1. 01 Apr, 2020 1 commit
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  6. 20 Jan, 2015 1 commit
    • jkummerow's avatar
      Profiler improvements · feffccca
      jkummerow authored
      (1) --prof-cpp: Collects ticks like --prof, but ignores code creation events to reduce distortion (so all JS ticks will be "unaccounted"). Useful for profiling C++ code.
      (2) --timed-range flag for tick processor: Ignores ticks before the first and after the last call to Date.now(). Useful for focusing on the timed section of a test.
      
      Review URL: https://codereview.chromium.org/802333002
      
      Cr-Commit-Position: refs/heads/master@{#26168}
      feffccca
  7. 17 Oct, 2014 1 commit
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    • mikhail.naganov@gmail.com's avatar
      Fix issue 553: function frame is skipped in profile when compare stub is called. · 999e3fca
      mikhail.naganov@gmail.com authored
      The problem appeared due to a fact that stubs doesn't create a stack
      frame, reusing the stack frame of the caller function. When building
      stack traces, the current function is retrieved from PC, and its
      callees are retrieved by traversing the stack backwards. Thus, for
      stubs, the stub itself was discovered via PC, and then stub's caller's
      caller was retrieved from stack.
      
      To fix this problem, a pointer to JSFunction object is now captured
      from the topmost stack frame, and is saved into stack trace log
      record. Then a simple heuristics is applied whether a referred
      function should be added to decoded stack, or not, to avoid reporting
      the same function twice (from PC and from the pointer.)
      
      BUG=553
      TEST=added to mjsunit/tools/tickprocessor
      
      Review URL: http://codereview.chromium.org/546089
      
      git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3673 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
      999e3fca
  13. 17 Aug, 2009 1 commit
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