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Re: [Qemu-devel] [PATCH v7 3/3] hmp: introduce 'info memory_size_summary


From: Igor Mammedov
Subject: Re: [Qemu-devel] [PATCH v7 3/3] hmp: introduce 'info memory_size_summary' command
Date: Thu, 14 Sep 2017 12:00:39 +0200

On Tue, 29 Aug 2017 17:30:22 +0200
Vadim Galitsyn <address@hidden> wrote:

> Add 'info memory_size_summary' command which is a sibling
> of QMP command query-memory-size-summary. It provides the
> following memory information in bytes:
> 
>   * base-memory - size of "base" memory specified with command line option -m.
> 
>   * plugged-memory - amount of memory that was hot-plugged.
>     If target does not have CONFIG_MEM_HOTPLUG enabled, no
>     value is reported.
> 
> Signed-off-by: Vasilis Liaskovitis <address@hidden>
> Signed-off-by: Mohammed Gamal <address@hidden>
> Signed-off-by: Eduardo Otubo <address@hidden>
> Signed-off-by: Vadim Galitsyn <address@hidden>
> Reviewed-by: Eugene Crosser <address@hidden>
> Cc: Dr. David Alan Gilbert <address@hidden>
> Cc: Markus Armbruster <address@hidden>
> Cc: Igor Mammedov <address@hidden>
> Cc: Eric Blake <address@hidden>
> Cc: address@hidden
> ---
>  hmp.h                |  1 +
>  hmp.c                | 18 ++++++++++++++++++
>  hmp-commands-info.hx | 16 ++++++++++++++++
>  3 files changed, 35 insertions(+)
> 
> diff --git a/hmp.h b/hmp.h
> index 1ff455295e..3605003e4c 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -145,5 +145,6 @@ void hmp_info_dump(Monitor *mon, const QDict *qdict);
>  void hmp_info_ramblock(Monitor *mon, const QDict *qdict);
>  void hmp_hotpluggable_cpus(Monitor *mon, const QDict *qdict);
>  void hmp_info_vm_generation_id(Monitor *mon, const QDict *qdict);
> +void hmp_info_memory_size_summary(Monitor *mon, const QDict *qdict);
>  
>  #endif
> diff --git a/hmp.c b/hmp.c
> index fd80dce758..b718dab4df 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -2868,3 +2868,21 @@ void hmp_info_vm_generation_id(Monitor *mon, const 
> QDict *qdict)
>      hmp_handle_error(mon, &err);
>      qapi_free_GuidInfo(info);
>  }
> +
> +void hmp_info_memory_size_summary(Monitor *mon, const QDict *qdict)
> +{
> +    Error *err = NULL;
> +    MemoryInfo *info = qmp_query_memory_size_summary(&err);
> +    if (info) {
> +        monitor_printf(mon, "base memory: %" PRIu64 "\n",
> +                       info->base_memory);
> +
> +        if (info->has_plugged_memory) {
> +            monitor_printf(mon, "plugged memory: %" PRIu64 "\n",
> +                           info->plugged_memory);
> +        }
> +
> +        qapi_free_MemoryInfo(info);
> +    }
> +    hmp_handle_error(mon, &err);
> +}
> diff --git a/hmp-commands-info.hx b/hmp-commands-info.hx
> index d9df238a5f..04c9db81f6 100644
> --- a/hmp-commands-info.hx
> +++ b/hmp-commands-info.hx
> @@ -849,6 +849,22 @@ ETEXI
>          .cmd = hmp_info_vm_generation_id,
>      },
>  
> +STEXI
> address@hidden info memory_size_summary
> address@hidden memory_size_summary
> +Display the amount of initially allocated and hot-plugged (if
s/hot-plugged/present hotpluggable/

> +enabled) memory in bytes.
> +ETEXI
> +
> +    {
> +        .name       = "memory_size_summary",
> +        .args_type  = "",
> +        .params     = "",
> +        .help       = "show the amount of initially allocated and "
> +                      "hot-plugged (if enabled) memory in bytes.",
ditto

> +        .cmd        = hmp_info_memory_size_summary,
> +    },
> +
>  STEXI
>  @end table
>  ETEXI




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