Re: [PATCHv2] perf kvm: add kvm-stat for arm64

[Sergey Senozhatsky]

On (20/09/16 15:51), Leo Yan wrote:
> On Wed, Sep 16, 2020 at 09:44:04AM +0900, Sergey Senozhatsky wrote:
> > On (20/09/15 21:21), Leo Yan wrote:
> > > 
> > > Sorry if I miss anything for this.
> > > 
> > 
> > No, you are absolutely right! I should have looked more attentively.
> > 
> > Is "IL" good enough for a decoded reason
> > 
> >  	{ARM_EXCEPTION_IRQ,		"IRQ"		},	\
> >  	{ARM_EXCEPTION_EL1_SERROR,	"SERROR"	},	\
> >  	{ARM_EXCEPTION_TRAP,		"TRAP"		},	\
> > +	{ARM_EXCEPTION_IL,		"IL"		}, \
> >  	{ARM_EXCEPTION_HYP_GONE,	"HYP_GONE"	}
> > 
> > or should there be "ILLEGAL", or maybe something even better?
> > ILLEGAL_EXC, etc.
> 
> I personally think "ILLEGAL" is neat and clear :)

OK.

By the way, arch/arm64/kernel/traps.c has esr_class_str[] with
decoded exception names. Maybe I can reuse some.

	-ss