Directory renaming: example -> expression.
llvm-svn: 142601
This commit is contained in:
Johnny Chen
parent
38f9daa303
commit
f4ca4b5f57
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@ -1,5 +0,0 @@
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LEVEL = ../../make
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CXX_SOURCES := main.cpp
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include $(LEVEL)/Makefile.rules
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@ -1,133 +0,0 @@
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"""Test evaluating expressions repeatedly comparing lldb against gdb."""
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import os, sys
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import unittest2
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import lldb
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import pexpect
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from lldbbench import *
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class RepeatedExprsCase(BenchBase):
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mydir = os.path.join("benchmarks", "example")
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def setUp(self):
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BenchBase.setUp(self)
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self.source = 'main.cpp'
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self.line_to_break = line_number(self.source, '// Set breakpoint here.')
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self.lldb_avg = None
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self.gdb_avg = None
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self.count = lldb.bmIterationCount
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if self.count <= 0:
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self.count = 100
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@benchmarks_test
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def test_compare_lldb_to_gdb(self):
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"""Test repeated expressions with lldb vs. gdb."""
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self.buildDefault()
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self.exe_name = 'a.out'
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print
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self.run_lldb_repeated_exprs(self.exe_name, self.count)
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print "lldb benchmark:", self.stopwatch
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self.run_gdb_repeated_exprs(self.exe_name, self.count)
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print "gdb benchmark:", self.stopwatch
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print "lldb_avg/gdb_avg: %f" % (self.lldb_avg/self.gdb_avg)
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def run_lldb_repeated_exprs(self, exe_name, count):
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exe = os.path.join(os.getcwd(), exe_name)
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# Set self.child_prompt, which is "(lldb) ".
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self.child_prompt = '(lldb) '
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prompt = self.child_prompt
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# So that the child gets torn down after the test.
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self.child = pexpect.spawn('%s %s %s' % (self.lldbExec, self.lldbOption, exe))
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child = self.child
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# Turn on logging for what the child sends back.
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if self.TraceOn():
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child.logfile_read = sys.stdout
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child.expect_exact(prompt)
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child.sendline('breakpoint set -f %s -l %d' % (self.source, self.line_to_break))
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child.expect_exact(prompt)
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child.sendline('run')
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child.expect_exact(prompt)
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expr_cmd1 = 'expr ptr[j]->point.x'
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expr_cmd2 = 'expr ptr[j]->point.y'
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# Reset the stopwatch now.
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self.stopwatch.reset()
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for i in range(count):
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with self.stopwatch:
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child.sendline(expr_cmd1)
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child.expect_exact(prompt)
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child.sendline(expr_cmd2)
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child.expect_exact(prompt)
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child.sendline('process continue')
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child.expect_exact(prompt)
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child.sendline('quit')
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try:
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self.child.expect(pexpect.EOF)
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except:
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pass
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self.lldb_avg = self.stopwatch.avg()
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if self.TraceOn():
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print "lldb expression benchmark:", str(self.stopwatch)
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self.child = None
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def run_gdb_repeated_exprs(self, exe_name, count):
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exe = os.path.join(os.getcwd(), exe_name)
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# Set self.child_prompt, which is "(gdb) ".
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self.child_prompt = '(gdb) '
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prompt = self.child_prompt
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# So that the child gets torn down after the test.
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self.child = pexpect.spawn('gdb --nx %s' % exe)
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child = self.child
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# Turn on logging for what the child sends back.
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if self.TraceOn():
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child.logfile_read = sys.stdout
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child.expect_exact(prompt)
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child.sendline('break %s:%d' % (self.source, self.line_to_break))
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child.expect_exact(prompt)
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child.sendline('run')
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child.expect_exact(prompt)
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expr_cmd1 = 'print ptr[j]->point.x'
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expr_cmd2 = 'print ptr[j]->point.y'
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# Reset the stopwatch now.
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self.stopwatch.reset()
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for i in range(count):
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with self.stopwatch:
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child.sendline(expr_cmd1)
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child.expect_exact(prompt)
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child.sendline(expr_cmd2)
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child.expect_exact(prompt)
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child.sendline('continue')
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child.expect_exact(prompt)
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child.sendline('quit')
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child.expect_exact('The program is running. Exit anyway?')
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child.sendline('y')
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try:
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self.child.expect(pexpect.EOF)
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except:
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pass
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self.gdb_avg = self.stopwatch.avg()
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if self.TraceOn():
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print "gdb expression benchmark:", str(self.stopwatch)
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self.child = None
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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@ -1,51 +0,0 @@
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//===-- main.cpp ------------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <stdio.h>
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class Point {
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public:
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int x;
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int y;
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Point(int a, int b):
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x(a),
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y(b)
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{}
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};
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class Data {
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public:
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int id;
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Point point;
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Data(int i):
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id(i),
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point(0, 0)
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{}
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};
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int main(int argc, char const *argv[]) {
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Data *data[1000];
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Data **ptr = data;
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for (int i = 0; i < 1000; ++i) {
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ptr[i] = new Data(i);
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ptr[i]->point.x = i;
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ptr[i]->point.y = i+1;
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}
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printf("Finished populating data.\n");
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for (int j = 0; j < 1000; ++j) {
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bool dump = argc > 1; // Set breakpoint here.
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// Evaluate a couple of expressions (2*1000 = 2000 exprs):
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// expr ptr[j]->point.x
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// expr ptr[j]->point.y
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if (dump) {
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printf("data[%d] = %d (%d, %d)\n", j, ptr[j]->id, ptr[j]->point.x, ptr[j]->point.y);
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}
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}
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return 0;
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}
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