malloc info

[Joel Sherrill]

Can you provide a C test case? It would help to see what's going on.

Thanks.

--joel

On Feb 9, 2018 2:51 AM, "Mikhail Svetkin" <mikhail.svetkin at gmail.com> wrote:

> Thank you,
>
> But why i can see different results?
>
> shell function prints:
> Total bytes free:                            5351936
> and
> malloc_free_space return             1135128
>
>
> Best regards,
> Mikhail
>
> On 9 February 2018 at 01:19, Chris Johns <chrisj at rtems.org> wrote:
>
>> On 09/02/2018 00:59, Mikhail Svetkin wrote:
>> > Hi all,
>> >
>> > I am trying to investigate memory leak in my application.
>> >
>> > I check malloc information via malloc_free_space
>> > and rtems_shell_main_malloc_info and i see after some times that they
>> have
>> > different results.
>> >
>> > For example:
>> > rtems_shell_main_malloc_info prints 2mb and malloc_free_space prints 1mb
>> >
>> > Which function should i use?
>> >
>>
>> There is a malloc shell command if you have the shell working or you
>> could call
>> the shell command directly:
>>
>> [/] # malloc
>> C Program Heap and RTEMS Workspace are the same.
>> Number of free blocks:                             298
>> Largest free block:                          160667680
>> Total bytes free:                            160971752
>> Number of used blocks:                            6707
>> Largest used block:                           33554440
>> Total bytes used:                             97291328
>> Size of the allocatable area in bytes:       258263080
>> Minimum free size ever in bytes:             160926264
>> Maximum number of free blocks ever:                314
>> Maximum number of blocks searched ever:             90
>> Lifetime number of bytes allocated:         1116295560
>> Lifetime number of bytes freed:             1019006776
>> Total number of searches:                     28918650
>> Total number of successful allocations:       28446143
>> Total number of failed allocations:                  0
>> Total number of successful frees:             28439436
>> Total number of successful resizes:                120
>>
>> Chris
>>
>
>
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