On Sun, May 30, 2021 at 8:37 AM Mahmoud Mandour <ma.mandourr@gmail.com>
wrote:

> In this RFC patch series, I propose an initial cache modelling TCG
> plugin. As of now, it models separate L1 data cache and L1 instruction
> cache. It supports three eviction policies: LRU, random, and FIFO. Once
> a policy is chosen, it's used for both instruction and data caches.
>
> v1 -> v2: Unlocked dmtx on early return in vcpu_mem_access & removed a
>           (probably?) bad InsnData free.
>           This is probably still problematic since it does not free the
>           ``idata`` allocated for the vcpu_mem_access callback even
>           once, but if it's placed, it would double-free it.
>           How do I mitigate this? I need to free the InsnData passed to
>           vcpu_mem_access only once if we find out that it's an IO
>           access since we do not need it anymore and it will early
>           return every time.
>
> Mahmoud Mandour (3):
>   plugins: Added a new cache modelling plugin
>   plugins: cache: Enabled parameterization and added trace printing
>   plugins: cache: Added FIFO and LRU eviction policies.
>
>  contrib/plugins/Makefile |   1 +
>  contrib/plugins/cache.c  | 595 +++++++++++++++++++++++++++++++++++++++
>  2 files changed, 596 insertions(+)
>  create mode 100644 contrib/plugins/cache.c
>
> --
> 2.25.1
>
>