14:39:41 +00:00
fuzz added support for user-defined functions to GrSKSLFP 2019-09-20 17:13:57 +00:00
gm Limit sigma for software blurs 2019-09-24 14:00:36 +00:00
gn Compile CanvasKit without -fPIC, for latest emscripten compatibility. 2019-09-24 20:19:02 +00:00
include Use safe computation for adding up YUVASizeInfo total bytes 2019-09-23 20:55:28 +00:00
infra Roll recipe dependencies (trivial). 2019-09-25 01:22:38 +00:00
modules [skottie] Disable skottie_tool on iOS 2019-09-24 22:27:10 +00:00
platform_tools android_gdbserver: Don't fail when trying to locate nonexistent files 2019-09-16 16:28:33 +00:00
resources Particles: Sub-effect spawning and some slight refactoring 2019-09-19 15:18:13 +00:00
samplecode Revert "add guard to switch to SkPathTypes" 2019-09-14 19:13:44 +00:00
site Add comment explaining that using mirrors might break git cl. 2019-09-24 19:58:02 +00:00
specs [img-decode] Start on proposed new spec 2019-05-06 17:39:19 +00:00
src poor man's contention profiler 2019-09-25 15:35:32 +00:00
tests Add check_mipmaps subtest to BackendAllocation test 2019-09-24 21:12:12 +00:00
third_party Roll third_party/externals/angle2 6c4ff5ddab07..8be7a4c7f738 (12 commits) 2019-09-23 15:11:24 +00:00
tools When precompiling SkSL, avoid the need to re-link 2019-09-24 20:32:32 +00:00
.clang-format restore .clang-format 2019-03-21 15:52:32 +00:00
.clang-tidy add google-build-namespaces to clang-tidy checks 2018-12-12 16:33:59 +00:00
.gitignore clean up some .gitignores 2019-05-15 19:55:45 +00:00
.gn Basic standalone GN configs. 2016-07-21 12:25:45 -07:00
AUTHORS Fix Metal includes breaking macOS local builds 2019-07-08 14:02:47 +00:00
BUILD.gn Move is_orientation_marker into its own file 2019-09-24 17:08:03 +00:00
codereview.settings Make uploading to Gerrit the default for Skia 2016-11-09 19:07:56 +00:00
CONTRIBUTING Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
CQ_COMMITTERS Moved committer list to chrome-infra-auth and deleted it from the repo 2015-09-02 13:37:54 -07:00
DEPS Roll third_party/externals/angle2 6d625bfe6e8a..ba04be8c9ef9 (9 commits) 2019-09-25 05:38:44 +00:00
go.mod Update Go deps 2019-09-25 05:27:14 +00:00
go.sum Update Go deps 2019-09-25 05:27:14 +00:00
LICENSE BUG=skia:5602 2016-09-02 11:19:34 -07:00
OWNERS add OWNERS file 2017-12-01 19:50:19 +00:00
PRESUBMIT.py rewrite_includes.py: make it work on windows 2019-08-05 16:14:35 +00:00
public.bzl remove SkPicture_none.cpp 2019-08-16 14:52:25 +00:00
README Fix references to https://sites.google.com/site/skiadocs/. 2015-02-03 13:12:54 -02:00
README.chromium Update README.chromium. 2015-06-11 13:19:24 -07:00
RELEASE_NOTES.txt Set up prototype interface for MakeFromCAMetalLayer 2019-09-19 17:37:00 +00:00
whitespace.txt Whitespace test 2019-05-18 13:05:29 +00:00

README 

Skia is a complete 2D graphic library for drawing Text, Geometries, and Images.

See full details, and build instructions, at https://skia.org.