Re: [PATCH] perf tool_pmu: Add skip check in tool_pmu__event_to_str()

[Namhyung Kim]

On Fri, 07 Feb 2025 07:28:44 -0800, kan.liang@xxxxxxxxxxxxxxx wrote:
> Some topdown related metrics may fail on hybrid machines.
> 
>  $perf stat -M tma_frontend_bound
>  Cannot resolve IDs for tma_frontend_bound:
>  cpu_atom@TOPDOWN_FE_BOUND.ALL@ / (8 * cpu_atom@CPU_CLK_UNHALTED.CORE@)
> 
> In the find_tool_events(), the tool_pmu__event_to_str() is used to
> compare the tool_events. It only checks the event name, no PMU or arch.
> So the tool_events[TOOL_PMU__EVENT_SLOTS] is set to true, because the
> p-core Topdown metrics has "slots" event.
> The tool_events is shared. So when parsing the e-core metrics, the
> "slots" is automatically added.
> 
> [...]
Applied to perf-tools-next, thanks!

Best regards,
Namhyung