Memory profiling tools for Linux Kernel

[Pietro Paolini]

On 4 April 2014 02:45, Kumar Amit Mehta <gmate.amit at gmail.com> wrote:
> I was looking for some tools for memory profiling for Linux Kernel. I
> I wish to analyze the memory usage statistics by comparing the results
> (with and without the usage of Lookaside caches) by the consumer (Say
> a certain driver).I found some tools such as kmemcheck[1] and KEDR [2]
> but before I go further and explore these tools, I was wondering if
> somebody has already used these tools to acquire similar statistics
> or I should try out some other tool.
>
> [1] https://www.kernel.org/doc/Documentation/kmemcheck.txt
> [2] http://kedr.berlios.de/

>Hi,

>kmemcheck will probably not help you with memory usage statistics. It
>may help you find certain programming errors (use after free, use of
>uninitialised memory, etc.).

>The slab allocator exports some information about memory allocations
>that may or may not give you what you need. Try e.g. 'sudo slabtop'.


I have got one question regarding that, how can I understand which function is asking for memory in the size-*
cache names present in the output of /proc/slabinfo/ slabtop ?

Pietro.