Ping.
On Fri, 2015-05-29 at 10:06 -0700, Jacob Pan wrote:
> On Tue, 26 May 2015 11:47:39 -0700
> Dasaratharaman Chandramouli <dasaratharaman.chandramo...@intel.com>
> wrote:
>
> > Knights Landing DRAM RAPL supports PKG and DRAM RAPL domains.
> > DRAM RAPL has a different fixed energy unit (2^-16J) similar to
> > that of HSW.
> >
> Acked-by: Jacob Pan <jacob.jun....@linux.intel.com>
> > Signed-off-by: Dasaratharaman Chandramouli
> > <dasaratharaman.chandramo...@intel.com> ---
> > arch/x86/kernel/cpu/perf_event_intel_rapl.c | 20 ++++++++++++++++++++
> > 1 file changed, 20 insertions(+)
> >
> > diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
> > b/arch/x86/kernel/cpu/perf_event_intel_rapl.c index 999289b9..96633fb
> > 100644 --- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
> > +++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
> > @@ -86,6 +86,10 @@ static const char
> > *rapl_domain_names[NR_RAPL_DOMAINS] __initconst =
> > { 1<<RAPL_IDX_RAM_NRG_STAT|\ 1<<RAPL_IDX_PP1_NRG_STAT)
> >
> > +/* Knights Landing has PKG, RAM */
> > +#define RAPL_IDX_KNL (1<<RAPL_IDX_PKG_NRG_STAT|\
> > + 1<<RAPL_IDX_RAM_NRG_STAT)
> > +
> > /*
> > * event code: LSB 8 bits, passed in attr->config
> > * any other bit is reserved
> > @@ -487,6 +491,18 @@ static struct attribute *rapl_events_hsw_attr[]
> > = { NULL,
> > };
> >
> > +static struct attribute *rapl_events_knl_attr[] = {
> > + EVENT_PTR(rapl_pkg),
> > + EVENT_PTR(rapl_ram),
> > +
> > + EVENT_PTR(rapl_pkg_unit),
> > + EVENT_PTR(rapl_ram_unit),
> > +
> > + EVENT_PTR(rapl_pkg_scale),
> > + EVENT_PTR(rapl_ram_scale),
> > + NULL,
> > +};
> > +
> > static struct attribute_group rapl_pmu_events_group = {
> > .name = "events",
> > .attrs = NULL, /* patched at runtime */
> > @@ -730,6 +746,10 @@ static int __init rapl_pmu_init(void)
> > rapl_cntr_mask = RAPL_IDX_SRV;
> > rapl_pmu_events_group.attrs = rapl_events_srv_attr;
> > break;
> > + case 87: /* Knights Landing */
> > + rapl_add_quirk(rapl_hsw_server_quirk);
> > + rapl_cntr_mask = RAPL_IDX_KNL;
> > + rapl_pmu_events_group.attrs = rapl_events_knl_attr;
> >
> > default:
> > /* unsupported */
>
> [Jacob Pan]
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
Please read the FAQ at http://www.tux.org/lkml/
