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Author SHA1 Message Date
Greg Clayton 4570d3eba0 Massive test suite cleanup to stop everyone from manually having to compute "mydir" inside each test case. 
This has led to many test suite failures because of copy and paste where new test cases were based off of other test cases and the "mydir" variable wasn't updated.

Now you can call your superclasses "compute_mydir()" function with "__file__" as the sole argument and the relative path will be computed for you. 

llvm-svn: 196985
 2013-12-10 23:19:29 +00:00
Johnny Chen 66d362e9bf Establish a baseline for bench.py score by using a fixed lldb executable as the 
inferior program for the lldb debugger to operate on.  The fixed lldb executable
corresponds to r142902.

Plus some minor modifications to the test benchmark to conform to way bench.py
is meant to be invoked.

llvm-svn: 143075
 2011-10-26 22:58:02 +00:00
Johnny Chen 6e5b330fb4 Add another metric for startup delay -- run to breakpoint, which measures the time from issuing 
the run command till the first breakpoint hit.  Example:

 $ ./dotest.py -v +b -n -x '-F Driver::MainLoop()' -p TestStartupDelays.py
1: test_startup_delay (TestStartupDelays.StartupDelaysBench)
   Test start up delays creating a target and setting a breakpoint. ... 
lldb startup delay (create fresh target) benchmark: Avg: 0.124496 (Laps: 30, Total Elapsed Time: 3.734883)
lldb startup delay (set first breakpoint) benchmark: Avg: 0.220828 (Laps: 30, Total Elapsed Time: 6.624847)
lldb startup delay (run to breakpoint) benchmark: Avg: 0.478159 (Laps: 30, Total Elapsed Time: 14.344774)
ok

llvm-svn: 142993
 2011-10-26 00:35:10 +00:00
Johnny Chen b8da426285 Add bench.py as a driver script to run some benchmarks on lldb. 
Add benchmarks for expression evaluations (TestExpressionCmd.py) and disassembly (TestDoAttachThenDisassembly.py).

An example:
[17:45:55] johnny:/Volumes/data/lldb/svn/trunk/test $ ./bench.py 2>&1 | grep -P '^lldb.*benchmark:'
lldb startup delay (create fresh target) benchmark: Avg: 0.104274 (Laps: 30, Total Elapsed Time: 3.128214)
lldb startup delay (set first breakpoint) benchmark: Avg: 0.102216 (Laps: 30, Total Elapsed Time: 3.066470)
lldb frame variable benchmark: Avg: 1.649162 (Laps: 20, Total Elapsed Time: 32.983245)
lldb stepping benchmark: Avg: 0.104409 (Laps: 50, Total Elapsed Time: 5.220461)
lldb expr cmd benchmark: Avg: 0.206774 (Laps: 25, Total Elapsed Time: 5.169350)
lldb disassembly benchmark: Avg: 0.089086 (Laps: 10, Total Elapsed Time: 0.890859)

llvm-svn: 142708
 2011-10-22 00:57:05 +00:00
Johnny Chen 99904b33b7 Rephrase benchmark output display. 
llvm-svn: 142676
 2011-10-21 20:11:40 +00:00
Johnny Chen 7f63fdaa74 Add a benchmark for measuring start up delays of lldb, including: 
o create a fresh target; and
o set the first breakpoint

Example (using lldb to set a breakpoint on lldb's Driver::MainLoop function):

./dotest.py -v +b -x '-F Driver::MainLoop()' -p TestStartupDelays.py

...

1: test_startup_delay (TestStartupDelays.StartupDelaysBench)
   Test start up delays creating a target and setting a breakpoint. ... 
lldb startup delays benchmark:
create fresh target: Avg: 0.106732 (Laps: 15, Total Elapsed Time: 1.600985)
set first breakpoint: Avg: 0.102589 (Laps: 15, Total Elapsed Time: 1.538832)
ok

llvm-svn: 142628
 2011-10-20 22:37:45 +00:00