[Intel-gfx] [igt-dev] [PATCH i-g-t] intel_gpu_top: Document how to use JSON output

[Tvrtko Ursulin]

On 01/04/2021 15:49, Matthew Auld wrote:
> On Wed, 31 Mar 2021 at 10:12, Tvrtko Ursulin
> <tvrtko.ursulin at linux.intel.com> wrote:
>>
>> From: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>>
>> Put a note on how to use JSON output into the man page.
>>
>> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
>> References: https://gitlab.freedesktop.org/drm/igt-gpu-tools/-/issues/100
>> ---
>>   man/intel_gpu_top.rst | 5 +++++
>>   1 file changed, 5 insertions(+)
>>
>> diff --git a/man/intel_gpu_top.rst b/man/intel_gpu_top.rst
>> index f6d74852558b..94fdc6520fd3 100644
>> --- a/man/intel_gpu_top.rst
>> +++ b/man/intel_gpu_top.rst
>> @@ -81,6 +81,11 @@ Filter types: ::
>>       pci      pci:[vendor=%04x/name][,device=%04x][,card=%d]
>>                vendor is hex number or vendor name
>>
>> +JSON OUTPUT
>> +===========
>> +
>> +To parse the JSON as output by the tool the consumer should wrap its entirety into square brackets ([ ]). This will make each sample point an JSON array element and will avoid "Multiple root elements" JSON validation error.
>> +
> 
> a JSON array element
> 
> It could be argued that this should go into LIMITATIONS?

Hm yes, 50-50 or you lean more towards limitations? Otherwise inertia 
says it can also stay as is.

Regards,

Tvrtko

> Acked-by: Matthew Auld <matthew.auld at intel.com>
> 
>>   LIMITATIONS
>>   ===========
>>
>> --
>> 2.27.0
>>
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