Re: [Qemu-devel] [PATCH v4] hmp: add info iothreads command

[Fam Zheng <famz@redhat.com>]

On Fri, 03/13 16:58, Ting Wang wrote:
> Make "info iothreads" available on the HMP monitor.
> 
> The results are as follows:
> id1: thread_id=thread_id1
> id2: thread_id=thread_id2
> 
> Signed-off-by: Ting Wang <kathy.wangting@huawei.com>
> ---
> v4: use the PRId64 format specifier macro for the int64_t thread_id
> v3: fix comment and the trailing whitespace
> v2: add braces for if
> ---
>  hmp-commands.hx |  2 ++
>  hmp.c           | 22 ++++++++++++++++++++++
>  hmp.h           |  1 +
>  monitor.c       |  7 +++++++
>  4 files changed, 32 insertions(+)
> 
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index d5022d8..67d76ed 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -1746,6 +1746,8 @@ 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 71c28bc..445a8ad 100644
> --- a/hmp.c
> +++ b/hmp.c
> @@ -821,6 +821,28 @@ void hmp_info_tpm(Monitor *mon, const QDict *qdict)
>      qapi_free_TPMInfoList(info_list);
>  }
>  
> +void hmp_info_iothreads(Monitor *mon, const QDict *qdict)
> +{
> +    IOThreadInfoList *head = NULL, *elem = NULL;
> +
> +    head = qmp_query_iothreads(NULL);
> +    if (!head) {
> +        monitor_printf(mon, "No iothread has been added\n");
> +        return;
> +    }
> +
> +    elem = head;
> +    while (elem) {
> +        if (elem->value) {
> +            monitor_printf(mon, "%s: thread_id=%" PRId64 "\n", elem->value->id,
> +                    elem->value->thread_id);
> +        }
> +        elem = elem->next;
> +    }
> +
> +    qapi_free_IOThreadInfoList(head);
> +}
> +
>  void hmp_quit(Monitor *mon, const QDict *qdict)
>  {
>      monitor_suspend(mon);
> diff --git a/hmp.h b/hmp.h
> index 81177b2..d99090e 100644
> --- a/hmp.h
> +++ b/hmp.h
> @@ -38,6 +38,7 @@ 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 c86a89e..076a306 100644
> --- a/monitor.c
> +++ b/monitor.c
> @@ -2924,6 +2924,13 @@ 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       = NULL,
>      },
>  };
> -- 
> 1.8.5

Looks good, thanks!

Reviewed-by: Fam Zheng <famz@redhat.com>