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-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_rapl.c31
1 files changed, 24 insertions, 7 deletions
diff --git a/arch/x86/kernel/cpu/perf_event_intel_rapl.c b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
index 0e3754e..5ad35ad 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_rapl.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_rapl.c
@@ -27,6 +27,10 @@
* event: rapl_energy_dram
* perf code: 0x3
*
+ * dram counter: consumption of the builtin-gpu domain (client only)
+ * event: rapl_energy_gpu
+ * perf code: 0x4
+ *
* We manage those counters as free running (read-only). They may be
* use simultaneously by other tools, such as turbostat.
*
@@ -55,10 +59,13 @@
#define INTEL_RAPL_PKG 0x2 /* pseudo-encoding */
#define RAPL_IDX_RAM_NRG_STAT 2 /* DRAM */
#define INTEL_RAPL_RAM 0x3 /* pseudo-encoding */
+#define RAPL_IDX_PP1_NRG_STAT 3 /* DRAM */
+#define INTEL_RAPL_PP1 0x4 /* pseudo-encoding */
/* Clients have PP0, PKG */
#define RAPL_IDX_CLN (1<<RAPL_IDX_PP0_NRG_STAT|\
- 1<<RAPL_IDX_PKG_NRG_STAT)
+ 1<<RAPL_IDX_PKG_NRG_STAT|\
+ 1<<RAPL_IDX_PP1_NRG_STAT)
/* Servers have PP0, PKG, RAM */
#define RAPL_IDX_SRV (1<<RAPL_IDX_PP0_NRG_STAT|\
@@ -315,6 +322,10 @@ static int rapl_pmu_event_init(struct perf_event *event)
bit = RAPL_IDX_RAM_NRG_STAT;
msr = MSR_DRAM_ENERGY_STATUS;
break;
+ case INTEL_RAPL_PP1:
+ bit = RAPL_IDX_PP1_NRG_STAT;
+ msr = MSR_PP1_ENERGY_STATUS;
+ break;
default:
return -EINVAL;
}
@@ -367,19 +378,22 @@ static struct attribute_group rapl_pmu_attr_group = {
};
EVENT_ATTR_STR(energy-cores, rapl_cores, "event=0x01");
-EVENT_ATTR_STR(energy-pkg , rapl_pkg, "event=0x02");
-EVENT_ATTR_STR(energy-ram , rapl_ram, "event=0x03");
+EVENT_ATTR_STR(energy-pkg , rapl_pkg, "event=0x02");
+EVENT_ATTR_STR(energy-ram , rapl_ram, "event=0x03");
+EVENT_ATTR_STR(energy-gpu , rapl_gpu, "event=0x04");
EVENT_ATTR_STR(energy-cores.unit, rapl_cores_unit, "Joules");
-EVENT_ATTR_STR(energy-pkg.unit , rapl_pkg_unit, "Joules");
-EVENT_ATTR_STR(energy-ram.unit , rapl_ram_unit, "Joules");
+EVENT_ATTR_STR(energy-pkg.unit , rapl_pkg_unit, "Joules");
+EVENT_ATTR_STR(energy-ram.unit , rapl_ram_unit, "Joules");
+EVENT_ATTR_STR(energy-gpu.unit , rapl_gpu_unit, "Joules");
/*
* we compute in 0.23 nJ increments regardless of MSR
*/
EVENT_ATTR_STR(energy-cores.scale, rapl_cores_scale, "2.3283064365386962890625e-10");
-EVENT_ATTR_STR(energy-pkg.scale, rapl_pkg_scale, "2.3283064365386962890625e-10");
-EVENT_ATTR_STR(energy-ram.scale, rapl_ram_scale, "2.3283064365386962890625e-10");
+EVENT_ATTR_STR(energy-pkg.scale, rapl_pkg_scale, "2.3283064365386962890625e-10");
+EVENT_ATTR_STR(energy-ram.scale, rapl_ram_scale, "2.3283064365386962890625e-10");
+EVENT_ATTR_STR(energy-gpu.scale, rapl_gpu_scale, "2.3283064365386962890625e-10");
static struct attribute *rapl_events_srv_attr[] = {
EVENT_PTR(rapl_cores),
@@ -399,12 +413,15 @@ static struct attribute *rapl_events_srv_attr[] = {
static struct attribute *rapl_events_cln_attr[] = {
EVENT_PTR(rapl_cores),
EVENT_PTR(rapl_pkg),
+ EVENT_PTR(rapl_gpu),
EVENT_PTR(rapl_cores_unit),
EVENT_PTR(rapl_pkg_unit),
+ EVENT_PTR(rapl_gpu_unit),
EVENT_PTR(rapl_cores_scale),
EVENT_PTR(rapl_pkg_scale),
+ EVENT_PTR(rapl_gpu_scale),
NULL,
};