Re: [STUMP] profiling StumpWM

[Evan]

It looks similarish. I used sbcl-git from aur, commented out the
customize-target-features.lisp part of the PKGBUILD and added --fancy.
So maybe that'll fix it...

Evan

On 03/26/2014 07:55 PM, Eric Abrahamsen wrote:
> Evan <address@hidden> writes:
> 
>>> CL-USER> *features*
>>> (:CLOSER-MOP :SBCL-DEBUG-PRINT-VARIABLE-ALIST :MARSHAL
>>>  :SBCL+SAFE-STANDARD-READTABLE :NAMED-READTABLES :SWANK :21BIT-CHARS
>>>  :FLEXI-STREAMS :RUNE-IS-CHARACTER :SPLIT-SEQUENCE 
>>> CFFI-FEATURES:FLAT-NAMESPACE
>>>  CFFI-FEATURES:X86-64 CFFI-FEATURES:UNIX :CFFI CFFI-SYS::FLAT-NAMESPACE 
>>> :CL-FAD
>>>  :BORDEAUX-THREADS :CL-PPCRE :THREAD-SUPPORT :CLX-EXT-RENDER :CLX-MIT-R5
>>>  :CLX-MIT-R4 :XLIB :CLX :CLX-LITTLE-ENDIAN :CLX-ANSI-COMMON-LISP :QUICKLISP
>>>  :SB-BSD-SOCKETS-ADDRINFO :ASDF3 :ASDF2 :ASDF :OS-UNIX 
>>> :NON-BASE-CHARS-EXIST-P
>>>  :ASDF-UNICODE :ALIEN-CALLBACKS :ANSI-CL :ASH-RIGHT-VOPS
>>>  :C-STACK-IS-CONTROL-STACK :COMMON-LISP :COMPARE-AND-SWAP-VOPS
>>>  :COMPLEX-FLOAT-VOPS :CYCLE-COUNTER :ELF :FLOAT-EQL-VOPS :GENCGC
>>>  :IEEE-FLOATING-POINT :INLINE-CONSTANTS :LARGEFILE :LINKAGE-TABLE :LINUX
>>>  :LITTLE-ENDIAN :MEMORY-BARRIER-VOPS :MULTIPLY-HIGH-VOPS 
>>> :OS-PROVIDES-BLKSIZE-T
>>>  :OS-PROVIDES-DLADDR :OS-PROVIDES-DLOPEN :OS-PROVIDES-GETPROTOBY-R
>>>  :OS-PROVIDES-POLL :OS-PROVIDES-PUTWC :OS-PROVIDES-SUSECONDS-T
>>>  :PACKAGE-LOCAL-NICKNAMES :RAW-INSTANCE-INIT-VOPS :SB-AFTER-XC-CORE
>>>  :SB-CORE-COMPRESSION :SB-DOC :SB-EVAL :SB-FUTEX :SB-LDB :SB-PACKAGE-LOCKS
>>>  :SB-SIMD-PACK :SB-SOURCE-LOCATIONS :SB-TEST :SB-THREAD :SB-UNICODE
>>>  :SB-XREF-FOR-INTERNALS :SBCL :STACK-ALLOCATABLE-CLOSURES
>>>  :STACK-ALLOCATABLE-FIXED-OBJECTS :STACK-ALLOCATABLE-LISTS
>>>  :STACK-ALLOCATABLE-VECTORS :STACK-GROWS-DOWNWARD-NOT-UPWARD 
>>> :SYMBOL-INFO-VOPS
>>>  :UNIX :UNWIND-TO-FRAME-AND-CALL-VOP :X86-64)
>>> CL-USER> 
>>
>> OS: Arch Linux x86_64
>> Kernel Release: 3.13.6-1-ARCH
>> Processor Type: Intel(R) Core(TM) i7-3610QM CPU @ 2.30GHz
>>
>> I think that's about it, really. I build sbcl with --fancy. I run the
>> following command `src/runtime/sbcl --core output/sbcl.core --script
>> ${srcdir}/arch-fixes.lisp` to make my sbcl.core file, and
>> arch-fixes.lisp is here: http://paste.lisp.org/+31EL
>> Stumpwm is built without any fancy config flags.
> 
> Hi Evan,
> 
> Thanks for this! I also run arch, and as far as I can tell the above is
> just the same as the official PKGBUILD, is that right? With the
> exception of the --fancy flag? Maybe I'll give re-building my sbcl a
> shot, with the addition of that flag...
> 
>> Hope that helps.
>>
>> Evan
>>
>> On 03/25/2014 09:52 PM, Eric Abrahamsen wrote:
>>> Evan <address@hidden> writes:
>>>
>>>> I run SBCL and don't notice this problem in general. If you'd like some
>>>> system stats as a sanity test, or as a way to perhaps rule out some
>>>> things, let me know.
>>>
>>> Please do!
>>>
>>> As I said in the first message, I don't know enough to figure this out
>>> single-handed, but I'm interested in learning. I'd be happy to undertake
>>> exploration, do grunt work, and maintain momentum, but I'd need a bit of
>>> direction from people who know where to look.
>>>
>>> Would the profiling results I linked to in my first message contain any
>>> useful clues?
>>>
>>> Eric
>>>
>>>> Evan
>>>> On 03/25/2014 11:08 AM, Shawn Betts wrote:
>>>>> Hi Eric,
>>>>>
>>>>> I've found the same thing with SBCL, which is why I switched to clisp.
>>>>> If you can discover the issue, that would be amazing. This was all
>>>>> years ago when 256M of ram was "enough". I sort of had a hunch that it
>>>>> was paging related.
>>>>>
>>>>> -Shawn
>>>>>
>>>>> On Tue, Mar 25, 2014 at 2:30 AM, Eric Abrahamsen
>>>>> <address@hidden> wrote:
>>>>>> I'm constantly getting laggy prefix-key detection (I thought it had
>>>>>> gotten better, but it hadn't). I hit "C-t", and then the next keypress
>>>>>> or two goes to the active window, not StumpWM. My girlfriend has already
>>>>>> learned that when I send her "go" in Pidgin, I'm not actually telling
>>>>>> her to go anywhere, I was just trying to switch to the other group.
>>>>>>
>>>>>> Plenty of other commands, particularly frame- and group-related
>>>>>> commands, take a very user-visible chunk of time to execute. Resuming
>>>>>> from hibernation, it can take seven or eight seconds before StumpWM
>>>>>> starts seeing the prefix key.
>>>>>>
>>>>>> I'm quite sure that the problems aren't Stump-only problems, but
>>>>>> something going on with the stump/SBCL on my machine (arch linux, as I
>>>>>> mentioned), but I hope that profiling would help uncover those issues as
>>>>>> well.
>>>>>>
>>>>>> E
>>>>>>
>>>>>> On 03/25/14 16:39 PM, Ivan Kanis wrote:
>>>>>>> March, 25 at 11:50 Eric Abrahamsen wrote:
>>>>>>>
>>>>>>>> I still can't get rid of the idea that Stump is slow, both in reaction
>>>>>>>> to input and in its own operations. I know very little about profiling,
>>>>>>>> but I thought I'd take a whack at it and see if I could learn anything.
>>>>>>>> So far I haven't learned very much.
>>>>>>>
>>>>>>> What kind of slowness? I use it at work and it's snappy.
>>>>>>>
>>>>>>> Ivan
>>>>>>> --
>>>>>>> You must no lose faith in humanity. Humanity is an ocean; if a few
>>>>>>> drops of the ocean are dirty, the ocean does not become dirty.
>>>>>>>     -- Gandhi
>>>>>>
>>>>>> _______________________________________________
>>>>>> Stumpwm-devel mailing list
>>>>>> address@hidden
>>>>>> https://lists.nongnu.org/mailman/listinfo/stumpwm-devel
>>>>>
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>>>>>