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-rw-r--r--tools/power/x86/turbostat/turbostat.c62
1 files changed, 33 insertions, 29 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index d27e899328f9..98a0a731da8a 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -4879,33 +4879,12 @@ double discover_bclk(unsigned int family, unsigned int model)
* below this value, including the Digital Thermal Sensor (DTS),
* Package Thermal Management Sensor (PTM), and thermal event thresholds.
*/
-int read_tcc_activation_temp()
+int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
{
unsigned long long msr;
- unsigned int tcc, target_c, offset_c;
-
- /* Temperature Target MSR is Nehalem and newer only */
- if (!do_nhm_platform_info)
- return 0;
-
- if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
- return 0;
-
- target_c = (msr >> 16) & 0xFF;
-
- offset_c = (msr >> 24) & 0xF;
-
- tcc = target_c - offset_c;
-
- if (!quiet)
- fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C) (%d default - %d offset)\n",
- base_cpu, msr, tcc, target_c, offset_c);
-
- return tcc;
-}
+ unsigned int target_c_local;
+ int cpu;
-int set_temperature_target(struct thread_data *t, struct core_data *c, struct pkg_data *p)
-{
/* tcc_activation_temp is used only for dts or ptm */
if (!(do_dts || do_ptm))
return 0;
@@ -4914,18 +4893,43 @@ int set_temperature_target(struct thread_data *t, struct core_data *c, struct pk
if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE) || !(t->flags & CPU_IS_FIRST_CORE_IN_PACKAGE))
return 0;
+ cpu = t->cpu_id;
+ if (cpu_migrate(cpu)) {
+ fprintf(outf, "Could not migrate to CPU %d\n", cpu);
+ return -1;
+ }
+
if (tcc_activation_temp_override != 0) {
tcc_activation_temp = tcc_activation_temp_override;
- fprintf(outf, "Using cmdline TCC Target (%d C)\n", tcc_activation_temp);
+ fprintf(outf, "cpu%d: Using cmdline TCC Target (%d C)\n",
+ cpu, tcc_activation_temp);
return 0;
}
- tcc_activation_temp = read_tcc_activation_temp();
- if (tcc_activation_temp)
- return 0;
+ /* Temperature Target MSR is Nehalem and newer only */
+ if (!do_nhm_platform_info)
+ goto guess;
+
+ if (get_msr(base_cpu, MSR_IA32_TEMPERATURE_TARGET, &msr))
+ goto guess;
+
+ target_c_local = (msr >> 16) & 0xFF;
+
+ if (!quiet)
+ fprintf(outf, "cpu%d: MSR_IA32_TEMPERATURE_TARGET: 0x%08llx (%d C)\n",
+ cpu, msr, target_c_local);
+
+ if (!target_c_local)
+ goto guess;
+
+ tcc_activation_temp = target_c_local;
+
+ return 0;
+guess:
tcc_activation_temp = TJMAX_DEFAULT;
- fprintf(outf, "Guessing tjMax %d C, Please use -T to specify\n", tcc_activation_temp);
+ fprintf(outf, "cpu%d: Guessing tjMax %d C, Please use -T to specify\n",
+ cpu, tcc_activation_temp);
return 0;
}