linux-kernel - Re: [PATCH]powerpc/perf: Replace raw event hex values with #def

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Message-ID: <571881A1.5060309@linux.vnet.ibm.com>
Date:	Thu, 21 Apr 2016 13:00:41 +0530
From:	Madhavan Srinivasan <maddy@...ux.vnet.ibm.com>
To:	Michael Ellerman <mpe@...erman.id.au>
Cc:	linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH]powerpc/perf: Replace raw event hex values with #def



On Thursday 21 April 2016 12:08 PM, Michael Ellerman wrote:
> On Thu, 2016-04-21 at 09:30 +0530, Madhavan Srinivasan wrote:
>> @@ -488,17 +489,17 @@ static int power8_compute_mmcr(u64 event[], int n_ev,
>>  
>>  /* Table of alternatives, sorted by column 0 */
>>  static const unsigned int event_alternatives[][MAX_ALT] = {
>> -	{ 0x10134, 0x301e2 },		/* PM_MRK_ST_CMPL */
>> -	{ 0x10138, 0x40138 },		/* PM_BR_MRK_2PATH */
>> -	{ 0x18082, 0x3e05e },		/* PM_L3_CO_MEPF */
>> -	{ 0x1d14e, 0x401e8 },		/* PM_MRK_DATA_FROM_L2MISS */
>> -	{ 0x1e054, 0x4000a },		/* PM_CMPLU_STALL */
>> -	{ 0x20036, 0x40036 },		/* PM_BR_2PATH */
>> -	{ 0x200f2, 0x300f2 },		/* PM_INST_DISP */
>> -	{ 0x200f4, 0x600f4 },		/* PM_RUN_CYC */
>> -	{ 0x2013c, 0x3012e },		/* PM_MRK_FILT_MATCH */
>> -	{ 0x3e054, 0x400f0 },		/* PM_LD_MISS_L1 */
>> -	{ 0x400fa, 0x500fa },		/* PM_RUN_INST_CMPL */
>> +	{ PM_MRK_ST_CMPL,		_PM_MRK_ST_CMPL },
>> +	{ PM_BR_MRK_2PATH,		_PM_BR_MRK_2PATH },
>> +	{ PM_L3_CO_MEPF,		_PM_L3_CO_MEPF },
>> +	{ PM_MRK_DATA_FROM_L2MISS,	_PM_MRK_DATA_FROM_L2MISS },
>> +	{ PM_CMPLU_STALL,		_PM_CMPLU_STALL },
>> +	{ PM_BR_2PATH,			_PM_BR_2PATH },
>> +	{ PM_INST_DISP,			_PM_INST_DISP },
>> +	{ _PM_RUN_CYC,			PM_RUN_CYC },
>> +	{ PM_MRK_FILT_MATCH,		_PM_MRK_FILT_MATCH },
>> +	{ PM_LD_MISS_L1,		_PM_LD_MISS_L1 },
>> +	{ _PM_RUN_INST_CMPL,		PM_RUN_INST_CMPL },
> I think I'd prefer it if the alternate events were named more like
> PM_MRK_ST_CMPL_ALT, or ALT_PM_MRK_ST_CMPL ?

Sure. Will resend with the changes.

Thanks for review
Maddy

> cheers
>