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From: Igor Munkin <imun@tarantool.org>
To: Sergey Kaplun <skaplun@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: Re: [Tarantool-patches] [PATCH luajit v1 07/11] debug: move debug_frameline to public module API
Date: Mon, 21 Dec 2020 01:46:02 +0300	[thread overview]
Message-ID: <20201220224602.GR5396@tarantool.org> (raw)
In-Reply-To: <99c1138ecb4d0d76873409793ad1fbfaa0b449e3.1608142899.git.skaplun@tarantool.org>

Sergey,

Thanks for the patch! I doubt this change need to be made as a separate
patch. Anyway, I left a couple of nits below.

Furthermore, it's better to use 'core' prefix here, otherwise it's not
needed since every translation unit uses own one then.

On 16.12.20, Sergey Kaplun wrote:
> This patch renames debug_frameline to lj_debug_frameline and moves it to
> public <lj_debug.h> module API (does not provide it with LUA_API). It
> will be used for memory profiler in the next patches.

Minor: I propose more simple wording:
| core: make debug_frameline visible for other sources
|
| This change makes debug_frameline function LuaJIT-wide visible to be
| used in other subsystems (e.g. memory profiler).

> 
> Part of tarantool/tarantool#5442
> ---
>  src/lj_debug.c | 8 ++++----
>  src/lj_debug.h | 1 +
>  2 files changed, 5 insertions(+), 4 deletions(-)
> 

<snipped>

> diff --git a/src/lj_debug.h b/src/lj_debug.h
> index 5917c00..1b5ef29 100644
> --- a/src/lj_debug.h
> +++ b/src/lj_debug.h
> @@ -40,6 +40,7 @@ LJ_FUNC void lj_debug_addloc(lua_State *L, const char *msg,
>  LJ_FUNC void lj_debug_pushloc(lua_State *L, GCproto *pt, BCPos pc);
>  LJ_FUNC int lj_debug_getinfo(lua_State *L, const char *what, lj_Debug *ar,
>  			     int ext);
> +LJ_FUNC BCLine lj_debug_frameline(lua_State *L, GCfunc *fn, cTValue *nextframe);

Minor: As you can see below, <lj_debug_dumpstack> is provided only if
profiler is enabled. Since this function is necessary only for memprof,
there is no need to make it LuaJIT-wide visible by default. This looks
more natural to me. This is not required but seems like a nice approach,
so feel free to ignore.

>  #if LJ_HASPROFILE
>  LJ_FUNC void lj_debug_dumpstack(lua_State *L, SBuf *sb, const char *fmt,
>  				int depth);
> -- 
> 2.28.0
> 

-- 
Best regards,
IM

  reply	other threads:[~2020-12-20 22:46 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-16 19:13 [Tarantool-patches] [PATCH luajit v1 00/11] LuaJIT memory profiler Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 01/11] build: add src dir in building Sergey Kaplun
2020-12-20 21:27   ` Igor Munkin
2020-12-23 18:20     ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 02/11] utils: introduce leb128 reader and writer Sergey Kaplun
2020-12-20 22:44   ` Igor Munkin
2020-12-23 22:34     ` Sergey Kaplun
2020-12-24  9:11       ` Igor Munkin
2020-12-25  8:46         ` Sergey Kaplun
2020-12-23 16:50   ` Sergey Ostanevich
2020-12-23 22:36     ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 03/11] profile: introduce profiler writing module Sergey Kaplun
2020-12-21  9:24   ` Igor Munkin
2020-12-24  6:46     ` Sergey Kaplun
2020-12-24 15:45       ` Sergey Ostanevich
2020-12-24 21:20         ` Sergey Kaplun
2020-12-25  9:37           ` Igor Munkin
2020-12-25 10:13             ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 04/11] profile: introduce symtab write module Sergey Kaplun
2020-12-21 10:30   ` Igor Munkin
2020-12-24  7:00     ` Sergey Kaplun
2020-12-24  9:36       ` Igor Munkin
2020-12-25  8:45         ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 05/11] vm: introduce LFUNC and FFUNC vmstates Sergey Kaplun
2020-12-25 11:07   ` Sergey Ostanevich
2020-12-25 11:23     ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 06/11] core: introduce new mem_L field Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 07/11] debug: move debug_frameline to public module API Sergey Kaplun
2020-12-20 22:46   ` Igor Munkin [this message]
2020-12-24  6:50     ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 08/11] profile: introduce memory profiler Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 09/11] misc: add Lua API for " Sergey Kaplun
2020-12-24 16:32   ` Sergey Ostanevich
2020-12-24 21:25     ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 10/11] tools: introduce tools directory Sergey Kaplun
2020-12-20 22:46   ` Igor Munkin
2020-12-24  6:47     ` Sergey Kaplun
2020-12-16 19:13 ` [Tarantool-patches] [PATCH luajit v1 11/11] profile: introduce profile parser Sergey Kaplun
2020-12-24 23:09   ` Igor Munkin
2020-12-25  8:41     ` Sergey Kaplun
2020-12-21 10:43 ` [Tarantool-patches] [PATCH luajit v1 00/11] LuaJIT memory profiler Igor Munkin
2020-12-24  7:02   ` Sergey Kaplun

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