Turbodtat: tcc_activation_temp is a package concept, so store it in packages
authorVincent Brillault <git@lerya.net>
Sat, 23 Aug 2014 09:22:38 +0000 (11:22 +0200)
committerVincent Brillault <git@lerya.net>
Sat, 28 Feb 2015 06:35:41 +0000 (07:35 +0100)
src/turbostat.c

index 8c7af14..111eed2 100644 (file)
@@ -69,7 +69,6 @@ static unsigned int do_rapl;
 static unsigned int do_dts;
 static unsigned int do_ptm;
 static unsigned int tcc_activation_temp;
-static unsigned int tcc_activation_temp_override;
 static double rapl_energy_units;
 
 #define RAPL_PKG               (1 << 0)
@@ -141,8 +140,8 @@ struct pkg_data {
        unsigned int energy_gfx;        /* MSR_PP1_ENERGY_STATUS */
        unsigned int rapl_pkg_perf_status;      /* MSR_PKG_PERF_STATUS */
        unsigned int rapl_dram_perf_status;     /* MSR_DRAM_PERF_STATUS */
+       unsigned int tcc_activation_temp;
        unsigned int pkg_temp_c;
-
 } *package_even, *package_odd;
 
 #define ODD_COUNTERS thread_odd, core_odd, package_odd
@@ -482,7 +481,7 @@ do {                                                \
 
        if (do_dts) {
                READ_MSR(MSR_IA32_THERM_STATUS, &msr);
-               c->core_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
+               c->core_temp_c = p->tcc_activation_temp - ((msr >> 16) & 0x7F);
        }
 
        /* collect package counters only for 1st core in package */
@@ -532,7 +531,7 @@ do {                                                \
        }
        if (do_ptm) {
                READ_MSR(MSR_IA32_PACKAGE_THERM_STATUS, &msr);
-               p->pkg_temp_c = tcc_activation_temp - ((msr >> 16) & 0x7F);
+               p->pkg_temp_c = p->tcc_activation_temp - ((msr >> 16) & 0x7F);
        }
 
 out:
@@ -980,10 +979,8 @@ set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_da
        if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
                return 0;
 
-       if (tcc_activation_temp_override != 0) {
-               tcc_activation_temp = tcc_activation_temp_override;
-               ERROR("cpu%d: Using cmdline TCC Target (%d C)\n",
-                       cpu, tcc_activation_temp);
+       if (tcc_activation_temp != 0) {
+               p->tcc_activation_temp = tcc_activation_temp;
                return 0;
        }
 
@@ -995,14 +992,14 @@ set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_da
        if (target_c_local < 85 || target_c_local > 127)
                goto guess;
 
-       tcc_activation_temp = target_c_local;
+       p->tcc_activation_temp = target_c_local;
 
        return 0;
 
 guess:
-       tcc_activation_temp = TJMAX_DEFAULT;
-       WARNING("cpu%d: Guessing tjMax %d C, Please use -T to specify",
-               t->cpu_id, tcc_activation_temp);
+       p->tcc_activation_temp = TJMAX_DEFAULT;
+       WARNING("cpu%d: Guessing tjMax %d C, Please use TCCActivationTemp to specify",
+               t->cpu_id, p->tcc_activation_temp);
 
        return 0;
 }
@@ -1454,6 +1451,7 @@ turbostat_init(void)
        DO_OR_GOTO_ERR(check_dev_msr());
        DO_OR_GOTO_ERR(setup_all_buffers());
        DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, EVEN_COUNTERS));
+       DO_OR_GOTO_ERR(for_all_cpus(set_temperature_target, ODD_COUNTERS));
 
        plugin_register_complex_read(NULL, PLUGIN_NAME, turbostat_read, NULL, NULL);
 
@@ -1463,8 +1461,32 @@ err:
        return ret;
 }
 
+static const char *config_keys[] =
+{
+       "TCCActivationTemp",
+};
+static const int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+
+static int
+turbostat_config(const char *key, const char *value)
+{
+       long unsigned int tmp_val;
+       char *end;
+
+       if (strcasecmp("TCCActivationTemp", key) == 0) {
+               tmp_val = strtoul(value, &end, 0);
+               if (*end != '\0' || tmp_val > UINT_MAX)
+                       return -1;
+               tcc_activation_temp = (unsigned int) tmp_val;
+       } else {
+               return -1;
+       }
+       return 0;
+}
+
 void module_register(void);
 void module_register(void)
 {
        plugin_register_init(PLUGIN_NAME, turbostat_init);
+       plugin_register_config(PLUGIN_NAME, turbostat_config, config_keys, config_keys_num);
 }