Re: Memory again

[emacs user]

On Fri, Dec 23, 2011 at 12:44 PM, emacs user <address@hidden> wrote:
> On Fri, Dec 23, 2011 at 2:39 AM, Stefan Monnier
>
>> The GC stats you posted indicate that the GC knows of about 27MB of data
>> (10MB of which is actually unused but can't be returned to malloc due to
>> fragmentation) which doesn't account for the 214MB you mention.  So it
>> looks like that data is held by the C code.
>>
>> Of course, I don't know what the 214MB represent, if it is resident set
>> size, then there really seems to be a leak, whereas if it's the total
>> virtual size, it may also be an artifact of various other things.
>>
>>
>>        Stefan
>
> here is something which I am hoping is reproducible by others:
> download
> http://emacsforosx.com/emacs-builds/Emacs-2011-12-23-universal-10.6.8.dmg
> save to desktop.
>
> start emacs:
> $ ~/Desktop/Emacs.app/Contents/MacOS/Emacs -Q&
>
> create a file that contains the following line many times
> asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf asdf
> $ wc t :  687456 10311840 52246656 t
> $ ls -l t: -rw-------  1 x  staff  52246656 Dec 23 05:08 t
>
> edit it using the above emacs.
> kill all buffers, do M-x garbage-collect
>
> look at the process:
>
>  $ ps -vefl | head -1
>  PID STAT      TIME  SL  RE PAGEIN      VSZ    RSS   LIM     TSIZ
> %CPU %MEM COMMAND            UID  PPID   C STIME   TTY             F
> PRI NI WCHAN              ADDR
>
> before editing the file:
> $ ps -vefl | grep 62764
> 62764 S      0:00.78   0   0      0  2571020  30852     -        0
> 0.3  0.7 /Users/xxx/Deskt   501 62068 0 5:38AM ttys001      4006
> 49  0 -      ffffff8012762000
>
> after editing it, killing the buffer, and doing M-x garbage-collect
>  $ ps -vefl | grep 62764
> 62764 S      0:01.85   0   0      0  2625752  83036     -        0
> 0.6  2.0 /Users/xxx/Deskt   501 62068 0 5:38AM ttys001      4006
> 48  0 -      ffffff8012762000
>
> I am running on Lion, Macbook Air.  does this help?

just in case this is helpful, I see the same increase in RSS using
emacs 23.3 too, but not under linux.  is this a problem, or is this
increase in RSS normal?