Re: [Qemu-devel] [PATCH v5] hmp: add info iothreads command

[Luiz Capitulino <lcapitulino@redhat.com>]

On Fri, 26 Jun 2015 16:07:13 +0800
Ting Wang <kathy.wangting@huawei.com> wrote:

> Make "info iothreads" available on the HMP monitor.
> 
> For example, the results are as follows when executing qemu
> command with "-object iothread,id=iothread-1 -object 
> iothread,id=iothread-2".
> (qemu) info iothreads
> iothread-1: thread_id=123
> iothread-2: thread_id=456
> 
> Signed-off-by: Ting Wang <kathy.wangting@huawei.com>

Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>

Markus will take this patch via his tree.

> ---
> v5: use "for" instead of "while"
> ---
>  hmp-commands.hx |  2 ++
>  hmp.c           | 13 +++++++++++++
>  hmp.h           |  1 +
>  monitor.c       |  7 +++++++
>  4 files changed, 23 insertions(+)execute
> 
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index d3b7932..c8c8d79 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1790,6 +1790,8 @@ show roms
>  show the TPM device
>  @item info memory-devices
>  show the memory devices
> +@item info iothreads
> +show iothreads
>  @end table
>  ETEXI
>  
> diff --git a/hmp.c b/hmp.c
> index 070aaf8..7192494 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -1963,6 +1963,19 @@ void hmp_info_memory_devices(Monitor *mon, const QDict *qdict)
>      qapi_free_MemoryDeviceInfoList(info_list);
>  }
>  
> +void hmp_info_iothreads(Monitor *mon, const QDict *qdict)
> +{
> +    IOThreadInfoList *info_list = qmp_query_iothreads(NULL);
> +    IOThreadInfoList *info;
> +
> +    for (info = info_list; info; info = info->next) {
> +        monitor_printf(mon, "%s: thread_id=%" PRId64 "\n",
> +                       info->value->id, info->value->thread_id);
> +    }
> +
> +    qapi_free_IOThreadInfoList(info_list);
> +}
> +
>  void hmp_qom_list(Monitor *mon, const QDict *qdict)
>  {
>      const char *path = qdict_get_try_str(qdict, "path");
> diff --git a/hmp.h b/hmp.h
> index 0cf4f2a..c139a97 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -39,6 +39,7 @@ void hmp_info_balloon(Monitor *mon, const QDict *qdict);
>  void hmp_info_pci(Monitor *mon, const QDict *qdict);
>  void hmp_info_block_jobs(Monitor *mon, const QDict *qdict);
>  void hmp_info_tpm(Monitor *mon, const QDict *qdict);
> +void hmp_info_iothreads(Monitor *mon, const QDict *qdict);
>  void hmp_quit(Monitor *mon, const QDict *qdict);
>  void hmp_stop(Monitor *mon, const QDict *qdict);
>  void hmp_system_reset(Monitor *mon, const QDict *qdict);
> diff --git a/monitor.c b/monitor.c
> index aeea2b5..917e827 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -2850,6 +2850,13 @@ static mon_cmd_t info_cmds[] = {
>          .mhandler.cmd = hmp_info_memory_devices,
>      },
>      {
> +        .name       = "iothreads",
> +        .args_type  = "",
> +        .params     = "",
> +        .help       = "show iothreads",
> +        .mhandler.cmd = hmp_info_iothreads,
> +    },
> +    {
>          .name       = "rocker",
>          .args_type  = "name:s",
>          .params     = "name",