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  13. 09 Mar, 2015 1 commit
    • loislo's avatar
      CpuProfiler: fix for GetDeoptReason code. · 66ab309e
      loislo authored 
      The original code always returned the first entry from RelocInfo that matched with
bailout_id. But we may have a few different deopt reasons for one bailout_id.
So we need to get the one which matches with a particular call from JumpTable.

We can do this by checking not 'target_address' (it maps to bailout_id)
but 'from' address which maps to a particular JumpTable entry.

The test was reworked so it tests identical functions against different reasons.

BUG=chromium:452067
LOG=n

Review URL: https://codereview.chromium.org/984773003

Cr-Commit-Position: refs/heads/master@{#27076}
      66ab309e
  15. 03 Mar, 2015 1 commit
    • sejunho's avatar
      Fix preparing log file name. · a6f5fca5
      sejunho authored 
      Problem:
Excuting with flags as "--prof --logfile-per-isolate --logfile=/path/to/filename"
expected file name: /path/to/isolate-<isolate id>-filename
current result: isolate-<isolate id>-/path/to/filename

This patch makes the file name we expected.

Review URL: https://codereview.chromium.org/960813004

Cr-Commit-Position: refs/heads/master@{#26955}
      a6f5fca5
  17. 26 Feb, 2015 1 commit
  19. 20 Feb, 2015 1 commit
    • loislo's avatar
      CpuProfiler: eliminate cpu-profiler dependency from heap-inl.h · 8ba89cce
      loislo authored 
      We accessed to cpu_profiler for tracking SharedFunctionInfo objects movements and used their addresses for generating function_id. Actually we could replace the manually generated shared_id by the pair script_id + position. In this case we can drop SharedFunctionInfo events support from cpu_profiler and remove the dependency.

BTW GetCallUid was used as an unique identifier of the function on the front-end side. Actually it is a hash which might not be unique. So I renamed GetCallUid with GetHash and implemented GetFunctionId method.

BUG=452067
LOG=n

Review URL: https://codereview.chromium.org/941973002

Cr-Commit-Position: refs/heads/master@{#26775}
      8ba89cce
  21. 10 Feb, 2015 1 commit
    • loislo's avatar
      Propagate DeoptInfo to cpu-profiler · 86cae163
      loislo authored 
      1) Deoptimizer::Reason was replaced with Deoptimizer::DeoptInfo
because it also has raw position. Also the old name clashes with DeoptReason enum.

2) c_entry_fp assignment call was added to EntryGenerator::Generate
So we can calculate sp and have a chance to record the stack for the deopting function.
btw it makes the test stable.

3) new kind of CodeEvents was added to cpu-profiler

4) GetDeoptInfo method was extracted from PrintDeoptLocation.
So it could be reused in cpu profiler.

BUG=452067
LOG=n

Review URL: https://codereview.chromium.org/910773002

Cr-Commit-Position: refs/heads/master@{#26545}
      86cae163
  23. 30 Jan, 2015 3 commits
  25. 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
  27. 16 Jan, 2015 1 commit
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