Commits on Oct 4, 2018

1. deps: V8: backport 20 CPU profiler commits from upstream …

   [cpu-profiler] Fix bugs and add tests for JITLineInfoTable
   https://chromium.googlesource.com/v8/v8/+/4feb5ce7fd5ef8c933f3f5dff2eca1173f85c1e9
   
   [cpu-profiler] Fix incorrect line number calculation.
   https://chromium.googlesource.com/v8/v8/+/ddb2856f39632f9e9f623d3cdb4600e636172031
   
   [cpu-profiler] Use std::unordered_map for hashmaps.
   https://chromium.googlesource.com/v8/v8/+/35985ce6abc80b85264fe3b87b246fed5f1806e6
   
   [cpu-profiler] Do not store CodeEntries between profiling sessions.
   https://chromium.googlesource.com/v8/v8.git/+/8ec48b2117b8092c4956f1ee11a0c85bec3ba1f8
   
   [cpu-profiler] Remove name_prefix field from CodeEntry
   https://chromium.googlesource.com/v8/v8.git/+/6f72af25fe43218b60c68129073ddcddb631566e
   
   [cpu-profiler] Extract rare used fields of CodeEntry to an optional object.
   https://chromium.googlesource.com/v8/v8.git/+/fcc1ebb55aab38013855834f556f6e874e0eb8b3
   
   [profiler] Refactoring: decouple StringsStorage from Heap object.
   https://chromium.googlesource.com/v8/v8/+/a31320f59c911a277566d6c2fa0b0f2ac83e0748
   
   [cpu-profiler] Add a HandleScope to limit memory consumption.
   https://chromium.googlesource.com/v8/v8.git/+/3e9f8a4f635e2d946651d6a4df81378266f32dc9
   
   [cpu-profiler] Lazily create CPU profiler.
   https://chromium.googlesource.com/v8/v8/+/1426ea1d6d45be0b4d9476bdb5bf3f27cfe578a0
   
   [cpu-profiler] turn several std::map's into unordered_map's.
   https://chromium.googlesource.com/v8/v8/+/3ed5dfb8a3cbc7aa0017bd01c2fdd6227485b8ad
   
   [cpu-profiler] Eagerly delete not used CodeEntry'es
   https://chromium.googlesource.com/v8/v8.git/+/c6c28f7a412a88df12055e953630a9e93cc64d49
   
   [cpu-profiler] Move bailout reason into rare_info struct
   https://chromium.googlesource.com/v8/v8.git/+/29ea4d1ef5360e71c61ecf8db6a5a0a0c3391fd1
   
   [cpu-profiler] Save space in the SourcePositionTable by using a vector.
   https://chromium.googlesource.com/v8/v8.git/+/1cb19f0e0a93adbac8c11bc906f951bd8098722d
   
   [cpu-profiler] Only store deopt inline frames for functions that need it
   https://chromium.googlesource.com/v8/v8.git/+/0bfcbdd4726920755e51dab28c18ab93e050819b
   
   [cpu-profiler] Add a new profiling mode with a more detailed call tree.
   https://chromium.googlesource.com/v8/v8.git/+/ecae80cdb350dde1e654c531b56f5b6c44dc8c77
   
   [cpu-profiler] Reuse free slots in code_entries_
   https://chromium.googlesource.com/v8/v8.git/+/3e1126bf15e62c433c4e9cb21316d182f691c63a
   
   [cpu-profiler] Use instruction start as the key for the CodeMap
   https://chromium.googlesource.com/v8/v8.git/+/ba752ea4c50713dff1e94f45a79db3ba968a8d66
   
   [cpu-profiler] Add flag to always generate accurate line info.
   https://chromium.googlesource.com/v8/v8/+/56baf56790de439b3f69e887e94beb3b301ed77c
   
   [cpu-profiler] Turn on detailed line info for optimized code
   https://chromium.googlesource.com/v8/v8/+/84894ce6d2af7feb9e1f5574409355120887326c
   
   [cpu-profiler] Separate the flags for generating extra line information
   https://chromium.googlesource.com/v8/v8/+/30ff6719db441cc7ef220d449970cc169067e256

   

   psmarshall committed Oct 4, 2018
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   79bacf9 View commit details

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