Re: [PATCH v2 1/5] perf tools: Improve handling of hybrid PMUs in perf_event_attr__fprintf

[Namhyung Kim]

On Thu, 06 Mar 2025 18:39:02 -0800, Ian Rogers wrote:
> Support the PMU name from the legacy hardware and hw_cache PMU
> extended types.  Remove some macros and make variables more intention
> revealing, rather than just being called "value".
> 
> Before:
> ```
> $ perf stat -vv -e instructions true
> ...
> ------------------------------------------------------------
> perf_event_attr:
>   type                             0 (PERF_TYPE_HARDWARE)
>   size                             136
>   config                           0xa00000001
>   sample_type                      IDENTIFIER
>   read_format                      TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
>   disabled                         1
>   inherit                          1
>   enable_on_exec                   1
>   exclude_guest                    1
> ------------------------------------------------------------
> sys_perf_event_open: pid 181636  cpu -1  group_fd -1  flags 0x8 = 5
> ------------------------------------------------------------
> perf_event_attr:
>   type                             0 (PERF_TYPE_HARDWARE)
>   size                             136
>   config                           0x400000001
>   sample_type                      IDENTIFIER
>   read_format                      TOTAL_TIME_ENABLED|TOTAL_TIME_RUNNING
>   disabled                         1
>   inherit                          1
>   enable_on_exec                   1
>   exclude_guest                    1
> ------------------------------------------------------------
> sys_perf_event_open: pid 181636  cpu -1  group_fd -1  flags 0x8 = 6
> ...
> ```
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung