Re: [PATCH v1 3/3] perf arm-spe: Support data source for Cortex-X4 CPU

[Leo Yan]

Hi Anshuman,

On Mon, Jul 24, 2023 at 12:27:31PM +0530, Anshuman Khandual wrote:

[...]

> > -static const struct midr_range neoverse_spe[] = {
> > +static const struct midr_range cpus_use_default_data_src[] = {
> 
> Is not 'cpus_use_default_data_src' too long ? 'use' could be dropped ?

Okay, I can drop 'use'.

> >  	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1),
> >  	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
> >  	MIDR_ALL_VERSIONS(MIDR_NEOVERSE_V1),
> > +	MIDR_ALL_VERSIONS(MIDR_CORTEX_X4),
> >  	{},
> >  };

[...]

> >  static u64 arm_spe__synth_data_source(const struct arm_spe_record *record, u64 midr)
> >  {
> >  	union perf_mem_data_src	data_src = { .mem_op = PERF_MEM_OP_NA };
> > -	bool is_neoverse = is_midr_in_range_list(midr, neoverse_spe);
> > +	bool is_default_dc =
> 
> _dc stands for ?

Thanks for pointing out this; actually I mean '_ds' which stands for
data source.  Will spin a new patch for this.

Thanks for review!

Leo