diff options
author | Chris Lattner <sabre@nondot.org> | 2003-10-28 22:11:31 +0000 |
---|---|---|
committer | Chris Lattner <sabre@nondot.org> | 2003-10-28 22:11:31 +0000 |
commit | ad910ebe70644040701f8f39fd96eed78ca2ed23 (patch) | |
tree | 3bcea5604010c9ee18fd6742cc7278eec6d84760 /utils | |
parent | 33f1ca7d8a86ce4933e89ddb6671924b3ec03923 (diff) | |
download | external_llvm-ad910ebe70644040701f8f39fd96eed78ca2ed23.zip external_llvm-ad910ebe70644040701f8f39fd96eed78ca2ed23.tar.gz external_llvm-ad910ebe70644040701f8f39fd96eed78ca2ed23.tar.bz2 |
Helper script for collecting profiling instrumentation. Simply run
$ profile.pl foo.bc <args>
... to instrument, run, then print a program profile!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@9560 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils')
-rwxr-xr-x | utils/profile.pl | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/utils/profile.pl b/utils/profile.pl new file mode 100755 index 0000000..27bfd71 --- /dev/null +++ b/utils/profile.pl @@ -0,0 +1,44 @@ +#!/usr/bin/perl -w +# +# Program: profile.pl +# +# Synopsis: Insert instrumentation code into a program, run it with the JIT, +# then print out a profile report. +# +# Syntax: profile.pl [OPTIONS] bytecodefile <arguments> +# +# OPTIONS may include one or more of the following: +# NONE SO FAR +# +# + + +my $ProfilePass = "-insert-function-profiling"; + +# Parse arguments... +while (scalar(@ARGV) and ($_ = $ARGV[0], /^[-+]/)) { + shift; + last if /^--$/; # Stop processing arguments on -- + + # List command line options here... + #if (/^-enable-foo$/) { $FOO = 1; next; } + + print "Unknown option: $_ : ignoring!\n"; +} + +die "Must specify LLVM bytecode file as first argument!" if (@ARGV == 0); + +my $BytecodeFile = $ARGV[0]; + +shift @ARGV; + +my $LLIPath = `which lli`; +$LLIPath = `dirname $LLIPath`; +chomp $LLIPath; + +my $LibProfPath = $LLIPath . "/../../lib/Debug/libprofile_rt.so"; + +system "opt $ProfilePass < $BytecodeFile | lli -load $LibProfPath - " . + (join ' ', @ARGV); + +system "llvm-prof $BytecodeFile"; |