Re: [Qemu-devel] [PATCH 2/3] qmp: add query-cpus-fast

[Viktor Mihajlovski <mihajlov@linux.vnet.ibm.com>]

On 12.02.2018 17:50, Dr. David Alan Gilbert wrote:
[...]
>> diff --git a/hmp.c b/hmp.c
>> index a6b94b7..598bfe5 100644
>> --- a/hmp.c
>> +++ b/hmp.c
>> @@ -410,6 +410,27 @@ void hmp_info_cpus(Monitor *mon, const QDict *qdict)
>>      qapi_free_CpuInfoList(cpu_list);
>>  }
>>  
>> +void hmp_info_cpus_fast(Monitor *mon, const QDict *qdict)
>> +{
>> +    CpuInfoFastList *head, *cpu;
>> +    TargetInfo *target;
>> +
>> +    target = qmp_query_target(NULL);
>> +    monitor_printf(mon, "CPU architecture is '%s'\n\n", target->arch);
>> +    qapi_free_TargetInfo(target);
>> +
>> +    head = qmp_query_cpus_fast(NULL);
>> +
>> +    for (cpu = head; cpu; cpu = cpu->next) {
>> +        monitor_printf(mon, "CPU%" PRId64 "\n", cpu->value->cpu_index);
>> +        monitor_printf(mon, " thread-id=%" PRId64 "\n", cpu->value->thread_id);
>> +        monitor_printf(mon, " qom-path=%s\n", cpu->value->qom_path);
>> +        monitor_printf(mon, "\n");
>> +    }
I started some prototyping in libvirt and stumbled over the changed
layout of "info cpus_fast" vs. "info cpus". IMHO it would be better to
stick with the original format (one line per CPU). I'll post a v2.
>> +
>> +    qapi_free_CpuInfoFastList(head);
>> +}
>> +
>>  static void print_block_info(Monitor *mon, BlockInfo *info,
>>                               BlockDeviceInfo *inserted, bool verbose)
>>  {
>> diff --git a/hmp.h b/hmp.h
>> index 1143db4..93fb4e4 100644
>> --- a/hmp.h
>> +++ b/hmp.h
>> @@ -29,6 +29,7 @@ void hmp_info_migrate_capabilities(Monitor *mon, const QDict *qdict);
>>  void hmp_info_migrate_parameters(Monitor *mon, const QDict *qdict);
>>  void hmp_info_migrate_cache_size(Monitor *mon, const QDict *qdict);
>>  void hmp_info_cpus(Monitor *mon, const QDict *qdict);
>> +void hmp_info_cpus_fast(Monitor *mon, const QDict *qdict);
>>  void hmp_info_block(Monitor *mon, const QDict *qdict);
>>  void hmp_info_blockstats(Monitor *mon, const QDict *qdict);
>>  void hmp_info_vnc(Monitor *mon, const QDict *qdict);
> 
> For HMP:
> 
> Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> 
[...]

-- 
Regards,
 Viktor Mihajlovski