Added the capability of looking up JIT symbols for perf

Moved Oprofile Wrapper, implemented RegisterJITEventListener and NotifyFinalized

Added PerfJITEventListener as an LLVM Patch

Added IntelJITEventListener Support

Added LLVM Patch, removed redundant Oprofile code, wipe blanklines, Register OProfile JITEvent, fixed oprofile compile flag, rebased llvm 6.0 checksums

Added Perf profiling support as an LLVM patch.

.gitignore

@@ -4,6 +4,7 @@
 /dist-extras
 /julia
 /usr
+/oprofile_data
 /usr-staging
 /Make.user
 /julia-*
@@ -24,4 +25,5 @@
 *.jl.mem
 *.ji
 
+/perf*
 .DS_Store

Make.inc

@@ -72,6 +72,9 @@ endif
 # Set to 1 to enable profiling with OProfile
 USE_OPROFILE_JITEVENTS ?= 0
 
+# Set to 1 to enable profiling with perf
+USE_PERF_JITEVENTS ?= 0
+
 # libc++ is standard on OS X 10.9, but not for earlier releases
 USE_LIBCPP := 0
 
@@ -1067,6 +1070,12 @@ ifeq ($(DISABLE_LIBUNWIND), 1)
 JCPPFLAGS += -DJL_DISABLE_LIBUNWIND
 endif
 
+# perf
+ifeq ($(USE_PERF_JITEVENTS), 1)
+JCPPFLAGS += -DJL_USE_PERF_JITEVENTS
+endif
+
+
 # Intel libraries
 
 ifeq ($(USE_INTEL_LIBM), 1)

deps/llvm.mk

@@ -98,6 +98,10 @@ ifeq ($(USE_OPROFILE_JITEVENTS), 1)
 LLVM_CMAKE += -DLLVM_USE_OPROFILE:BOOL=ON
 endif # USE_OPROFILE_JITEVENTS
 
+ifeq ($(USE_PERF_JITEVENTS), 1)
+	LLVM_CMAKE += -DLLVM_USE_PERF:BOOL=ON
+endif # USE_PERF_JITEVENTS
+
 ifeq ($(BUILD_LLDB),1)
 ifeq ($(USECLANG),0)
 LLVM_CXXFLAGS += -std=c++0x
@@ -494,6 +498,8 @@ $(eval $(call LLVM_PATCH,llvm-rL332302)) # remove for 7.0
 $(eval $(call LLVM_PATCH,llvm-rL332694)) # remove for 7.0
 $(eval $(call LLVM_PATCH,llvm-rL327898)) # remove for 7.0
 $(eval $(call LLVM_PATCH,llvm-6.0-DISABLE_ABI_CHECKS))
+$(eval $(call LLVM_PATCH,llvm-OProfile-line-num))
+$(eval $(call LLVM_PATCH,llvm-D44892-Perf-integration))
 endif # LLVM_VER
 
 # Remove hardcoded OS X requirements in compilter-rt cmake build