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-rw-r--r--tools/power/x86/turbostat/turbostat.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index ad5688914446..064749de75b1 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -83,7 +83,8 @@ unsigned int do_dts;
unsigned int do_ptm;
unsigned int tcc_activation_temp;
unsigned int tcc_activation_temp_override;
-double rapl_power_units, rapl_energy_units, rapl_time_units;
+double rapl_power_units, rapl_time_units;
+double rapl_dram_energy_units, rapl_energy_units;
double rapl_joule_counter_range;
unsigned int do_core_perf_limit_reasons;
unsigned int do_gfx_perf_limit_reasons;
@@ -600,7 +601,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
if (do_rapl & RAPL_GFX)
outp += sprintf(outp, fmt8, p->energy_gfx * rapl_energy_units / interval_float);
if (do_rapl & RAPL_DRAM)
- outp += sprintf(outp, fmt8, p->energy_dram * rapl_energy_units / interval_float);
+ outp += sprintf(outp, fmt8, p->energy_dram * rapl_dram_energy_units / interval_float);
if (do_rapl & RAPL_PKG_PERF_STATUS)
outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
if (do_rapl & RAPL_DRAM_PERF_STATUS)
@@ -617,7 +618,7 @@ int format_counters(struct thread_data *t, struct core_data *c,
p->energy_gfx * rapl_energy_units);
if (do_rapl & RAPL_DRAM)
outp += sprintf(outp, fmt8,
- p->energy_dram * rapl_energy_units);
+ p->energy_dram * rapl_dram_energy_units);
if (do_rapl & RAPL_PKG_PERF_STATUS)
outp += sprintf(outp, fmt8, 100.0 * p->rapl_pkg_perf_status * rapl_time_units / interval_float);
if (do_rapl & RAPL_DRAM_PERF_STATUS)
@@ -1935,6 +1936,25 @@ double get_tdp(model)
}
}
+/*
+ * rapl_dram_energy_units_probe()
+ * Energy units are either hard-coded, or come from RAPL Energy Unit MSR.
+ */
+static double
+rapl_dram_energy_units_probe(int model, double rapl_energy_units)
+{
+ /* only called for genuine_intel, family 6 */
+
+ switch (model) {
+ case 0x3F: /* HSX */
+ case 0x4F: /* BDX */
+ case 0x56: /* BDX-DE */
+ return (rapl_dram_energy_units = 15.3 / 1000000);
+ default:
+ return (rapl_energy_units);
+ }
+}
+
/*
* rapl_probe()
@@ -1994,6 +2014,8 @@ void rapl_probe(unsigned int family, unsigned int model)
else
rapl_energy_units = 1.0 / (1 << (msr >> 8 & 0x1F));
+ rapl_dram_energy_units = rapl_dram_energy_units_probe(model, rapl_energy_units);
+
time_unit = msr >> 16 & 0xF;
if (time_unit == 0)
time_unit = 0xA;