Martin Pelikan
ee48a509e2
[XRay] cache symbolized function names for a repeatedly queried function ID
...
Summary:
Processing 2 GB XRay traces with "llvm-xray convert -symbolize" needs to
go over each trace record and symbolize the function name refered to by
its ID. Currently this happens by asking the LLVM symbolizer code every
single time. A simple cache can save around 30 minutes of processing of
that trace.
llvm-xray's resident memory usage increased negligibly with this cache.
Reviewers: dberris
Subscribers: llvm-commits
Differential Revision: https://reviews.llvm.org/D43896
llvm-svn: 326407
2018-03-01 01:59:24 +00:00
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