diff mbox

[v3,11/18] QMP: include CpuInstanceProperties into query_cpus output output

Message ID 1494415802-227633-12-git-send-email-imammedo@redhat.com
State New
Headers show

Commit Message

Igor Mammedov May 10, 2017, 11:29 a.m. UTC
if board supports CpuInstanceProperties, report them for
each CPU thread listed. Main motivation for this is to
provide these properties introspection via QMP interface
for using in test cases to verify numa node to cpu mapping,
which includes not only boards that support cpu hotplug
and have this info in query-hotpluggable-cpus (pc/spapr)
but also for boards that don't not support hotpluggable-cpus
but support numa mapping (virt-arm).

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
---
v2:
  * fix checkpatch error and remove extra space after = (Eric)
---
 cpus.c           | 10 ++++++++++
 qapi-schema.json |  6 +++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

Comments

David Gibson May 11, 2017, 4:39 a.m. UTC | #1
On Wed, May 10, 2017 at 01:29:55PM +0200, Igor Mammedov wrote:
> if board supports CpuInstanceProperties, report them for
> each CPU thread listed. Main motivation for this is to
> provide these properties introspection via QMP interface
> for using in test cases to verify numa node to cpu mapping,
> which includes not only boards that support cpu hotplug
> and have this info in query-hotpluggable-cpus (pc/spapr)
> but also for boards that don't not support hotpluggable-cpus
> but support numa mapping (virt-arm).
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> Reviewed-by: Eric Blake <eblake@redhat.com>

Reviewed-by: David Gibson <david@gibson.dropbear.id.au>

> ---
> v2:
>   * fix checkpatch error and remove extra space after = (Eric)
> ---
>  cpus.c           | 10 ++++++++++
>  qapi-schema.json |  6 +++++-
>  2 files changed, 15 insertions(+), 1 deletion(-)
> 
> diff --git a/cpus.c b/cpus.c
> index 740b8dc..4f91d25 100644
> --- a/cpus.c
> +++ b/cpus.c
> @@ -50,6 +50,7 @@
>  #include "qapi-event.h"
>  #include "hw/nmi.h"
>  #include "sysemu/replay.h"
> +#include "hw/boards.h"
>  
>  #ifdef CONFIG_LINUX
>  
> @@ -1859,6 +1860,8 @@ void list_cpus(FILE *f, fprintf_function cpu_fprintf, const char *optarg)
>  
>  CpuInfoList *qmp_query_cpus(Error **errp)
>  {
> +    MachineState *ms = MACHINE(qdev_get_machine());
> +    MachineClass *mc = MACHINE_GET_CLASS(ms);
>      CpuInfoList *head = NULL, *cur_item = NULL;
>      CPUState *cpu;
>  
> @@ -1909,6 +1912,13 @@ CpuInfoList *qmp_query_cpus(Error **errp)
>  #else
>          info->value->arch = CPU_INFO_ARCH_OTHER;
>  #endif
> +        info->value->has_props = !!mc->cpu_index_to_instance_props;
> +        if (info->value->has_props) {
> +            CpuInstanceProperties *props;
> +            props = g_malloc0(sizeof(*props));
> +            *props = mc->cpu_index_to_instance_props(ms, cpu->cpu_index);
> +            info->value->props = props;
> +        }
>  
>          /* XXX: waiting for the qapi to support GSList */
>          if (!cur_item) {
> diff --git a/qapi-schema.json b/qapi-schema.json
> index bf48873..f1bcebe 100644
> --- a/qapi-schema.json
> +++ b/qapi-schema.json
> @@ -1325,6 +1325,9 @@
>  #
>  # @thread_id: ID of the underlying host thread
>  #
> +# @props: properties describing to which node/socket/core/thread
> +#         virtual CPU belongs to, provided if supported by board (since 2.10)
> +#
>  # @arch: architecture of the cpu, which determines which additional fields
>  #        will be listed (since 2.6)
>  #
> @@ -1335,7 +1338,8 @@
>  ##
>  { 'union': 'CpuInfo',
>    'base': {'CPU': 'int', 'current': 'bool', 'halted': 'bool',
> -           'qom_path': 'str', 'thread_id': 'int', 'arch': 'CpuInfoArch' },
> +           'qom_path': 'str', 'thread_id': 'int',
> +           '*props': 'CpuInstanceProperties', 'arch': 'CpuInfoArch' },
>    'discriminator': 'arch',
>    'data': { 'x86': 'CpuInfoX86',
>              'sparc': 'CpuInfoSPARC',
diff mbox

Patch

diff --git a/cpus.c b/cpus.c
index 740b8dc..4f91d25 100644
--- a/cpus.c
+++ b/cpus.c
@@ -50,6 +50,7 @@ 
 #include "qapi-event.h"
 #include "hw/nmi.h"
 #include "sysemu/replay.h"
+#include "hw/boards.h"
 
 #ifdef CONFIG_LINUX
 
@@ -1859,6 +1860,8 @@  void list_cpus(FILE *f, fprintf_function cpu_fprintf, const char *optarg)
 
 CpuInfoList *qmp_query_cpus(Error **errp)
 {
+    MachineState *ms = MACHINE(qdev_get_machine());
+    MachineClass *mc = MACHINE_GET_CLASS(ms);
     CpuInfoList *head = NULL, *cur_item = NULL;
     CPUState *cpu;
 
@@ -1909,6 +1912,13 @@  CpuInfoList *qmp_query_cpus(Error **errp)
 #else
         info->value->arch = CPU_INFO_ARCH_OTHER;
 #endif
+        info->value->has_props = !!mc->cpu_index_to_instance_props;
+        if (info->value->has_props) {
+            CpuInstanceProperties *props;
+            props = g_malloc0(sizeof(*props));
+            *props = mc->cpu_index_to_instance_props(ms, cpu->cpu_index);
+            info->value->props = props;
+        }
 
         /* XXX: waiting for the qapi to support GSList */
         if (!cur_item) {
diff --git a/qapi-schema.json b/qapi-schema.json
index bf48873..f1bcebe 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -1325,6 +1325,9 @@ 
 #
 # @thread_id: ID of the underlying host thread
 #
+# @props: properties describing to which node/socket/core/thread
+#         virtual CPU belongs to, provided if supported by board (since 2.10)
+#
 # @arch: architecture of the cpu, which determines which additional fields
 #        will be listed (since 2.6)
 #
@@ -1335,7 +1338,8 @@ 
 ##
 { 'union': 'CpuInfo',
   'base': {'CPU': 'int', 'current': 'bool', 'halted': 'bool',
-           'qom_path': 'str', 'thread_id': 'int', 'arch': 'CpuInfoArch' },
+           'qom_path': 'str', 'thread_id': 'int',
+           '*props': 'CpuInstanceProperties', 'arch': 'CpuInfoArch' },
   'discriminator': 'arch',
   'data': { 'x86': 'CpuInfoX86',
             'sparc': 'CpuInfoSPARC',