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Re: [PATCH 2/4] Perf test framework
- From: Doug Evans <dje at google dot com>
- To: Yao Qi <yao at codesourcery dot com>
- Cc: gdb-patches <gdb-patches at sourceware dot org>
- Date: Fri, 1 Nov 2013 12:43:41 -0700
- Subject: Re: [PATCH 2/4] Perf test framework
- Authentication-results: sourceware.org; auth=none
- References: <1383291300-13917-1-git-send-email-yao at codesourcery dot com> <1383291300-13917-3-git-send-email-yao at codesourcery dot com>
On Fri, Nov 1, 2013 at 12:34 AM, Yao Qi <email@example.com> wrote:
> This patch adds a basic framework to do performance testing for GDB.
> perftest.py is about the test case, testresult.py is about test
> results, and how are they saved. reporter.py is about how results
> are reported (in what format). measure.py is about measuring the
> execution of tests by a collection of measurements.
> In V4:
> - Rename MeasurementCPUTime to MeasurementCpuTime,
> - Add 'pass' in empty method,
> - Simplify string comparison in perftest.exp.
> - Rename GDB_PERFORMANCE to GDB_PERFTEST_MODE and rename
> GDB_PERFORMANCE_TIMEOUT to GDB_PERFTEST_TIMEOUT.
> In V3, there are some changes,
> - Add wall time measurement, cpu time measurement and vmsize
> - Rename SingleStatisticTestCase to TestCaseWithBasicMeasurements,
> which measures cpu time, wall time, and memory (vmsize).
> - GDB_PERFORMANCE=run|compile|both to control the mode of perf
> - New GDB_PERFORMANCE_TIMEOUT to specify the timeout.
> - Split proc prepare to proc compile and startup.
> - Disable GC while doing measurements.
> In V2, there are several changes to address Doug and Sanimir's
> - Add copyright header and docstring in perftest/__init__.py
> - Remove config.py.
> - Fix docstring format.
> - Rename classes "SingleVariable" to "SingleStatistic".
> - Don't extend gdb.Function in class TestCase. Add a new method run
> to run the test case so that we can pass parameters to test.
> - Allow to customize whether to warm up and to append test log.
> - Move time measurement into test harness. Add a new class
> Measurement for a specific measurement and a new class Measure to
> measure them for a given test case.
> - A new class ResultFactory to create instances of TestResult.
> - New file lib/perftest.exp, which is to do some preparations and
> cleanups to simplify each *.exp file.
> - Skip compilation step if GDB_PERFORMANCE_SKIP_COMPILE is set.
> * lib/perftest.exp: New.
> * gdb.perf/lib/perftest/__init__.py: New.
> * gdb.perf/lib/perftest/measure.py: New.
> * gdb.perf/lib/perftest/perftest.py: New.
> * gdb.perf/lib/perftest/reporter.py: New.
> * gdb.perf/lib/perftest/testresult.py: New.
Ok by me.
[Might want to give it a day or two to see if anyone else has any
Thanks for the perseverance!