[libvirt] [PATCH v3 1/4] rename qemuGetNumadAdvice to virNumaGetAutoPlacementAdvice

Osier Yang jyang at redhat.com
Mon Mar 18 09:24:48 UTC 2013


On 2013年03月18日 17:04, Gao feng wrote:
> qemuGetNumadAdvice will be used by LXC driver,rename
> it to virNumaGetAutoPlacementAdvice and move it to virnuma.c
>
> Signed-off-by: Gao feng<gaofeng at cn.fujitsu.com>
> ---
>   po/POTFILES.in           |  1 +
>   src/Makefile.am          |  1 +
>   src/libvirt_private.syms |  3 +++
>   src/qemu/qemu_process.c  | 34 +++------------------------
>   src/util/virnuma.c       | 61 ++++++++++++++++++++++++++++++++++++++++++++++++
>   src/util/virnuma.h       | 28 ++++++++++++++++++++++
>   6 files changed, 97 insertions(+), 31 deletions(-)
>   create mode 100644 src/util/virnuma.c
>   create mode 100644 src/util/virnuma.h
>
> diff --git PATCH v3po/POTFILES.in b/po/POTFILES.in
> index 5b5c3c2..771e83f 100644
> --- PATCH v3po/POTFILES.in	
> +++ b/po/POTFILES.in
> @@ -165,6 +165,7 @@ src/util/virnetdevtap.c
>   src/util/virnetdevvportprofile.c
>   src/util/virnetlink.c
>   src/util/virnodesuspend.c
> +src/util/virnuma.c
>   src/util/virobject.c
>   src/util/virpci.c
>   src/util/virpidfile.c
> diff --git PATCH v3src/Makefile.am b/src/Makefile.am
> index 8b591d2..2db03cb 100644
> --- PATCH v3src/Makefile.am	
> +++ b/src/Makefile.am
> @@ -103,6 +103,7 @@ UTIL_SOURCES =							\
>   		util/virnetdevvportprofile.h util/virnetdevvportprofile.c \
>   		util/virnetlink.c util/virnetlink.h		\
>   		util/virnodesuspend.c util/virnodesuspend.h	\
> +		util/virnuma.c util/virnuma.h			\
>   		util/virobject.c util/virobject.h		\
>   		util/virpci.c util/virpci.h			\
>   		util/virpidfile.c util/virpidfile.h		\
> diff --git PATCH v3src/libvirt_private.syms b/src/libvirt_private.syms
> index 5cad990..1374470 100644
> --- PATCH v3src/libvirt_private.syms	
> +++ b/src/libvirt_private.syms
> @@ -1545,6 +1545,9 @@ nodeSuspendForDuration;
>   virNodeSuspendGetTargetMask;
>
>
> +# util/virnuma.h
> +virNumaGetAutoPlacementAdvice;
> +
>   # util/virobject.h
>   virClassForObject;
>   virClassForObjectLockable;
> diff --git PATCH v3src/qemu/qemu_process.c b/src/qemu/qemu_process.c
> index 1941d4e..96ba70a 100644
> --- PATCH v3src/qemu/qemu_process.c	
> +++ b/src/qemu/qemu_process.c
> @@ -70,6 +70,7 @@
>   #include "virnetdevtap.h"
>   #include "virbitmap.h"
>   #include "viratomic.h"
> +#include "virnuma.h"
>
>   #define VIR_FROM_THIS VIR_FROM_QEMU
>
> @@ -1903,36 +1904,6 @@ qemuProcessInitNumaMemoryPolicy(virDomainObjPtr vm,
>   }
>   #endif
>
> -#if HAVE_NUMAD
> -static char *
> -qemuGetNumadAdvice(virDomainDefPtr def)
> -{
> -    virCommandPtr cmd = NULL;
> -    char *output = NULL;
> -
> -    cmd = virCommandNewArgList(NUMAD, "-w", NULL);
> -    virCommandAddArgFormat(cmd, "%d:%llu", def->vcpus,
> -                           VIR_DIV_UP(def->mem.cur_balloon, 1024));
> -
> -    virCommandSetOutputBuffer(cmd,&output);
> -
> -    if (virCommandRun(cmd, NULL)<  0)
> -        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> -                       _("Failed to query numad for the "
> -                         "advisory nodeset"));
> -
> -    virCommandFree(cmd);
> -    return output;
> -}
> -#else
> -static char *
> -qemuGetNumadAdvice(virDomainDefPtr def ATTRIBUTE_UNUSED)
> -{
> -    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> -                   _("numad is not available on this host"));
> -    return NULL;
> -}
> -#endif
>
>   /* Helper to prepare cpumap for affinity setting, convert
>    * NUMA nodeset into cpuset if @nodemask is not NULL, otherwise
> @@ -3637,7 +3608,8 @@ int qemuProcessStart(virConnectPtr conn,
>            VIR_DOMAIN_CPU_PLACEMENT_MODE_AUTO) ||
>           (vm->def->numatune.memory.placement_mode ==
>            VIR_DOMAIN_NUMATUNE_MEM_PLACEMENT_MODE_AUTO)) {
> -        nodeset = qemuGetNumadAdvice(vm->def);
> +        nodeset = virNumaGetAutoPlacementAdvice(vm->def->vcpus,
> +                                                vm->def->mem.cur_balloon);
>           if (!nodeset)
>               goto cleanup;
>
> diff --git PATCH v3src/util/virnuma.c b/src/util/virnuma.c
> new file mode 100644
> index 0000000..f6a6eb2
> --- /dev/null
> +++ b/src/util/virnuma.c
> @@ -0,0 +1,61 @@
> +/*
> + * virnuma.c: helper APIs for managing numa
> + *
> + * Copyright (C) 2011-2013 Red Hat, Inc.
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library.  If not, see
> + *<http://www.gnu.org/licenses/>.
> + *
> + */
> +
> +#include<config.h>
> +
> +#include "virnuma.h"
> +#include "vircommand.h"
> +#include "virerror.h"
> +
> +#define VIR_FROM_THIS VIR_FROM_NONE
> +
> +#if HAVE_NUMAD
> +char *
> +virNumaGetAutoPlacementAdvice(unsigned short vcpus,
> +                              unsigned long long balloon)
> +{
> +    virCommandPtr cmd = NULL;
> +    char *output = NULL;
> +
> +    cmd = virCommandNewArgList(NUMAD, "-w", NULL);
> +    virCommandAddArgFormat(cmd, "%d:%llu", vcpus,
> +                           VIR_DIV_UP(balloon, 1024));
> +
> +    virCommandSetOutputBuffer(cmd,&output);
> +
> +    if (virCommandRun(cmd, NULL)<  0)
> +        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> +                       _("Failed to query numad for the "
> +                         "advisory nodeset"));
> +
> +    virCommandFree(cmd);
> +    return output;
> +}
> +#else
> +char *
> +virNumaGetAutoPlacementAdvice(unsigned short vcpus ATTRIBUTE_UNUSED,
> +                              unsigned long long balloon ATTRIBUTE_UNUSED)
> +{
> +    virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> +                   _("numad is not available on this host"));
> +    return NULL;
> +}
> +#endif
> diff --git PATCH v3src/util/virnuma.h b/src/util/virnuma.h
> new file mode 100644
> index 0000000..d3d7d3e
> --- /dev/null
> +++ b/src/util/virnuma.h
> @@ -0,0 +1,28 @@
> +/*
> + * virnuma.h: helper APIs for managing numa
> + *
> + * Copyright (C) 2011-2013 Red Hat, Inc.
> + *
> + * This library is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU Lesser General Public
> + * License as published by the Free Software Foundation; either
> + * version 2.1 of the License, or (at your option) any later version.
> + *
> + * This library is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
> + * Lesser General Public License for more details.
> + *
> + * You should have received a copy of the GNU Lesser General Public
> + * License along with this library.  If not, see
> + *<http://www.gnu.org/licenses/>.
> + *
> + */
> +
> +#ifndef __VIR_NUMA_H__
> +# define __VIR_NUMA_H__
> +
> +char *virNumaGetAutoPlacementAdvice(unsigned short vcups,
> +                                    unsigned long long balloon);
> +
> +#endif /* __VIR_NUMA_H__ */

ACK.




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