hwmon: (fam15h_power) Add ptsc counter value for accumulated power

[linux-2.6-block.git] / drivers / hwmon / fam15h_power.c

diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index 4edbaf0831308c7ff0840bd38728342ab32ed24c..336d422fb8634cd91e0681bd36267bb14f147f0e 100644 (file)
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -50,6 +50,7 @@ MODULE_LICENSE("GPL");
 
 #define MSR_F15H_CU_PWR_ACCUMULATOR    0xc001007a
 #define MSR_F15H_CU_MAX_PWR_ACCUMULATOR        0xc001007b
+#define MSR_F15H_PTSC                  0xc0010280
 
 #define PCI_DEVICE_ID_AMD_15H_M70H_NB_F4 0x15b4
 
@@ -65,6 +66,8 @@ struct fam15h_power_data {
        u64 max_cu_acc_power;
        /* accumulated power of the compute units */
        u64 cu_acc_power[MAX_CUS];
+       /* performance timestamp counter */
+       u64 cpu_sw_pwr_ptsc[MAX_CUS];
 };
 
 static ssize_t show_power(struct device *dev,
@@ -145,6 +148,7 @@ static void do_read_registers_on_cu(void *_data)
        cu = cpu_data(cpu).cpu_core_id;
 
        rdmsrl_safe(MSR_F15H_CU_PWR_ACCUMULATOR, &data->cu_acc_power[cu]);
+       rdmsrl_safe(MSR_F15H_PTSC, &data->cpu_sw_pwr_ptsc[cu]);
 }
 
 /*