Re: [Tarantool-patches] [PATCH v2 luajit] tools: introduce --leak-only memprof parser option

[Igor Munkin via Tarantool-patches <tarantool-patches@dev.tarantool.org>]

Sergey,

I've checked the series into tarantool branch in tarantool/luajit and
bumped a new version in master.

On 31.03.21, Sergey Kaplun wrote:
> This patch indtroduces new memprof parser module <process.lua> to
> post-process memory events.
> 
> Memprof parser now adds postamble with the source lines of Lua chunks
> (or "INTERNAL") that allocate and do not free some amount of bytes, when
> profiler finishes. The parser also reports the number of allocation and
> deallocation events related to each line.
> 
> Also, this patch adds a new --leak-only memory profiler parser option.
> When the parser runs with that option, it reports only leak
> information.
> 
> Resolves tarantool/tarantool#5812
> ---
> Changes in v2:
> * introduce new memprof's <process.lua> module to post-process parsed
>   events
> * add tests
> 
> ChangeLog entry (and postamble too Tarantool bump commit message):
> 
> ===================================================================
> ##feature/luajit
> 
> * Now memory profiler parser reports heap difference occurring during
>   the measurement interval. New memory profiler's option `--leak-only`
>   to show only heap difference is introduced. New built-in module
>   `memprof.process` is introduced to perform memory events
>   post-processing and aggregation. Now to launch memory profiler
>   via Tarantool user should use the following command:
>   `tarantool -e 'require("memprof")(arg)' - --leak-only /tmp/memprof.bin`
> ===================================================================
> 
> Branch with tests and added the corresponding built-in:
> * https://github.com/tarantool/tarantool/tree/skaplun/gh-5812-memprof-memleaks-option
> LuaJIT branch:
> * https://github.com/tarantool/luajit/tree/skaplun/gh-5812-memprof-memleaks-option
> Issue: https://github.com/tarantool/tarantool/issues/5812
> 
>  .../misclib-memprof-lapi.test.lua             | 21 +++++--
>  tools/memprof.lua                             | 33 ++++++-----
>  tools/memprof/humanize.lua                    | 43 +++++++++++++-
>  tools/memprof/parse.lua                       | 20 +++++--
>  tools/memprof/process.lua                     | 59 +++++++++++++++++++
>  5 files changed, 151 insertions(+), 25 deletions(-)
>  create mode 100644 tools/memprof/process.lua
> 

<snipped>

> -- 
> 2.31.0
> 

-- 
Best regards,
IM