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7 Commits

Author SHA1 Message Date
Johnny Chen a9e77784e0 Move some print stmts to the test method, where they get printed only if the test is qualified to run 
under the current test driver run configuration.

llvm-svn: 146320
 2011-12-10 07:18:11 +00:00
Johnny Chen 1669f67776 Modified the script to have the flexibility of specifying the gdb executable path 
for use in the benchmark against lldb's disassembly speed.  Note that the lldb
executable path can already be specified using the LLDB_EXEC env variable.

rdar://problem/7511194

llvm-svn: 146050
 2011-12-07 19:27:06 +00:00
Johnny Chen edb677c3c7 Fix wrong directory name. 
llvm-svn: 142629
 2011-10-21 01:09:29 +00:00
Johnny Chen 38f9daa303 Parameterize the iteration count used when running benchmarks, instead of hard-coded inside the test case. 
Add a '-y count' option to the test driver for this purpose.  An example:

 $  ./dotest.py -v -y 25 +b -p TestDisassembly.py

...

----------------------------------------------------------------------
Collected 2 tests

1: test_run_gdb_then_lldb (TestDisassembly.DisassembleDriverMainLoop)
   Test disassembly on a large function with lldb vs. gdb. ... 
gdb benchmark: Avg: 0.226305 (Laps: 25, Total Elapsed Time: 5.657614)
lldb benchmark: Avg: 0.113864 (Laps: 25, Total Elapsed Time: 2.846606)
lldb_avg/gdb_avg: 0.503146
ok
2: test_run_lldb_then_gdb (TestDisassembly.DisassembleDriverMainLoop)
   Test disassembly on a large function with lldb vs. gdb. ... 
lldb benchmark: Avg: 0.113008 (Laps: 25, Total Elapsed Time: 2.825201)
gdb benchmark: Avg: 0.225240 (Laps: 25, Total Elapsed Time: 5.631001)
lldb_avg/gdb_avg: 0.501723
ok

----------------------------------------------------------------------
Ran 2 tests in 41.346s

OK

llvm-svn: 142598
 2011-10-20 18:43:28 +00:00
Johnny Chen ebe51726b8 If we spawn an lldb process for test (via pexpect), do not load the init file unless told otherwise. 
Set up self.lldbOption to be "--no-lldbibit" unless env variable NO_LLDBIBIT is defined and equals "NO".
Also add "-nx" to gdb spawned.

llvm-svn: 141384
 2011-10-07 19:21:09 +00:00
Johnny Chen d890bfc962 Add a new attribute self.lldbHere, representing the fullpath to the 'lldb' executable 
built locally from the source tree.  This is distinguished from self.lldbExec, which
can be used by test/benchmarks to measure the performances against other debuggers.

You can use environment variable LLDB_EXEC to specify self.lldbExec to the dotest.py
test driver, otherwise it is going to be populated with self.lldbHere.

Modify the regular tests under test dir, i.e., not test/benchmarks, to use self.lldbHere.
Also modify the benchmarks tests to use self.lldbHere when it needs an 'lldb' executable
with debug info to do the performance measurements.

llvm-svn: 138608
 2011-08-26 00:00:01 +00:00
Johnny Chen e464282f29 Add a benchmark comparing lldb vs. gdb with disassembly on a large function (lldb's Driver::MainLoop()). 
Sample run on my OSX Lion (MacBook Pro):

1: test_run_gdb_then_lldb (TestDisassembly.DisassembleDriverMainLoop)
   Test disassembly on a large function with lldb vs. gdb. ... 
gdb benchmark: Avg: 0.201802 (Laps: 5, Total Elapsed Time: 1.009008)
lldb benchmark: Avg: 0.109569 (Laps: 5, Total Elapsed Time: 0.547843)
lldb_avg/gdb_avg: 0.542952
ok
2: test_run_lldb_then_gdb (TestDisassembly.DisassembleDriverMainLoop)
   Test disassembly on a large function with lldb vs. gdb. ... 
lldb benchmark: Avg: 0.109580 (Laps: 5, Total Elapsed Time: 0.547902)
gdb benchmark: Avg: 0.201587 (Laps: 5, Total Elapsed Time: 1.007936)
lldb_avg/gdb_avg: 0.543588
ok

llvm-svn: 136931
 2011-08-04 22:01:21 +00:00