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| author | Martin Bligh <mbligh@mongodb.com> | 2015-06-29 10:14:24 -0400 |
|---|---|---|
| committer | Ramon Fernandez <ramon.fernandez@mongodb.com> | 2015-10-29 15:00:31 -0400 |
| commit | 90d0da843c44962fb1a21e368cd95fe24b25c711 (patch) | |
| tree | d6c2986301d4b32828c6f5058042e5fdcaf14a19 | |
| parent | 3f62deef2f4cccc007387b2fb061c0814ecec7c8 (diff) | |
| download | mongo-90d0da843c44962fb1a21e368cd95fe24b25c711.tar.gz | |
SERVER-10512: Add -fno-omit-frame-pointer by default
Performance overhead is so small it's not measurable, previous microbenchmarks indicate around 1% for intensive workloads.
In return we get the ability to use perf profiling and much improved debugability
(cherry picked from commit 53b6e275061c50769467924ac0737d585e667edd)
| -rw-r--r-- | SConstruct | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/SConstruct b/SConstruct index f48e870d724..069f0f1cc64 100644 --- a/SConstruct +++ b/SConstruct @@ -1074,7 +1074,8 @@ if nix: env["CXX"] = "distcc " + env["CXX"] # -Winvalid-pch Warn if a precompiled header (see Precompiled Headers) is found in the search path but can't be used. - env.Append( CCFLAGS=["-fPIC", + env.Append( CCFLAGS=["-fno-omit-frame-pointer", + "-fPIC", "-fno-strict-aliasing", "-ggdb", "-pthread", |