Messages in this thread | | | Subject | Re: [PATCH] perf/x86/intel/rapl: Add support for Knights Landing (KNL) | From | Dasaratharaman Chandramouli <> | Date | Mon, 22 Jun 2015 10:17:47 -0700 |
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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.chandramouli@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.pan@linux.intel.com> > > Signed-off-by: Dasaratharaman Chandramouli > > <dasaratharaman.chandramouli@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]
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