[PATCH] perf jevents: Fix event code for events referencing std arch events

[John Garry]

On 09/10/2020 12:26, kajoljain wrote:
> 
> On 10/8/20 8:49 PM, John Garry wrote:
>> The event code for events referencing std arch events is incorrectly
>> evaluated in json_events().
>>
>> The issue is that je.event is evaluated properly from try_fixup(), but
>> later NULLified from the real_event() call, as "event" may be NULL.
>>
>> Fix by setting "event" same je.event in try_fixup().
>>
>> Also remove support for overwriting event code for events using std arch
>> events, as it is not used.
> Patch looks good to me. Not sure if any adding any example with this issue
> is helpful.

So we get something like this in pmu-events.c:

{
         .name = "l1d_cache_wb_victim",
         .event = "event=0x0",
[...]
},

But event should "event=0x46".

I can add this if Arnaldo wants a v2.

> 
> Reviewed-By: Kajol Jain<kjain at linux.ibm.com>

thanks