Re: [PATCH pve-qemu 2/2] d/rules: enable tcmalloc as the memory allocator

[Fiona Ebner <f.ebner@proxmox.com>]

Am 10.04.26 um 6:29 AM schrieb Kefu Chai:
> Use tcmalloc (from gperftools) instead of glibc's allocator for
> improved performance with workloads that create many small, short-lived
> allocations -- particularly Ceph/librbd I/O paths. Ceph benchmarks
> show ~50% IOPS improvement on 16KB random reads.
> 
> tcmalloc was originally used in 2015 but removed due to tuning issues
> with gperftools 2.2. PVE 9 ships gperftools 2.16, where those issues
> are long resolved.
> 
> Signed-off-by: Kefu Chai <k.chai@proxmox.com>
> ---
>  debian/control | 1 +
>  debian/rules   | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/debian/control b/debian/control
> index 81cc026..a3121e1 100644
> --- a/debian/control
> +++ b/debian/control
> @@ -14,6 +14,7 @@ Build-Depends: debhelper-compat (= 13),
>                 libfuse3-dev,
>                 libgbm-dev,
>                 libgnutls28-dev,
> +               libgoogle-perftools-dev,
>                 libiscsi-dev (>= 1.12.0),
>                 libjpeg-dev,
>                 libjson-perl,

Please also add the runtime dependency to Depends:

> diff --git a/debian/rules b/debian/rules
> index c90db29..a63e3a5 100755
> --- a/debian/rules
> +++ b/debian/rules
> @@ -70,6 +70,7 @@ endif
>  	    --enable-libusb \
>  	    --enable-linux-aio \
>  	    --enable-linux-io-uring \
> +	    --enable-malloc=tcmalloc \
>  	    --enable-numa \
>  	    --enable-opengl \
>  	    --enable-rbd \