[pve-devel] pve-qemu-kvm : enable tcmalloc

Dietmar Maurer dietmar at proxmox.com
Fri Jun 5 15:40:37 CEST 2015


# Add here commands to configure the package.
./configure --with-confsuffix="/kvm" --target-list=x86_64-softmmu --prefix=/usr
--datadir=/usr/share --docdir=/usr/share/doc/pve-qemu-kvm --sysconfdir=/etc
--disable-xen --enable-vnc-tls --enable-sdl --enable-uuid --enable-linux-aio
--enable-rbd --enable-libiscsi --disable-smartcard-nss --audio-drv-list="alsa"
--enable-spice --enable-usb-redir --enable-glusterfs --enable-libusb
--disable-gtk --enable-xfsctl --enable-numa --disable-strip --enable-tcmalloc
Disabling libtool due to broken toolchain support
./configure: 3343: test: yes: unexpected operator

Not sure if this is a problem?

> On June 5, 2015 at 1:46 PM Alexandre Derumier <aderumier at odiso.com> wrote:
> 
> 
> This patch is already in qemu master, and help to reduce latencies and boost
> iops.
> 
> Tested with librbd, I see an extra boost.
> But it should help with any block driver
> 
> (fio-rbd on host show me around 15% speedup with tcmalloc)
> 
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