On Mar 18 23:48, Philippe Mathieu-Daudé wrote:
> On 03/16/2018 09:31 PM, Aaron Lindsay wrote:
> > The instruction event is only enabled when icount is used, cycles are
> > always supported. Always defining get_cycle_count (but altering its
> > behavior depending on CONFIG_USER_ONLY) allows us to remove some
> > CONFIG_USER_ONLY #defines throughout the rest of the code.
> >
> > Signed-off-by: Aaron Lindsay <[email protected]>
> > ---
> [...]> #define SUPPORTED_EVENT_SENTINEL UINT16_MAX
> > static const pm_event pm_events[] = {
> > +#ifndef CONFIG_USER_ONLY
> > + { .number = 0x008, /* INST_RETIRED */
>
> "Instruction architecturally executed" seems more explicit to me.
I've updated v4 to include this wording as well.
> > + .supported = instructions_supported,
> > + .get_count = instructions_get_count
> > + },
> > + { .number = 0x011, /* CPU_CYCLES */
> > + .supported = event_always_supported,
> > + .get_count = cycles_get_count
> > + },
> > +#endif
> [...]
-Aaron
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