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[ELF] Update release notes and man page for LLD time-trace 

Differential Revision: https://reviews.llvm.org/D79780
This commit is contained in:
Russell Gallop 2020-05-12 11:54:18 +01:00
parent 80173566f4
commit 85bb9b71b7
2 changed files with 11 additions and 0 deletions
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4
lld/docs/ReleaseNotes.rst
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@ -24,6 +24,10 @@ Non-comprehensive list of changes in this release
ELF Improvements
----------------
* New ``--time-trace`` option records a time trace file that can be viewed in
chrome://tracing. The file can be specified with ``--time-trace-file``.
Trace granularity can be specified with ``--time-trace-granularity``.
(`D71060 <https://reviews.llvm.org/D71060>`_)
* ...
Breaking changes

7
lld/docs/ld.lld.1
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@ -532,6 +532,13 @@ Number of threads.
(default) means all of concurrent threads supported.
.Cm 1
disables multi-threading.
.It Fl -time-trace
Record time trace.
.It Fl -time-trace-file Ns = Ns Ar file
Write time trace output to
.Ar file .
.It Fl -time-trace-granularity Ns = Ns Ar value
Minimum time granularity (in microseconds) traced by time profiler.
.It Fl -trace
Print the names of the input files.
.It Fl -trace-symbol Ns = Ns Ar symbol , Fl y Ar symbol