[Tarantool-patches] [PATCH luajit v7] memprof: introduce cli flag to run dump parser
Maxim Kokryashkin
m.kokryashkin at tarantool.org
Fri Jul 14 15:41:10 MSK 2023
Hi! Thanks for the review.
>
>>Hello, Max!
>>
>>Thanks for the patch! See my comments.
>>
>>
>>Sergey
>>
>>On 7/10/23 14:24, Maksim Kokryashkin wrote:
>>> From: Maxim Kokryashkin < m.kokryashkin at tarantool.org >
>>>
>>> It is really inconvenient to use a standalone shell script to parse
>>> memprof dump. That is why this commit introduces a CLI flag for tools
>>> to the LuaJIT, so now it is possible to parse memprof dump
>>> as simple as:
>>> ```
>>> luajit -tm memprof.bin
>>> ```
>>>
>>> Closes tarantool/tarantool#5688
>>> ---
>>> Changes in v7:
>>> - Fixed comments as per review by Sergey
>>>
>>> Branch: https://github.com/tarantool/luajit/tree/fckxorg/gh-5688-cli-for-memprof-parse
>>> PR: https://github.com/tarantool/tarantool/pull/8002
>>>
>>> src/luajit.c | 32 +++++++++-
>>> .../gh-5688-memprof-cli-flag.test.lua | 58 +++++++++++++++++++
>>> 2 files changed, 89 insertions(+), 1 deletion(-)
>>> create mode 100644 test/tarantool-tests/gh-5688-memprof-cli-flag.test.lua
>>>
>>> diff --git a/src/luajit.c b/src/luajit.c
>>> index 1ca24301..d335f32b 100644
>>> --- a/src/luajit.c
>>> +++ b/src/luajit.c
>>> @@ -72,6 +72,7 @@ static void print_usage(void)
>>> " -O[opt] Control LuaJIT optimizations.\n"
>>> " -i Enter interactive mode after executing " LUA_QL("script") ".\n"
>>> " -v Show version information.\n"
>>> + " -t[cmd] Execute tool.\n"
>>
>>According to usage cmd after -t option is optional. However without cmd
>>luajit prints usage
>>
>>that hints about incorrect usage:
>>
>>
>>[0] ~/sources/MRG/tarantool/third_party/luajit$ ./src/luajit -t
>>usage: ./src/luajit [options]... [script [args]...].
>>Available options are:
>> -e chunk Execute string 'chunk'.
>> -l name Require library 'name'.
>> -b ... Save or list bytecode.
>> -j cmd Perform LuaJIT control command.
>> -O[opt] Control LuaJIT optimizations.
>> -i Enter interactive mode after executing 'script'.
>> -v Show version information.
>> -t[cmd] Execute tool.
>> -E Ignore environment variables.
>> -- Stop handling options.
>> - Execute stdin and stop handling options.
>Fixed! Branch is force-pushed, here is the diff:
>=========================================================
>diff --git a/src/luajit.c b/src/luajit.c
>index d335f32b..c16138f0 100644
>--- a/src/luajit.c
>+++ b/src/luajit.c
>@@ -72,7 +72,7 @@ static void print_usage(void)
> " -O[opt] Control LuaJIT optimizations.\n"
> " -i Enter interactive mode after executing " LUA_QL("script") ".\n"
> " -v Show version information.\n"
>- " -t[cmd] Execute tool.\n"
>+ " -t(cmd) Execute tool.\n"
> " -E Ignore environment variables.\n"
> " -- Stop handling options.\n"
> " - Execute stdin and stop handling options.\n", stderr);
>=========================================================
>>
>><snipped>
>>> +end
>>> +
>>> +generate_output(TMP_BINFILE, default_payload)
>>> +
>>> +local errcode = os.execute(EXECUTABLE .. ' -tinvalid ' .. TMP_BINFILE)
>>> +test:ok(errcode ~= 0, 'invalid tool flag')
>>> +
>>> +errcode = os.execute(EXECUTABLE .. ' -tm ' .. BAD_PATH)
>>> +test:ok(errcode ~= 0, 'binfile does not exist')
>>> +
>>> +errcode = os.execute(EXECUTABLE .. ' -tm ' .. TMP_BINFILE)
>>> +test:ok(errcode == 0, 'memprof binfile parsing')
>>Nit: probably it is worth adding checks for output.
>>> +
>>> +os.remove(TMP_BINFILE)
>>> +os.exit(test:check() and 0 or 1)
>>> --
>>> 2.39.2 (Apple Git-143)
>>>
>--
>Best regards,
>Maxim Kokryashkin
>
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