tools/power turbostat: Support Elkhart Lake

From a turbostat point of view the Tremont-based Elkhart Lake
is very similar to Goldmont, reuse the code of Goldmont.

Elkhart Lake does not support 'group turbo limit counter'
nor C3, adjust the code accordingly.

Signed-off-by: Chen Yu <yu.c.chen@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index e953afb2e7a1537cc4dfd666291308356232faa0..761146c4f9bc005252326bf580299cf408f21f7b 100644 (file)
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -3265,6 +3265,7 @@ int probe_nhm_msrs(unsigned int family, unsigned int model)
        case INTEL_FAM6_ATOM_GOLDMONT:  /* BXT */
        case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
        case INTEL_FAM6_ATOM_GOLDMONT_D:        /* DNV */
+       case INTEL_FAM6_ATOM_TREMONT:   /* EHL */
                pkg_cstate_limits = glm_pkg_cstate_limits;
                break;
        default:
@@ -3336,6 +3337,17 @@ int is_skx(unsigned int family, unsigned int model)
        }
        return 0;
 }
+int is_ehl(unsigned int family, unsigned int model)
+{
+       if (!genuine_intel)
+               return 0;
+
+       switch (model) {
+       case INTEL_FAM6_ATOM_TREMONT:
+               return 1;
+       }
+       return 0;
+}
 
 int has_turbo_ratio_limit(unsigned int family, unsigned int model)
 {
@@ -3894,6 +3906,20 @@ void rapl_probe_intel(unsigned int family, unsigned int model)
                else
                        BIC_PRESENT(BIC_PkgWatt);
                break;
+       case INTEL_FAM6_ATOM_TREMONT:   /* EHL */
+               do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO;
+               if (rapl_joules) {
+                       BIC_PRESENT(BIC_Pkg_J);
+                       BIC_PRESENT(BIC_Cor_J);
+                       BIC_PRESENT(BIC_RAM_J);
+                       BIC_PRESENT(BIC_GFX_J);
+               } else {
+                       BIC_PRESENT(BIC_PkgWatt);
+                       BIC_PRESENT(BIC_CorWatt);
+                       BIC_PRESENT(BIC_RAMWatt);
+                       BIC_PRESENT(BIC_GFXWatt);
+               }
+               break;
        case INTEL_FAM6_SKYLAKE_L:      /* SKL */
        case INTEL_FAM6_CANNONLAKE_L:   /* CNL */
                do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO;
@@ -4295,6 +4321,7 @@ int has_snb_msrs(unsigned int family, unsigned int model)
        case INTEL_FAM6_ATOM_GOLDMONT:          /* BXT */
        case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
        case INTEL_FAM6_ATOM_GOLDMONT_D:        /* DNV */
+       case INTEL_FAM6_ATOM_TREMONT:           /* EHL */
                return 1;
        }
        return 0;
@@ -4324,6 +4351,7 @@ int has_c8910_msrs(unsigned int family, unsigned int model)
        case INTEL_FAM6_CANNONLAKE_L:   /* CNL */
        case INTEL_FAM6_ATOM_GOLDMONT:  /* BXT */
        case INTEL_FAM6_ATOM_GOLDMONT_PLUS:
+       case INTEL_FAM6_ATOM_TREMONT:   /* EHL */
                return 1;
        }
        return 0;
@@ -4882,7 +4910,8 @@ void process_cpuid()
        do_slm_cstates = is_slm(family, model);
        do_knl_cstates  = is_knl(family, model);
 
-       if (do_slm_cstates || do_knl_cstates || is_cnl(family, model))
+       if (do_slm_cstates || do_knl_cstates || is_cnl(family, model) ||
+           is_ehl(family, model))
                BIC_NOT_PRESENT(BIC_CPU_c3);
 
        if (!quiet)