Re: [PATCH, RFC] New memory usage statistics infrastructure

[Martin LiÅka <mliska at suse dot cz>]

On 06/01/2015 04:08 PM, Martin LiÅka wrote:
> On 06/01/2015 02:18 PM, Richard Biener wrote:
>> On Mon, Jun 1, 2015 at 1:38 PM, Martin LiÅka <mliska@suse.cz> wrote:
>>> On 05/29/2015 06:09 PM, Vidya Praveen wrote:
>>>>
>>>> Martin,
>>>>
>>>> The following change:
>>>>
>>>> @@ -2655,10 +2655,10 @@ s-iov: build/gcov-iov$(build_exeext) $(BASEVER) $(DEVPHASE)
>>>>
>>>>  GCOV_OBJS = gcov.o
>>>>  gcov$(exeext): $(GCOV_OBJS) $(LIBDEPS)
>>>> -       +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_OBJS) $(LIBS) -o $@
>>>> +       +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_OBJS) build/hash-table.o ggc-none.o $(LIBS) -o $@
>>>>
>>>>
>>>> seem to cause canadian cross build failure for arm and aarch64 on x86_64 as
>>>> build/hash-table.o and ggc-none.o are not built by the same compiler?
>>>>
>>>> arm-none-linux-gnueabi-g++ -no-pie   -g -O2 -DIN_GCC    -fno-exceptions -fno-rtti -fasynchronous-unwind-tables -W -Wall -Wno-narrowing
>>>> +-Wwrite-strings -Wcast-qual -Wmissing-format-attribute -Woverloaded-virtual -pedantic -Wno-long-long -Wn
>>>>                 build/hash-table.o ggc-none.o libcommon.a ../libcpp/libcpp.a ../libbacktrace/.libs/libbacktrace.a ../libiberty/libiberty.a ..
>>>> +/libdecnumber/libdecnumber.a  -o gcov
>>>> build/hash-table.o: file not recognized: File format not recognized
>>>> collect2: error: ld returned 1 exit status
>>>> make[1]: *** [gcov] Error 1
>>>>
>>>>
>>>> Should it be:
>>>>
>>>> -       +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_OBJS) $(LIBS) -o $@
>>>> +       +$(LINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) $(GCOV_OBJS) hash-table.o ggc-none.o $(LIBS) -o $@
>>>>
>>>> instead?
>>>
>>> Hello Vidya.
>>>
>>> Thanks for pointing out. To be honest, I'm not a build system guru and it's hard for me to verify
>>> that the change you suggest is the correct.
>>>
>>> May I please ask you for sending a patch to mailing?
>>
>> gcov isn't a build but a host tool so the patch looks good to me.
>>
>> Richard.
>>
>>> Thanks,
>>> Martin
>>>
>>>>
>>>> VP.
>>>>
>>>>
>>>> On 15/05/15 15:38, Martin LiÅka wrote:
>>>>> Hello.
>>>>>
>>>>> Following patch attempts to rewrite memory reports for GCC's internal allocations
>>>>> so that it uses a new template type. The type shares parts which are currently duplicated,
>>>>> adds support for special 'counters' and introduces new support for hash-{set,map,table}.
>>>>>
>>>>> Transformation of the current code is a bit tricky as we internally used hash-table as main
>>>>> data structure which takes care of location-related allocations. As I want to add support even
>>>>> for hash tables (and all derived types), header files inclusion and forward declaration is utilized.
>>>>>
>>>>> Feel free to comment the patch, as well as missing features one may want to track by location sensitive
>>>>> memory allocation.
>>>>>
>>>>> Attachment contains sample output taken from tramp3d-v4.cpp.
>>>>>
>>>>> Thanks,
>>>>> Martin
>>>>>
>>>>
>>>
> 
> Ok.
> 
> I'm going to install following patch.
> 
> Thanks,
> Martin
> 

Hi.

Vidya notified me that I used a wrong email for his Changelog entry.

This is patch I'm going to install.

Thanks,
Martin

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index daf6476..63e69d2 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,4 +1,4 @@
-2015-06-01  Vidya Praveen  <vidya.praveen@atmel.com>
+2015-06-01  Vidya Praveen  <vidyapraveen@arm.com>
 
 	* Makefile.in: Fix gcov dependencies that should
 	not point to a build folder.