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Date: Sat, 14 Mar 2015 04:39:27 +0900
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From: Takuya ASADA <syuu@cloudius-systems.com>
To: Neil Horman <nhorman@tuxdriver.com>
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Subject: Re: [dpdk-dev] [RFC PATCH 0/7] add OSv support
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On Fri, Mar 13, 2015 at 10:42 PM, Neil Horman <nhorman@tuxdriver.com> wrote:
> On Fri, Mar 13, 2015 at 06:05:41AM +0900, Takuya ASADA wrote:
> > Hi DPDK developers,
> >
> > I'd like to contribute a new EAL to support our open-sourced operating
> system called "OSv".
> > It is a new operating system build from scratch for cloud computing, to
> run application faster with lower footprint on IaaS.
> > Unlike general propose OS, it is a library OS designed to run single
> application per one instance, everything run in kernel mode, single memory
> space.
> > It's not using Linux kernel but has compatibility with Linux
> application, not perfect but we already supported various applications such
> as Cassandra, memcached, Redis, etc.
> >
> > In DPDK case, PMDs can access devices directly, without kernel driver
> help.
> > At this point I haven't enough optimized performance of the EAL yet, but
> it has potential to get better performance than Linux with fewer resources.
> >
> > OSv web site: http://osv.io
> > USENIX ATC'14 paper:
> https://www.usenix.org/conference/atc14/technical-sessions/presentation/kivity
> >
> > Takuya ASADA (7):
> > mk: support compiling C++ code
> > eal: Add extern C on eal_hugepages.h
> > eal: Add extern C on eal_thread.h
> > eal: Add extern C on eal_private.h
> > add OSv support
> > virtio: enable MSI-X on OSv
> > app/test: support OSv
> >
> > app/test/test_eal_flags.c | 34 +--
> > app/test/test_timer_perf.c | 2 +-
> > config/{common_linuxapp => common_osvapp} | 20 +-
> > ...xapp-gcc => defconfig_x86_64-native-osvapp-gcc} | 2 +-
> > lib/librte_eal/Makefile | 2 +
> > lib/librte_eal/common/eal_hugepages.h | 8 +
> > lib/librte_eal/common/eal_private.h | 8 +
> > lib/librte_eal/common/eal_thread.h | 8 +
> > Makefile => lib/librte_eal/osvapp/Makefile | 5 +-
> > lib/librte_eal/osvapp/eal/Makefile | 115 ++++++++
> > lib/librte_eal/{linuxapp => osvapp}/eal/eal.c | 123 +-------
> > .../{linuxapp => osvapp}/eal/eal_alarm.c | 0
> > .../{linuxapp => osvapp}/eal/eal_debug.c | 0
> > lib/librte_eal/osvapp/eal/eal_hugepage_info.cc | 63 +++++
> > .../{bsdapp => osvapp}/eal/eal_interrupts.c | 0
> > .../eal/eal_lcore.c => osvapp/eal/eal_lcore.cc} | 53 ++--
> > lib/librte_eal/{bsdapp => osvapp}/eal/eal_log.c | 0
> > lib/librte_eal/osvapp/eal/eal_memory.cc | 148 ++++++++++
> > lib/librte_eal/osvapp/eal/eal_pci.cc | 311
> +++++++++++++++++++++
> > .../{linuxapp => osvapp}/eal/eal_thread.c | 0
> > lib/librte_eal/osvapp/eal/eal_timer.c | 121 ++++++++
> > .../eal/include/exec-env/rte_interrupts.h | 0
> > lib/librte_pmd_virtio/virtio_ethdev.c | 15 +-
> > mk/exec-env/{linuxapp => osvapp}/rte.app.mk | 0
> > mk/exec-env/{linuxapp => osvapp}/rte.vars.mk | 6 +-
> > mk/internal/rte.compile-pre.mk | 41 ++-
> > mk/target/generic/rte.vars.mk | 4 +
> > mk/toolchain/gcc/rte.vars.mk | 5 +-
> > 28 files changed, 907 insertions(+), 187 deletions(-)
> > copy config/{common_linuxapp => common_osvapp} (97%)
> > copy config/{defconfig_x86_64-native-linuxapp-gcc =>
> defconfig_x86_64-native-osvapp-gcc} (98%)
> > copy Makefile => lib/librte_eal/osvapp/Makefile (93%)
> > create mode 100644 lib/librte_eal/osvapp/eal/Makefile
> > copy lib/librte_eal/{linuxapp => osvapp}/eal/eal.c (87%)
> > copy lib/librte_eal/{linuxapp => osvapp}/eal/eal_alarm.c (100%)
> > copy lib/librte_eal/{linuxapp => osvapp}/eal/eal_debug.c (100%)
> > create mode 100644 lib/librte_eal/osvapp/eal/eal_hugepage_info.cc
> > copy lib/librte_eal/{bsdapp => osvapp}/eal/eal_interrupts.c (100%)
> > copy lib/librte_eal/{bsdapp/eal/eal_lcore.c => osvapp/eal/eal_lcore.cc}
> (80%)
> > copy lib/librte_eal/{bsdapp => osvapp}/eal/eal_log.c (100%)
> > create mode 100644 lib/librte_eal/osvapp/eal/eal_memory.cc
> > create mode 100644 lib/librte_eal/osvapp/eal/eal_pci.cc
> > copy lib/librte_eal/{linuxapp => osvapp}/eal/eal_thread.c (100%)
> > create mode 100644 lib/librte_eal/osvapp/eal/eal_timer.c
> > copy lib/librte_eal/{bsdapp =>
> osvapp}/eal/include/exec-env/rte_interrupts.h (100%)
> > copy mk/exec-env/{linuxapp => osvapp}/rte.app.mk (100%)
> > copy mk/exec-env/{linuxapp => osvapp}/rte.vars.mk (95%)
> >
> > --
> > 2.1.0
> >
> >
>
> I presume you intend for this to get merged during the 2.1 release?
>
> Neil
>
>
Yes, I think it would be nice if it can merge for v2.1.