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| author | Jeffrey Yasskin <jyasskin@google.com> | 2009-07-10 21:08:20 +0000 |
|---|---|---|
| committer | Jeffrey Yasskin <jyasskin@google.com> | 2009-07-10 21:08:20 +0000 |
| commit | 1fa7e521c90a90c4d2b07dfa75fba75708b34b1c (patch) | |
| tree | cc36f28605ec5b69c13d845ae6b3d555b5f44fe4 /include/llvm/ExecutionEngine | |
| parent | 7a975f824470f7d8394795e275441f849f7a4c66 (diff) | |
| download | external_llvm-1fa7e521c90a90c4d2b07dfa75fba75708b34b1c.zip external_llvm-1fa7e521c90a90c4d2b07dfa75fba75708b34b1c.tar.gz external_llvm-1fa7e521c90a90c4d2b07dfa75fba75708b34b1c.tar.bz2 | |
Add a --with-oprofile flag to configure, which uses OProfile's agent
library to tell it the addresses of JITted functions. For a
particular program, this changes the opreport -l output from:
samples % image name symbol name
48182 98.9729 anon (tgid:19412 range:0x7f12ccaab000-0x7f12cdaab000) anon (tgid:19412 range:0x7f12ccaab000-0x7f12cdaab000)
11 0.0226 libstdc++.so.6.0.9 /usr/lib/libstdc++.so.6.0.9
to:
samples % image name symbol name
24565 60.7308 19814.jo fib_left
15365 37.9861 19814.jo fib_right
22 0.0544 ld-2.7.so do_lookup_x
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75279 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/ExecutionEngine')
| -rw-r--r-- | include/llvm/ExecutionEngine/JITEventListener.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/llvm/ExecutionEngine/JITEventListener.h b/include/llvm/ExecutionEngine/JITEventListener.h index dd76f26..7d42284 100644 --- a/include/llvm/ExecutionEngine/JITEventListener.h +++ b/include/llvm/ExecutionEngine/JITEventListener.h @@ -52,7 +52,9 @@ public: virtual void NotifyFreeingMachineCode(const Function &F, void *OldPtr) {} }; +// These return NULL if support isn't available. JITEventListener *createMacOSJITEventListener(); +JITEventListener *createOProfileJITEventListener(); } // end namespace llvm. |