bug#11822: 24.1; emacsclient terminal mode captures escape characters as text

[Eli Zaretskii <eliz@gnu.org>]

> Date: Thu, 24 Sep 2015 16:08:04 -0400
> From: Ken Raeburn <raeburn@permabit.com>
> Cc: Stefan Monnier <monnier@iro.umontreal.ca>, 11822@debbugs.gnu.org
> 
>     > In this run, I recorded over 601000 bytes being allocated; about 60% of
>     that (~364000) was done from things called by parse_single_submenu; about
>     half of that (~185000), in turn, was via larger_vector called from
>     ensure_menu_items. The largest of those was a single allocation of 62000
>     bytes. There were several more of these calls, with smaller sizes, and
>     varying in the nesting depth of single_menu_item and friends.
>     
>     Can you show the backtrace from the 62000-byte allocation?
>     
> 
> Hardware watchpoint 3: consing_since_gc
> 
> Old value = 236408
> New value = 298408
> allocate_vectorlike (len=7749) at ../../src/alloc.c:3129
> 3129 vector_cells_consed += len;
> #0 allocate_vectorlike (len=7749) at ../../src/alloc.c:3129
> #1 0x000000000053c358 in XUNTAG (type=<optimized out>, a=<optimized out>) at .
> ./../src/lisp.h:839
> #2 XVECTOR (a=<optimized out>) at ../../src/lisp.h:969
> #3 allocate_vectorlike (len=7749) at ../../src/alloc.c:3097
> #4 allocate_vector (len=7749) at ../../src/alloc.c:3148
> #5 0x000000000055febd in larger_vector (vec=20730845, incr_min=<optimized out>,
> nitems_max=<optimized out>) at ../../src/fns.c:3619
> #6 0x0000000000463c18 in ensure_menu_items (items=<optimized out>) at .
> ./../src/menu.c:172
> #7 0x0000000000463dbe in push_menu_item (name=8891140, enable=44016,
> key=7152208, def=4131552, equiv=0, type=0, selected=0, help=0) at .
> ./../src/menu.c:242
> #8 0x00000000004640ae in single_menu_item (skp_v=0x7fffffffcbf0, key=7152208,
> item=<optimized out>, dummy=<optimized out>) at ../../src/menu.c:424
> #9 single_menu_item (key=7152208, item=<optimized out>, dummy=<optimized out>,
> skp_v=0x7fffffffcbf0) at ../../src/menu.c:322
> #10 0x00000000004f468a in map_keymap_item (data=0x7fffffffcbf0, val=<optimized
> out>, key=<optimized out>, args=0, fun=0x463ea0 <single_menu_item>) at .
> ./../src/keymap.c:547
> #11 map_keymap_internal (map=19459395, fun=0x463ea0 <single_menu_item>, args=0,
> data=0x7fffffffcbf0) at ../../src/keymap.c:584
> #12 0x0000000000463d18 in single_keymap_panes (keymap=16111731,
> pane_name=<optimized out>, prefix=<optimized out>, maxdepth=8) at .
> ./../src/menu.c:298
> #13 0x0000000000464124 in single_menu_item (skp_v=0x7fffffffcd50, key=5159696,
> item=<optimized out>, dummy=<optimized out>) at ../../src/menu.c:437
> #14 single_menu_item (key=5159696, item=<optimized out>, dummy=<optimized out>,
> skp_v=0x7fffffffcd50) at ../../src/menu.c:322
> #15 0x00000000004f468a in map_keymap_item (data=0x7fffffffcd50, val=<optimized
> out>, key=<optimized out>, args=0, fun=0x463ea0 <single_menu_item>) at .
> ./../src/keymap.c:547
> #16 map_keymap_internal (map=19467347, fun=0x463ea0 <single_menu_item>, args=0,
> data=0x7fffffffcd50) at ../../src/keymap.c:584
> #17 0x0000000000463d18 in single_keymap_panes (keymap=19716755,
> pane_name=<optimized out>, prefix=<optimized out>, maxdepth=9) at .
> ./../src/menu.c:298
> #18 0x0000000000464124 in single_menu_item (skp_v=0x7fffffffceb0, key=8138816,
> item=<optimized out>, dummy=<optimized out>) at ../../src/menu.c:437
> #19 single_menu_item (key=8138816, item=<optimized out>, dummy=<optimized out>,
> skp_v=0x7fffffffceb0) at ../../src/menu.c:322
> #20 0x00000000004f468a in map_keymap_item (data=0x7fffffffceb0, val=<optimized
> out>, key=<optimized out>, args=0, fun=0x463ea0 <single_menu_item>) at .
> ./../src/keymap.c:547
> #21 map_keymap_internal (map=19488483, fun=0x463ea0 <single_menu_item>, args=0,
> data=0x7fffffffceb0) at ../../src/keymap.c:584
> #22 0x0000000000463d18 in single_keymap_panes (keymap=19750115,
> pane_name=<optimized out>, prefix=<optimized out>, maxdepth=10) at .
> ./../src/menu.c:298
> #23 0x00000000004652c8 in parse_single_submenu (item_key=8191056,
> item_name=9330724, maps=<optimized out>) at ../../src/menu.c:566
> #24 0x0000000000466a9f in set_frame_menubar (f=0x122a940, first_time=<optimized
> out>, deep_p=<optimized out>) at ../../src/xmenu.c:797
> #25 0x00000000004d0038 in Fx_create_frame (parms=13618675) at .
> ./../src/xfns.c:3307

Looks like some deeply recursive keymap?  Can you show the values of
relevant variables, so that we could have an idea which keymap is that?

> I'm still seeing no display problems with the test branch; I'm fine with
> closing out this ticket now.

Great, I will merge the branch soon.

Thanks.